CN208067734U - A kind of spring erection device - Google Patents
A kind of spring erection device Download PDFInfo
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- CN208067734U CN208067734U CN201721803895.8U CN201721803895U CN208067734U CN 208067734 U CN208067734 U CN 208067734U CN 201721803895 U CN201721803895 U CN 201721803895U CN 208067734 U CN208067734 U CN 208067734U
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- clamping jaw
- spring
- sliding block
- cylinder
- erection device
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Abstract
A kind of spring erection device comprising：Clamping jaw module comprising：Jaw mount, on the jaw mount and the first clamping jaw and the second clamping jaw that are oppositely arranged, and on the jaw mount and the clamping jaw open-and-close mechanism that drives first clamping jaw and the second clamping jaw to open or close up；The concave shaped space suitable for righting spring is formed when first clamping jaw and second jaws close；Pusher comprising：Sliding block, the clamping jaw module are mounted on the sliding block；Sliding rail is slidably matched with the sliding block；Driving mechanism is connect with the sliding block, for driving the sliding block to be moved along the sliding rail.Spring erection device according to the present utility model carries out righting using two clamping jaws that opposite can close up and open to spring, advantageously prevents the crooked of spring, while compact-sized, saves installation space.
Description
Technical field
The utility model is related to a kind of spring erection devices, more particularly to a kind of spring righting dress in assembly system
It sets.
Background technology
In the manufacturing process of automobile electron stabilization control system (Electric Stability Control, ESC), need
To use gland that corresponding pressure mounting of the spring in its corresponding chamber, must assure that spring before being pressed using gland
Do not occur in its chamber crooked.Because once occurring crooked, it is possible to lead to electronic stabilizing control system function at work
Failure, to which security risk can occur.
Currently in order to it is crooked to prevent spring from occurring in chamber, widespread practice is using camera shoot thus will
Captured image compares to judge it is crooked whether spring occurs with normal picture.However, when crooked side occurs for spring
To it is consistent with the shooting direction of camera or just completely opposite when, the photo only shot from camera is difficult to whether judgement spring is sent out
Life is crooked.
In addition, in currently used camera come to that in the whether crooked system decision making of spring, can only be to spring
It is no it is crooked decision making, detect it is crooked after, cannot to the spring carry out righting operation, cannot timely and effectively avoid bullet
Spring it is crooked to ensure the normal operation of whole system.
Utility model content
It is described the utility model proposes a kind of spring erection device in order to some or all of overcome in drawbacks described above
Spring erection device can ensure the indoor spring of chamber in the state that can be kept upright before being pressed, will not occur it is crooked,
To which the failure of the whole system where the spring will not be caused.
A kind of spring erection device according to the present utility model, including：
Clamping jaw module comprising：Mounting base, in the mounting base and the first clamping jaw being oppositely arranged and second presss from both sides
Pawl, and in the mounting base and the clamping jaw opening-closing machine that drives first clamping jaw and the second clamping jaw to open or close up
Structure；The concave shaped space for being suitable for helping spring is formed when first clamping jaw and second jaws close；
Pusher comprising：Sliding block, the clamping jaw module are mounted on the sliding block；Sliding rail is slided with the sliding block
Cooperation；Driving mechanism is connect with the sliding block, for driving the sliding block to be moved along the sliding rail.
Spring erection device according to the present utility model can have following advantageous aspect：
Advantageously, first clamping jaw and concave space when the second jaws close substantially take the shape of the letter U, first clamping jaw and
Second clamping jaw is respectively formed the left-half and right half part of U-shaped, and the bottom of the U-shaped is semicircular in shape, the semicircle shape
The radius of shape is corresponding with by the radius of the spring of righting.
Advantageously, the end of the clamping face of first clamping jaw and the second clamping jaw is respectively formed opening to the concave shaped space
Mouth is inclined for stopping spring towards the crooked wedge-shaped clamping part of the opening.
Advantageously, clamping jaw open-and-close mechanism further includes：It connect to drive described with first clamping jaw and the second clamping jaw
First cylinder of one clamping jaw and clamping jaw opening and closing.
