CN214236087U - Oil seal spring ring pre-rounding bending mechanism - Google Patents
Oil seal spring ring pre-rounding bending mechanism Download PDFInfo
- Publication number
- CN214236087U CN214236087U CN202022975998.0U CN202022975998U CN214236087U CN 214236087 U CN214236087 U CN 214236087U CN 202022975998 U CN202022975998 U CN 202022975998U CN 214236087 U CN214236087 U CN 214236087U
- Authority
- CN
- China
- Prior art keywords
- spring
- pressure head
- circle
- ejection
- bending mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 title claims abstract description 28
- 238000007493 shaping process Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 210000001503 joint Anatomy 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 3
- 230000001131 transforming effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Forging (AREA)
Abstract
The utility model discloses an oil seal spring ring pre-joint circle bending mechanism, which comprises a spring receiving rack for horizontally receiving a straight spring, wherein the bottom of the spring receiving rack is provided with a vertically through spring pressing channel, a pre-joint circle U-shaped forming device for transforming the straight spring into a U-shaped spring is correspondingly arranged below the spring pressing channel, and a pre-joint circle lifting pressure head device capable of downwards bending and pressing the straight spring into the pre-joint circle U-shaped forming device from the spring pressing channel is correspondingly arranged above the spring pressing channel; adopt connect circle bending mechanism in advance at first with straight spring bending forming become behind the U type spring, then with the head end and the tail end butt joint of spring, process earlier and carry out the butt joint again behind the U type spring into, the wholeness of spring is better, and machining efficiency is better, and the yield is higher, can reduce the centre gripping and the butt joint degree of difficulty of head end and tail end simultaneously, and the practicality is better.
Description
Technical Field
The utility model relates to an oil blanket spring circle meets circle bending mechanism in advance.
Background
The oil seal spring is an annular tightening spring used in the seal member, and is an important component constituting the seal member. When the sealing element is used for a certain time, the rubber coating part in the sealing element can generate fatigue loss to influence the sealing effect, and the tightening force of the oil seal spring can compensate the fatigue loss of the rubber ring, so that the sealing element can continuously maintain the sealing effect, and the service life of the sealing element is prolonged. The oil seal spring is widely applied to products in the industries of machinery, automobiles, electric appliances, hydraulic equipment, ships and the like.
The oil seal spring commonly used by people is an annular oil seal spring, the annular oil seal spring firstly processes a steel wire into a straight spring through an automatic spring coiling machine (see figure 6), the straight spring comprises a cylindrical spring body formed by winding a metal wire, the spring body comprises a head end part and a tail end part which are coaxially arranged, the outer diameter of the tail end part is smaller than the inner diameter of the head end part, the tail end part is of a circular truncated cone structure, after the straight spring is processed, the tail end part is clamped in the head end part through an automatic rounding machine to form the annular oil seal spring (see figure 8), if the straight spring is directly bent to form the annular oil seal spring, the head end part and the tail end part need to be clamped to rotate inwards by 180 degrees, in the process, the operation process is complex, the processing difficulty is high, and the end part of the straight spring is easily damaged, therefore, a pre-joint circular bending mechanism is urgently needed, and after the head end bends the straight spring to be processed into a U-shaped spring (see figure 7), the ends are then butted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure, reasonable in design, simple operation, can be effectively with the crooked oil blanket spring coil meets circle bending mechanism in advance that forms U type spring of straight spring.
In order to solve the technical problem, the technical scheme of the utility model is that: oil blanket spring ring meets circle bending mechanism in advance, including the spring that is used for the level to accept straight spring and connects the work or material rest, the bottom that the spring connects the work or material rest is provided with vertical through-going spring and pushes down the channel, the below correspondence that the channel was pushed down to the spring is provided with and is used for becoming the circle U type forming device that connects in advance of U type spring with straight spring transformation, the top correspondence that the channel was pushed down to the spring be provided with can with straight spring by the spring pushes down the channel downwarping impress extremely connect in advance circle U type forming device in advance circle lift pressure head device.
