CN212495238U - Upper core box lifting mechanism for core making machine - Google Patents
Upper core box lifting mechanism for core making machine Download PDFInfo
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- CN212495238U CN212495238U CN202020246394.XU CN202020246394U CN212495238U CN 212495238 U CN212495238 U CN 212495238U CN 202020246394 U CN202020246394 U CN 202020246394U CN 212495238 U CN212495238 U CN 212495238U
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Abstract
The utility model provides an upper core box lifting mechanism for a core making machine, which comprises a U-shaped synchronous frame, wherein the synchronous frame comprises two rotating arms and a rotating shaft, and one ends of the two rotating arms are respectively and vertically connected with two ends of the rotating shaft; the rotating shaft is horizontally arranged on one side of the top of the core making machine frame, and the synchronous frame can rotate around the central axis of the rotating shaft; the other end of each rotating arm is respectively rotatably connected with a lifting frame, and the lifting frames are vertically arranged; a lifting oil cylinder is arranged in the lifting frame, the lifting oil cylinder is vertically arranged on a side cross column of the frame, and the output end of the lifting oil cylinder is connected with the lower end of the lifting frame; the bottom of the lifting frame is provided with a locking mechanism, and the locking mechanisms of the two lifting frames are correspondingly arranged. The utility model adds the U-shaped synchronous frame to assist the lifting frame to move up and down, ensures the synchronous lifting of the two lifting frames, and effectively ensures the stable movement of the core feeding box; and the two lifting frames are adopted to bear the upper core box together, and the sand shooting mechanism and the air blowing mechanism are arranged in the space between the two lifting frames, so that the volume of the equipment is reduced, and the occupied space of the equipment is reduced.
Description
Technical Field
The utility model relates to a core making equipment technical field, concretely relates to core making machine is with last core box hoist mechanism.
Background
The lifting mechanism of the upper core box of the mold, the sand shooting mechanism and the air blowing mechanism are all arranged at the upper part of the core making machine, when the sand shooting mechanism and the air blowing mechanism work, the sand shooting mechanism and the air blowing mechanism move horizontally to align the mold alternately, and the lifting mechanism of the upper core box needs to move the upper core box up and down to realize the opening and closing of the mold. Because the internal space of the frame is limited, the movement of the upper core box lifting mechanism, the sand shooting mechanism and the blowing mechanism is mutually limited, and the design requirement on the core making machine is higher. Although the lifting mechanism in the prior art can meet the basic lifting requirement of the upper core box, the lifting mechanism drives the upper core box to have poor moving stability, so that the upper core box and the lower core box are not aligned accurately, and the reject ratio and the production cost of products are improved; and the volume is larger, and the requirement on the equipment placing space is higher.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the above-mentioned prior art, the utility model provides a last core box hoist mechanism for core making machine, it is steady to go up the core box and remove, and is small, has reduced equipment occupation space.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a core box lifting mechanism for a core making machine comprises a U-shaped synchronous frame, wherein the synchronous frame comprises two rotating arms and a rotating shaft, and one ends of the two rotating arms are respectively and vertically connected with two ends of the rotating shaft;
the rotating shaft is horizontally arranged on one side of the top of the core making machine frame, and the synchronous frame can rotate around the central axis of the rotating shaft;
the other end of each rotating arm is rotatably connected with a lifting frame, and the two lifting frames are vertically arranged on two corresponding sides of the rack respectively;
a lifting oil cylinder is arranged in the lifting frame, the lifting oil cylinder is vertically arranged on a side cross column of the rack, and the output end of the lifting oil cylinder is connected with the lower end of the lifting frame;
the bottom of the lifting frame is provided with locking mechanisms, and the two locking mechanisms of the lifting frame are correspondingly arranged.
Furthermore, two bearing seats are arranged at the top of the rack, and two ends of the rotating shaft extend to two sides and are respectively rotatably installed in the two bearing seats.
