CN211101537U - Lead mould casting mould - Google Patents
Lead mould casting mould Download PDFInfo
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- CN211101537U CN211101537U CN201920964501.XU CN201920964501U CN211101537U CN 211101537 U CN211101537 U CN 211101537U CN 201920964501 U CN201920964501 U CN 201920964501U CN 211101537 U CN211101537 U CN 211101537U
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Abstract
The utility model relates to a lead mould casting mould. The lead mold casting mold comprises a base and a mold barrel, wherein the mold barrel is provided with exhaust holes penetrating through the barrel wall of the mold barrel, the mold barrel is provided with a hoisting positioning structure used for supporting and positioning the lead mold tubular insert so as to enable the bottom of the lead mold tubular insert to be spaced from the base, the base is also provided with a mold core used for forming an annular casting channel with the inner wall surface of the lead mold tubular insert, and the top of the mold barrel is provided with a pouring gate used for casting lead liquid into the lead mold tubular insert. The mold core and the inner wall surface of the lead mold tubular insert form a pouring channel, the lead mold tubular insert is arranged on the mold cylinder through the hoisting positioning structure, a gap is formed between the bottom of the lead mold tubular insert and the base, the pouring channel is communicated with the interior of the mold cylinder through the gap, lead liquid flows from the pouring gate to the interior of the lead mold tubular insert during pouring, the lead liquid cannot flow out along the exhaust holes during pouring, and the problem that the lead liquid flows out from the exhaust holes during pouring of the lead liquid in the prior art to cause pollution is solved.
Description
Technical Field
The utility model relates to a metal casting field especially relates to a lead mould casting mould.
Background
During the well drilling process of the oil well, tools often fall into the oil well, at the moment, a lead mold needs to be lowered to detect the shape of the falling object in the oil well, and in addition, in order to judge the damage type and the section shape of the casing, the lead mold needs to be lowered to judge during the well repairing process. Therefore, the lead mould is one of the necessary tools for ensuring the smooth exploitation of petroleum; because the characteristic of lead mould can only be used once, visit in the pit every time and all need change new lead mould, if directly purchase finished product lead mould, overhaul with high costs and used lead mould can the polluted environment, in order to reduce the overhaul cost and prevent the pollution that the lead mould caused, often make the lead mould at the overhaul scene at present.
The invention patent application with the application publication number of CN106607566A provides a lead mold, which comprises a base and an injection cylinder embedded in the base, wherein the injection cylinder is a mold cylinder for molding a lead mold, the mold cylinder is provided with an exhaust hole penetrating through the cylinder wall of the mold cylinder, the lead mold also comprises a mold core for positioning a tubular insert of the lead mold, when the lead mold is used, the upper end of the tubular insert of the lead mold is in threaded connection with a supporting sliding sleeve, then the tubular insert of the lead mold is sleeved on the mold core, the supporting sliding sleeve is also provided with a supporting rod erected on the upper end surface of the mold cylinder, the tubular insert of the lead mold is positioned and assembled in the mold cylinder through the matching of the supporting sliding sleeve and the mold core, and meanwhile, the bottom of the tubular insert of the lead mold has a certain distance from the base, so that the lower part of the tubular insert also has a part of lead blocks, and the condition of fish falling can be accurately reflected during exploration.
When the lead mould is used, the lead liquid is poured into the mould cylinder through the upper part of the mould cylinder, the pouring is stopped when the lead liquid reaches the steam injection port, and the lead mould is formed by demoulding after the lead liquid is solidified. However, the lead mould manufactured by the lead mould only has the contact between the outer wall surface of the tubular insert of the lead mould and lead liquid, the structural strength is low, a certain impact force is required to be applied to form a lead seal when the lead mould is put into a well for inspection, the lead block is easily separated from the tubular insert of the lead mould, and in order to enhance the connection tightness of the lead block and the tubular insert of the lead mould, a certain gap is often left between the mould core and the tubular insert of the lead mould for lead liquid to flow into, the contact area of the lead block and the tubular insert of the lead mould is increased, and the lead block is not easy to fall off. When the lead mold is used for casting, as the lead liquid enters the mold cylinder from the outside of the lead mold tubular insert, the lead liquid is easy to contact with the inner wall surface of the mold cylinder and flows downwards along the inner wall surface, and flows out of the exhaust hole when flowing to the exhaust hole, so that the lead liquid is wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lead mould casting mould for lead liquid is caused the extravagant problem of lead liquid by exhaust hole outflow when pouring lead liquid among the solution prior art.
