CN207521625U - A kind of machine components processing forging press with pooling feature - Google Patents
A kind of machine components processing forging press with pooling feature Download PDFInfo
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- CN207521625U CN207521625U CN201721403585.7U CN201721403585U CN207521625U CN 207521625 U CN207521625 U CN 207521625U CN 201721403585 U CN201721403585 U CN 201721403585U CN 207521625 U CN207521625 U CN 207521625U
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- fixedly connected
- supporting rack
- forging press
- machine components
- components processing
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Abstract
The utility model provides a kind of machine components processing forging press with pooling feature, is related to machine components manufacture field.The machine components processing forging press with pooling feature, including headstock and bottom plate, the lower surface of the headstock is fixedly connected with the first supporting rack and the second supporting rack, first supporting rack is symmetrical arranged with the second supporting rack with the central axes of headstock, the lower surface of headstock is simultaneously fixedly connected with forging and stamping stake between the first supporting rack and the second supporting rack, and the one end of the first supporting rack and the second supporting rack far from headstock is fixedly connected with pedestal.The machine components processing forging press with pooling feature, coordinated by cushion, piston rod, piston, utricule, the first spring, drive link, baffle-box, second spring, link block and bottom plate, achieve the effect that forging press has damping vibration power, larger vibrations can be generated in use by solving existing machine components processing forging press, cause process part effect it is undesirable the problem of.
Description
Technical field
The utility model is related to machine components processing technique field, specially a kind of machine components with pooling feature add
Work forging press.
Background technology
The equipment that forging press is metal and mechanical cold working, it only changes the outer shape of metal, with the reality of motor
With novel, forging press starts first using motor centralized driving, rear that independent motor drive is widely used again.Earlier 1900s,
For the higher workpiece of machining accuracy, fixture and screwing tool, jig boring machine and screw grinder are formulated out in succession.It is simultaneously
Adapt to the needs of the industrial mass production such as automobile and bearing, but develop various automatic machine tools, contouring machine, building-block machine and
Automatic assembly line.
Hot extrusion forging press is widely used in tubing and section bar of the non-ferrous metals such as production aluminium, copper etc., belongs to metallurgical industry model
It encloses.The hot extrusion of steel is also difficult to produce with cold extrusion or warm-extrusion forming both to produce special tubing and section bar
Solid and the hole heart (through-hole or blind hole) carbon steel and alloy steel parts, such as rod piece, gun barrel, container with coarse head.
Cold extrusion forging press be served only for originally production lead, zinc, tin, aluminium, tubing, section bar and the Flexible tube for toothpaste of copper etc., dry cell shell,
The products such as shell case.Cold extrusion is easy to operate, and suitable for the smaller product of mass production, but the processing of existing machine components is used
Forging press can generate larger vibrations in use, cause the effect for processing part undesirable.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of machine components processing forging with pooling feature
Press, solve existing machine components processing forging press occur when forging and pressing work vibrations it is excessive, influence processing effect
Problem.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：It is a kind of with pooling feature
Machine components processing forging press, including headstock and bottom plate, the lower surface of the headstock is fixedly connected with the first supporting rack
With the second supporting rack, first supporting rack is symmetrical arranged with the second supporting rack with the central axes of headstock, the headstock
Lower surface is simultaneously fixedly connected with forging and stamping stake between the first supporting rack and the second supporting rack, first supporting rack and second
The one end of support far from headstock is fixedly connected with pedestal, is fixedly connected with and puts between first supporting rack and the second supporting rack
Plate is put, the lower surface of the placement plate is fixedly connected with the upper surface of pedestal, and the upper surface of the placement plate offers sliding slot, institute
The internal slide for stating sliding slot is connected with sliding block, and the upper surface of the sliding block is fixedly connected with the first fixture block, the placement plate it is upper
Surface is fixedly connected with the second fixture block, and rope is fixedly connected on the right side of first fixture block, is opened up on the right side of the placement plate
There is the trepanning being connected with inside sliding slot, the right side opening of second supporting rack is equipped with the movable span being connected with trepanning, described
The one end of rope far from sliding block sequentially passes through trepanning and movable span and extends to the right side of the second supporting rack, and the rope is located at the
One end on the right side of two supporting racks is fixedly connected with turntable, and motor is fixedly connected on the right side of the turntable.