Furthermore, the lifting frame comprises a top frame, a connecting plate and two vertical guide rods, the upper ends of the two guide rods are respectively and vertically connected with the two ends of the top frame, and the lower ends of the two guide rods respectively penetrate through the corresponding side transverse columns and are vertically connected with the two ends of the connecting plate;
furthermore, one end of the top frame, which is far away from the synchronous frame, is provided with a position sensor, and the position sensor is connected with the lifting oil cylinder.
Furthermore, the locking mechanism comprises a locking oil cylinder, a driving plate and two locking columns, the locking oil cylinder is arranged in the middle of the bottom of the connecting plate, the driving plate is arranged on one side, away from the other connecting plate, of the connecting plate, the output end of the locking oil cylinder is vertically connected with the middle of the driving plate, and one end of each of the two locking columns is connected with the two ends of the driving plate respectively.
Furthermore, two guide blocks are arranged at the bottom of the connecting plate at intervals and are matched with the two locking columns, and one end, far away from the driving plate, of each locking column penetrates through the corresponding guide block and can horizontally move in the corresponding guide block.
Furthermore, two the relative one side of connecting plate all is equipped with the screens groove, two the screens groove forms the district of placing of upper core box jointly.
Compared with the prior art, the utility model has the beneficial technical effects that: the lifting mechanism of the upper core box for the core making machine is provided with the U-shaped synchronous frame to assist the lifting frame to move up and down, so that the two lifting frames can be lifted synchronously, and the stable movement of the upper core box can be effectively ensured; and the two lifting frames are adopted to bear the upper core box together, and the sand shooting mechanism and the air blowing mechanism are arranged in the space between the two lifting frames, so that the volume of the equipment is reduced, and the occupied space of the equipment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic front view of an embodiment of the present invention;
fig. 3 is a schematic right view of the embodiment of the present invention.
In the figure: the device comprises a synchronous frame 1, a synchronous frame 2, a bearing seat 3, a top frame 3, a lifting oil cylinder 4, a connecting plate 5, a driving plate 6, a guide block 7, a locking column 8, a locking oil cylinder 9, a clamping groove 10, a guide rod 11, a position sensor 12, a Y-shaped joint 13, a lifting frame 14, a rotating shaft 15, a rotating arm 16 and a locking mechanism 17.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, an upper core box lifting mechanism for a core making machine comprises a U-shaped synchronizing frame 1, wherein the synchronizing frame 1 is an integrally formed part;
specifically, the synchronous frame 1 comprises two rotating arms 16 and a rotating shaft 15, wherein one ends of the two rotating arms 16 are respectively and vertically connected with two ends of the rotating shaft 15;
the rotating shaft 15 is horizontally arranged on one side of the top of the frame of the core making machine, the synchronous frame 1 can rotate around the central axis of the rotating shaft 15, and when the synchronous frame 1 rotates around the central axis of the rotating shaft 15, the two rotating arms 16 keep rotating synchronously;
the other end of each rotating arm 16 is respectively rotatably connected with a lifting frame 14 through a Y-shaped joint 13 and a pin shaft, and the two lifting frames 14 are respectively vertically arranged at two corresponding sides of the rack; when the lifting frame 14 drives the other end of the rotating arm 16 to lift, the height of the other end of the rotating arm 16 is unchanged, the other end of the rotating arm 16 and the top of the lifting frame 14 rotate relatively to adapt to the rotating angle of the rotating arm 16, the rotating arm 16 is prevented from being damaged, and the lifting frame 14 is vertically arranged to ensure that the upper core box is lifted vertically;
a lifting oil cylinder 4 is arranged in the lifting frame 14, the lifting oil cylinder 4 is vertically arranged on a side cross column of the rack, the output end of the lifting oil cylinder 4 is connected with the lower end of the lifting frame 14, and the lifting oil cylinder 4 can drive the lifting frame 14 to move up and down to realize the lifting of the upper core box;