In order to achieve the above object, the utility model discloses lead mold casting mould's technical scheme is: the lead mold casting mold comprises:
a base;
the mold cylinder is detachably connected with the base and is provided with an exhaust hole penetrating through the cylinder wall of the mold cylinder;
the mould barrel is provided with a hoisting and positioning structure for hoisting and positioning the lead mould tubular insert so as to enable the bottom of the lead mould tubular insert to be spaced from the base, the base is also provided with a mould core for forming an annular pouring channel with the inner wall surface of the lead mould tubular insert, and the top of the mould barrel is provided with a pouring gate for pouring lead liquid into the lead mould tubular insert.
The utility model discloses lead mould casting mould's beneficial effect is: the mold core and the inner wall surface of the lead mold tubular insert form a pouring channel, the lead mold tubular insert is arranged on the mold cylinder through the hoisting positioning structure, a gap is formed between the bottom of the lead mold tubular insert and the base, the pouring channel is communicated with the interior of the mold cylinder through the gap, and lead liquid flows from the pouring gate to the interior of the lead mold tubular insert during pouring, so that only a small amount of lead liquid flows out along the exhaust holes during pouring, and the problem of lead liquid waste caused by lead liquid outflow during pouring of the lead liquid in the prior art is solved.
Furthermore, the mould cylinder comprises a forming cylinder with a forming cavity and a hoisting positioning cylinder which is arranged on the forming cylinder in a split supporting manner, the sprue is arranged at the top of the hoisting positioning cylinder, the hoisting positioning cylinder forms the hoisting positioning structure, the hoisting positioning cylinder comprises a circumferential positioning part which is used for positioning and matching with the outer wall surface of the lead mould tubular insert to enable the lead mould tubular insert to be coaxial with the mould core, the hoisting positioning cylinder also comprises a fixing part which is used for fixing the lead mould tubular insert to enable the bottom of the lead mould tubular insert to keep a fixed interval with the base, and the mould cylinder hoists the lead mould tubular insert through the fixing part; the hoisting positioning cylinder and the forming cylinder are arranged in a split mode, the lead mould tubular insert is conveniently placed into the forming cylinder, the circumferential positioning part on the hoisting positioning cylinder enables the lead mould tubular insert to be coaxial with the mould core, the produced lead mould has high concentricity, subsequent processing steps are reduced, the fixing part on the hoisting positioning cylinder enables the bottom of the lead mould tubular insert to be spaced from the base, and smooth flowing of lead liquid is guaranteed.
Further, the hoisting positioning cylinder comprises a supporting sleeve supported and assembled on the upper part of the die cylinder, the circumferential positioning part is arranged on the supporting sleeve, a fixing sleeve is arranged on the supporting sleeve in a sitting mode, and the fixing part is arranged on the fixing sleeve; the supporting sleeve and the fixing sleeve are used for realizing the functions of circumferential positioning and fixing respectively, so that the position of the lead mould tubular insert is convenient to adjust, the concentricity of the lead mould tubular insert and the mould core is improved, and meanwhile, the lower part of the lead mould tubular insert can be ensured to have sufficient intervals.
Further, a circumferential positioning part is arranged at the upper part of the supporting sleeve, and the inner wall surface of the circumferential positioning part is used for positioning the lead mould tubular insert; the inner wall surface of the circumferential positioning part directly positions the tubular insert of the lead mould, so that the contact area is large, and the positioning is easier.