According to the technical scheme, the pre-joint circle lifting pressure head device comprises a pressure head fixing frame, a vertically arranged pressure head guide device is arranged on the pressure head fixing frame, a pre-joint circle lower pressure head capable of pressing a straight spring into the pre-joint circle U-shaped forming device through downward bending of a spring lower pressure channel is arranged at the bottom end of the pressure head guide device, and a pressure head power device for driving the pre-joint circle lower pressure head to ascend and descend along the pressure head guide device is further arranged on the pressure head guide device.
As the preferred technical scheme, pressure head guider includes fixed mounting and is in pressure head guide holder on the pressure head mount, slidable mounting has the pressure head sliding guide of vertical setting on the pressure head guide holder, pressure head sliding guide's top and bottom respectively fixed mounting have the guide rail mount pad, connect in advance under the circle pressure head fixed mounting be located the bottom on the guide rail mount pad.
As preferred technical scheme, pressure head power device is including fixing the spacing seat of guide rail on pressure head sliding guide upper portion is located the top guide rail mount pad with slidable mounting has the drive slide on the pressure head sliding guide between the spacing seat of guide rail, articulated drive pendulum rod on the drive slide, the drive pendulum rod with it has the drive rocking arm to articulate between the pressure head mount, it has the drive connecting rod still to articulate on the drive rocking arm, the articulated cylinder pole of connecting on telescopic cylinder in bottom of drive connecting rod.
Preferably, the pre-rounding lower pressing head is a pre-rounding lower pressing column which bends and presses the straight spring downwards from the spring lower pressing channel into the pre-rounding U-shaped forming device.
As the preferred technical scheme, connect round U type forming device in advance including shaping carousel and drive the vertical pivoted carousel drive arrangement of shaping carousel, the periphery of shaping carousel is provided with a plurality of circulation in proper order switch over be used for respectively with connect round lift pressure head device in advance the forming die that corresponds in proper order, still correspond on the shaping carousel and be provided with and be used for ejecting the U type spring after the shaping the outer ejecting device of forming die.
As a preferred technical scheme, the forming mold comprises two opposite mold guide seats, and the inner sides of the two mold guide seats are respectively provided with forming guide grooves which are mutually matched and used for enabling the straight spring to be deformed into the U-shaped spring.
As the preferred technical scheme, ejecting device is including the ejecting fixing base of fixed setting, install the ejecting sliding guide that the level set up on the ejecting fixing base, slidable mounting has ejecting slide rail seat on the ejecting sliding guide, ejecting fixing base with be connected with ejecting actuating cylinder between the ejecting slide rail seat, be provided with on the ejecting slide rail seat and be used for following U type spring the ejecting head that outwards promotes in the forming die.
Preferably, the turntable driving device is a driving motor.
According to the technical scheme, the oil seal spring ring pre-rounding bending mechanism comprises a spring receiving rack for horizontally receiving a straight spring, wherein a vertically through spring pressing channel is formed in the bottom of the spring receiving rack, a pre-rounding U-shaped forming device for transforming the straight spring into a U-shaped spring is correspondingly arranged below the spring pressing channel, and a pre-rounding lifting pressure head device capable of downwards bending and pressing the straight spring into the pre-rounding U-shaped forming device from the spring pressing channel is correspondingly arranged above the spring pressing channel; the utility model has the advantages that: during the operation of the pre-joint circle, the straight spring sequentially falls into the spring joint material frame through the feeding mechanism, then the pre-joint circle lifting pressure head device moves downwards to be located the straight spring in the spring joint material frame is pressed downwards, so that the straight spring is bent and then passes downwards through the spring pressing channel, and finally enters into the pre-joint circle U-shaped forming device, the straight spring completely enters into the pre-joint circle U-shaped forming device, finally bends and forms a U-shaped spring, and then enters into the next procedure, and the head end and the tail end of the spring are clamped and connected to form an annular oil seal spring. Adopt connect circle bending mechanism in advance at first with straight spring bending forming become behind the U type spring, then with the head end and the tail end butt joint of spring, process earlier and carry out the butt joint again behind the U type spring into, the wholeness of spring is better, and machining efficiency is better, and the yield is higher, can reduce the centre gripping and the butt joint degree of difficulty of head end and tail end simultaneously, and the practicality is better.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of another angle of the embodiment of the present invention;