The upper surface of the bottom plate is fixedly connected with utricule, and work is connected between the left and right sides inner wall of the utricule
Plug, the upper surface of the piston are fixedly connected with piston rod, and the top of the utricule and the position of correspondence piston rod offer slow
Punching, the one end of the piston rod far from piston run through cushion hole and extend to the outside of utricule, and the piston rod is located at utricule
External one end is fixedly connected with cushion, and the upper surface of the cushion is fixedly connected with the lower surface of pedestal, the utricule and work
The surface of stopper rod is socketed with the first spring, and the upper surface of the bottom plate is fixedly connected with baffle-box, the inner bottom wall of the baffle-box
Second spring is fixedly connected with, the one end of the second spring far from baffle-box is fixedly connected with link block, the link block
Upper surface is fixedly connected with drive link, and the position of the top of the baffle-box and corresponding drive link offers through-hole, the transmission
The one end of bar far from link block runs through through-hole and extends to the outside of baffle-box, and the drive link is located at one end outside baffle-box
It is fixedly connected with the lower surface of pedestal.
Preferably, arc block, the right lateral surface and rope of the arc block are fixedly connected on the right side of second supporting rack
Rope overlaps.
Preferably, supporting plate is fixedly connected on the right side of the pedestal, the upper surface of the supporting plate and the lower surface of motor are consolidated
Fixed connection.
Preferably, the upper surface of the bottom plate offers the mounting hole being connected with lower surface, the inside of the mounting hole
Inserted link is plugged with, the one end of the inserted link far from mounting hole extends to the top of bottom plate.
Preferably, the lower surface of the pedestal is fixedly connected with bumper ring, the bumper ring one end and bottom far from pedestal
The upper surface of plate is fixedly connected.
Preferably, the front left and right sides of the link block has been fixedly connected with shaft, and the surface of two shafts is socketed
There is runner, the surface of two runners is flexibly connected respectively with the inner left wall of baffle-box and right side inner wall.
Preferably, the inner roof wall of the baffle-box is fixedly connected with secondary spring, and the secondary spring is far from baffle-box
One end of roof is fixedly connected with the upper surface of link block.
Preferably, the bottom of first spring is fixedly connected with the upper surface of bottom plate, and first spring is far from bottom plate
One end be fixedly connected with the lower surface of cushion.
Preferably, the quantity of the drive link is two, and two rotating bars are symmetrical arranged with the central axes of baffle-box.
(3) advantageous effect
The utility model provides a kind of machine components processing forging press with pooling feature.Have following beneficial to effect
Fruit：
1st, cushion, piston rod, piston, utricule, first should be passed through with the machine components processing forging press of pooling feature
Spring, drive link, baffle-box, second spring, link block and bottom plate cooperation, achieve the effect that forging press has damping vibration power,
Larger vibrations can be generated in use by solving existing machine components processing forging press, lead to the effect of processing part not
The problem of preferable.
2nd, there should be the machine components processing forging press of pooling feature, and pass through sliding slot, sliding block, the first fixture block, the second folder
Block and rope cooperation, achieve the effect that machine components processing has clamping function when being worked with forging press for part,
Solve the problems, such as that existing machine components processing forging press does not have clamping function.
3rd, rope, arc block, turntable, motor and support should be passed through with the machine components processing forging press of pooling feature
Plate coordinates, reach machine components processing forging press when being clamped can more easily effect, solve existing machine
The problem of processing of tool part is not easy to clamp with forging press when processing part.