Furthermore, the hoisting positioning cylinder is also provided with an axial positioning part used for positioning and matching with the end part of the lead mould tubular insert, the top of the lead mould tubular insert is positioned through the axial positioning part, and a fixed interval is formed between the bottom of the lead mould tubular insert and the base, so that the lead liquid smoothly flows.
Furthermore, a screw hole penetrating through the cylinder wall of the fixing part is formed in the fixing part, and a bolt penetrating through the screw hole and used for tightly pressing the tubular insert of the lead mould in the fixing part is installed on the fixing part; the tubular insert of the lead mould is tightly pressed through the bolt, the structure is simple, and the disassembly is convenient.
Further, the fixed sleeve comprises a cylinder and a funnel arranged at the top of the cylinder, and an opening at the top of the funnel forms the pouring gate; the funnel is arranged to facilitate the lead liquid to flow into the annular pouring channel.
Furthermore, a positioning step surface used for being matched with the lead mould tubular insert in an axial positioning mode is arranged at the joint of the barrel and the funnel in the fixing sleeve, the positioning step surface forms the axial positioning part, and the positioning step surface is arranged at the joint of the barrel and the funnel to form the axial positioning part, so that the lead mould tubular insert can be inserted into the top of the fixing sleeve, the structure of the casting mould is more compact, the step surface is simple in structure, and the processing is convenient.
Further, the radial size of the mold core is gradually increased from top to bottom; the size of the mold core is gradually increased from top to bottom, so that the demolding is facilitated.
Furthermore, the inner wall surface of the part of the die cylinder for molding the lead die is a conical surface which is gradually inclined from top to bottom and from inside to outside, so that the lead die can be conveniently separated from the die cylinder.
Drawings
Fig. 1 is a schematic view of an embodiment of a lead mold casting mold according to the present invention;
wherein: 1-funnel, 2-mold core, 3-bolt, 4-support sleeve, 5-lead mold tubular insert, 6-forming cylinder, 7-base, 8-pin and 9-fixing sleeve.
Detailed Description
The following describes an embodiment of the lead mold casting mold of the present invention with reference to the drawings.
The embodiment of the utility model discloses lead mould casting mould, as shown in fig. 1, including base 7 and the mould section of thick bamboo of setting on base 7, still be provided with on the base 7 with the coaxial mold core 2 of mould section of thick bamboo, be provided with the exhaust hole that runs through a section of thick bamboo wall on the section of thick bamboo wall of mould section of thick bamboo.
The mould barrel comprises a forming barrel 6 which is detachably connected with a base 7 through a pin 8, the exhaust hole is formed in the forming barrel 6, and the forming barrel 6 is a main body of a formed lead mould. The lead mould tubular insert 5 of the lead mould is required to be sleeved on the mould core 2 during pouring, in order to enable the inner side and the outer side of the lead mould tubular insert 5 to be provided with lead liquid, the connection tightness between the lead liquid and the lead mould tubular insert 5 is enhanced, and a lead block on the lead mould tubular insert 5 is not easy to fall off when the lead mould is used, the size of the mould core 2 in the embodiment is smaller than that of the lead mould tubular insert 5, and an annular pouring channel is formed between the inner wall surface of the lead mould tubular insert 5 and the mould core 2, so that the lead mould casting mould in the embodiment does not depend on the mould core 2 to position the lead mould tubular insert 5.
In order to ensure the positioning and fixing of the lead mould tubular insert 5 in the mould cylinder, the mould cylinder also comprises a hoisting positioning cylinder which is supported and assembled on the forming cylinder 6, and the hoisting positioning cylinder forms a hoisting positioning structure for supporting and positioning the lead mould tubular insert 5.
