CN212121598U - Nozzle structure of cylinder cover sand core cold core mold - Google Patents
Nozzle structure of cylinder cover sand core cold core mold Download PDFInfo
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- CN212121598U CN212121598U CN202020596194.7U CN202020596194U CN212121598U CN 212121598 U CN212121598 U CN 212121598U CN 202020596194 U CN202020596194 U CN 202020596194U CN 212121598 U CN212121598 U CN 212121598U
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Abstract
The utility model relates to a psammitolite mould technical field discloses a mouth structure is penetrated to cylinder cap psammitolite cold core mould, including last framed, install the last module on last framed and install in the sand shooting subassembly of last module top, the sand shooting subassembly includes shooting plate, shooting mouth and two at least grip blocks that are L column structure, shooting mouth includes the pole portion of being made by metal material and the head of being made by metal material, head threaded connection is in the lower extreme of pole portion, the integrative radial protrusion of upper end outer wall in pole portion has annular spacing ring, the upper end of grip block is fixed in on shooting plate's lower surface, and be formed with the centre gripping district that is used for the centre gripping spacing ring between the lower extreme of grip block and shooting plate's the lower surface. The head part has the advantages of simple structure, reasonable layout, good pressure resistance of the head part, long service life, convenient connection and disassembly with the rod part, and convenient installation and replacement; in addition, the clamping area can be used for mounting the rod part, so that the mounting is convenient and the requirement on precision is low.
Description
Technical Field
The utility model relates to a psammitolite mould technical field specifically is a mouth structure is penetrated to cold mandrel of cylinder cap psammitolite.
Background
Among the prior art, penetrate the sand mouth and include pole portion and head, wherein pole portion adopts metal material to make, and the head generally is the rubber sleeve, annotates the sand in-process, because penetrate sand speed height and pressure big, the sand outlet on the rubber sleeve expands easily, has shortened the life of head, also can influence the sand outlet's sand efficiency. In addition, the installation between the rod part and the sand shooting plate is carried out through the flange, the requirement on the precision of hole positions on the flange is high, and the installation difficulty is high. Therefore, the cold core mold nozzle structure of the sand core of the cylinder cover is provided.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a nozzle structure for a cylinder cover sand core cold core mold, which solves the above-mentioned problems of the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mouth structure is penetrated to cylinder cap psammitolite cold mandrel, includes the framed, installs the last module on the framed and installs in the sand shooting subassembly of last module top, sand shooting subassembly is including shooting the sand plate, shooting sand mouth and two at least grip blocks that are L column structure, sand shooting mouth includes the pole portion of being made by metal material and the head of being made by metal material, head threaded connection is in the lower extreme in pole portion, the integrative radial protrusion of upper end outer wall in pole portion has annular spacing ring, the upper end of grip block is fixed in on the lower surface of shooting the sand plate, just be formed with the centre gripping district that is used for the centre gripping spacing ring between the lower extreme of grip block and the lower surface of shooting the sand plate.
The beneficial effects of the utility model reside in that: the utility model has simple structure and reasonable layout; the rod part and the head part are both made of metal materials, so that the pressure resistance is good, and the service life is long; moreover, the rod part and the head part are connected and fixed in a threaded connection mode, so that the disassembly and the replacement are convenient; in addition, the rod part is directly fixed through two clamping areas formed between the lower ends of the two clamping blocks and the lower surface of the sand shooting plate, the installation is convenient, and even if the installation of the clamping blocks has certain errors, the two clamping areas can also finish the fixation of the rod part.
Preferably, the fixing device further comprises a fixing assembly for fixing the upper module, wherein the fixing assembly comprises a fixing rod, a clamping plate, a fixing bolt and a locking bolt, a through hole penetrates through the clamping plate, and the through hole is axially matched with the fixing rod in a sliding manner; one end of the fixing rod is integrally connected to the large head end of the fixing bolt, the other end of the fixing rod is in threaded connection with the locking bolt, and when the locking bolt is screwed down, the distance between the clamping plate and the fixing bolt is gradually reduced. The advantages are that: the fixing assembly is used for mounting the upper module, and the mounting is convenient and the precision requirement is low.
Preferably, a protruding ring for increasing the axial length of the through hole is integrally protruded on the surface of the clamping plate close to the fixing bolt. The advantages are that: the stability of the through holes in sliding matching on the fixing rods is ensured, so that the stability of the clamping function of the clamping plate is improved.
