CN109500786B - Lifting mechanism of liquid crystal panel detection table - Google Patents
Lifting mechanism of liquid crystal panel detection table Download PDFInfo
- Publication number
- CN109500786B CN109500786B CN201811382193.6A CN201811382193A CN109500786B CN 109500786 B CN109500786 B CN 109500786B CN 201811382193 A CN201811382193 A CN 201811382193A CN 109500786 B CN109500786 B CN 109500786B
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- sliding
- cam group
- transfer
- base plate
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to a lifting mechanism of a liquid crystal display panel detection table, which comprises a base, a transfer bottom plate connected to the base, a detection table bottom plate and a detection table fixed on the detection table bottom plate, wherein a cam group and a power unit connected with the cam group are arranged on the transfer bottom plate, the upper side of the cam group supports the detection table bottom plate, and the power unit is used for driving the cam group to move so as to drive the detection table bottom plate to lift. The lifting device adopts the servo motor group, the cam group and the scissor fork, thereby realizing the lifting work of the detection table with a small space range, and therefore, the lifting mechanism has compact structure, small occupied space and more convenient post-maintenance.
Description
Technical Field
The invention relates to a lifting mechanism, in particular to a lifting mechanism of a liquid crystal display panel detection table.
Background
In the liquid crystal panel manufacturing process, it is necessary to detect the related defective phenomenon by lighting after the liquid crystal panel is initially manufactured. Along with the large-scale development of liquid crystal display panel manufacturing, the height limitation of operators, the special requirements of customers and the space limitation of equipment, the traditional high-fixed detection mechanism mode can not meet the existing detection requirements, and the Z axis is required to be added to the oversized detection table to adjust the height of the height, so that the operators can finish detection work under the conditions of safety and convenience.
In the prior art, a Z-axis of a lifting mechanism generally adopts a mode of a ball screw, a linear slide rail, an air cylinder, a gear rack, a synchronous belt and the like. When adopting these modes, can need higher installation space, under the circumstances of highly being insufficient, space restriction, all have very big difficulty in the realization lift of above mode, in structural strength, stability, use cost's aspect, can't accomplish balanced, and partial mechanism needs higher installation accuracy requirement and follow-up maintenance work is also very inconvenient.
Disclosure of Invention
In order to overcome the defects, the invention provides a lifting mechanism of a liquid crystal panel detection table, which realizes a lifting function with larger stroke in a small space range by controlling the lifting of the detection table through a cam group.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a liquid crystal display panel detects platform elevating system, includes the base, connects to the base move and carry the bottom plate, detect the platform bottom plate and be fixed in the detection platform on the detection platform bottom plate, move and carry the power unit of installing the cam group and connecting the cam group on the bottom plate, the upside of cam group supports the detection platform bottom plate, the power unit is used for driving the cam group motion and drives the detection platform bottom plate and go up and down to move.
Preferably, the cam group comprises a driving wheel and a driven wheel connected with the driving wheel, the power unit comprises a servo motor and a speed reducer connected with the servo motor, an output shaft of the speed reducer is connected with the driving wheel of the cam group through a coupler, the upper side of the driven wheel supports the detection table bottom plate, and the lower side of the driven wheel is meshed with the driving wheel.
Preferably, the driving wheel is an eccentric wheel, and the driven wheel is a roller.
Preferably, the moving base plate is movably connected to the base, a sliding seat is arranged on the base, a sliding table matched with the sliding seat is arranged on the lower side of the moving base plate, the sliding table is connected with a driving mechanism, and the driving mechanism can drive the moving base plate to move left and right on the sliding seat through the sliding table.
Preferably, the cam group is located in the middle of the transferring bottom plate, the sliding table is connected below the transferring bottom plate on one side of the cam group, a second sliding groove is arranged below the transferring bottom plate on the other side of the cam group, and a second sliding rail matched with the second sliding groove is arranged on the base.
Preferably, the cam group is positioned in the middle between the detection platform bottom plate and the transfer bottom plate, synchronization units are symmetrically arranged on two sides of the cam group, the lower ends of the synchronization units are connected with the transfer bottom plate, the upper ends of the synchronization units are connected with the detection platform bottom plate, and the synchronization units move along with the lifting of the detection platform bottom plate.
Preferably, the synchronization unit is a scissors fork, the upper and lower ends of one side of the scissors fork are respectively connected with the detection platform bottom plate and the transfer bottom plate in a rotating mode, and the upper and lower ends of the other side of the scissors fork are respectively connected with the detection platform bottom plate and the transfer bottom plate in a sliding mode.