The hoisting positioning cylinder comprises a supporting sleeve 4 with the lower end supported and assembled on a forming cylinder 6. The supporting sleeve 4 comprises an upper barrel body and a lower barrel body which are coaxially arranged, the upper barrel body and the lower barrel body are connected through an annular flat plate, and the inner barrel wall of the lower barrel body can form clearance fit with the periphery of the forming barrel 6, so that the supporting sleeve 4 is coaxial with the forming barrel 6; the annular flat plate is in supporting fit with the upper end face of the forming cylinder 6, and the supporting sleeve 4 is arranged on the forming cylinder 6 in an annular flat plate shape; the upper sleeve of the support sleeve 4 is in positioning fit with the outer wall surface of the lead-mode tubular insert 5 to position the lead-mode tubular insert 5, and the upper sleeve forms an axial positioning part for circumferentially positioning the lead-mode tubular insert 5. The support sleeve 4 enables the lead mould tubular insert 5 to be coaxial with the forming cylinder 6, the concentricity of the cast lead mould is high, and the processing amount of the lead mould at the later stage is reduced.
The hoisting positioning cylinder also comprises a fixed sleeve 9 with the lower end supported and assembled on the supporting sleeve 4. After the lead mould tubular insert 5 is circumferentially positioned, the lead mould tubular insert 5 needs to be axially positioned, and the fixing sleeve 9 is arranged on the supporting sleeve 4 to axially position the lead mould tubular insert 5.
The fixing sleeve 9 comprises a cylinder body and a funnel 1 arranged at the top of the cylinder body, so that lead liquid is poured into the lead mould tubular insert 5 conveniently, the top opening of the funnel 1 forms a pouring gate, and the lead liquid can flow into the annular pouring channel conveniently.
The lower end face of the cylinder of the fixing sleeve 9 is directly contacted with the upper end face of the upper cylinder of the supporting sleeve 4, and the fixing sleeve 9 is seated on the supporting sleeve 4 through the lower end face. The fixing sleeve 9 and the supporting sleeve 4 can be connected without other connecting structures, and later-period disassembly is facilitated.
The fixing sleeve 9 is provided with a positioning step surface protruding towards the inside of the fixing sleeve 9 at the joint of the cylinder and the funnel 1, and the positioning step surface forms an axial positioning part for axially positioning the lead mould tubular insert 5. And meanwhile, the positioning step surface can also shield the external thread of the lead mould tubular insert 5, so that lead liquid is prevented from entering the external thread. A positioning step surface is arranged at the joint of the barrel body of the fixing sleeve 9 and the funnel 1 to form an axial positioning part, so that the lead mould tubular insert 5 can be inserted into the top of the fixing sleeve 9, the structure of the casting mould is more compact, the step surface is simple in structure, and the processing is convenient. The lower end of the lead mould tubular insert 5 is ensured to form a fixed interval with the base 7 by the circumferential positioning part, so that the lead liquid can flow into the forming cylinder 6.
The wall of the fixing sleeve 9 forms a fixing part for fixing the lead mould tubular insert 5, the fixing part is provided with a screw hole penetrating through the wall of the fixing sleeve 9, and the wall of the fixing sleeve 9 is provided with a bolt 3 penetrating through the screw hole to press the lead mould tubular insert 5 in the fixing part.
The fixed part on the fixed sleeve 9 can fix the lead mould tubular insert 5 in the mould, and the bottom of the lead mould tubular insert 5 and the base 7 keep a fixed interval, so that the inside of the lead mould tubular insert 5 and the inside of the mould cylinder are mutually communicated, lead liquid is poured into the annular pouring channel during pouring, the lead liquid can enter the mould cylinder along the fixed interval, and the leakage of the lead liquid from the exhaust hole during pouring into the mould cylinder from the outside of the lead mould tubular insert in the prior art is avoided.