fig. 3 is a front view of an embodiment of the invention;
fig. 4 is a side view of an embodiment of the invention;
FIG. 5 is a schematic structural view of a spring hold-down channel according to an embodiment of the present invention;
FIG. 6 is a prior art straight spring;
FIG. 7 is a prior art U-shaped spring;
FIG. 8 is a prior art annular oil seal spring;
in the figure: 1-a spring material receiving frame; 2-pressing the groove channel by a spring; 3-a pre-rounding U-shaped forming device; 31-a forming turntable; 32-a drive motor; 33-a die guide; 34-forming a guide groove; 35-ejecting out the fixed seat; 36-ejecting the sliding guide rail; 37-ejecting out a slide rail seat; 38-ejection drive cylinder; 39-ejection head; 4-a pre-rounding lifting pressure head device; 41-a pressure head fixing frame; 42-pre-contact round lower pressure head; 43-ram guide shoe; 44-ram slide guide; 45-guide rail mounting seats; 46-guide rail limiting seat; 47-a drive slide; 48-driving the swing rod; 49-drive rocker arm; 410-a drive link; 5-a straight spring; 6-U-shaped spring; 7-annular oil seal spring.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 5, the oil seal spring ring pre-joint circle bending mechanism is installed on a frame of a circle connecting machine, and includes a spring receiving rack 1 for horizontally receiving a straight spring 5, a vertically through spring pressing channel 2 is arranged at the center of the bottom of the spring receiving rack 1, the spring pressing channel 2 corresponds to the middle part of the straight spring 5 to be processed, a pre-joint circle U-shaped forming device 3 for transforming the straight spring 5 into a U-shaped spring 6 is correspondingly arranged below the spring pressing channel 2, and a pre-joint circle lifting pressure head device 4 capable of pressing the straight spring 5 into the pre-joint circle U-shaped forming device 3 by bending the spring pressing channel 2 downwards is correspondingly arranged above the spring pressing channel 2. During the operation of the pre-joint circle, the straight spring 5 sequentially falls into the spring joint material frame 1 through a feeding mechanism, then the pre-joint circle lifting pressure head device 4 moves downwards and is located the straight spring 5 in the spring joint material frame 1 presses downwards, so that the straight spring 5 bends and then downwards passes through the spring pressing channel 2 and finally enters into the pre-joint circle U-shaped forming device 3, the straight spring 5 completely enters into the pre-joint circle U-shaped forming device 3, and finally bends and forms the U-shaped spring 6 and then enters into the next procedure, and the head end and the tail end of the spring are clamped and connected to form the annular oil seal spring 7. Adopt connect circle bending mechanism in advance at first with straight spring 5 bending forming become behind U type spring 6, then with the butt joint of the head end and the tail end of spring, process earlier and carry out the butt joint again behind the U type spring 6 and connect, the wholeness of spring is better, and machining efficiency is better, and the yield is higher, can reduce the centre gripping and the butt joint degree of difficulty of head end and tail end simultaneously, and the practicality is better.
Referring to fig. 5, a horizontal V-shaped receiving groove is formed in the spring receiving frame 1, a straight spring 5 is placed in the V-shaped receiving groove, the spring pressing channel 2 vertically penetrates through the V-shaped receiving groove, so that the horizontally placed straight spring 5 can be pressed out downwards from the spring pressing channel 2, and meanwhile, the spring pressing channel 2 also extends to the outer side of the spring receiving frame 1 and is used for avoiding the pre-rounding lifting ram device 4.
Referring to fig. 1 to 4, the pre-rounding lifting indenter device 4 includes an indenter holder 41, and the indenter holder 41 is used as a mounting base of the pre-rounding lifting indenter device 4 and is directly or indirectly fixed on a rounding machine; be provided with the pressure head guider of vertical setting on the pressure head mount 41, pressure head guider's bottom is provided with can with straight spring 5 by the spring pushes down channel 2 downwarping impress extremely pressure head 42 is down in the pre-contact circle U type forming device 3, still be provided with the drive on the pressure head guider the pressure head power device that the pressure head guider ascended and descends under the pre-contact circle 42 edge. When the pre-rounding device works, the pressure head power device acts to drive the pre-rounding lower pressure head 42 to move downwards along the pressure head guide device, the pre-rounding lower pressure head 42 firstly contacts the top end of the straight spring 5 in the downward movement process, the straight spring 5 is pressed into the spring pressing channel 2 along with the gradual downward movement of the pre-rounding lower pressure head 42, the straight spring 5 is bent from the middle position, the bent straight spring 5 is pressed into the pre-rounding U-shaped forming device 3 along with the further downward movement of the pre-rounding lower pressure head 42, and after the straight spring 5 completely enters, the straight spring 5 is deformed into a U-shaped spring 6; then the pressure head power device acts to drive the pre-joint circle lower pressure head 42 to reset upwards along the pressure head guide device, and the pre-joint circle U-shaped forming device 3 drives the U-shaped spring 6 to rotate to the next station.