Preferably, the upper end and the lower end of the other side of the scissor fork are respectively connected with a sliding plate, the detection platform bottom plate and the transfer bottom plate are provided with linear sliding rails matched with the sliding plates, and two sides of each linear sliding rail are provided with limiting blocks for limiting the sliding plates to slide on the sliding rails between the two limiting blocks.
Preferably, the scissors fork is composed of two crossed steel plates, and the middle parts of the two steel plates are connected through a rotating shaft.
Preferably, a first sliding groove and a third sliding groove are respectively arranged right below the transfer base plates of the two synchronization units, and a first sliding rail matched with the first sliding groove and a third sliding rail matched with the third sliding groove are arranged on the base.
The beneficial effects of the invention are as follows:
1) The lifting device adopts the servo motor group, the cam group and the scissor fork, so that the lifting work of the detection table with a small space range is realized, and the space between the detection table bottom plate and the transfer bottom plate is as small as possible on the premise of meeting the space requirements of other elements on the premise of meeting the lifting height requirements of customers on equipment; the cam group is arranged at the highest position or the lowest position of the lifting mechanism, and the lifting mechanism is arranged at the highest position or the lowest position of the lifting mechanism, wherein the highest position or the lowest position is the lifting position when the cam group moves, and the phenomenon of cam size increase caused by additional travel does not exist; the required height space greatly exceeds the lifting height when the ball screw, the linear slide rail, the cylinder, the gear rack, the synchronous belt and the like are adopted in the prior art, the lifting height is removed when the ball screw is adopted, the whole length of the screw also comprises the length of a nut seat, the required length of two sections of fixing seats, the surplus stroke, the ineffective stroke, the length of a shaft end transmission piece and the like, and under the condition of smaller height space, mutual interference among mechanisms is very easy to cause; the problems of excessive height caused by invalid travel exist in the modes of a gear rack, a synchronous belt and the like; therefore, the invention makes breakthrough progress in saving space;
2) The servo motor is adopted to control the cam group, so that the height can be controlled to realize the accurate control of any position of the lifting height of the detection table, and the height position can be adjusted when the cam group is installed, thereby being convenient for later maintenance; when the ball screw and linear slide rail mode is adopted, the parallelism problem between the ball screw and the linear slide rail, the precision grade of the ball screw, the perpendicularity problem between the Z axis and the transfer platform and the like are guaranteed, once the ball screw or the linear slide rail is damaged in later use, the precision of the mechanism needs to be corrected again, and a large amount of time is consumed for adjusting the precision in a small space range, so that the normal production and operation of equipment are affected;
3) According to the invention, scissors and forks are adopted as a synchronization unit to ensure the lifting synchronism of the detection platform, four supporting points are shared below the transfer base plate, namely a first chute, a second chute, a sliding table and a third chute, wherein the first chute and the third chute are used for supporting scissors and forks on two sides, the second chute and the sliding table are used for supporting a cam group, and the weight of the whole lifting mechanism is transmitted to the ground through the arrangement of the supporting points, so that the lifting stability of a Z-axis is ensured, and the situation that the transfer base plate is stressed to deform to influence the transmission precision is avoided; meanwhile, through increasing the support of the first sliding groove, coaxiality between the output shaft of the speed reducer and the cam installation shaft is guaranteed, and service lives of the cam shaft, the coupler and the speed reducer are prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a use state diagram of the present invention;
in the figure: 10-cam group, 11-driving wheel, 12-driven wheel, 20-power unit, 21-servo motor, 22-speed reducer, 23-coupler, 30-synchronization unit, 31-scissors fork, 32-rotating shaft, 33-slide plate, 34-linear slide rail, 40-detection platform bottom plate, 41-detection platform, 50-transfer platform bottom plate, 51-slide table, 52-driving mechanism, 53-first slide groove, 54-second slide groove, 55-third slide groove, 60-base, 61-slide seat, 62-first slide rail, 63-second slide rail and 64-third slide rail.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-4, a lifting mechanism for a liquid crystal panel detection platform comprises a base 60, a transfer base plate 50 connected to the base, a detection platform base plate 40 and a detection platform 41 fixed on the detection platform base plate, wherein a cam group 10 and a power unit 20 connected with the cam group 10 are installed on the transfer base plate 50, the upper side of the cam group 10 supports the detection platform base plate 40, and the power unit 20 is used for driving the cam group 10 to move so as to drive the detection platform base plate 40 to lift. The detecting table 41 is used for storing the liquid crystal panel, the cam group 10 is used for controlling the lifting of the detecting table (namely controlling the detecting table to move in the Z-axis direction), the detecting table 41 is firstly positioned at the highest point and connected with the liquid crystal panel conveyed by the upstream ARM, in order to facilitate detection, the detecting table is controlled to descend to the lowest point through the cam group 10, in order to ensure the lifting synchronism of the detecting table, the scissors and the fork 31 are symmetrically arranged on two sides of the detecting table bottom plate, when the detecting table bottom plate 40 descends, the moving sides of the scissors and the fork passively slide outwards, and when the detecting table bottom plate ascends, the moving sides of the scissors and the fork passively slide inwards, so that the running stability and the running synchronism of the detecting table are improved. The lifting device adopts the servo motor group, the cam group and the scissor fork, thereby realizing the lifting work of the detection table with a small space range, and therefore, the lifting mechanism has compact structure, small occupied space and more convenient post-maintenance.