The radial size of the mold core 2 is gradually increased from top to bottom, so that the mold core 2 is convenient to demould downwards during demoulding; the length of the mold core 2 is larger than the height from the vent on the molding cylinder 6 to the bottom of the molding cylinder 6, and after demolding, a through water hole can be naturally formed without secondary processing of a lead mold to form the water hole. The inner wall surface of the forming tube 6 is a conical surface which is gradually inclined from top to bottom and from inside to outside, and the taper of the conical surface is 1:10, so that a lead mould can be conveniently separated from the forming tube 6.
The pin 8 can be relatively fixed with a mould section of thick bamboo with the base, improves the precision of pouring out the lead mould.
The lower end of the lead mould tubular insert 5 is provided with a suspension claw which increases the contact area with the lead liquid, so that the produced lead mould has higher compactness.
The lead mold casting mold of the utility model needs to fix the lead mold tubular insert 5 inside the forming cylinder 6 before casting, the concrete steps are that firstly, the base 7 is connected with the forming cylinder 6 through the pin 8, then the supporting sleeve 4 is sleeved on the outer wall surface of the supporting sleeve 4 from the upper end of the lead mould tubular insert 5, because the overhanging claws are arranged at the lower part of the lead mould tubular insert 5, the supporting sleeve 4 can not be separated from the lower end of the lead mould tubular insert 5, then the upper end of the lead mould tubular insert 5 is inserted into the fixed sleeve 9, when the lead mould tubular insert 5 contacts the positioning step surface on the funnel 1, the lead mould tubular insert 5 is pressed in the fixing sleeve 9 by using the bolt 3, then the lead mould tubular insert 5, the supporting sleeve 4 and the fixing sleeve 9 are integrally placed in the forming cylinder 6, and the supporting sleeve 4 is seated on the forming cylinder 6, so that the whole lead mould casting mould is assembled.
When the pouring is needed, the lead liquid is poured into the funnel, enters the forming cylinder along the inside of the lead mould tubular insert, stops pouring when the lead liquid flows out of the exhaust port, and is demoulded after the lead liquid is solidified. The utility model discloses a lead mould casting mold, only a small amount of lead liquid flows when the pouring, and the drawing of patterns is simple, and the lead mould concentricity that obtains is high, has reduced later stage lathe work's the degree of difficulty, has improved the qualification rate of product, has obtained the lead mould water hole in addition unobstructed, does not need secondary operation, has improved production efficiency.
In other embodiments, the hoisting positioning cylinder can be integrated with the forming cylinder, the installation mode of the lead mold tubular insert needs to be adjusted at the moment, the lower part of the lead mold tubular insert is provided with the overhanging claw, the lead mold tubular insert cannot be installed into the forming cylinder from the upper part of the hoisting positioning cylinder, the lead mold tubular insert needs to be inserted into the forming cylinder from the lower part of the forming cylinder at the moment, and then the lead mold tubular insert is tightly pressed in the hoisting positioning cylinder by the bolt on the hoisting positioning cylinder.
In other embodiments, the support sleeve for lifting and positioning the cylinder may not be seated on the upper end surface of the mold cylinder, for example, a boss is provided on the outer wall surface of the mold cylinder, and the lower portion of the support sleeve is seated on the boss. Or the supporting sleeve is not connected with the die cylinder in a sitting mode, the supporting sleeve is provided with an internal thread, the upper end of the die cylinder is provided with an external thread, and the supporting sleeve is connected with the die cylinder in a threaded connection mode.
In other embodiments, the retaining sleeve may be connected to the support sleeve other than by being seated, such as by threading.
In other embodiments, an internal thread matched with an external thread on the upper part of the lead mould tubular insert can be arranged on the upper part of the hoisting positioning cylinder, and the internal thread directly positions and fixes the lead mould tubular insert, so that a circumferential fixing part, an axial positioning part and a positioning part are formed.
In other embodiments, the hoisting positioning cylinder can also be directly arranged into an integrated structure.
In other embodiments, the funnel is not provided, and the lead liquid can be directly poured into the lead mould tubular insert, and the upper opening of the lead mould tubular insert forms a pouring gate.
