CN201042853Y - Mechanism for regulating float top center of core rod of powder forming machine mould base - Google Patents

Mechanism for regulating float top center of core rod of powder forming machine mould base Download PDF

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Publication number
CN201042853Y
CN201042853Y CNU2007201082269U CN200720108226U CN201042853Y CN 201042853 Y CN201042853 Y CN 201042853Y CN U2007201082269 U CNU2007201082269 U CN U2007201082269U CN 200720108226 U CN200720108226 U CN 200720108226U CN 201042853 Y CN201042853 Y CN 201042853Y
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China
Prior art keywords
worm
cylinder
upper limit
forming machine
powder forming
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Expired - Fee Related
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CNU2007201082269U
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Chinese (zh)
Inventor
严培义
严俏敏
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Individual
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Individual
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Priority to CNU2007201082269U priority Critical patent/CN201042853Y/en
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Publication of CN201042853Y publication Critical patent/CN201042853Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a powder forming machine mould frame mandrel floating top dead center adjustment mechanism. The device comprises an upper limit sleeve connected with a piston bar and arranged in a cylinder, a worm box connected with a worm and a worm wheel and fixed on the cylinder, a locator key on the cylinder and a limit groove on the upper limit sleeve; wherein, the upper limit sleeve is connected with the worm wheel. The mechanism has a simple structure, and only needs to add the worm box with the worm wheel and the worm on the original cylinder and increase the upper limit sleeve connected with the worm thread on the original piston bar. At the same time, the operation of the utility model is simple and convenient, and the worm wheel can adjust the position according to the designed stroke only by rotating the worm forwards or backwards. Moreover, the piston bar is adjusted up and down by taking the lower end face of the upper limit sleeve as a top dead center. Compared with the conventional adjustment approach that requires adding a cushion block as the piston bar goes down to the ground base pit, the utility model saves time and labor, greatly reduces the labor intensity of the worker, saves material, decreases manufacture cost and is easy to manage. Meanwhile, the utility model has advantages of high adjustment accuracy and few errors, which guarantees the machining precision of the pressed product.

Description

The powder forming machine mould bases plug top dead centre guiding mechanism that floats
Technical field
The utility model relates to the vitals in a kind of powder forming machine, is used for the unsteady top dead centre guiding mechanism of powder forming machine mould bases plug that the height of mould bases plug position is regulated.
Background technology
Because of the disposable part that suppresses high accuracy, many steps of powder forming function, and have applied widely, production efficiency and high characteristics of stock utilization, be subjected to the favor of enterprise deeply, now be widely used in the compacting of pulverulent products such as various metals, pottery, bakelite, and the shape of stampings also becomes increasingly complex, the part that many step shapes are arranged, centre have part, the centre of through hole to have the part of interior many step through-holes all can suppress.
Number of patent application CN200510062212.3 " bed die floating regulating mechanism of powder forming machine " just provides a kind of distance that former floats that is used to regulate downwards, with the size of assurance complex parts stampings size and the uniformity of stampings density, but this floating regulating mechanism only can be used for can't being used for the unsteady adjusting of interior many step through-holes part is arranged the shape that part the is topped bar adjusting of floating.
On the used powder forming machine of existing enterprise, also there is not special-purpose mould bases plug floating regulating mechanism, if many step through-holes part in will having produced, have to adopt on piston rod and will be screwed whole adjusting nut by the two halves climbing, adjusting nut is moved up and down on piston rod, carry out the lower dead center adjusting that plug floats, the cushion block of the various different sizes of cushioning under limiting plate, carry out the top dead centre that plug floats and regulate, with the stampings of many step through-holes in the band that guarantees to process different size.
Because of the part that enterprise produces various in style, so also need prepare a lot of cushion blocks, not only processing trouble expends a lot of materials again, bring inconvenience to business administration, the part of producing with this method also is difficult to reach the product size precision simultaneously, and transposing troublesome poeration, a kind of product of every production just needs cushion block of transposing, at this moment need adjustment nut and limiting plate are disassembled from cylinder block, cushion block that then could the cushioning required size, to adjust nut again after the cushion block pad is good, limiting plate is put back to original position, pass limiting plate with screw, adjust nut, through hole on the cushion block is fixed on cushion block on the cylinder block, better works again, base portion because of powder forming machine all is mounted in the foundation pit again, each operator must descend in the foundation pit and could change, because of the little very difficult operation in foundation pit position, and parts dismounting trouble, waste time and energy, labour intensity is big, as shown in Figure 2,18 for adjusting nut, 19 is limiting plate, 20 is cushion block.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of powder forming machine mould bases plug top dead centre guiding mechanism that floats is provided, even to guarantee complex parts stampings density, operation, adjusting are simply, conveniently, both alleviated labour intensity, improved operating efficiency again, and reduced production cost, saved material.
The technical scheme in the invention for solving the above technical problem is: the powder forming machine mould bases plug top dead centre guiding mechanism that floats, comprise the integral body that cylinder and air cylinder base are fixed into, also comprise by being connected with the upper limit cover on the piston rod and being installed in the cylinder, the worm screw case that is connected with worm screw, worm gear is fixed on the cylinder, and upper limit cover is connected with worm gear, the positioning key on the described cylinder cooperate with the stopper slot that upper limit puts form.
Compared with prior art, advantage of the present utility model is: this mechanism structure is simple, only need on original cylinder, to increase the worm gear case that has worm gear, worm screw, on piston rod, increase the upper limit cover that is threaded with worm gear, and the positioning key on the cylinder blocks the upper limit cover can not rotate it, can only upper and lowerly move the easy processing and fabricating of this part.Simultaneously simple, convenient, only just needing or the backward rotation worm screw, worm gear just can be by the design runlength position adjustments, above stop collar lower surface is that last abut is regulated piston rod, than original down could the cushioning cushion block in the foundation pit control method to save time, laborsaving, alleviated working strength of workers greatly, saved material again, reduced production cost and be convenient to management again, this governor motion degree of regulation height, error are little in addition, have improved, guaranteed the machining accuracy of stampings again greatly.
Description of drawings
Fig. 1, structural representation of the present utility model.
Fig. 2, prior art structural representation (removing the adjustment state of mould plug).
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
The middle worm gear 10 that has screw is installed, with worm screw 9 engagements of installing on worm gear case 8 inwalls at worm gear case 8 open end places.
Through hole and air inlet 6 are arranged in the middle of the sleeve 7, outer surface has the external screw thread stopper slot vertical with one or more 17, sleeve 7 is connected on the piston rod 4 movingly, be installed in the cylinder 11, cylinder 11 inwall upper port places also are screwed one or more positioning keys 12 and are embedded in the stopper slot 17 on the sleeve, and sleeve 7 can only upper and lower moving can not be rotated in cylinder 11.
The worm screw case that has assembled is linked into an integrated entity with screw thread and sleeve in the middle of the worm gear 9, with screw worm gear case 8 and cylinder 11 are fixed into integral body, to bring the plate 5 of gas port 6 and the upper limit cover that sleeve 7 is fixed into integral body into screw again, cylinder 11 connects into overall package with air cylinder base 13 usefulness screws and becomes the top dead centre guiding mechanism.
During use, air cylinder base 13 is connected with lower main axis contiguous block 14 by drag hook 15, and upper end piston rod 4 is connected with mould plug 1 by extension bar 3, pressing plate 2.
Air inlet 16 air inlets promotion piston rod 4 from air cylinder base 13 moves up, promoting extension bar 3, pressing plate 2, mould plug 1 successively moves up, mould plug 1 is entered in the former on the mould bases, around the mould plug, add powder, be pressed in press forming in the former downwards through upper punch, air inlet 6 air inlets from the sleeve 7 make piston rod 4 to moving down then, drive that mould plug 1 moves down and the product that suppresses is released former.
If will change converted products, at this moment need only requirement according to different compacted products, the height of regulating piston throw of lever position, the lower surface of above stop collar is that top dead centre carries out spacing adjusting, just can suppress the product of different size.
For example, just need to increase the amount of powder in the former if will process thicker part, at this moment only needing (manual or electronic) rotary worm 9 to drive worm gear 10 rotates, worm gear 10 just drives the upper limit cover that links together with it and is moved down on the travel position of design along cylinder 11, by above-mentioned procedure of processing processing, just can process required compacted products again.
Just need to reduce the amount of powder in the former if will process thin part product, at this moment only need rightabout rotary worm 9, worm gear 10, the upper limit cover is moved upwards up to along cylinder 11 on the travel position of design, just can processes required compacted products by above-mentioned procedure of processing again.
Simple, convenient, need in foundation pit, on operating desk, just can not operate under the transposing person.