The cam group 10 comprises a driving wheel 11 and a driven wheel 12 connected with the driving wheel, the power unit 20 comprises a servo motor 21 and a speed reducer 22 connected with the servo motor, an output shaft of the speed reducer 22 is connected with the driving wheel 11 of the cam group through a coupler 23, and the upper side of the driven wheel 12 supports a detection table bottom plate 40, and the lower side of the driven wheel is meshed with the driving wheel. The driving wheel 11 is an eccentric wheel, and the driven wheel 12 is a roller. The lifting motion of the detection table is realized by utilizing the rotation of the eccentric wheel, the lifting height of the detection table is accurately controlled at any position in the lifting height range, and the traditional cylinder lifting mechanism cannot realize the function.
As shown in fig. 1, the transfer base plate 50 is movably connected to the base 60, a sliding seat 61 is provided on the base 60, a sliding table 51 matched with the sliding seat is provided at the lower side of the transfer base plate 50, the sliding table is connected with a driving mechanism 52, and the driving mechanism 52 can drive the transfer base plate to move left and right on the sliding seat through the sliding table, so that the transfer base plate 50 can realize movement in the Y-axis direction, as shown in fig. 4, the movement of the transfer base plate between the position B and the position a is realized, and the detection work is conveniently completed by the detection personnel. The cam set 10 is located in the middle of the transfer bottom plate 50, the sliding table 51 is connected below the transfer bottom plate on one side of the cam set, a second sliding groove 54 is arranged below the transfer bottom plate on the other side of the cam set, a second sliding rail 63 matched with the second sliding groove is arranged on the base 60, and the second sliding groove and the sliding table are symmetrically located on two sides of the cam set 10 and used for supporting the cam set.
Meanwhile, a first sliding groove 53 and a third sliding groove 55 are respectively arranged right below the transfer base plate 50 of the two synchronous units 30, a first sliding rail 62 matched with the first sliding groove and a third sliding rail 64 matched with the third sliding groove are arranged on the base, so that four supporting points are shared below the transfer base plate 50, namely the first sliding groove 53, the second sliding groove 54, the sliding table 51 and the third sliding groove 55, when the transfer base plate moves along the Y axis, the first sliding groove 53, the second sliding groove 54, the sliding table 51 and the third sliding groove 55 move along the first sliding rail 62, the second sliding rail 63, the sliding seat 61 and the third sliding rail 64 respectively, wherein the first sliding groove 53 and the third sliding groove 55 are used for supporting the scissor fork 31 on two sides, the second sliding groove 54 and the sliding table 51 are used for supporting the cam group 10, and the weight of the whole lifting mechanism is transferred to the ground through the arrangement of the supporting points, so that the lifting stability of the Z axis is ensured, and the situation that deformation and further influence on the transmission precision caused by the stress of the transfer base plate is avoided; meanwhile, through increasing the support of the first sliding groove, coaxiality between the output shaft of the speed reducer and the cam installation shaft is guaranteed, and service lives of the cam shaft, the coupler and the speed reducer are prolonged.