Preferably, the convex ring is sleeved with a spring, one end of the spring is tightly attached to the clamping plate, and the other end of the spring is tightly attached to the fixing bolt. The advantages are that: under the action of the spring, the clamping plate is always close to the large end of the locking bolt, so that the clamping plate is prevented from interfering with the fixing bolt in the installation process, and the clamping plate is ensured not to be held by hands in the installation process, so that the installation difficulty is reduced.
Preferably, the through hole is of a cylindrical structure. The advantages are that: the through holes can rotate the clamping plates while axially sliding on the fixed rods, so that the placing positions of the clamping plates can be conveniently rotated and adjusted at any time in the installation process.
Preferably, a sealing sleeve is sleeved on the rod part and positioned above the limiting ring. The advantages are that: the sealing performance of the installation is improved.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is an enlarged view of a portion of FIG. 1 at II;
fig. 4 is a cross-sectional view of a securing assembly according to an embodiment of the invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present embodiments more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 4, in an embodiment of the present invention, a nozzle structure for a cylinder head sand core cold core mold includes an upper mold frame 1, an upper mold block 2, and a sand shooting assembly 5 installed above the upper mold block 2. The upper module 2 is installed on the upper mold frame 1, and forms a cylinder cover sand core cold core mold with the lower module 4 installed on the lower mold frame 3, which is the prior art. The sand shooting assembly 5 comprises a sand shooting plate 51, a sand shooting nozzle 52 and two clamping blocks 53 (the number of the clamping blocks 53 is at least two) which are in an L-shaped structure, wherein the sand shooting nozzle 52 comprises a rod part 521 made of a metal material and a head part 522 made of a metal material, and the metal material is preferably 45 # steel, cast iron, aluminum alloy and the like, so that the pressure resistance of the head part 522 is greatly improved, and the service life of the head part is prolonged. Because the head 522 is made of metal materials, the lower end of the rod 521 and the head 522 can be connected and mounted in a threaded connection mode, so that the installation, the disassembly and the replacement are convenient, and the universality is greatly improved by arranging the rod 521 and the head 522 on a standard part. An annular limiting ring 523 protrudes from the outer wall of the upper end of the rod 521 in the radial direction, the two clamping blocks 53 are mounted on the lower surface of the sand shooting plate 51 through screws 100, a clamping area 524 is formed between the lower end of each clamping block 53 and the lower surface of the sand shooting plate 51, the limiting ring 523 can be mounted and fixed on the lower surface of the sand shooting plate 51 through the two clamping areas 524 (as shown in fig. 2), the mounting and the dismounting are convenient and simple, and even if certain errors exist in the mounting of the clamping blocks 53, the clamping areas 524 can cover the limiting ring 523, so that the requirement on precision in the mounting process is greatly reduced. In addition, in order to improve the sealing performance between the rod 521 and the sand shooting plate 51, the sealing sleeve 7 is sleeved on the rod 521 and above the limit ring 523, so that the sealing performance after installation is greatly improved.
In the embodiment, in order to more conveniently mount and fix the upper module 2, a fixing assembly 6 is further provided, as shown in fig. 4, the fixing assembly 6 includes a fixing rod 61, a clamping plate 62, a fixing bolt 63, and a locking bolt 64, a through hole 621 penetrates through the clamping plate 62, and the through hole 621 is axially matched with the fixing rod 61 in a sliding manner; one end of the fixing rod 61 is integrally connected to the large head end of the fixing bolt 63, the other end of the fixing rod 61 is in threaded connection with the locking bolt 64, and when the locking bolt 64 is tightened, the distance between the clamping plate 62 and the fixing bolt 63 is gradually reduced. As shown in fig. 3 and 4, the fixing bolt 63 is screwed on the upper mold frame 1, the clamping plate 62 is sleeved on the fixing rod 61 through the through hole 621 on the clamping plate, the locking bolt 64 is screwed on, the position of the clamping plate 62 is adjusted to be lapped on the step on the upper mold block 2, the locking bolt 64 is screwed on, the fixing assemblies 6 are respectively installed on the left side and the right side of the upper mold block 2, the fixing of the upper mold block 2 can be completed, the installation is convenient and simple, even if a certain error occurs in the installation of the fixing bolt 63 in the installation process, the normal installation cannot be influenced as long as the clamping plate 62 can be lapped on the step on the upper mold block 2, and the requirement on the precision in the installation process is greatly reduced. Similarly, the fixing component 6 can also be used for mounting and fixing the lower module 4 and the lower mold frame 3.