the bottom of the lifting frame 14 is provided with locking mechanisms 17, the locking mechanisms 17 of the two lifting frames 14 are correspondingly arranged, the two locking mechanisms 17 can respectively act on two ends of the upper core box, and the upper core box is fixed or loosened under the combined action of the two locking mechanisms 17;
when the lifting mechanism works, the locking mechanism 17 controls the upper core box to be clamped or loosened, and the lifting oil cylinder 4 drives the lifting frame 14 to drive the locking mechanism 17 and the upper core box to lift synchronously; in the lifting process, because the two locking mechanisms 17 respectively act on two ends of the upper core box, the two lifting frames 14 driving the two locking mechanisms 17 to move must keep lifting synchronization, and the upper core box can be ensured to be kept horizontal in the lifting process;
due to the design of the U-shaped synchronous frame 1 on the top of the rack, when the lifting cylinder 4 drives the lifting frame 14 to move up and down, the lifting frame 14 drives the rotating arm 16 connected with the lifting frame to rotate around the central axis of the rotating shaft, so that the synchronous movement of the two lifting frames 14 is effectively ensured; and the synchronous frame 14 is arranged on one side of the top of the frame, the two lifting frames 14 are respectively arranged on the corresponding two sides of the frame, and the sand shooting mechanism and the air blowing mechanism can be arranged between the synchronous frame and the lifting frames, so that the volume of the equipment is reduced, and the mutual limitation of the movement of the upper core box and the movement of the sand shooting mechanism and the air blowing mechanism is avoided.
The utility model discloses an in the embodiment, the top of frame is equipped with two bearing frame 2, and the both ends of pivot 15 extend to both sides to rotatable the installing in two bearing frame 2 respectively, bearing frame 2 is used for installing pivot 15, realizes the relative frame axial rotation of pivot 15.
Preferably, the lifting frame 14 comprises a top frame 3, a connecting plate 5 and two vertical guide rods 11, wherein the upper ends of the two guide rods 11 are respectively and vertically connected with the two ends of the top frame 3, and the lower ends of the two guide rods 11 respectively penetrate through the corresponding lateral cross columns and are vertically connected with the two ends of the connecting plate 5;
the rotating arm 16 is connected with the top of the corresponding top frame 3, the locking mechanism 17 is arranged on the lower side of the connecting plate 5, and the output end of the lifting oil cylinder 4 is connected with the middle part of the corresponding connecting plate 5, so that the lifting frame 14 is stressed in a balanced manner in the driven process; in the process that the lifting oil cylinder 4 drives the lifting frame 14 to move up and down, the guide rod 11 lifts in the corresponding side cross column, and plays a role in guiding the movement of the lifting frame 14, so that the lifting frame 14 is ensured to lift vertically.
In another embodiment of the present invention, one end of the top frame 3 away from the synchronization frame 1 is provided with a position sensor 12, the position sensor 12 is connected to the lift cylinder 4, which can sense the height of the lift frame 14 and control the work of the lift cylinder 4, so as to realize the precise control of the moving position of the upper core box.
Optionally, the locking mechanism 17 comprises a locking cylinder 9, a driving plate 6 and two locking columns 8, the locking cylinder 9 is arranged in the middle of the bottom of the connecting plate 5, the driving plate 6 is arranged on one side of the connecting plate 5 far away from the other connecting plate 5, the output end of the locking cylinder 9 is vertically connected with the middle of the driving plate 6, and one end of each of the two locking columns 8 is respectively connected with two ends of the driving plate 6;
four locking posts 8 borne by the two driving plates 6 respectively correspond to four corners of the upper core box, and the locking oil cylinder 9 can drive the driving plates 6 to drive the locking posts 8 to horizontally move, so that the two locking mechanisms 17 are opened and closed to fix or loosen the upper core box.
Preferably, two guide blocks 7 are arranged at the bottom of the connecting plate 5 at intervals, the two guide blocks 7 are matched with two locking columns 8, and one end of each locking column 8, which is far away from the driving plate 6, penetrates through the corresponding guide block 7 and can horizontally move in the corresponding guide block 7; the guide block 7 can limit the moving direction of the locking column 8 and ensure that the locking column 8 moves horizontally.