Pressure head guider includes fixed mounting and is in pressure head guide holder 43 on the pressure head mount 41, slidable mounting has the pressure head sliding guide 44 of vertical setting on pressure head guide holder 43, pressure head sliding guide 44 is provided with two, pressure head sliding guide 44's top and bottom respectively fixed mounting have guide rail mount pad 45, connect in advance under the circle pressure head 42 fixed mounting be located the bottom on the guide rail mount pad 45. The pressure head power device is including fixing the spacing seat of guide rail 46 on pressure head sliding guide 44 upper portion is located the top guide rail mount 45 with slidable mounting has drive slide 47 on the pressure head sliding guide 44 between the spacing seat of guide rail 46, articulated drive pendulum rod 48 on the drive slide 47, drive pendulum rod 48 with it has drive rocking arm 49 to articulate between pressure head mount 41, it has drive connecting rod 410 still to articulate on the drive rocking arm 49, the articulated cylinder rod of connecting on telescopic cylinder's the bottom of drive connecting rod 410. The telescopic cylinder is fixedly installed on a rack of the rounding machine, the cylinder rod is vertically arranged, and the telescopic cylinder is well known to ordinary engineering technicians in the field and is not described in detail and is not shown in the figures. The extension and contraction of the rod of the telescopic cylinder drives the driving connecting rod 410 to ascend and descend, so that the driving rocker arm 49 swings upwards or downwards, and then the driving sliding seat 47 is driven to ascend and descend by the driving swing rod 48; when the driving slide 47 descends and contacts the guide rail limiting seat 46, the driving slide 47 pushes the guide rail limiting seat 46 and the pressing head sliding guide 44 to slide downwards along the guide rail mounting seat 45, so as to drive the pre-contact round pressing head 42 to slide downwards, and when the driving slide 47 ascends and contacts the guide rail mounting seat 45 at the top end, the driving slide 47 drives the pressing head sliding guide 44 to slide upwards along the guide rail mounting seat 45, so as to drive the pre-contact round pressing head 42 to slide upwards. A ram slide rail 44 between the rail mount 45 at the top end and the rail stopper 46 serves as a slide space for controlling the driving slide 47 to ascend and descend.
The pre-rounding lower pressing head 42 is a pre-rounding lower pressing column which bends and presses the straight spring 5 downwards from the spring lower pressing channel 2 into the pre-rounding U-shaped forming device 3. Since the straight spring 5 itself has softness and elasticity, when the pre-rounding press-down column contacts the top of the straight spring 5, the straight spring 5 is pressed downwards, so that the straight spring 5 is deformed downwards by the spring press-down groove.
The pre-rounding U-shaped forming device 3 comprises a forming turntable 31 and a turntable driving device for driving the forming turntable 31 to vertically rotate, and the turntable driving device is a driving motor 32. The periphery of shaping carousel 31 is provided with a plurality of circulation in proper order switches be used for respectively with meet circle lift pressure head device 4 shaping mould that corresponds in proper order in advance, still correspond on the shaping carousel 31 and be provided with and be used for ejecting the U type spring 6 after the shaping ejecting device outside the shaping mould. In the present embodiment, four molding dies and one ejector are provided.
The forming die comprises two opposite die guide seats 33, and the inner sides of the two die guide seats 33 are respectively provided with a forming guide groove 34 which is matched with each other and used for enabling the straight spring 5 to be deformed into the U-shaped spring 6.