In other embodiments, the mold core can also be a mold core with the same upper and lower sizes; the inner wall surface of the molding tube may be a straight surface.
Claims (10)
1. A lead casting mold, comprising:
a base;
the mold cylinder is detachably connected with the base and is provided with an exhaust hole penetrating through the cylinder wall of the mold cylinder;
the method is characterized in that: the mould barrel is provided with a hoisting and positioning structure for hoisting and positioning the lead mould tubular insert so as to enable the bottom of the lead mould tubular insert to be spaced from the base, the base is also provided with a mould core for forming an annular pouring channel with the inner wall surface of the lead mould tubular insert, and the top of the mould barrel is provided with a pouring gate for pouring lead liquid into the lead mould tubular insert.
2. The lead mold casting mold as defined in claim 1, wherein: the mould section of thick bamboo supports the hoist and mount location section of thick bamboo that sets up on the shaping section of thick bamboo including the shaping section of thick bamboo that has the shaping chamber and components of a whole that can function independently, the runner sets up the top at hoist and mount location section of thick bamboo, hoist and mount location section of thick bamboo constitute hoist and mount location structure, hoist and mount location section of thick bamboo including being used for making lead former tubulose inserts and the coaxial circumference location portion of mold core with the outer wall location cooperation of lead former tubulose inserts, hoist and mount location section of thick bamboo still including being used for fixed lead former tubulose inserts so that the bottom and the base of lead former tubulose inserts keep fixed spaced fixed part, the mould.
3. The lead mold casting mold as defined in claim 2, wherein: the hoisting positioning cylinder comprises a supporting sleeve which is supported and assembled on the upper part of the die cylinder, the circumferential positioning part is arranged on the supporting sleeve, a fixing sleeve is arranged on the supporting sleeve in a sitting mode, and the fixing part is arranged on the fixing sleeve.
4. The lead mold casting mold according to claim 3, characterized in that: a circumferential positioning part is arranged at the upper part of the supporting sleeve, and the inner wall surface of the circumferential positioning part is used for positioning the lead mould tubular insert.
5. The lead mold casting mold according to claim 3 or 4, characterized in that: and the hoisting positioning cylinder is also provided with an axial positioning part which is used for positioning and matching with the end part of the lead mould tubular insert.
6. The lead mold casting mold according to claim 2, 3 or 4, characterized in that: the fixing part is provided with a screw hole penetrating through the cylinder wall of the fixing part, and the fixing part is provided with a bolt penetrating through the screw hole and used for tightly pressing the tubular insert of the lead mould in the fixing part.
7. The lead mold casting mold according to claim 3 or 4, characterized in that: the fixed sleeve comprises a cylinder and a funnel arranged at the top of the cylinder, and the top opening of the funnel forms the pouring gate.
8. The lead mold casting mold according to claim 5, characterized in that: the fixing sleeve comprises a barrel body and a funnel arranged at the top of the barrel body, a positioning step surface used for being matched with the lead mould tubular insert in an axial positioning mode is arranged at the joint of the barrel body and the funnel in the fixing sleeve, and the axial positioning portion is formed by the positioning step surface.
9. The lead mold casting mold according to any one of claims 1 to 4, characterized in that: the radial dimension of the mold core is gradually increased from top to bottom.
10. The lead mold casting mold according to any one of claims 1 to 4, characterized in that: the inner wall surface of the part, used for forming the lead mold, in the mold cylinder is a conical surface which is gradually inclined from top to bottom and from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964501.XU CN211101537U (en) | 2019-06-25 | 2019-06-25 | Lead mould casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964501.XU CN211101537U (en) | 2019-06-25 | 2019-06-25 | Lead mould casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211101537U true CN211101537U (en) | 2020-07-28 |
Family
ID=71686185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920964501.XU Active CN211101537U (en) | 2019-06-25 | 2019-06-25 | Lead mould casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211101537U (en) |
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2019
- 2019-06-25 CN CN201920964501.XU patent/CN211101537U/en active Active
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