Advantageously, the driving mechanism is the second cylinder, and the cylinder barrel of second cylinder connect with fixed pivot, described the
The piston rod of two cylinders is connect with the sliding block.
Advantageously, the sliding rail is mounted on horizontal fixed mesa, and fixing bracket is also equipped on the fixed mesa,
The cylinder barrel of second cylinder is connect with the fixed pivot on the fixing bracket, and the fixing bracket pacifies second cylinder
Dress is the top that cylinder barrel is located at the sliding rail.
Advantageously, it is also equipped on the fixed mesa for by that on existing device of the spring erection device frame
This vertical support plate spaced apart, the component of the space existing device of the part of the vertical support plate.
Advantageously, it is provided with bearing on the sliding block, steering connections, the work of second cylinder are installed on the bearing
The end of stopper rod is connect with the steering connections.
Advantageously, bearing is provided on the sliding block, the piston rod of second cylinder is connected to the bearing, the branch
Seat is arranged in sliding block close to the end for the spring for wanting righting.
Advantageously, bearing is provided on the sliding block, the piston rod of second cylinder is connected to the bearing, the branch
Seat is arranged in sliding block close to the end for the spring for wanting righting.
Advantageously, the jaw mount is arranged in the sliding block close to the end for the spring for wanting righting.
Advantageously, the spring erection device be also configured with opening for detecting first clamping jaw and the second clamping jaw or
The position sensor of closed position.
Advantageously, the spring erection device further includes：The preceding stop device being arranged on the running orbit of the sliding block
With rear stop device, the preceding stop device limits the maximum projecting position of the sliding block, it is described after described in stop device limits
The maximum retraction position of sliding block.
Spring erection device according to the present utility model is using two clamping jaws that opposite can close up and open come to spring
Righting is carried out, the crooked of spring is advantageously prevented, the downtime caused by spring is crooked can be efficiently reduced, carried
The high production efficiency of associated production system.And since the special shape of clamping jaw designs, which can be narrow
It is applied in small space, while will not be whether spring is sent out with other parts, such as adjacent other springs, for detecting
Raw crooked camera interferes.
Description of the drawings
Fig. 1 shows the schematic diagram for the spring erection device that the utility model embodiment provides.
Specific implementation mode
The structure of the spring erection device of embodiment according to the present utility model and other each is described with reference to the accompanying drawings
A aspect.In the following description, numerous specific details are set forth to enable person of ordinary skill in the field more comprehensively
Ground understands the utility model.But for it is in technical field it is obvious to the skilled person that the utility model reality
Can now not have some in these details.However, it should be understood that the utility model is not limited to introduced spy
Determine embodiment.On the contrary, it may be considered that implement the utility model with the arbitrary combination of following feature and element, regardless of they
Whether different embodiment is related to.Therefore, aspect, feature, embodiment and advantage below is used for illustrative purposes only without should be seen
Work is element or the restriction of claim, unless clearly proposing in the claims.
It is understood that relational language "center", " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", " left side ",
Orientation or positional relationship of the directions term such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" based on diagram, only
Be merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device institute element must have it is specific
Orientation, with specific azimuth configuration or operation, therefore should not be construed as limiting the invention.
Fig. 1 shows the spring erection device 100 of a preferred embodiment according to the present utility model.As shown, bullet
Spring erection device 100 includes clamping jaw module and pushing module.The clamping jaw module includes that jaw mount 16 and setting are being pressed from both sides
The first clamping jaw 1 on the left of pawl mounting base, be arranged 16 right side of jaw mount the second clamping jaw 2 and be mounted on jaw mount
On 16 and first clamping jaw, 1 and second clamping jaw, the 2 opposite clamping jaw open-and-close mechanism opened and closed, first clamping jaw 1 and second is made to press from both sides
Pawl 2 can close up to form spill grasping part and opening relative to one another, to (such as be connect by chamber to spring or spring section
The part that the slave chamber of the spring of receipts exposes) it is clamped or is unclamped.The pushing module includes sliding block 3, and sliding block 3 moves on it
The driving mechanism that dynamic sliding rail 8 and the driving sliding block 3 moves.Clamping jaw module is fixed on sliding block 3.Such as when needs are to bullet
When spring carries out righting, the first clamping jaw 1 in the open state and the second clamping jaw 2 are moved forward along push direction close to wanting righting
Spring, then close up in corresponding position, the first clamping jaw 1 and the second clamping jaw 2, formed spill grasping part to spring carry out
Righting simultaneously prevents spring crooked.And when carrying out related assembly manipulation, such as when needing to be packaged spring using gland, wait for
After operation instrument is in place, the first clamping jaw 1 and the second clamping jaw 2 need to open relative to each other, and the first clamping jaw 1 is transported to the left in the figure
Dynamic, the second clamping jaw 2 moves right, and then correspondingly retracts backward along push direction, and behaviour is reserved to corresponding operation instrument
Make space to avoid interfering with corresponding operation instrument, while the first clamping jaw 1 and removing for the second clamping jaw 2 move also not
It can be interfered with the parts near clamping jaw.
