CN212955307U - Large-scale vacuum coating machine - Google Patents
Large-scale vacuum coating machine Download PDFInfo
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- CN212955307U CN212955307U CN202020570969.3U CN202020570969U CN212955307U CN 212955307 U CN212955307 U CN 212955307U CN 202020570969 U CN202020570969 U CN 202020570969U CN 212955307 U CN212955307 U CN 212955307U
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Abstract
The utility model discloses a large-scale vacuum coating machine, including nozzle up's a section of thick bamboo shell form furnace body and bell, characterized by: the bottom of the furnace body is provided with a middle hole, the middle hole is provided with an inner cylinder with a downward cylinder opening, and the bottom of the inner cylinder is provided with a middle opening and symmetrical side holes; a hydraulic rod sealing seat is arranged on the middle opening, a hydraulic cylinder penetrates through the middle opening of the hydraulic rod sealing seat, the bottom end of the hydraulic cylinder is supported on a jacking bottom plate fixed on the foundation, and the top end of the hydraulic cylinder is connected with the furnace cover; and a guide post seat is arranged on the side hole, a guide post penetrates through a hole in the middle of the guide post seat, and the top end of the guide post is connected with the furnace cover. The utility model discloses can be applicable to the elevation about eight meters factory building and need not to dispose the driving and can carry out the corrosion resistant plate coating film.
Description
Technical Field
The utility model relates to a large-scale vacuum coating machine.
Background
A vacuum coating machine for coating stainless steel plates or large components (such as furniture) is of two types, one type is that a furnace body is of a vertical high cylinder type, the stainless steel plates needing coating are vertically hung on a circular rotating frame in the furnace around the furnace, and sometimes 5-6 stainless steel plates with the length of 3 meters and the width of about 1 meter are hung side by side along the circumference of the rotating frame. The furnace body of the film coating machine is generally as high as 4 meters (the total height of the furnace foot frame is 5-6 meters), and the diameter is one meter and up to two meters. Therefore, the plant level needs 13-15 meters. The other type is a flat cylinder type, a plurality of steel plates are transversely hung around a rotating frame in the furnace, the height is about two plates, namely the height of the furnace is more than two meters (the total height is more than 3 meters), the vertical diameter is more than 4 meters, and 4 plates can be transversely hung on one layer. The latter model is suitable for plants with lower elevation.
However, even in the latter type, in addition to the elevation of the equipment itself, a sufficiently high operating space is left, for example, a crane is installed above the equipment for lifting the furnace lid and lifting the rotating frame to load and unload the steel plate, and therefore the elevation of the plant is about ten meters. Many facilities do not have this elevation, even without the traveling equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a large-scale vacuum coating machine is provided for this large-scale vacuum coating machine is applicable in the elevation about eight meters factory building and need not to dispose the driving and can carry out the corrosion resistant plate coating film.
Solve above-mentioned technical problem, the utility model discloses the technical scheme who adopts as follows:
a large vacuum coating machine comprises a cylindrical shell-shaped furnace body with an upward cylinder opening and a furnace cover, and is characterized in that: the bottom of the furnace body is provided with a middle hole, the middle hole is provided with an inner cylinder with a downward cylinder opening, and the bottom of the inner cylinder is provided with a middle opening and symmetrical side holes; a hydraulic rod sealing seat is arranged on the middle opening, a hydraulic cylinder penetrates through the middle opening of the hydraulic rod sealing seat, the bottom end of the hydraulic cylinder is supported on a jacking bottom plate fixed on the foundation, and the top end of the hydraulic cylinder is connected with the furnace cover; and a guide post seat is arranged on the side hole, a guide post penetrates through a hole in the middle of the guide post seat, and the top end of the guide post is connected with the furnace cover.
Therefore, the purpose of saving the space for installing a travelling crane and a travelling crane hoisting furnace cover above the equipment can be realized.
On the basis of the above, the utility model discloses can also following various preferred modifications:
the top end of the hydraulic cylinder is connected with the furnace cover through a circular furnace cover welding plate welded in the middle of the bottom surface of the furnace cover, and the top end of the guide column is connected with the furnace cover through a circular furnace cover welding plate welded outside the circular furnace cover welding plate in the middle of the bottom surface of the furnace cover.
The connection part of the bottom surface of the circular furnace cover welding plate and the upper end of the hydraulic cylinder is sleeved with a tubular downward shield 9, the connection part of the top surface of the inner cylinder and the hydraulic rod sealing seat is sleeved with a tubular upward shield 8, and the two shields are designed in shapes and sizes so that the furnace covers can be nested with each other when being closed, and the hydraulic rod 21 is prevented from being polluted during film coating. (the embodiment is a round tube with a small top and a big bottom, or vice versa)
The connection part of the bottom surface of the circular furnace cover welding plate and the upper end of the guide post is sleeved with a tubular downward shield 9, the connection part of the top surface of the inner barrel and the guide post seat is sleeved with a tubular upward shield 8, and the two shields are designed in shape and size so that the furnace covers can be nested with each other when being closed.
An annular concave ring is arranged on a hydraulic rod of the hydraulic cylinder, a hydraulic in-place locking device is arranged on the lower end face of a hydraulic rod sealing seat, and a hydraulic in-place locking shaft which is hydraulically controlled to transversely stretch and retract is arranged on the hydraulic in-place locking device and can be clamped into the annular concave ring of the hydraulic rod. Thus, the danger caused by the accidental lifting of the furnace cover can be prevented.
The guide post is provided with a guide post shield which is a cylinder body with an opening end fixed on the lower end surface of the guide post seat.
The utility model discloses a adapt to the shorter factory building production coating film corrosion resistant plate of this kind of condition, improved equipment, on oblate cylindrical model type basis, adopt the interior hydraulic pressure lift bell device of stove, can save the space that equipment top installation driving and driving lift bell, the factory building reaches seven, eight meters of elevation, just can install this type of large-scale coating machine and carry out corrosion resistant plate coating film production, still can sparingly dispose driving cost and maintenance cost.
Has the advantages that:
1) the utility model discloses a large-scale oblate column type coating machine adopts interior hydraulic pressure lift bell device of stove, can save the space that equipment top installation driving and driving lifted by crane the bell, and this saves the space of one time many furnace body height, is fit for this type of large-scale coating machine of shorter factory building installation to carry out corrosion resistant plate coating film production.
2) The adoption of the hydraulic lifting furnace cover device in the furnace can also save the cost for configuring the travelling crane and maintaining the travelling crane.
3) The hydraulic lifting furnace cover device in the furnace has the advantages of reasonable design and layout, simple and compact structure, stable operation, safety and reliability.
Drawings
Fig. 1 is a schematic main sectional view of an embodiment of the present invention in a state of being lifted to open a furnace lid;
FIG. 2 is a schematic main sectional view of FIG. 1 in a state of lowering and closing the lid;
FIG. 3 is a partially enlarged schematic view of a hydraulic cylinder connecting structure II in FIG. 2;
FIG. 4 is a partially enlarged view of the IV hydraulic rod connection structure in FIG. 2;
FIG. 5 is a conceptual schematic view of the hydraulic in-place locking device shown in FIG. 3, taken from section A-A;
FIG. 6 is a partially enlarged view of the bottom structure of the guide post base of FIG. 2;
FIG. 7 is a partially enlarged view of the connection structure of the III guiding pillar in FIG. 2.
Meaning of reference numerals
1-furnace lid, 1.1-circular furnace lid welding plate, 1.2-annular furnace lid welding plate, 2-O-shaped ring, 3-furnace body, 3.1-mounting plate, 3.2-round tube, 3.3-furnace bottom plate, 3.4-furnace body foot rest, 4-guide post seat, 5-guide post, 6-hydraulic cylinder, 7-jacking bottom plate, 8-upward shield, 9-downward shield, 10-guide post shield, 11-sealing plate, 12-hydraulic rod seal seat pressing flange, 13-hydraulic rod seal seat, 13.1-hydraulic rod copper sliding sleeve, 13.2-locking nail, 15-framework oil seal, 16-hydraulic in-place locking device, 16.1-transverse locking shaft, 19.1-guide post copper sliding sleeve, 19.2-locking screw, 20-limiting block and 21-hydraulic rod.
Detailed Description
Referring to fig. 1, which is a main sectional view of the embodiment in a state of lifting and opening the furnace cover, and fig. 2 is a main sectional view of the embodiment in a state of lowering and closing the furnace cover.
The embodiment of the large-scale vacuum coating machine of the utility model comprises a cylindrical shell-shaped furnace body 3 with an upward cylinder opening and a furnace cover 1. The bottom of the furnace body 3, namely the furnace bottom plate 3.3, is provided with a middle hole, the middle hole is provided with an inner cylinder with a downward cylinder opening, the inner cylinder consists of a round pipe 3.2 and a mounting plate 3.1, the mounting plate 3.1 is provided with a middle opening and two symmetrical side holes, the middle opening is provided with a hydraulic rod sealing seat 13, the middle opening of the hydraulic rod sealing seat 13 is penetrated with a hydraulic rod 21 of a hydraulic cylinder 6, the bottom end of the hydraulic cylinder is supported on a jacking bottom plate 7 fixed on a foundation, and the top end of the hydraulic rod 21 is connected with the furnace cover 1 through a round furnace cover welding plate 1.1 welded in the middle of the bottom surface of the furnace cover. And guide column seats 4 are respectively arranged on the two side holes, a guide column 5 penetrates through the opening in the middle of each guide column seat, and the top ends of the guide columns 5 are connected with the furnace cover through a circular furnace cover welding plate 1.2 welded outside a circular furnace cover welding plate 1.1 in the middle of the bottom surface of the furnace cover.
The connecting position of the bottom surface of the circular furnace cover welding plate 1.1 and the upper end of the hydraulic rod is sleeved with a tubular downward shield 9, the connecting position of the top surface mounting plate 3.1 of the inner cylinder and the hydraulic rod sealing seat 13 is sleeved with a tubular upward shield 8, the tubular downward shield 9 is smaller than the upward shield 8, the two shields can be nested with each other when the furnace cover is closed, and the hydraulic rod 21 is prevented from being polluted during film coating.
Similarly, the connection between the bottom of the circular furnace cover welding plate 1.2 and the upper end of the guide post 5 is sleeved with a tubular downward shield 9, the connection between the top mounting plate of the inner barrel and the guide post seat is sleeved with a tubular upward shield 8, the downward shields 9 are smaller than the upward shields 8, and the two shields can be nested with each other when the furnace cover is closed.
A concave ring or a pit is formed in a hydraulic rod of the hydraulic cylinder, a hydraulic in-place locking device 16 is arranged on the lower end face of a hydraulic rod sealing seat, a hydraulic control transverse telescopic locking shaft 16.1 is arranged on the hydraulic in-place locking device 16 and can be clamped into the concave ring of the hydraulic rod, and the furnace cover is prevented from being accidentally lowered to cause danger.
The guide post 5 is provided with a guide post shield 10 which is a cylinder with an opening end fixed on the lower end surface of the guide post seat.
Fig. 1 and 2 show the general structural layout of the present embodiment.
The whole furnace body is fixedly arranged on a furnace body foot rest 3.4, and an O-shaped ring is arranged at the upper port of the furnace body 3 and is a vacuum sealing element between the furnace cover 1 and the furnace body 3. The lower end of the hydraulic cylinder 6 positioned on the central axis of the furnace body extends out of the opening of the furnace bottom plate 3.3 and is supported on a jacking bottom plate 7, and the jacking bottom plate 7 is fixed on a foundation.
The inner cylinder which is arranged at the bottom of the furnace body 3, namely the middle hole of the furnace bottom plate 3.3 and has a downward opening is communicated with the atmosphere, so that the air exhaust volume of the furnace body is reduced, and in addition, devices such as a hydraulic rod sealing seat, a guide column seat and the like are arranged outside the vacuum and are convenient to install. And (3) lifting a hydraulic rod 21 from the hydraulic cylinder 6, connecting the upper end of the hydraulic rod with the furnace cover through a circular furnace cover welding plate 1.1, and jacking the furnace cover 1 when the hydraulic rod is lifted.
The guide post seats 4 positioned on the left side and the right side of the hydraulic rod sealing seat 13 are fixed on the mounting plate 3.1, the upper ends of the guide posts 5 are fixedly connected with the furnace cover through the annular furnace cover welding plate 1.2, when the furnace cover is pushed and pulled to lift by the hydraulic rod 21, the guide posts lift along with the furnace cover, the guide posts are limited by the guide post seats when the furnace cover is lifted, and the guide posts and the hydraulic rod are ensured to lift stably and not to move.
Fig. 3 is a partially enlarged view of a connection structure of a hydraulic cylinder ii in fig. 2, and fig. 4 is a partially enlarged view of a connection structure of an iv hydraulic rod in fig. 2. The two figures are combined to display the structure and related connection of a hydraulic system, and the hydraulic system comprises a hydraulic cylinder 6, a hydraulic rod 21, a jacking bottom plate 7, a limiting block 20, a circular furnace cover welding plate 1.1, a mounting plate 3.1, a hydraulic in-place locking device 16, a transverse locking shaft and a hydraulic rod sealing seat assembly 16.1. The hydraulic cylinder is a columnar body, is erected on the central axis of the furnace body, and the lower end of the hydraulic cylinder extends out of the furnace bottom plate 3.3 and is seated on a 7-jacking bottom plate on a foundation. The upper end of the cylinder body of the hydraulic cylinder is provided with an annular convex shoulder which is fixedly connected with the hydraulic rod sealing seat component by a screw. A liftable hydraulic rod 21 is arranged in the hydraulic cylinder body, a necking end is arranged at the front end of the hydraulic rod 21, a ring convex shoulder at the foremost end of the hydraulic rod is clamped into a stepped hole of a limiting block 20 fixed on a circular furnace cover welding plate 1.2, and the limiting block 20 is fixedly connected with the circular furnace cover welding plate 1.1. When the hydraulic rod 21 rises, the end of the hydraulic rod is propped against the lower end face of the circular furnace cover welding plate 1.1, and the furnace cover is pushed and raised. When the hydraulic rod descends, the shoulder of the upper end ring of the hydraulic rod clamps the lower shoulder of the stepped hole of the limiting block and pulls downwards, so that the furnace cover is driven to descend. The hydraulic rod sealing seat assembly comprises a hydraulic rod sealing seat 13, an O-shaped ring, a framework oil seal 15 and a hydraulic rod sealing seat pressing flange 12. The hydraulic rod sealing seat 13 is a sleeve member with flanges at two ends, a flange at the lower end face of the hydraulic rod sealing seat is matched and fixedly connected with a ring shoulder flange at the upper end of the hydraulic cylinder, a flange at the upper end of the hydraulic rod sealing seat is fixedly connected with the upper end face of the mounting plate 3.1, and sealing is achieved through an O-shaped ring. A framework oil seal 15 is embedded into an upper hole of a central step through hole of the hydraulic rod sealing seat 13, and an upper port of the framework oil seal 15 is tightly pressed on an upper flange end face of the hydraulic rod sealing seat 13 through a hydraulic rod sealing seat pressing flange 12 through a screw. A hydraulic rod copper sliding sleeve 13.1 is sleeved in a lower hole of a central step through hole of the hydraulic rod sealing seat 13, a hydraulic rod 21 penetrates through a middle hole of the hydraulic rod sealing seat 13, and is lifted by the hydraulic rod copper sliding sleeve 13.1 in an antifriction sliding manner, and dynamic sealing is realized by the framework seal 15.
FIG. 5 is a conceptual schematic view of the hydraulic in-place locking device shown in FIG. 4, taken along line A-A. The hydraulic in-place locking device 16 is an externally available molded part, and is shown here in detail to illustrate only its function. When the hydraulic rod 21 rises to the right position, a sensing signal is fed back to the device, the transverse locking shaft 16.1 is enabled to extend forwards through the action of the self-provided hydraulic oil cylinder, a corresponding concave ring or a concave pit on the hydraulic rod is clamped, and the concave ring or the concave pit is prevented from sliding downwards, so that the danger caused by accidental falling of the furnace cover is prevented, and the safety of equipment and personnel is ensured. When necessary operation is completed and the furnace cover is required to be lowered and closed, the hydraulic in-place locking device can be instructed to release pressure of the self-contained hydraulic oil cylinder, the transverse locking shaft retreats and resets to release the locking of the hydraulic rod, and the hydraulic rod is restored to be lowered under hydraulic drive.
Fig. 6 is a partially enlarged view of the bottom structure of the guiding post base of fig. 2 i, and fig. 7 is a partially enlarged view of the connecting plate of the guiding post of fig. 2 iii. The two figures show in combination the structure of the guidance system and its associated connections. The guide system structure comprises a guide post seat 4, a guide post 5, an O-shaped ring, a sealing plate 11, a guide post seat 4, a guide post copper sliding sleeve 19.1, a locking nail 19.2, a protective cover 18, a protective cover 17 and an annular furnace cover welding plate 1.2.
The guide column cover 10 is a vertical cylinder, the lower end of the guide column cover extends out of the furnace bottom plate 3.3, the lower end port of the guide column cover is fixedly connected with a circular ring which is sleeved in the cylinder and provided with a plurality of screw holes in a welding mode, the guide column cover is fixedly connected with the sealing plate 11 by screwing corresponding screw holes through screws, and the sealing between the circular ring of the lower end port and the sealing plate is realized through an O-shaped ring (2). The upper port of the cylinder of the guide column seat 4 is fixedly connected with a flange in a welding way, the ring surface of the lower end of the flange is pressed on the mounting plate 3.1, and the flange is matched with an O-shaped ring to realize sealing. The guide post seat 4 is sleeved in a flange through hole at the upper end of the guide mounting seat, the guide post seat 4 is a sleeve with an end face flange, and the flanges are fixedly connected on the mounting plate 3.1 together by screws. The middle hole of the guide post seat 4 is a stepped hole, and the upper part of the stepped hole is sleeved with a guide post copper sliding sleeve 19.1. The lower end of the guide post copper sliding sleeve 19.1 is propped against the inner ring shoulder at the lower end of the stepped hole. The upper port of the copper sliding sleeve 19.1 of the guide post is fixed with the guide post seat 4 by a locking screw 19.2. The periphery of the two flanges is sleeved with an upward opening protective cover 8 which is fixed on the mounting plate 3.1. The guide post 5 extends out of the guide post seat 4, penetrates through the guide post copper sliding sleeve 19.1, and extends to the annular furnace cover welding plate 1.2 through the guide limit of the guide post, and an annular convex shoulder flange is welded at the upper end head of the guide post 5 and is fixedly connected with the annular furnace cover welding plate through screws. When the hydraulic rod 21 pushes and pulls the furnace cover to lift, the guide post 5 lifts along with the furnace cover, and the guide post copper sliding sleeve 19.1 has a limiting effect on the guide of the guide post, so that the furnace cover is guaranteed to lift stably. The periphery of the fixed connection part at the upper end of the guide post 5 is sleeved with a cylindrical shield 9 with a downward opening, the diameter of the cylindrical shield 9 is smaller than that of the upward shield 8, and the cylindrical shield is fixed on an annular furnace cover welding plate. When the furnace cover is lowered and closed, the downward protective cover 9 and the upward protective cover 8 are buckled together in an inverted mode, the guide post 5 is shielded, and pollution to the guide post 5 during film coating is prevented.
3 working example of the invention
The operation process is illustrated by taking the attached drawings as examples
1) Operation of furnace lid rising
The original furnace cover is closed, air is filled into the furnace to break vacuum, a hydraulic system is started, a hydraulic cylinder positioned on a central shaft in the furnace is fixed on a mounting plate, the mounting plate is welded and supported on a cylindrical coaming in the furnace body, and the mounting plate is welded and fixedly connected on a furnace bottom plate. The pneumatic cylinder promotes the hydraulic stem and rises, and the hydraulic stem passes and stretches after copper sliding sleeve and the skeleton oil blanket in the hydraulic stem seal receptacle centre bore of pneumatic cylinder upper end, realizes that antifriction slides spacing and dynamic seal, hydraulic stem upper end and the stopper swing joint of fixing on the bell. The hydraulic rod rises to jack the furnace cover to rise to the highest limited position. In the ascending process of the furnace cover, the furnace cover drives the guide posts which are fixed on the furnace cover and positioned on the left side and the right side of the hydraulic rod to synchronously ascend. The guide post extends out of the guide post seat, and the left guide post seat, the right guide post seat and the hydraulic cylinder arranged in the middle are fixed on the same furnace body mounting plate. The guide post extends out of the guide post seat and penetrates through a copper sliding sleeve in a copper sleeve seat fixedly connected with the upper end of the installation seat, and the copper sliding sleeve plays a limiting and guiding role in the movement of the guide post, so that the hydraulic rod pushes the furnace cover to rise stably, and the furnace cover does not rotate, deviate, incline and move. After the furnace cover rises to the highest position, a signal is fed back to the hydraulic in-place locking device, the device is a safety device, the device automatically acts after receiving the feedback signal, and drives a self-contained hydraulic cylinder to push a transverse locking shaft to clamp a hydraulic rod for locking and limiting, so that the hydraulic rod is prevented from accidentally sliding downwards, and the furnace cover is prevented from falling to cause danger. After the furnace cover is lifted to the highest position, the workpiece rotating frame in the furnace rises to exceed the upper furnace opening of the furnace body along with the furnace cover, and workers can take out the plated steel plate, clean the furnace cover and the furnace chamber, and then hang the steel plate to be plated.
2) Operation of furnace lid descent
And after the furnace cover is lifted to finish all operations, preparing to close the furnace cover. The locking action of the hydraulic in-place locking device is firstly released, namely a locking releasing instruction signal is input into the device, the device starts a self-contained hydraulic system, the hydraulic transverse locking shaft is withdrawn, and the locking limit of the hydraulic rod is released. And starting the furnace cover lifting hydraulic system, enabling the hydraulic cylinder to pull the hydraulic rod to descend, and enabling the hydraulic rod to clamp the lower inner ring shoulder of the central hole of the limiting block fixed on the furnace cover to pull the furnace cover to descend. In the descending process of the furnace cover, the furnace cover drives the guide posts which are fixed on the furnace cover and positioned on the left side and the right side of the hydraulic rod to synchronously descend. The guide post goes down through the guide post seat, passes through a copper sliding sleeve in a copper sleeve seat fixedly connected with the upper end of the seat, and plays a limiting and guiding role on the movement of the guide post, so that the hydraulic rod pulls the furnace cover to descend stably, and the furnace cover does not rotate, deviate, incline and move. The furnace cover descends to the upper furnace opening of the furnace body and stops, and the furnace cover and the furnace body are closed. And starting vacuumizing, and pressing an O-shaped ring between the furnace cover and the port of the furnace body by atmosphere to play a role in vacuum sealing. And after the vacuum in the furnace body reaches the standard, performing the next film coating operation period.
Claims (6)
1. A large vacuum coating machine comprises a cylindrical shell-shaped furnace body with an upward cylinder opening and a furnace cover, and is characterized in that: the bottom of the furnace body is provided with a middle hole, the middle hole is provided with an inner cylinder with a downward cylinder opening, and the bottom of the inner cylinder is provided with a middle opening and symmetrical side holes; a hydraulic rod sealing seat is arranged on the middle opening, a hydraulic cylinder penetrates through the middle opening of the hydraulic rod sealing seat, the bottom end of the hydraulic cylinder is supported on a jacking bottom plate fixed on the foundation, and the top end of the hydraulic cylinder is connected with the furnace cover; and a guide post seat is arranged on the side hole, a guide post penetrates through a hole in the middle of the guide post seat, and the top end of the guide post is connected with the furnace cover.
2. The large vacuum coating machine according to claim 1, wherein: the top end of the hydraulic cylinder is connected with the furnace cover through a circular furnace cover welding plate welded in the middle of the bottom surface of the furnace cover, and the top end of the guide column is connected with the furnace cover through a circular furnace cover welding plate welded outside the circular furnace cover welding plate in the middle of the bottom surface of the furnace cover.
3. The large vacuum coating machine according to claim 2, wherein: the connecting part of the bottom surface of the circular furnace cover welding plate and the upper end of the hydraulic cylinder is sleeved with a tubular downward protective cover, the connecting part of the top surface of the inner cylinder and the hydraulic rod sealing seat is sleeved with a tubular upward protective cover, and the shape and the size of the two protective covers are designed to enable the furnace covers to be mutually nested when the furnace covers are closed.
4. The large vacuum coating machine according to claim 3, wherein: the connecting part of the bottom surface of the circular furnace cover welding plate and the upper end of the guide post is sleeved with a tubular downward protective cover, the connecting part of the top surface of the inner barrel and the guide post seat is sleeved with a tubular upward protective cover, and the shape and the size of the two protective covers are designed to enable the furnace covers to be mutually nested when the furnace covers are closed.
5. The large vacuum coating machine according to claim 1, wherein: an annular concave ring is arranged on a hydraulic rod of the hydraulic cylinder, a hydraulic in-place locking device is arranged on the lower end face of a hydraulic rod sealing seat, and a hydraulic in-place locking shaft which is hydraulically controlled to transversely stretch and retract is arranged on the hydraulic in-place locking device and can be clamped into the annular concave ring of the hydraulic rod.
6. The large vacuum coating machine according to claim 1, wherein: the guide post is provided with a guide post shield which is a cylinder body with an opening end fixed on the lower end surface of the guide post seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570969.3U CN212955307U (en) | 2020-04-16 | 2020-04-16 | Large-scale vacuum coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570969.3U CN212955307U (en) | 2020-04-16 | 2020-04-16 | Large-scale vacuum coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212955307U true CN212955307U (en) | 2021-04-13 |
Family
ID=75341794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020570969.3U Active CN212955307U (en) | 2020-04-16 | 2020-04-16 | Large-scale vacuum coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212955307U (en) |
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2020
- 2020-04-16 CN CN202020570969.3U patent/CN212955307U/en active Active
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