As shown in fig. 2 and 3, the cam group 10 is located in the middle between the detection platform base plate and the transfer base plate, synchronization units 30 are symmetrically disposed at two sides of the cam group, the lower ends of the synchronization units are connected with the transfer base plate 50, the upper ends of the synchronization units are connected with the detection platform base plate 40, the synchronization units 30 move along with the lifting of the detection platform base plate, the synchronization units 30 are scissor forks 31, the upper and lower ends of one side of each scissor fork are respectively connected with the detection platform base plate and the transfer base plate in a rotating manner, and the upper and lower ends of the other side of each scissor fork are respectively connected with the detection platform base plate and the transfer base plate in a sliding manner. The upper and lower ends of the other side of the scissor fork are respectively connected with a sliding plate 33, a linear sliding rail 34 matched with the sliding plate is arranged on the bottom plate of the detection table and the bottom plate of the transfer table, and limiting blocks are arranged on two sides of the linear sliding rail and used for limiting the sliding plate to slide on the sliding rail between the two limiting blocks. The scissors fork 31 is composed of two crossed steel plates, the middle parts of the two steel plates are connected through a rotating shaft 32, the upper end of one steel plate and the lower end of the other steel plate are respectively fixed on the detection table bottom plate and the transfer bottom plate through bearing seats to form a revolute pair, the lower end of one steel plate and the upper end of the other steel plate are connected on the linear slide rail 34 through a slide plate 33 to form a movable pair, the rotating shaft 32 is connected to the middle parts of the two steel plates to ensure the synchronism of the movement of the scissors fork, and when the cam group 10 moves, the movable side of the scissors fork is driven to ensure the synchronism of the lifting of the detection table.
The operation process of the invention comprises the following steps:
step one: as shown in fig. 4, first, the inspection station 41 receives the liquid crystal panel conveyed by the upstream ARM at B, and the inspection station is at the highest point;
step two: the driving mechanism 52 drives the transfer base plate 50 to move along the Y axis, and the detection table base plate and the detection table move together until the driving mechanism at the position A stops running;
step three: the power unit 20 is started to drive the cam group 10 to rotate, the power unit stops running after the detection table descends to a proper position, namely the detection table moves along the Z axis, a detection person detects the liquid crystal panel, and qualified products flow to the next working procedure;
step four: the power unit is started again to drive the cam group 10 to reversely rotate, and the detection table rises to the highest point along with the reverse rotation;
step five: the driving mechanism 52 drives the transfer base plate 50 to move to the position B, the current work is finished, and then the steps are repeated to enable the detection process to be continuously carried out.
It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides a liquid crystal display panel detects platform elevating system which characterized in that: the automatic detection device comprises a base (60), a transfer base plate (50), a detection base plate (40) and a detection base (41) fixed on the detection base plate, wherein the transfer base plate (50) is provided with a cam group (10) and a power unit (20) connected with the cam group (10), the upper side of the cam group (10) supports the detection base plate (40), and the power unit (20) is used for driving the cam group (10) to move so as to drive the detection base plate (40) to move up and down;
the cam group (10) comprises a driving wheel (11) and a driven wheel (12) connected with the driving wheel, the power unit (20) comprises a servo motor (21) and a speed reducer (22) connected with the servo motor, an output shaft of the speed reducer (22) is connected with the driving wheel (11) of the cam group through a coupler (23), the upper side of the driven wheel (12) supports a detection table bottom plate (40), and the lower side of the driven wheel is meshed with the driving wheel;
the automatic lifting device is characterized in that the transfer base plate (50) is movably connected to the base (60), a sliding seat (61) is arranged on the base (60), a sliding table (51) matched with the sliding seat is arranged on the lower side of the transfer base plate (50), the sliding table is connected with a driving mechanism (52), and the driving mechanism (52) can drive the transfer base plate to move left and right on the sliding seat through the sliding table.
2. The liquid crystal panel inspection station lifting mechanism of claim 1, wherein: the driving wheel (11) is an eccentric wheel, and the driven wheel (12) is a roller.
3. The liquid crystal panel inspection station lifting mechanism of claim 1, wherein: the cam group (10) is positioned in the middle of the transfer base plate (50), the sliding table (51) is connected to the lower part of the transfer base plate on one side of the cam group, a second sliding groove (54) is arranged below the transfer base plate on the other side of the cam group, and a second sliding rail (63) matched with the second sliding groove is arranged on the base (60).
4. The liquid crystal panel inspection station lifting mechanism of claim 1, wherein: the cam group (10) is located in the middle between the detection platform bottom plate and the transfer bottom plate, the two sides of the cam group are symmetrically provided with the synchronous units (30), the lower ends of the synchronous units are connected with the transfer bottom plate (50), the upper ends of the synchronous units are connected with the detection platform bottom plate (40), and the synchronous units (30) move along with the lifting of the detection platform bottom plate.