As shown, in order to make first clamping jaw, 1 and second clamping jaw 2 forwardly and rearwardly be moved along push direction, the
One clamping jaw 1 and the second clamping jaw 2 are fixed on sliding block 3 by jaw mount 16 by are connected to the sliding block 3, to 3 quilt of sliding block
It is configured to drive first clamping jaw, 1 and second clamping jaw 2 along push direction (being laterally in figure) closer or far from being helped
Positive spring.
In order to use the first clamping jaw 1 and the second clamping jaw 2 to carry out righting to spring, first clamping jaw, 1 and second clamping jaw 2 closes
Generally u-shaped shape is constituted when holding together, first clamping jaw 1 positioned at left side is configured to half rim portion of a left side of the U-shape, institute
State half rim portion of the right side that the second clamping jaw is configured to U-shape, the bottom of the U-shape be semicircular in shape and with to be helped
The shape of positive spring is corresponding, particularly, the radius of semicircular in shape with it is corresponding by the radius of the spring of righting.It is described
The bottom of U-shaped prevent will tilting backwards by the spring of righting, prevent will quilt for the Liang Ge branches of part in the U-shape
The spring of righting to the left and be tilted to the right.
In a preferred embodiment, the first clamping jaw 1 and the second clamping jaw 2 is used to carry out the righting phase to spring in order to prevent
Between, crooked forward by the spring of righting, two Zhi Duan of the upper part of the U-shape have inwardly decrement (to the spill
The opening in space tilts) wedge-shaped clamping part.In embodiment as described above, such shape of the first clamping jaw 1 and the second clamping jaw 2
Shape is arranged so that its structure is more compact, avoids the first clamping jaw 1 and when the second clamping jaw 2 is opened with being located remotely from each other and surrounding
Component, for example adjacent spring interfere.It is further preferred that the described two intilted angular ranges in end are 3
To 15 °, which can either be to wanting righting floor spring to carry out righting, while spring will not be made to become due to holding tension again
Shape.
The clamping jaw open-and-close mechanism includes the first cylinder 7, the gas of first clamping jaw 1 and second clamping jaw 2 and the first cylinder 7
Cylinder rod connection is simultaneously closed up and is opened by the driving of the first cylinder 7, i.e. the first cylinder 7 controls opening for the first clamping jaw 1 and the second clamping jaw 2
Close, therefore, the lateral opening degree of the first clamping jaw 1 and the second clamping jaw 2 by the first cylinder 7 stroke limit.The cunning
The driving mechanism of block 3 includes the second cylinder 15, and the sliding block 3 drives sliding block 3 to move forward and backward, that is, sliding block 3 and the second cylinder 15
Cylinder rod be connected, to drive jaw mount 18, the first clamping jaw 1 and the second clamping jaw 2 to move forward and backward.Second gas
Cylinder 15 is fixed, it is preferable that second cylinder 15 is connected on fixed fulcrum.In the illustrated embodiment, in sliding block 3
On be fixed with bearing 9, bearing 9 is connected to the cylinder rod of the second cylinder 15, to realize the second cylinder 15 to sliding block 3 connection drive
It moves and the first clamping jaw 1 and the second clamping jaw 2 can be driven to be moved forward and backward along push direction.In preferred embodiment as shown in the figure
In, steering connections 14 is connected on bearing 9, the cylinder rod of the second cylinder 15 is connect by the steering connections 14 with bearing 9, institute
State steering connections 14 and be configured to one end and bearing 9 is connected to by connecting rod, the other end be have relative to the connecting rod it is certain
The branch sleeve of circumferential free degree, the branch sleeve are connect with the cylinder rod of the second cylinder 15.Turned by cylinder connection
To the configuration in joint 14 so that the cylinder rod of the second cylinder 15 has certain flexibility with the connection of cylinder link block 9, to increase
Add the flexibility of whole device, and the assembly precision requirement between the second cylinder 15 and bearing 9 can be reduced, so as to reduce
The processing of device, assembly cost.However, the mode that the second cylinder 15 is connect with sliding block 3 is not limited to the mode of diagram, it can
It can realize that the second cylinder 15 drives push sliding block 3 close and far from any connection to be moved by the spring of righting with what is expected
Mode is all desirable.Preferably, bearing 9 be advantageously located at sliding block 3 close to the end of the first clamping jaw 1 and the second clamping jaw 2 position
It sets (i.e. along the relatively remote location in the stretching direction of the cylinder rod of the second cylinder 15), and preferably, the jaw mount 16
Advantageously also be located at sliding block 3 this close at the end position of the first clamping jaw 1 and the second clamping jaw 2, bearing 9 and jaw mount 16
This be arranged such that the structure of entire spring erection device is more compact.
Other than above structure, spring erection device according to the present invention further includes playing support framework to whole device
Supporting structure, the supporting structure includes vertical support plate 6 and the fixed mesa 5 that is arranged on vertical support plate 6.It is described perpendicular
It is preferably 2 vertical support plates 6 disposed in parallel to support plate 6, the vertical support plate 6 can be arranged already existing
The both sides (left side and right side) of structure, fixed mesa 5 is arranged will be according to the present invention in the upside of already existing structure
Supporting structure is combined with already existing structure.The guide rail 8 of push slide block device is provided on the fixed mesa 5, it is sliding
Block 3 slides that the first clamping jaw 1 and the second clamping jaw 2 is driven to be moved forward and backward along push direction on the guide rail 8.Advantageously, exist
Guide rail fixed seat 4 is fixed on the fixed mesa, the guide rail 8 is fixed on guide rail fixed seat 4, although it will be appreciated that
It is that it is also to be contemplated that the guide rail, which is directly installed on the arrangement on fixed mesa 5,.In the advantageous embodiment of diagram,
The fixing bracket 12 for the second cylinder is provided on fixed mesa 5, the fixing bracket 12 is favorably raised from fixed mesa 5
To make push cylinder 15 be located at the top of sliding rail 8, the entire horizontal space of the spring erection device is saved, so that whole
A structure is more compact.Although it will be appreciated that appointing for the supporting structure of entire spring erection device spaces compact can be made
What arrangement is also all possible.Advantageously, the holder for other facilities, example are also provided on the fixed mesa 5
As holder 18 can be used for passing through for various harness so that the arrangement of harness is more neat.
The first clamping jaw 1 and the second clamping jaw 2 are moved into advancing excessively along push direction in order to prevent, or retreat excessively and
It being interfered with other elements, spring erection device according to the present invention is additionally provided with limit stops device, particularly, the limit
Position stop device is push limit stops device.As shown, pacifying along the fixed mesa 5 of the rear side in push direction in sliding rail 8
Stop block 11 after being limited equipped with cylinder, stop block 11 is matched with the trailing flank of sliding block 3 to limit push after the cylinder limit
Sliding block 2 retreats excessively on sliding rail 8, avoids that the first clamping jaw 1 and the second clamping jaw 2 is driven to retreat excessively and send out with other elements
Raw interference.Advantageously, the preceding stop block of cylinder limit is additionally provided with by sliding rail 8 close to the side of clamping jaw 2 on fixed mesa 5
10, stop block 10 matches before being limited with the cylinder, and the side of stop block 10 is solid before push sliding block 2 is limited close to the cylinder
There is sliding block to move stopper section 13 surely, 10 end face of stop block matches before sliding block movement stopper section 13 can be limited with cylinder, from
And limit push sliding block 2 and advance on sliding rail 8 excessively, avoid driving the first clamping jaw 1 and the second clamping jaw 2 advance excessively and with
Other elements interfere, advantageously, compact-sized in order to make, and sliding block movement stopper section 13 is arranged in push sliding block 2
Close to the side of clamping jaw.It is additionally provided with stop screw 17 on stop block 10 before the cylinder limits, the stop screw 17 can
To adjust the extension elongation for contacting side with sliding block movement stopper section 13, to control restraining position.It is envisioned that can
Any other limit stops device of limitation push sliding block 2 is all possible.
For the opening and clamped condition of the first clamping jaw 1 and the second clamping jaw 2, corresponding position sensor can be provided with.
As shown, position sensor 19 detects the rod location of clamping jaw cylinder, which also characterizes 1 He of the first clamping jaw
The opening or clamped condition of second clamping jaw 2, corresponding position signal by position sensor be sent to corresponding control system with
Advantageously the operating process of spring erection device is controlled.
Spring erection device according to the present utility model can be used in automobile electron stabilization control system assembly for bullet
Among the process that spring is pressed, although it will be appreciated that be spring erection device according to the present utility model can be used for institute
It is in need that righting operatively equipment is carried out for spring, and according to the change in shape for wanting righting spring, it can be to clamping jaw landform
Shape, which is made, adaptively to be changed, and this is also without departing from the scope of protection of the utility model.
Although the utility model has been disclosed in the preferred embodiments as above, the utility model is not limited to this.Any
Field technology personnel, without departing from the spirit and scope of the utility model made by various changes and modification, should all be included in this
In the protection domain of utility model, therefore the scope of protection of the utility model should be subject to claim limited range.
Claims (12)
1. a kind of spring erection device, which is characterized in that including：
Clamping jaw module comprising：Jaw mount (16) is mounted on first on the jaw mount (16) and be oppositely arranged
Clamping jaw (1) and the second clamping jaw (2), and on the jaw mount (16) and drive first clamping jaw (1) and the
The clamping jaw open-and-close mechanism that two clamping jaws (2) are opened or closed up；First clamping jaw (1) and second clamping jaw (2) are formed when closing up
Concave shaped space suitable for righting spring；
Pusher comprising：Sliding block (3), the clamping jaw module are mounted on the sliding block (3)；Sliding rail (8), with the cunning
Block (3) is slidably matched；Driving mechanism is connect with the sliding block, for driving the sliding block (3) mobile along the sliding rail (8).
2. spring erection device according to claim 1, which is characterized in that first clamping jaw (1) and the second clamping jaw (2)
Concave space when closing up substantially takes the shape of the letter U, first clamping jaw (1) and the second clamping jaw (2) be respectively formed U-shaped left-half and
The bottom of right half part, the U-shaped is semicircular in shape, and the radius of the semicircular in shape matches with by the radius of the spring of righting
It is suitable.
3. spring erection device according to claim 1 or 2, which is characterized in that first clamping jaw (1) and the second clamping jaw
(2) end of clamping face is respectively formed the inclined wedge-shaped clamping part of opening to the concave shaped space, the wedge shape clamping part
For stopping that spring is crooked towards the opening.
4. spring erection device according to claim 1 or 2, which is characterized in that clamping jaw open-and-close mechanism further includes：With it is described
The first cylinder (7) of first clamping jaw and the connection of the second clamping jaw to drive first clamping jaw and clamping jaw to open and close.
5. spring erection device according to claim 1 or 2, which is characterized in that the driving mechanism is the second cylinder
(15), the cylinder barrel of second cylinder (15) is connect with fixed pivot, piston rod and the sliding block of second cylinder (15)
(3) it connects.
6. spring erection device according to claim 5, which is characterized in that the sliding rail (8) is mounted on horizontal fixation
On table top (5), be also equipped with fixing bracket (12) on the fixed mesa (5), the cylinder barrel of second cylinder (15) with it is described
Second cylinder (15) is installed as cylinder barrel and is located at by the fixed pivot connection on fixing bracket (12), the fixing bracket (12)
The top of the sliding rail.
7. spring erection device according to claim 6, which is characterized in that be also equipped with use on the fixed mesa (5)
In the vertical support plate (6) being separated from each other by the spring erection device frame on existing device, the vertical support plate
(6) space between is used to accommodate the component of existing device.
8. spring erection device according to claim 5, which is characterized in that bearing (9) is provided on the sliding block, it is described
Steering connections (14) is installed, the end of the piston rod of second cylinder (15) is connect with the steering connections on bearing (9).
9. spring erection device according to claim 5, which is characterized in that it is provided with bearing (9) on the sliding block (3),
The piston rod of second cylinder (15) is connected to the bearing (9), and bearing (9) setting is in sliding block (3) close to wanting righting
Spring end.
10. spring erection device according to claim 1, which is characterized in that the jaw mount (16) is arranged in institute
Sliding block (3) is stated close to the end for the spring for wanting righting.
11. spring erection device according to claim 1, which is characterized in that the spring erection device, which is also configured with, to be used for
Detect the opening of first clamping jaw (1) and the second clamping jaw (2) or the position sensor (19) of closed position.
12. spring erection device according to claim 1, which is characterized in that further include：It is arranged in the sliding block (3)
Preceding stop device on running orbit and rear stop device, the preceding stop device limit the maximum projecting position of the sliding block,
Stop device limits the maximum retraction position of the sliding block after described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721803895.8U CN208067734U (en) | 2017-12-22 | 2017-12-22 | A kind of spring erection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721803895.8U CN208067734U (en) | 2017-12-22 | 2017-12-22 | A kind of spring erection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208067734U true CN208067734U (en) | 2018-11-09 |
Family
ID=64032403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721803895.8U Active CN208067734U (en) | 2017-12-22 | 2017-12-22 | A kind of spring erection device |
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| Country | Link |
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| CN (1) | CN208067734U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570961A (en) * | 2018-12-29 | 2019-04-05 | 深圳科易设计服务有限公司 | A kind of automobile engine using new energy resources cylinder cap leading portion steel bushing pressing machine |
| CN111215893A (en) * | 2020-02-14 | 2020-06-02 | 魏玉燕 | Production equipment for locking device of automobile safety belt retractor |
| CN111299999A (en) * | 2020-03-15 | 2020-06-19 | 南京慧瞳作物表型组学研究院有限公司 | Bolt and nut automatic assembly system of flat cultivation container |
| CN112658661A (en) * | 2020-12-15 | 2021-04-16 | 北京无线电测量研究所 | Radiation unit matching block positioning mechanism, assembling device and method |
| CN114406755A (en) * | 2022-03-02 | 2022-04-29 | 江苏科瑞恩自动化科技有限公司 | Positioning and clamping device |
-
2017
- 2017-12-22 CN CN201721803895.8U patent/CN208067734U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570961A (en) * | 2018-12-29 | 2019-04-05 | 深圳科易设计服务有限公司 | A kind of automobile engine using new energy resources cylinder cap leading portion steel bushing pressing machine |
| CN109570961B (en) * | 2018-12-29 | 2021-09-10 | 深圳科易设计服务有限公司 | New energy automobile engine cylinder cap anterior segment steel bushing machine of impressing |
| CN111215893A (en) * | 2020-02-14 | 2020-06-02 | 魏玉燕 | Production equipment for locking device of automobile safety belt retractor |
| CN111215893B (en) * | 2020-02-14 | 2021-07-20 | 浙江万里安全器材制造有限公司 | Production equipment for locking device of automobile safety belt retractor |
| CN111299999A (en) * | 2020-03-15 | 2020-06-19 | 南京慧瞳作物表型组学研究院有限公司 | Bolt and nut automatic assembly system of flat cultivation container |
| CN112658661A (en) * | 2020-12-15 | 2021-04-16 | 北京无线电测量研究所 | Radiation unit matching block positioning mechanism, assembling device and method |
| CN112658661B (en) * | 2020-12-15 | 2022-08-02 | 北京无线电测量研究所 | Radiation unit matching block positioning mechanism, assembling device and method |
| CN114406755A (en) * | 2022-03-02 | 2022-04-29 | 江苏科瑞恩自动化科技有限公司 | Positioning and clamping device |
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