4th, should be matched with the machine components processing forging press of pooling feature by bottom plate, mounting hole, inserted link and bumper ring
It closes, reaches the stability for increasing headstock, the first spring is made to carry out the significantly more efficient effect of damping vibration power, solution with second spring
Existing machine components processing forging press of having determined can generate larger vibrations in use, and the effect for processing part is caused to be paid no attention to
The problem of thinking.
5th, should with pooling feature machine components processing forging press, by drive link, shaft, runner, baffle-box and
Secondary spring coordinates, and reaches machine components processing forging press in damping vibration power, link block can stablize what is moved up and down
Effect solves the problems, such as that existing machine components processing is shaken with forging press when carrying out damping vibration power.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is lateral partial structurtes sectional view at A in the utility model Fig. 1；
Fig. 3 is partial structurtes enlarged drawing at B in the utility model Fig. 1.
Wherein, 1 headstock, 2 forging and stamping stakes, 3 first supporting racks, 4 placement plates, 5 sliding slots, 6 sliding blocks, 7 first fixture blocks, 8 second
Fixture block, 9 second supporting racks, 10 trepannings, 11 ropes, 12 movable spans, 13 motors, 14 supporting plates, 15 turntables, 16 inserted links, 17 mounting holes,
18 pedestals, 19 bottom plates, 20 bumper rings, 21 cushions, 22 utricules, 23 pistons, 24 cushion holes, 25 first springs, 26 piston rods, 27 are delayed
Rush case, 28 second springs, 29 link blocks, 30 shafts, 31 runners, 32 through-holes, 33 secondary springs, 34 drive links, 35 arc blocks.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of machine components processing forging press with pooling feature, such as Fig. 1-3 institutes
Show, including headstock 1 and bottom plate 19, the upper surface of bottom plate 19 offers the mounting hole 17 being connected with lower surface, mounting hole 17
Inside be plugged with inserted link 16, the one end of inserted link 16 far from mounting hole 17 extends to the top of bottom plate 19, when forging press passes through bottom
After plate 19 is placed on ground, through mounting hole 17 and underground is inserted into using inserted link 16, bottom plate 19 can be fixed in this way, from
And entire forging press is fixed, the stability of forging press at work can be increased in this way, the lower surface of headstock 1 is fixed
The first supporting rack 3 and the second supporting rack 9 are connected with, the first supporting rack 3 is symmetrical with the central axes of headstock 1 with the second supporting rack 9
Setting, the lower surface of headstock 1 are simultaneously fixedly connected with forging and stamping stake 2 between the first supporting rack 3 and the second supporting rack 9, and first
3 and second one end of supporting rack 9 far from headstock 1 of supporting rack is fixedly connected with pedestal 18, and the lower surface of pedestal 18 is fixedly connected
There is bumper ring 20, the one end of bumper ring 20 far from pedestal 18 is fixedly connected with the upper surface of bottom plate 19, is being forged in forging press
When pressing work, hammering can move down pedestal 18, while pedestal 18 can squeeze bumper ring when moving down downwards for forging and stamping stake 2
20, so as to which bumper ring 20 plays certain cushioning effect using the flexibility of itself, the first supporting rack 3 and the second supporting rack 9 it
Between be fixedly connected with placement plate 4, the lower surface of placement plate 4 is fixedly connected with the upper surface of pedestal 18, and the upper surface of placement plate 4 is opened
Equipped with sliding slot 5, the internal slide of sliding slot 5 is connected with sliding block 6, and the upper surface of sliding block 6 is fixedly connected with the first fixture block 7, placement plate 4
Upper surface be fixedly connected with the second fixture block 8, the right side of the first fixture block 7 is fixedly connected with rope 11, and the right side of placement plate 4 opens up
There is the trepanning 10 being connected with inside sliding slot 5, the right side opening of the second supporting rack 9 is equipped with the movable span 12 being connected with trepanning 10,
The one end of rope 11 far from sliding block 6 sequentially passes through trepanning 10 with movable span 12 and extends to the right side of the second supporting rack 9, second
The right side of support 9 is fixedly connected with arc block 35, and right lateral surface and the rope 11 of arc block 35 overlap, when motor 13 passes through turntable
When pulling downward on, rope 11 can slide 15 drive ropes 11 on the surface of arc block 35, and the surface of arc block 35 is smooth, can be to prevent
Only rope 11 rubs excessive the problem of being broken, and one end that rope 11 is located at 9 right side of the second supporting rack is fixedly connected with
Turntable 15, the right side of turntable 15 are fixedly connected with motor 13, and the right side of pedestal 18 is fixedly connected with supporting plate 14, the upper table of supporting plate 14
Face is fixedly connected with the lower surface of motor 13, and motor 13 needs a firm environment at work, and supporting plate 14 is and pedestal 18
Be fixed to each other, motor 13 can be fixed at this time so as to supporting plate 14, prevent motor 13 occur falling at work or
Person shakes.