In an embodiment, in order to ensure the stability of the sliding fit of the through hole 621 on the fixing rod 61 and prevent the clamping plate 62 from swinging, a protruding ring 622 for increasing the axial length of the through hole 621 is integrally protruded on the surface of the clamping plate 62 close to the fixing bolt 63, and under the action of the protruding ring 622, the contact area between the through hole 621 and the fixing rod 61 is greatly increased, so that the stability of the clamping function of the clamping plate 62 is greatly improved.
In an embodiment, a spring 623 is sleeved on the convex ring 622, one end of the spring 623 is tightly attached to the clamping plate 62, and the other end of the spring 623 is tightly attached to the fixing bolt 63. Under the action of the spring 623, the clamping plate 62 is always abutted against the large end of the locking bolt 64, so that interference between the clamping plate 62 and the fixing bolt 63 is avoided in the installation process, and the clamping plate 62 is ensured not to be held by hands in the installation process, so that the installation difficulty is reduced. As shown in fig. 3, without the action of the spring 623, the clamping plate 62 would fall under gravity onto the fixing bolt 63, thereby affecting the rotation of the fixing bolt 63; also, during installation, the clamping plate 62 needs to be lifted by hand all the time.
In an embodiment, the through hole 621 is a cylindrical structure. The through hole 621 axially slides on the fixing rod 61, and simultaneously, the clamping plate 62 is rotated, so that the placing position of the clamping plate 62 can be conveniently adjusted by rotating at any time in the installation process.
The above description is only 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 technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A cold core mold nozzle structure of a cylinder cover sand core comprises an upper mold frame (1), an upper mold block (2) arranged on the upper mold frame (1) and a sand shooting assembly (5) arranged above the upper mold block (2), characterized in that the sand shooting component (5) comprises a sand shooting plate (51), a sand shooting nozzle (52) and at least two clamping blocks (53) in L-shaped structures, the sand shooting nozzle (52) comprises a rod part (521) made of metal material and a head part (522) made of metal material, the head (522) is in threaded connection with the lower end of the rod (521), the outer wall of the upper end of the rod (521) is integrally provided with an annular limiting ring (523) in a radial protruding mode, the upper end of the clamping block (53) is fixed on the lower surface of the sand shooting plate (51), and a clamping area (524) for clamping the limiting ring (523) is formed between the lower end of the clamping block (53) and the lower surface of the sand shooting plate (51).
2. The structure of the core cooling and molding nozzle of the cylinder cover sand core as claimed in claim 1, further comprising a fixing assembly (6) for fixing the upper module (2), wherein the fixing assembly (6) comprises a fixing rod (61), a clamping plate (62), a fixing bolt (63) and a locking bolt (64), a through hole (621) is formed in the clamping plate (62) in a penetrating mode, and the through hole (621) is matched with the fixing rod (61) in an axial sliding mode; one end of the fixing rod (61) is integrally connected to the large head end of the fixing bolt (63), the other end of the fixing rod (61) is in threaded connection with the locking bolt (64), and when the locking bolt (64) is screwed down, the distance between the clamping plate (62) and the fixing bolt (63) is gradually reduced.
3. The structure of the cold core die of the cylinder head sand core as claimed in claim 2, wherein a convex ring (622) for increasing the axial length of the through hole (621) is integrally protruded on the surface of the clamping plate (62) near the fixing bolt (63).
4. The structure of the nozzle of the cylinder cover sand core cold core die as claimed in claim 3, characterized in that a spring (623) is sleeved on the convex ring (622), one end of the spring (623) is tightly attached to the clamping plate (62), and the other end of the spring (623) is tightly attached to the fixing bolt (63).
5. The structure of the cold core mold nozzle of the sand core of the cylinder cover as claimed in any one of claims 2 to 4, wherein the through hole (621) has a cylindrical structure.
6. The structure of the nozzle of the cold core mold of the sand core of the cylinder cover as claimed in claim 1, wherein a sealing sleeve (7) is sleeved on the rod part (521) and above the limit ring (523).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596194.7U CN212121598U (en) | 2020-04-20 | 2020-04-20 | Nozzle structure of cylinder cover sand core cold core mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596194.7U CN212121598U (en) | 2020-04-20 | 2020-04-20 | Nozzle structure of cylinder cover sand core cold core mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212121598U true CN212121598U (en) | 2020-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020596194.7U Active CN212121598U (en) | 2020-04-20 | 2020-04-20 | Nozzle structure of cylinder cover sand core cold core mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212121598U (en) |
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2020
- 2020-04-20 CN CN202020596194.7U patent/CN212121598U/en active Active
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