Claims (5)

1. the powder forming machine mould bases plug top dead centre guiding mechanism that floats, comprise the integral body that cylinder (11) and air cylinder base (13) are fixed into, it is characterized in that also comprising by being connected with the upper limit cover on the piston rod (4) and being installed in the cylinder (11), the worm screw case (8) that is connected with worm screw (9), worm gear (10) is fixed on the cylinder (11), and upper limit cover is connected with worm gear (10), the positioning key (12) on the described cylinder (11) cooperate with the stopper slot (17) that upper limit puts form.
2. the powder forming machine mould bases plug according to claim 1 top dead centre guiding mechanism that floats, it is characterized in that described worm gear case (8) open end place is equipped with the middle worm gear (10) that has screw, with worm screw (9) engagement of installing on worm gear case (8) inwall.
3. the powder forming machine mould bases plug according to claim 1 top dead centre guiding mechanism that floats is characterized in that the integral body that described upper limit cover is screwed by the plate of bringing gas port (6) into (5) and sleeve (7).
4. the powder forming machine mould bases plug according to claim 3 top dead centre guiding mechanism that floats, it is characterized in that in the middle of the described sleeve (7) through hole and air inlet (6) being arranged, outer surface has the external screw thread stopper slot vertical with one or more (17), and sleeve (7) is connected on the piston rod (4) movingly.
5. the powder forming machine mould bases plug according to claim 1 top dead centre guiding mechanism that floats is characterized in that described cylinder (11) inwall upper port place also is screwed one or more positioning key (12).
CNU2007201082269U 2007-04-13 2007-04-13 Mechanism for regulating float top center of core rod of powder forming machine mould base Expired - Fee Related CN201042853Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201082269U CN201042853Y (en) 2007-04-13 2007-04-13 Mechanism for regulating float top center of core rod of powder forming machine mould base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201082269U CN201042853Y (en) 2007-04-13 2007-04-13 Mechanism for regulating float top center of core rod of powder forming machine mould base

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CN201042853Y true CN201042853Y (en) 2008-04-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102582110A (en) * 2012-01-18 2012-07-18 金坛市威克压片机械制造有限公司 Worm-and-gear type loading depth fine adjusting device for tablet press
CN104889389A (en) * 2015-06-09 2015-09-09 宁波汇众粉末机械制造有限公司 Adjustable mould holder and powder forming and shaping machine with mould holder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102582110A (en) * 2012-01-18 2012-07-18 金坛市威克压片机械制造有限公司 Worm-and-gear type loading depth fine adjusting device for tablet press
CN104889389A (en) * 2015-06-09 2015-09-09 宁波汇众粉末机械制造有限公司 Adjustable mould holder and powder forming and shaping machine with mould holder

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080402

Termination date: 20100413