The upper surface of bottom plate 19 is fixedly connected with utricule 22, and piston is connected between the left and right sides inner wall of utricule 22
23, the upper surface of piston 23 is fixedly connected with piston rod 26, and the top of utricule 22 and the position of correspondence piston rod 26 offer slow
Punching 24, the one end of piston rod 26 far from piston 23 run through cushion hole 24 and extend to the outside of utricule 22, and piston rod 26 is located at
One end outside utricule 22 is fixedly connected with cushion 21, and the upper surface of cushion 21 is fixedly connected with the lower surface of pedestal 18, utricule
22 are socketed with the first spring 25 with the surface of piston rod 26, and the bottom of the first spring 25 is fixedly connected with the upper surface of bottom plate 19,
The one end of first spring 25 far from bottom plate 19 is fixedly connected with the lower surface of cushion 21, when forging press generates shaking force, vibrations
Power can be to drop Inner extrusion of the piston rod 26 to utricule 22, at this time as piston rod 26 is to the Inner extrusion of utricule 22, the first bullet
Spring 25 can be also pressed down against by cushion 21, so as to which the first spring 25 can assist piston rod 26 to carry out damping vibration power, bottom plate 19
Upper surface be fixedly connected with baffle-box 27, the inner bottom wall of baffle-box 27 is fixedly connected with second spring 28, and second spring 28 is remote
One end from baffle-box 27 is fixedly connected with link block 29, and the front left and right sides of link block 29 has been fixedly connected with shaft 30,
The surface of two shafts 30 is socketed with runner 31, the surfaces of two runners 31 respectively with the inner left wall of baffle-box 27 and right side
Inner wall is flexibly connected, and when the shaking force of forging press is squeezed drive link 34, drive link 34 can move up and down, drive link 34
Link block 29 can be driven to move up and down while moving up and down, when link block 29 moves up and down, link block 29 can be by turning
Wheel 31 can be lighter in the inner wall movement of baffle-box 27, so as to increase the effect of damping vibration power, the inner roof wall of baffle-box 27
Secondary spring 33 is fixedly connected with, secondary spring 33 one end and the upper surface of link block 29 far from 27 inner roof wall of baffle-box are fixed
Connection when shaking force squeezes second spring 28, squeezes secondary spring 33, profit during being moved up and down under link block 29 at this time
The effect of buffering forging press shaking force is further increased with the elastic force of secondary spring 33, the upper surface of link block 29 is fixedly connected with
Drive link 34, the quantity of drive link 34 is two, and two rotating bars 34 are symmetrical arranged with the central axes of baffle-box 27, drive link 34
Why there are two because two drive links 34 meet with forging press vibrations when, two drive links 34 can be carried out at the same time up and down
Mobile, two stability that compare are more preferable, can make more to stablize during buffering forging press shaking force in this way, baffle-box 27
Top and the position of corresponding drive link 34 offer through-hole 32, the one end of drive link 34 far from link block 29 through through-hole 32 simultaneously
The outside of baffle-box 27 is extended to, one end that drive link 34 is located at outside baffle-box 27 is fixedly connected with the lower surface of pedestal 18.