In some embodiments of the present invention, the two opposite sides of the two connecting plates 5 are provided with the two locking grooves 10, and the two locking grooves 10 together form a placing area of the upper core box; when the lifting frame 14 drives the upper core box to move up and down, the clamping groove 10 can prevent the upper core box from falling, further improve the firmness of the upper core box fixation, share a part of gravity applied to the locking column 8 by the upper core box, and prolong the service life of the equipment.
The lifting mechanism of the upper core box for the core making machine is provided with the U-shaped synchronous frame to assist the lifting frame to move up and down, so that the two lifting frames can be lifted synchronously, and the stable movement of the upper core box can be effectively ensured; and the two lifting frames are adopted to bear the upper core box together, and the sand shooting mechanism and the air blowing mechanism are arranged in the space between the two lifting frames, so that the volume of the equipment is reduced, and the occupied space of the equipment is reduced.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The upper core box lifting mechanism for the core making machine is characterized by comprising a U-shaped synchronous frame, wherein the synchronous frame comprises two rotating arms and a rotating shaft, and one ends of the two rotating arms are respectively and vertically connected with two ends of the rotating shaft;
the rotating shaft is horizontally arranged on one side of the top of the core making machine frame, and the synchronous frame can rotate around the central axis of the rotating shaft;
the other end of each rotating arm is rotatably connected with a lifting frame, and the two lifting frames are vertically arranged on two corresponding sides of the rack respectively;
a lifting oil cylinder is arranged in the lifting frame, the lifting oil cylinder is vertically arranged on a side cross column of the rack, and the output end of the lifting oil cylinder is connected with the lower end of the lifting frame;
the bottom of the lifting frame is provided with locking mechanisms, and the two locking mechanisms of the lifting frame are correspondingly arranged.
2. A core box lifting mechanism for a core making machine according to claim 1, wherein two bearing seats are provided at the top of said machine frame, and both ends of said rotary shaft extend to both sides and are rotatably mounted in said two bearing seats, respectively.
3. A core box lifting mechanism for a core making machine according to claim 1, wherein said lifting frame comprises a top frame, a connecting plate and two vertical guide rods, the upper ends of said two guide rods are respectively connected vertically to two ends of said top frame, and the lower ends thereof respectively penetrate through corresponding said side cross-posts and are respectively connected vertically to two ends of said connecting plate.
4. A core box lifting mechanism for a core making machine as claimed in claim 3 wherein one end of one of said headframes remote from said synchronization frame is provided with a position sensor, said position sensor being connected to said lift cylinder.
5. A core box lifting mechanism for a core making machine according to claim 3, wherein said locking mechanism comprises a locking cylinder, a driving plate and two locking columns, said locking cylinder is disposed in the middle of the bottom of said connecting plate, said driving plate is disposed on one side of said connecting plate away from the other of said connecting plates, the output end of said locking cylinder is vertically connected to the middle of said driving plate, and one end of each of said two locking columns is connected to each of the two ends of said driving plate.
6. A core box lifting mechanism for a core making machine as claimed in claim 5 wherein the bottom of said connecting plate is provided at intervals with two guide blocks, said two guide blocks are arranged to match with said two locking posts, and the end of said locking post remote from said driving plate passes through the corresponding guide block and can move horizontally in said guide block.
7. A core box lifting mechanism as claimed in claim 3, wherein two of said connecting plates are provided with a blocking groove on opposite sides, both said blocking grooves together forming a core box placement area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020246394.XU CN212495238U (en) | 2020-03-03 | 2020-03-03 | Upper core box lifting mechanism for core making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020246394.XU CN212495238U (en) | 2020-03-03 | 2020-03-03 | Upper core box lifting mechanism for core making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212495238U true CN212495238U (en) | 2021-02-09 |
Family
ID=74387263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020246394.XU Active CN212495238U (en) | 2020-03-03 | 2020-03-03 | Upper core box lifting mechanism for core making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212495238U (en) |
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2020
- 2020-03-03 CN CN202020246394.XU patent/CN212495238U/en active Active
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