The ejection device comprises an ejection fixing seat 35 which is fixedly arranged, the ejection fixing seat 35 is fixed on a frame of the rounding machine, an ejection sliding guide rail 36 which is horizontally arranged is installed on the ejection fixing seat 35, an ejection sliding rail seat 37 is slidably installed on the ejection sliding guide rail 36, an ejection driving cylinder 38 is connected between the ejection fixing seat 35 and the ejection sliding rail seat 37, and an ejection head 39 which is used for driving the U-shaped spring 6 to be driven outwards in the forming die is arranged on the ejection sliding rail seat 37. When the device works, the driving motor 32 drives the forming turntable 31 to rotate, so that when one of the forming molds is in a vertical position, the forming mold is just corresponding to the pre-joint round lower pressing head 42 and the spring lower pressing channel 2, namely, a forming station, when the straight spring 5 is pressed by the pre-joint round lower pressing head 42 to enter the mold guide seats 33, the middle part of the straight spring 5 slides downwards along a channel between the two mold guide seats 33, meanwhile, two ends of the straight spring 5 enter the forming guide groove 34, the forming guide groove 34 limits the straight spring 5 to be forced to form the U-shaped spring 6, then after the pre-joint round lower pressing head 42 exits the pre-joint round U-shaped forming device 3, the driving motor 32 drives the forming turntable 31 to rotate, so that the next empty forming mold is in a vertical position, namely, the forming station, and the forming mold carrying the U-shaped spring 6 moves to a horizontal position, at this time, the ejection driving cylinder 38 extends to push the ejection head 39 and the ejection slide rail seat 37 to horizontally slide along the ejection slide rail 36, the ejection head 39 abuts against and contacts with the arc-shaped portion of the U-shaped spring 6, and with the continuous sliding of the ejection head 39, the two side walls of the U-shaped spring 6 are pushed to continuously slide outwards along the forming guide groove 34, when the two ends of the U-shaped spring 6 respectively extend out of the forming mold, the head end and the tail end of the U-shaped spring 6 are clamped by a clamp, and then the next process is performed for clamping, when the U-shaped spring 6 is taken away, the ejection driving cylinder 38 contracts, and the ejection head 39 resets.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. Oil blanket spring circle bending mechanism in advance connects its characterized in that: the spring that connects the straight spring including being used for the level to accept connects the work or material rest, the bottom that the spring connects the work or material rest is provided with vertical through-going spring and pushes down the channel, the below correspondence that the channel was pushed down to the spring is provided with and is used for becoming the pre-contact circle U type forming device of U type spring with straight spring transformation, the top correspondence that the channel was pushed down to the spring is provided with can be with straight spring by the channel downwarping of spring is impressed to pre-contact circle lift pressure head device in the U type forming device.
2. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 1, characterized in that: connect circle lift pressure head device in advance includes the pressure head mount, be provided with the pressure head guider of vertical setting on the pressure head mount, pressure head guider's bottom is provided with can with straight spring by the spring pushes down the channel downwarping impress extremely pressure head under the circle of connecing in advance in the circle U type forming device in advance, still be provided with the drive on the pressure head guider connect under the circle in advance the pressure head edge pressure head guider rises and the pressure head power device that descends.
3. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 2, characterized in that: the pressure head guider includes fixed mounting and is in pressure head guide holder on the pressure head mount, slidable mounting has the pressure head sliding guide of vertical setting on the pressure head guide holder, pressure head sliding guide's top and bottom fixed mounting respectively have the guide rail mount pad, connect in advance under the circle pressure head fixed mounting be located the bottom on the guide rail mount pad.
4. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 3, characterized in that: the pressure head power device is including fixing the spacing seat of guide rail on pressure head sliding guide upper portion is located the top guide rail mount pad with slidable mounting has the drive slide on the pressure head sliding guide between the spacing seat of guide rail, articulated drive pendulum rod on the drive slide, the drive pendulum rod with it has the drive rocking arm to articulate between the pressure head mount, it has the drive connecting rod still to articulate on the drive rocking arm, the articulated cylinder pole of connecting on telescopic cylinder in bottom of drive connecting rod.
5. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 2, characterized in that: the pre-joint circle lower pressing head is a pre-joint circle lower pressing column which bends and presses a straight spring downwards from the spring lower pressing channel into the pre-joint circle U-shaped forming device.
6. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 1, characterized in that: connect circle U type forming device in advance includes shaping carousel and drive the vertical pivoted carousel drive arrangement of shaping carousel, the periphery of shaping carousel be provided with a plurality of in proper order circulate switch over be used for respectively with connect circle lift pressure head device in advance and go up and down the forming die that the pressure head device corresponds in proper order, it is used for releasing the U type spring after the shaping still to correspond on the shaping carousel ejecting device outside the forming die.
7. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 6, characterized in that: the forming die comprises two opposite die guide seats, and the inner sides of the two die guide seats are respectively provided with a forming guide groove which is matched with each other and used for enabling the straight spring to be changed into the U-shaped spring.
8. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 6, characterized in that: the ejection device comprises an ejection fixing seat fixedly arranged, an ejection sliding guide rail horizontally arranged is installed on the ejection fixing seat, an ejection sliding rail seat is slidably installed on the ejection sliding guide rail, an ejection driving cylinder is connected between the ejection fixing seat and the ejection sliding rail seat, and an ejection head used for pushing the U-shaped spring outwards in the forming die is arranged on the ejection sliding rail seat.
9. The oil-sealed spring ring pre-rounding bending mechanism as set forth in claim 6, characterized in that: the turntable driving device is a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022975998.0U CN214236087U (en) | 2020-12-10 | 2020-12-10 | Oil seal spring ring pre-rounding bending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022975998.0U CN214236087U (en) | 2020-12-10 | 2020-12-10 | Oil seal spring ring pre-rounding bending mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214236087U true CN214236087U (en) | 2021-09-21 |
Family
ID=77737688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022975998.0U Active CN214236087U (en) | 2020-12-10 | 2020-12-10 | Oil seal spring ring pre-rounding bending mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214236087U (en) |
-
2020
- 2020-12-10 CN CN202022975998.0U patent/CN214236087U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102173097A (en) | Multi-station automatic feeding method and device | |
| CN215279695U (en) | Automatic forming device for bearing ring blank | |
| KR101403206B1 (en) | Apparatus for bending materials | |
| CN214236087U (en) | Oil seal spring ring pre-rounding bending mechanism | |
| CN113199217B (en) | Manufacturing process and equipment of double-taste pot | |
| CN212216777U (en) | Side punching device for forming of Internet of things intelligent gas meter shell | |
| CN111835159A (en) | Rounding and shaping die for straight stator core | |
| US4339939A (en) | Drawing heavy walled parts | |
| KR100581123B1 (en) | Hydro forming device | |
| CN113172425B (en) | Welding device for arc-surface outer wall mandarin duck pot | |
| CN214108528U (en) | Stamping device of gas joint gasket | |
| CN211464385U (en) | Digital control multi-angle continuous bending machine | |
| CN101898220B (en) | Forming method of steel wire in car seat | |
| CN214236102U (en) | Upsetting device of spline mandrel | |
| CN210648076U (en) | Stamping forming equipment for automobile floor reinforcement | |
| CN203495012U (en) | Punching die | |
| CN216655927U (en) | Novel bending structure | |
| CN113070398A (en) | Continuous stamping die controlled by PLC and stamping method thereof | |
| CN216540337U (en) | Negative angle bending die | |
| CN221582115U (en) | Can prevent mould processingequipment of mould dysmorphism | |
| CN210523514U (en) | Full-automatic continuous stretch forming manipulator | |
| CN216175834U (en) | Flanging die and die press | |
| CN212695863U (en) | Flattening and shaping device of straight bar stator core rounding and shaping die | |
| CN214683870U (en) | Thick material stretching die structure | |
| CN113976794B (en) | Progressive stamping forming equipment for wheel nuts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil seal spring coil pre connected circular bending mechanism Effective date of registration: 20230616 Granted publication date: 20210921 Pledgee: Changyi Sub-branch of Postal Savings Bank of China Ltd. Pledgor: Changyi Tongda spring Co.,Ltd. Registration number: Y2023980044076 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231218 Granted publication date: 20210921 Pledgee: Changyi Sub-branch of Postal Savings Bank of China Ltd. Pledgor: Changyi Tongda spring Co.,Ltd. Registration number: Y2023980044076 |