In conclusion there should be the machine components processing forging press of pooling feature, by cushion 21, piston rod 26, live
Plug 23, utricule 22, the first spring 25, drive link 34, baffle-box 27, second spring 28, link block 29 and bottom plate 19 coordinate, and reach
Forging press have damping vibration power effect, solve existing machine components processing forging press can generate in use it is larger
Vibrations, cause process part effect it is undesirable the problem of.
Coordinated by sliding slot 5, sliding block 6, the first fixture block 7, the second fixture block 8 and rope 11, reach machine components processing forging
Press has part when being worked the effect of clamping function, solves existing machine components processing forging press not
Has the problem of clamping function.
Coordinated by rope 11, arc block 35, turntable 15, motor 13 and supporting plate 14, reach machine components processing forging and stamping
Machine when being clamped can more easily effect, solve existing machine components processing forging press and add for part
The problem of working hour is not easy to clamp.
Coordinated by bottom plate 19, mounting hole 17, inserted link 16 and bumper ring 20, reach the stability for increasing headstock 1, make the
One spring 25 carries out the significantly more efficient effect of damping vibration power with second spring 28, solves existing machine components processing forging
Press can generate larger vibrations in use, cause process part effect it is undesirable the problem of.
Coordinated by drive link 34, shaft 30, runner 31, baffle-box 27 and secondary spring 33, reach machine components processing
With forging press in damping vibration power, link block 29 can stablize the effect moved up and down, solve existing machine components and add
The problem of work is shaken with forging press when carrying out damping vibration power.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of machine components processing forging press with pooling feature, including headstock (1) and bottom plate (19), feature exists
In：The lower surface of the headstock (1) is fixedly connected with the first supporting rack (3) and the second supporting rack (9), first supporting rack
(3) it is symmetrical arranged with the second supporting rack (9) with the central axes of headstock (1), the lower surface of the headstock (1) and positioned at first
Forging and stamping stake (2), first supporting rack (3) and the second supporting rack are fixedly connected between supporting rack (3) and the second supporting rack (9)
(9) one end far from headstock (1) is fixedly connected with pedestal (18), between first supporting rack (3) and the second supporting rack (9)
Placement plate (4) is fixedly connected with, the lower surface of the placement plate (4) is fixedly connected with the upper surface of pedestal (18), the placement
The upper surface of plate (4) offers sliding slot (5), and the internal slide of the sliding slot (5) is connected with sliding block (6), the sliding block (6) it is upper
Surface is fixedly connected with the first fixture block (7), and the upper surface of the placement plate (4) is fixedly connected with the second fixture block (8), and described first
Rope (11) is fixedly connected on the right side of fixture block (7), the right side opening of the placement plate (4) is equipped with being connected inside sliding slot (5)
Trepanning (10), the right side opening of second supporting rack (9) is equipped with the movable span (12) being connected with trepanning (10), the rope
(11) one end far from sliding block (6) sequentially passes through trepanning (10) with movable span (12) and extends to the right side of the second supporting rack (9),
The one end of the rope (11) on the right side of the second supporting rack (9) is fixedly connected with turntable (15), the right side of the turntable (15)
It is fixedly connected with motor (13)；
The upper surface of the bottom plate (19) is fixedly connected with utricule (22), activity between the left and right sides inner wall of the utricule (22)
Piston (23) is connected with, the upper surface of the piston (23) is fixedly connected with piston rod (26), and the top of the utricule (22) is simultaneously
The position of corresponding piston rod (26) offers cushion hole (24), and the one end of the piston rod (26) far from piston (23) is through buffering
Hole (24) and the outside for extending to utricule (22), the piston rod (26) are fixedly connected with soft positioned at the external one end of utricule (22)
It pads (21), the upper surface of the cushion (21) is fixedly connected with the lower surface of pedestal (18), the utricule (22) and piston rod
(26) surface is socketed with the first spring (25), and the upper surface of the bottom plate (19) is fixedly connected with baffle-box (27), described slow
The inner bottom wall for rushing case (27) is fixedly connected with second spring (28), and the one end of the second spring (28) far from baffle-box (27) is consolidated
Surely link block (29) is connected with, the upper surface of the link block (29) is fixedly connected with drive link (34), the baffle-box (27)
Top and the position of corresponding drive link (34) offer through-hole (32), the one end of the drive link (34) far from link block (29)
Through through-hole (32) and extend to the outsides of baffle-box (27), the drive link (34) positioned at the external one end of baffle-box (27) with
The lower surface of pedestal (18) is fixedly connected.
2. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
It states and arc block (35) is fixedly connected on the right side of the second supporting rack (9), right lateral surface and the rope (11) of the arc block (35)
Overlap joint.
3. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
It states and supporting plate (14) is fixedly connected on the right side of pedestal (18), the upper surface and the lower surface of motor (13) of the supporting plate (14) are fixed
Connection.
4. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
The upper surface for stating bottom plate (19) offers the mounting hole (17) being connected with lower surface, and the inside of the mounting hole (17) is plugged with
Inserted link (16), the one end of the inserted link (16) far from mounting hole (17) extend to the top of bottom plate (19).
5. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
The lower surface for stating pedestal (18) is fixedly connected with bumper ring (20), the bumper ring (20) one end and bottom plate far from pedestal (18)
(19) upper surface is fixedly connected.
6. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
The front left and right sides for stating link block (29) has been fixedly connected with shaft (30), and the surface of two shafts (30) is socketed with runner
(31), the surface of two runners (31) is flexibly connected respectively with the inner left wall of baffle-box (27) and right side inner wall.
7. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
The inner roof wall for stating baffle-box (27) is fixedly connected with secondary spring (33), and the secondary spring (33) is far from top in baffle-box (27)
One end of wall is fixedly connected with the upper surface of link block (29).
8. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
The bottom for stating the first spring (25) is fixedly connected with the upper surface of bottom plate (19), the separate bottom plate (19) of first spring (25)
One end is fixedly connected with the lower surface of cushion (21).
9. a kind of machine components processing forging press with pooling feature according to claim 1, it is characterised in that：Institute
The quantity for stating drive link (34) is two, and two rotating bars (34) are symmetrical arranged with the central axes of baffle-box (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403585.7U CN207521625U (en) | 2017-10-27 | 2017-10-27 | A kind of machine components processing forging press with pooling feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403585.7U CN207521625U (en) | 2017-10-27 | 2017-10-27 | A kind of machine components processing forging press with pooling feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207521625U true CN207521625U (en) | 2018-06-22 |
Family
ID=62571251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721403585.7U Expired - Fee Related CN207521625U (en) | 2017-10-27 | 2017-10-27 | A kind of machine components processing forging press with pooling feature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207521625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941418A (en) * | 2018-06-28 | 2018-12-07 | 安徽帮创智能科技有限公司 | A kind of damping base of forging press |
| CN113798424A (en) * | 2021-09-30 | 2021-12-17 | 常州冈一机电科技有限公司 | Cold extrusion forming equipment and process for micro gear of speed reducer |
-
2017
- 2017-10-27 CN CN201721403585.7U patent/CN207521625U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941418A (en) * | 2018-06-28 | 2018-12-07 | 安徽帮创智能科技有限公司 | A kind of damping base of forging press |
| CN113798424A (en) * | 2021-09-30 | 2021-12-17 | 常州冈一机电科技有限公司 | Cold extrusion forming equipment and process for micro gear of speed reducer |
| CN113798424B (en) * | 2021-09-30 | 2024-01-09 | 常州冈一机电科技有限公司 | Cold extrusion forming equipment and process for pinion of speed reducer |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20181027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |