CN217290308U - Eccentric positioning automatic pressing mechanism for sand core for casting - Google Patents
Eccentric positioning automatic pressing mechanism for sand core for casting Download PDFInfo
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- CN217290308U CN217290308U CN202123355033.2U CN202123355033U CN217290308U CN 217290308 U CN217290308 U CN 217290308U CN 202123355033 U CN202123355033 U CN 202123355033U CN 217290308 U CN217290308 U CN 217290308U
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- pressing
- pressing claw
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- mounting hole
- casting
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Abstract
The utility model discloses a casting technical field's an automatic hold-down mechanism of sand core eccentric positioning for casting, include: a mold support mechanism; the pressing claw rotating shaft is arranged on the die supporting mechanism; the pressing claw mechanism is arranged on the outer wall of the pressing claw rotating shaft through a bearing; the extension spring is arranged on the pressing claw mechanism and the die supporting mechanism; lever mechanism, lever mechanism installs press claw mechanism to go up, drive through stirring lever mechanism and press claw mechanism to overturn in pressing the claw pivot and fix eccentric location psammitolite, the utility model discloses utilize the lever to keep away from and control pressing the claw and fix eccentric psammitolite.
Description
Technical Field
The utility model relates to a casting technical field specifically is an automatic hold-down mechanism of sand core eccentric positioning for casting.
Background
Casting is a relatively early metal hot working process mastered by human beings, and is a method of casting liquid metal into a casting cavity adaptive to the shape of a part, and obtaining the part or a blank after the liquid metal is cooled and solidified.
Because the product core stretches into the inner chamber and has unsettled, need reach unsettled mode of department to core location department needs increase counter weight mode, but the psammitolite exists that the counter weight is first big like this: the raw materials can be wasted in the core manufacturing process, the counter weight caused by the thick large part of the core cannot be solidified, the center of gravity of the sand core is shifted, the sand core cannot be supported, the wall thickness of a casting is not enough, the casting is perforated, and the like, the core is difficult to solidify, floating sand can also affect the quality of the casting to a certain degree, and meanwhile, the labor intensity of workers in the core manufacturing and core setting process is high, and the energy consumption is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic hold-down mechanism of sand core eccentric positioning for casting, with the counter weight that proposes in solving above-mentioned background art can waste raw and other materials and can not solidify the thick major part of core and lead to in the core manufacture process inefficacy, the psammitolite focus skew, can't obtain the support again, to the not enough and phenomenons such as perforation of foundry goods wall thickness, and the solidification difficulty of coremaking, there float sand and also can cause certain influence to casting quality, the workman is big at coremaking and core setting in-process operation intensity of labour simultaneously, the problem that the energy consumption increases.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automatic hold-down mechanism of sand core eccentric positioning for casting, includes:
a mold support mechanism;
the pressing claw rotating shaft is arranged on the die supporting mechanism;
the pressing claw mechanism is arranged on the outer wall of the pressing claw rotating shaft through a bearing;
the extension spring is arranged on the pressing claw mechanism and the die supporting mechanism;
and the lever mechanism is arranged on the pressing claw mechanism, and drives the pressing claw mechanism to overturn on the pressing claw rotating shaft by stirring the lever mechanism so as to fix the core-offset positioning sand core.
Preferably, the mold supporting mechanism includes:
a mold supporting positioning plate;
the two first mounting blocks are arranged on the left side of the top of the mold supporting and positioning plate;
the first mounting hole is formed in the side face of one first mounting hole in the two first mounting blocks, and the first mounting hole penetrates through the side face of the other first mounting block;
the two second mounting blocks are arranged on the left side of the top of the mold supporting and positioning plate, and the second mounting blocks are arranged on the left side of the first mounting blocks;
two first connecting blocks, two the setting of first connecting block one-to-one is in two one side that is close to first installation piece on the second installation piece.
Preferably, the pressing claw rotating shaft includes:
a first connecting shaft;
the two threaded holes are formed in two ends of the first connecting shaft rod;
the threaded connecting shaft is installed in an inner cavity of the threaded hole in a threaded connection mode;
the baffle is arranged at one end, far away from the first connecting shaft lever, of the threaded connecting shaft.
Preferably, the pressing claw mechanism includes:
a second connecting shaft;
and the two pressing claw components are arranged at two ends of the outer wall of the second connecting shaft rod.
Preferably, the pressing claw assembly comprises:
a pressing claw body;
the second mounting hole is formed in the front surface of the pressing claw body and penetrates through the rear surface of the pressing claw body;
the third mounting hole is formed in the front surface of the pressing claw body, penetrates through the rear surface of the pressing claw body and is formed in the lower end of the second mounting hole;
the second connecting block is arranged on the left side face of the pressing claw body.
Preferably, the lever mechanism includes:
a mounting frame;
the poke rod is arranged on the inner side of the mounting rack through a shaft pin;
the transmission rod is arranged at the bottom of the outer wall of the poke rod through a shaft pin;
and the connecting hole is formed in one end, far away from the poke rod, of the outer wall of the transmission rod.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model utilizes the lever to be far away from the pressing claw to control and fix the eccentric sand core, the shifting rod is used to open the two pressing claw bodies, the sand core is placed on the top of the mould supporting and positioning plate, the shifting rod is loosened to lead the pressing claw bodies to automatically form and press under the action of the spring, the eccentric positioning sand core can also support the suspended end on the casting steel mould, and the positioning is stable and compact, the product quality is improved, the beat is improved in the core making aspect, the waste of raw materials and the energy consumption brought by the core making process are reduced, the core setting process is convenient to operate, only the lever mechanism needs to be shifted to lead the pressing hook claw to open, the pressing hook claw is automatically closed after the hands are loosened to compress the sand core, a favorable space is vacated for the core setting process, the limited space is avoided to lead the collision of the core, the quality problems of the castings caused by floating sand and collision and falling of the sand are avoided, the effective positioning can also be ensured, and the size of the casting machining allowance is controlled, time and labor are saved, and no extra matters are needed in the aspect of operation.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the mold supporting mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the pressing claw rotating shaft of the present invention;
fig. 4 is a schematic structural view of the claw pressing mechanism of the present invention;
FIG. 5 is a schematic structural view of the pressing claw assembly of the present invention;
fig. 6 is a schematic diagram of the lever mechanism of the present invention.
In the figure: 100 mould supporting mechanism, 110 mould supporting positioning plate, 120 first mounting block, 130 first mounting hole, 140 second mounting block, 150 first connecting block, 200 pressing claw rotating shaft, 210 first connecting shaft rod, 220 threaded hole, 230 threaded connecting shaft, 240 baffle, 300 pressing claw mechanism, 310 second connecting shaft rod, 320 pressing claw component, 321 pressing claw body, 322 second mounting hole, 323 third mounting hole, 324 second connecting block, 400 extension spring, 500 lever mechanism, 510 mounting rack, 520 shifting rod, 530 transmission rod and 540 connecting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an automatic hold-down mechanism of sand core eccentric positioning for casting utilizes the lever to keep away from and controls pressing the claw and fix eccentric psammitolite, please refer to figure 1, include: the mold supporting mechanism 100, the pressing claw rotating shaft 200, the pressing claw mechanism 300, the extension spring 400 and the lever mechanism 500;
referring to fig. 1-2, a mold supporting mechanism 100 includes:
a mold support positioning plate 110;
the two first mounting blocks 120 are arranged on the left side of the top of the mold supporting and positioning plate 110, and the first mounting blocks 120 and the mold supporting and positioning plate 110 are integrally processed;
the first mounting hole 130 is formed in a side surface of one first mounting hole 130 of the two first mounting blocks 120, and the first mounting hole 130 penetrates through a side surface of the other first mounting block 120;
the two second mounting blocks 140 are arranged on the left side of the top of the mold supporting and positioning plate 110, the second mounting blocks 140 are arranged on the left side of the first mounting blocks 120, and the second mounting blocks 140 and the mold supporting and positioning plate 110 are integrally machined;
the two first connecting blocks 150 are correspondingly arranged on one side of the two second mounting blocks 140 close to the first mounting block 120, and the first connecting blocks 150 and the second mounting blocks 140 are integrally processed;
referring to fig. 1-3, a pressing claw rotating shaft 200 is installed on the mold supporting mechanism 100, and the pressing claw rotating shaft 200 includes:
the first connecting shaft rod 210 is matched with the first mounting hole 130, and the first connecting shaft rod 210 is mounted in the inner cavity of the first mounting hole 130;
two threaded holes 220 are formed at both ends of the first connecting shaft rod 210;
the threaded connection shaft 230 is installed in the inner cavity of the threaded hole 220 through threaded connection;
the baffle 240 is arranged at one end of the threaded connecting shaft 230 far away from the first connecting shaft rod 210, the baffle 240 and the threaded connecting shaft 230 are integrally processed, the threaded connecting shaft 230 is screwed into the inner cavity of the threaded hole 220 through the baffle 240, and the first connecting shaft rod 210 is installed in the inner cavity of the first installation hole 130 through the threaded connecting shaft 230 and the baffle 240;
referring to fig. 1 to 5, the pressing claw mechanism 300 is mounted on the outer wall of the pressing claw rotating shaft 200 through a bearing, and the pressing claw mechanism 300 includes:
the second connecting shaft 310 is at the lower end of the first connecting shaft 210;
two pressing jaw assemblies 320 are installed at both ends of the outer wall of the second connecting shaft 310, the pressing jaw assemblies 320 including:
a pressing claw body 321;
the second mounting hole 322 is formed in the front surface of the pressing claw body 321, the second mounting hole 322 penetrates through the rear surface of the pressing claw body 321, the second mounting hole 322 is matched with the first connecting shaft rod 210, the pressing claw body 321 is mounted on the outer wall of the first connecting shaft rod 210 through the second mounting hole 322, and the pressing claw body 321 can turn over with the first connecting shaft rod 210 as an axis;
the third mounting hole 323 is formed in the front surface of the pressing claw body 321, the third mounting hole 323 penetrates through the rear surface of the pressing claw body 321, the third mounting hole 323 is formed in the lower end of the second mounting hole 322, the third mounting hole 323 is matched with the second connecting shaft rod 310, and the pressing claw body 321 is mounted on the outer wall of the second connecting shaft rod 310 through the third mounting hole 323;
the second connecting block 324 is arranged on the left side surface of the pressing claw body 321, the second connecting block 324 and the pressing claw body 321 are integrally processed, and the second connecting block 324 corresponds to the first connecting block 150;
referring to fig. 1, 2 and 5, one end of the extension spring 400 is mounted on the first connecting block 150 at the end far from the second mounting block 140, and the other end of the extension spring 400 is mounted on the second connecting block 324 at the end far from the pressing claw body 321;
referring to fig. 1 and fig. 4-6, the lever mechanism 500 is installed on the pressing claw mechanism 300, and the pressing claw mechanism 300 is driven to turn over on the pressing claw rotating shaft 200 to fix the core offset positioning sand core by toggling the lever mechanism 500, and the lever mechanism 500 includes:
a mounting frame 510;
the poke rod 520 is arranged on the inner side of the mounting rack 510 through a shaft pin, and the poke rod 520 can turn over on the mounting rack 510 through the shaft pin;
the transmission rod 530 is installed at the bottom of the outer wall of the poke rod 520 through a shaft pin, and the transmission rod 530 is driven to move through the poke rod 520;
the connecting hole 540 is formed in the outer wall of the transmission rod 530 at an end far away from the poke rod 520, the connecting hole 540 is matched with the second connecting shaft rod 310, the transmission rod 530 is mounted on the outer wall of the second connecting shaft rod 310 through the connecting hole 540, and the transmission rod 530 and the second connecting shaft rod 310 are matched to drive the pressing claw body 321 to turn around the first connecting shaft rod 210 as an axis.
When the device is used specifically, the two pressing claw bodies 321 are opened through the poke rod 520, a sand core is placed at the top of the mold supporting and positioning plate 110, the poke rod 520 is loosened, the pressing claw bodies 321 are allowed to automatically form compaction under the action of the spring, the core offset positioning sand core can also be supported at the suspended end on a casting steel mold, the positioning is stable and compact, the product quality is improved, the beat is improved in the core making aspect, the waste of raw materials and the energy consumption in the core making process are reduced, the core setting process is convenient to operate, only the lever mechanism needs to be poked to enable the pressing hook claw to be opened, the sand core is automatically closed and compacted after the hands are loosened, a favorable space is left for the core setting process, the problem that the space is limited to cause collision of a core is avoided, the problems of floating sand and casting quality caused by collision and falling of sand are reduced, the positioning effect can be ensured, the size of the machining allowance of the casting is controlled, the time and labor are saved, the operation aspect of operation, does not need manpower to do any redundant matters.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides an automatic hold-down mechanism of sand core eccentric positioning for casting which characterized in that: the method comprises the following steps:
a mold supporting mechanism (100);
the pressing claw rotating shaft (200), the pressing claw rotating shaft (200) is installed on the mold supporting mechanism (100);
the claw pressing mechanism (300) is mounted on the outer wall of the claw pressing rotating shaft (200) through a bearing;
an extension spring (400), the extension spring (400) being mounted on the pressing claw mechanism (300) and the mold supporting mechanism (100);
the lever mechanism (500) is installed on the pressing claw mechanism (300), and the pressing claw mechanism (300) is driven to turn over on the pressing claw rotating shaft (200) by shifting the lever mechanism (500) to fix the core deviation positioning sand core.
2. The eccentric positioning automatic pressing mechanism for the sand core for casting as claimed in claim 1, wherein: the mold supporting mechanism (100) includes:
a mold support positioning plate (110);
two first mounting blocks (120), wherein the two first mounting blocks (120) are arranged on the left side of the top of the mold supporting and positioning plate (110);
a first mounting hole (130), wherein the first mounting hole (130) is formed in the side surface of one first mounting hole (130) of the two first mounting blocks (120), and the first mounting hole (130) penetrates through the side surface of the other first mounting block (120);
two second mounting blocks (140), two of the second mounting blocks (140) being disposed on the top left side of the mold support positioning plate (110), the second mounting blocks (140) being on the left side of the first mounting blocks (120);
the two first connecting blocks (150) are arranged on one side, close to the first mounting block (120), of the two second mounting blocks (140) in a one-to-one correspondence mode.
3. The eccentric positioning automatic pressing mechanism for the sand core for casting as claimed in claim 2, wherein: the pressing claw rotating shaft (200) comprises:
a first connecting shaft (210);
two threaded holes (220), wherein the two threaded holes (220) are formed at two ends of the first connecting shaft rod (210);
the threaded connecting shaft (230) is mounted in an inner cavity of the threaded hole (220) through threaded connection;
a baffle (240), the baffle (240) disposed on an end of the threaded connecting shaft (230) distal from the first connecting shaft (210).
4. The eccentric positioning automatic pressing mechanism for the sand core for casting as claimed in claim 3, wherein: the claw pressing mechanism (300) comprises:
a second connecting shaft (310);
two clamping jaw assemblies (320), wherein the two clamping jaw assemblies (320) are arranged at two ends of the outer wall of the second connecting shaft rod (310).
5. The eccentric positioning automatic pressing mechanism for the sand core for casting as claimed in claim 4, wherein: the clamping jaw assembly (320) comprises:
a pressing claw body (321);
the second mounting hole (322) is formed in the front surface of the pressing claw body (321), and the second mounting hole (322) penetrates through the rear surface of the pressing claw body (321);
a third mounting hole (323), wherein the third mounting hole (323) is formed in the front surface of the pressing claw body (321), the third mounting hole (323) penetrates through the rear surface of the pressing claw body (321), and the third mounting hole (323) is formed in the lower end of the second mounting hole (322);
a second connecting block (324), wherein the second connecting block (324) is arranged on the left side surface of the pressing claw body (321).
6. The eccentric positioning automatic pressing mechanism for the sand core for casting as claimed in claim 5, wherein: the lever mechanism (500) comprises:
a mounting frame (510);
the poke rod (520) is mounted on the inner side of the mounting frame (510) through a shaft pin;
the transmission rod (530) is mounted at the bottom of the outer wall of the poke rod (520) through a shaft pin;
the connecting hole (540) is formed in the outer wall of the transmission rod (530), and one end, far away from the poke rod (520), of the connecting hole (540) is formed in the outer wall of the transmission rod (530).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123355033.2U CN217290308U (en) | 2021-12-28 | 2021-12-28 | Eccentric positioning automatic pressing mechanism for sand core for casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123355033.2U CN217290308U (en) | 2021-12-28 | 2021-12-28 | Eccentric positioning automatic pressing mechanism for sand core for casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217290308U true CN217290308U (en) | 2022-08-26 |
Family
ID=82923361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123355033.2U Active CN217290308U (en) | 2021-12-28 | 2021-12-28 | Eccentric positioning automatic pressing mechanism for sand core for casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217290308U (en) |
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2021
- 2021-12-28 CN CN202123355033.2U patent/CN217290308U/en active Active
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