CN100410067C

CN100410067C - Inner punch pin regulating mechanism for powder forming machine

Info

Publication number: CN100410067C
Application number: CNB2006100525062A
Authority: CN
Inventors: 严培义; 严俏敏
Original assignee: Individual
Current assignee: Yan Qiaomin
Priority date: 2006-07-14
Filing date: 2006-07-14
Publication date: 2008-08-13
Anticipated expiration: 2026-07-14
Also published as: CN1887588A

Abstract

The inner punch pin regulating mechanism for powder forming machine includes one guide seat carrying guide pipe and with outer surface connected to regulating nut, inner surface slide fitting the out punching seat and upper surface fixed to the inner punching cylinder with guide pipe; and one regulating device with locking mechanism and on one fixer. The inner punching seat, the inner punching cylinder, the guide seat and the outer seat are slide fitted. There are also sealing seat and rotation shaft with intermediate gear on the guide seat, as well as regulating gear on the inner punching seat. The stroke may be regulated simply through turning the worm in the regulating device.

Description

Inner punch pin regulating mechanism for powder forming machine

Technical field

The present invention relates to the important composition parts in a kind of powder forming machine, the multilayer lower bolster in the particularly a kind of and mould bases is used, and can disposablely process the used inner punch pin regulating mechanism for powder forming machine of goods that shape is complicated, the quality precision is high.

Background technology

Patent No. CN01239491.2 " powder former mould bases two upper punch mechanism " provides a kind of and on cylinder body inside and outside two red seats has been installed simultaneously interior, be used for disposable having processed more than two steps than complex parts, also connecting rotating adjustment nut towards the cylinder body lower end interior, but this adjusts the height that nut only can be regulated outer red seat stroke, can't regulate the path increment of inner rush seat, inner rush seat can only be operated on the travel position of design.

Powder forming machine is dissimilar in processing, during the pulverulent product of different-thickness, except that need transposing mould, because of stroke in different size, also need on the upper surface of inner rush seat, to stick on different size, the cushion block of thickness is regulated, this needs experienced staff to operate, otherwise because of the thickness size of cushion block incorrect, can not once regulate and reach the stroke requirement, also need with in, outer red seat is taken apart, again change cushion block again and regulate once more, workload is big, labour intensity is big, mounting or dismounting troubles, regulating badly will directly influence Products Quality and production efficiency, also need make the high auxiliary of a collection of precision simultaneously, as various pads, the cushion block auxiliary member is for regulating, select to use.

Summary of the invention

Technical problem to be solved by this invention is: a kind of inner punch pin regulating mechanism for powder forming machine is provided, need not dismantle interior towards cylinder body, directly at the interior stroke that outside cylinder body, just can regulate inner rush seat, the general operation worker can operate, simple to operate, easy to use, both alleviated labour intensity and workload, reduced production costs again.

The present invention addresses the above problem the technical scheme that is adopted: inner punch pin regulating mechanism for powder forming machine, comprise: qi of chong channel ascending adversely guide bracket, adjusting nut, outer red seat, the inner rush seat, interior of band wireway towards cylinder body, the outer surface of qi of chong channel ascending adversely guide bracket is connected with adjusting nut, inner surface is joined with outer red seat cunning, upper surface is fixed into one with band the interior of wireway towards cylinder body, inner rush seat and interiorly join towards the cylinder body cunning is joined with qi of chong channel ascending adversely guide bracket, outer red seat cunning again, and passes adjusting nut and constitute fixture; Also comprise the adjusting device that is fixed on the fixture, also be fixed with seal receptacle and the rotating shaft that has idler gear on the described qi of chong channel ascending adversely guide bracket, be connected with adjusting gear on the inner rush seat, described adjusting device is made up of support, worm screw, idler gear, adjusting gear, be connected with worm screw on the support, worm screw is by idler gear and adjusting gear engagement, and support is fixed on the qi of chong channel ascending adversely guide bracket.

Compared with prior art, the invention has the advantages that: only need pull worm screw during use and rotate, make with the adjustment gear of its engagement by idler gear and to rotate, thereby on the drive inner rush seat, move down, reach the purpose of adjustment stroke size, simple to operate, easy to use, reduce labor intensity greatly, or else need dismantle, assemble whole pair of upper punch mechanism, do not need to make auxiliary member more simultaneously, reduced cost, reduced workload, the big I of stroke is slowly regulated as required, therefore identical and when the part of different-thickness requirement is arranged in the production shape, can be not mold exchange more, as long as regulate inner punch pin regulating mechanism, change the stroke of inner rush seat, just can produce the identical parts of different-thickness, accomplish that mould is general, reduce the expense of making mould, simultaneously also reduce the more trouble and the time of mold exchange, improved production efficiency.Locking device also is installed on the adjusting device, worm screw is pinned after making stroke adjustment good and can not move working stability, safe in utilization again.

Description of drawings

Fig. 1, structural representation of the present invention.

The A-A view of Fig. 2, Fig. 1.

The B-B view (inner rush seat moves down) of Fig. 3, Fig. 1.

Fig. 4, locking device structure schematic diagram.

The specific embodiment

Below in conjunction with accompanying drawing embodiments of the invention are further described.

Inner punch pin regulating mechanism is made up of fixture and adjusting device two parts, and locking device also is installed on the adjusting device.

The stairstepping cavity is arranged in the middle of the seal receptacle 6, and sidewall below has opening to cooperate towards cylinder body 1 lower opening with interior.

Wireway 16, screw are arranged on the sidewall of qi of chong channel ascending adversely guide bracket 13, and upper surface has cascaded surface, and is middle fluted.

Qi of chong channel ascending adversely guide bracket 13 outer surface lower ends link into an integrated entity with adjusting nut 14, and outer red seat 15 sliding fitting in the qi of chong channel ascending adversely guide bracket 13 are fixed on the end face of adjusting nut 14, and rotating shaft 8 is connected in the screw of qi of chong channel ascending adversely guide bracket 13 upper surfaces, and rotating shaft 8 upper ends are connected with idler gear 9.

In have on the sidewall of cylinder body 1 on, downtake 16, there is opening the below of wall relatively, interior top of chamber screw 18, spring 19 suspentions have the block 3 of adjustment, be glued with the adjustment piece 2 of band Adjusting bolt Adjusting screw 4 on the inclined-plane of adjustment block 3, inner rush seat 5 is joined with interior the cunning towards cylinder body 1, inner rush seat 5 upper ends compress alignment pin 20 with adjustment block 3 usefulness and fuse, after the lower end is passed and is installed in interior through hole in the middle of cylinder body 1 below seal receptacle 6, on inner rush seat 5 with the adjusting gear 7 that is threaded, make adjusting gear 7 and idler gear 9 engagements, inner rush seat 5 lower ends are passed qi of chong channel ascending adversely guide bracket 13 more respectively, outer red seat 15, through hole in the middle of the adjustment nut 14, last interior towards cylinder body 1, seal receptacle 6 is screwed respectively on the cascaded surface of qi of chong channel ascending adversely guide bracket 13 and constitutes fixture, as Fig. 1, Fig. 2, shown in Figure 4.

The worm screw 11 of bearing is installed, passes through hole and interior idler gear 9 engagements towards cylinder body 1 opening part that add on the lubricating cup support 12 are installed, support 12 is screwed on a side of qi of chong channel ascending adversely guide bracket 13 and constitutes adjusting device, as shown in Figure 1 and Figure 2.

The rotation of worm screw 11 when preventing work also connects clamping plate 10 with screw on the outer face of support 12, there is an opening 21 on worm hole limit, clamping plate 10 upper end, and through hole and screw are arranged respectively on the both ends of the surface of opening 21.Pass through hole, the screw at clamping plate 10 upper sheds 21 places with screw 17, opening 21 is drawn in, then worm hole also draws in, holds worm screw 11 and constitutes locking devices, as shown in Figure 3.

Locking device is embraced worm screw 11 can not rotate it, guarantees that the stroke of adjusted good inner rush seat 5 can not change, thereby guarantees constant product quality and safe in utilization.

The upper end of this device is connected by the axle slide block mechanism with powder forming machine, and the inner rush seat 5 of this device lower end cooperates with the outer upper punch of mould, and outer red seat 14 cooperates with the interior upper punch of mould.

During use, need earlier loosening screw 17, locking device is opened, just can pull worm screw 11 it is rotated, the adjusting gear 7 that drives idler gear 9 and engagement rotates, and drives inner rush seat 5 and moves up and down, and regulates inner rush seat 5 to desired position and stroke.After stroke adjustment is good, open interior downtake 16 on cylinder body 1, compressed air promotes inner rush seat 5 and moves up, and up to top dead centre, as shown in Figure 1, if open wireway, compressed air promotes inner rush seat 5 and moves down, up to lower dead center, as shown in Figure 4.

Also can regulate the position of adjusting piece 2, it is cooperated with the inclined-plane of adjusting block 3, regulate the stroke of inner rush seat 5, but its adjustable range be less by Adjusting bolt Adjusting screw 4.

Claims

1. inner punch pin regulating mechanism for powder forming machine, comprise: qi of chong channel ascending adversely guide bracket (13), adjusting nut (14), outer red seat (15), the inner rush seat (5), interior of band wireway (16) towards cylinder body (1), the outer surface of qi of chong channel ascending adversely guide bracket (13) is connected with adjusting nut (14), inner surface is joined with outer red seat (15) is sliding, upper surface is fixed into one with the interior of band wireway (16) towards cylinder body (1), inner rush seat (5) is joined towards cylinder body (1) is sliding with interior, slide with qi of chong channel ascending adversely guide bracket (13), outer red seat (15) again and join, and pass adjusting nut (14) formation fixture; It is characterized in that also comprising the adjusting device that is fixed on the fixture, also be fixed with seal receptacle (6) on the described qi of chong channel ascending adversely guide bracket (13) and have the rotating shaft (8) of idler gear (9), be connected with adjusting gear (7) on the inner rush seat (5), described adjusting device is made up of support (12), worm screw (11), idler gear (9), adjusting gear (7), be connected with worm screw (11) on the support (12), worm screw (11) is by idler gear (9) and adjusting gear (7) engagement, and support (12) is fixed on the qi of chong channel ascending adversely guide bracket (13).

2. inner punch pin regulating mechanism for powder forming machine according to claim 1, it is characterized in that connecting clamping plate (10) with screw on the outer face of described support (12), worm hole limit, clamping plate (10) upper end also has opening (21), screw (17) passes through hole, the screw that clamping plate (10) upper shed (21) is located, and opening (21) is drawn in constitute locking device.

3. inner punch pin regulating mechanism for powder forming machine according to claim 1, it is characterized in that inner rush seat (5) is upward with the adjusting gear that is threaded (7), step-like cavity is arranged in the middle of the seal receptacle (6), one sidewall lower opening cooperates with interior opening towards cylinder body (1) below, and seal receptacle (6) is screwed on the cascaded surface of qi of chong channel ascending adversely guide bracket (13).

4. inner punch pin regulating mechanism for powder forming machine according to claim 1, it is characterized in that adjusting device is made up of following structure: the worm screw (11) that bearing is installed, pass through hole and interior idler gear (9) engagement towards cylinder body (1) opening part that adds on the lubricating cup support (12) is installed, support (12) is screwed on a side of qi of chong channel ascending adversely guide bracket (13).