5. The liquid crystal panel inspection station lifting mechanism as recited in claim 4, wherein: the synchronous unit (30) is a scissors fork (31), the upper and lower ends of one side of the scissors fork are respectively connected with the detection platform bottom plate and the transfer bottom plate in a rotating mode, and the upper and lower ends of the other side of the scissors fork are respectively connected with the detection platform bottom plate and the transfer bottom plate in a sliding mode.
6. The liquid crystal panel inspection station lifting mechanism of claim 5, wherein: the upper end and the lower end of the other side of the scissor fork are respectively connected with a sliding plate (33), a detection platform bottom plate and a transfer bottom plate are provided with linear sliding rails (34) matched with the sliding plates, and limiting blocks are arranged on two sides of each linear sliding rail and used for limiting the sliding plates to slide on the sliding rails between the two limiting blocks.
7. The liquid crystal panel inspection station lifting mechanism of claim 6, wherein: the scissors fork (31) is composed of two crossed steel plates, and the middle parts of the two steel plates are connected through a rotating shaft (32).
8. The liquid crystal panel inspection station lifting mechanism as recited in claim 4, wherein: a first sliding groove (53) and a third sliding groove (55) are respectively arranged under the transfer base plates (50) of the two synchronous units (30), and a first sliding rail (62) matched with the first sliding groove and a third sliding rail (64) matched with the third sliding groove are arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382193.6A CN109500786B (en) | 2018-11-20 | 2018-11-20 | Lifting mechanism of liquid crystal panel detection table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382193.6A CN109500786B (en) | 2018-11-20 | 2018-11-20 | Lifting mechanism of liquid crystal panel detection table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109500786A CN109500786A (en) | 2019-03-22 |
| CN109500786B true CN109500786B (en) | 2023-09-08 |
Family
ID=65749236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382193.6A Active CN109500786B (en) | 2018-11-20 | 2018-11-20 | Lifting mechanism of liquid crystal panel detection table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109500786B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214534A (en) * | 2017-07-14 | 2017-09-29 | 江苏安全技术职业学院 | It is machined universal bracket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030047388A1 (en) * | 2001-08-30 | 2003-03-13 | Faitel William M. | Scissors lifter drive apparatus |
-
2018
- 2018-11-20 CN CN201811382193.6A patent/CN109500786B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214534A (en) * | 2017-07-14 | 2017-09-29 | 江苏安全技术职业学院 | It is machined universal bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109500786A (en) | 2019-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204035935U (en) | A kind of posture adjustment assembly system for rocket part docking | |
| WO2022037487A1 (en) | Plate flatness online detection device | |
| CN107984216B (en) | Automatic production line for mixed line production of multiple varieties of low-voltage switch equipment and operation method | |
| CN209853188U (en) | Double-layer circulating line system with corners | |
| CN102601120B (en) | The automatic roll change of milling train and adjusting device and method of operating thereof | |
| CN208544844U (en) | Formula photovoltaic glass Automatic Conveying Wiring device is worn in one kind | |
| CN202114401U (en) | Lifting worktable of laser processing machine tool | |
| CN202539195U (en) | Automatic roll changing and adjusting device of mill | |
| CN208561574U (en) | A kind of lifting device of IVF work station | |
| CN109226345A (en) | Plate unit structural member straightening machine | |
| CN109500786B (en) | Lifting mechanism of liquid crystal panel detection table | |
| CN206068776U (en) | Scalable fine positioning conveying equipment with synchronization lifting | |
| CN211140731U (en) | Eccentric lifting equipment for skid conveying | |
| CN206733003U (en) | Heat-preservation cotton automatic charging machine people is used in a kind of solar thermal collector production | |
| CN106516154A (en) | Big plane wing assembly working platform | |
| CN216472026U (en) | Reciprocating conveyer | |
| CN205130440U (en) | Tire building machine trades bulging frock | |
| CN204556281U (en) | Bridge guardrail thrust measurement instrument | |
| CN107265071A (en) | A kind of material carries streamline | |
| CN107243896A (en) | Heat-preservation cotton automatic charging machine people is used in a kind of solar thermal collector production | |
| CN202238943U (en) | Fully-hydraulic-driven steel turning device for use before blooming mill | |
| CN207016045U (en) | A kind of material carries streamline | |
| CN111348585A (en) | Cam lifting device | |
| CN205575469U (en) | Lift lifting drive mechanism | |
| CN204453834U (en) | Stacker crane is collected in numerical control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |