CN107138705B - Diameter-variable high-sealing injection device - Google Patents
Diameter-variable high-sealing injection device Download PDFInfo
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- CN107138705B CN107138705B CN201710500182.2A CN201710500182A CN107138705B CN 107138705 B CN107138705 B CN 107138705B CN 201710500182 A CN201710500182 A CN 201710500182A CN 107138705 B CN107138705 B CN 107138705B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/203—Injection pistons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a variable-diameter high-sealing injection device which comprises an injection rod, a spherical connector, a cooling water conveying assembly and a punch assembly, wherein the ball end of the spherical connector is arranged in one end of the punch assembly, the other end of the spherical connector is arranged in one end of the injection rod, an injection rod oil inlet cavity is arranged in the injection rod, an oil inlet is arranged on the injection rod, a connector oil inlet cavity is arranged in the spherical connector, a punch assembly oil inlet cavity is arranged on the punch assembly, an oil outlet is arranged on the side wall of the punch assembly, and the oil inlet, the injection rod oil inlet cavity, the connector oil inlet cavity, the punch assembly oil inlet cavity and the oil outlet are sequentially communicated to form an oil inlet oil way. The beneficial effects of the invention are as follows: the whole oil inlet oil way does not pass through an external connecting pipe, and lubricating oil flows out from the inside of the punch assembly, so that friction resistance is reduced, and the service life is prolonged; the spherical connector enables the punch head assembly to have a certain rotation amount, and the problem of clamping the punch head caused by installation deviation of the punch head assembly is avoided.
Description
Technical Field
The invention relates to the technical field of feeding equipment of die casting machines, in particular to a variable-diameter high-sealing injection device.
Background
The conventional injection rod and the connector are free of any lubricating oil path, the punch is fully leaned against the die casting machine, the oil injection device is additionally arranged, the oil injection device is not self-contained in the factory of the die casting machine, the cost is fully solved by the user of the die casting machine (entrusted to external processing or entrusted to providing a feeding device for processing the die casting machine, the cost is high, the processing is time-consuming and labor-consuming, and the trouble is not small for the two sides of supply.) the punch burns the lubricating oil at high temperature after impacting primary aluminum water, oil injection lubrication is needed, the impact is stopped once, the efficiency is greatly reduced, the lubricating oil cost is not negligible, and the friction resistance is improved due to the fact that the injected lubricating oil is not uniform enough, so that the service life of the punch of the molten glass is reduced. The installation of the lubricating device makes the field messy and the pipelines numerous.
The conventional punch and the melting cup are made of waste steel, the length of the waste steel is from tens of millimeters to hundreds of millimeters, the melting cup is the same, the material is not the common steel material but die steel H13, the cost is very high, the cost of the optical material is high, much industry is headache, the punch and the melting cup want to push aluminum water into a die, the clearance between the punch and the melting cup is within a plurality of wires, the too large aluminum water runs out of the melting cup to enable products in the die to be molded, the too small friction force resistance is increased, the service life of the die casting machine is reduced, and the clearance is large after repeated impact, the melting cup and the punch are scrapped and must be manufactured again.
The installation of the existing feeding device has very high concentricity requirements on the melting cup and the injection rod assembly, a series of problems such as blocking of the punch, increase of on-site noise, improvement of friction resistance, reduction of service life and the like occur when the deviation is slightly, the installation time is prolonged, the production efficiency is reduced, and the concept of current efficient and rapid production is violated. The installation requirement is high, and the professional quality requirement on operators is high.
Disclosure of Invention
The invention aims to solve the technical problems of providing the variable-diameter high-sealing injection device, solving the problem of punch lubrication in the prior art, realizing the swing of the punch and reducing the working difficulty of operators.
The technical scheme for solving the technical problems is as follows: the utility model provides a device is penetrated to variable diameter high seal pressure, includes injection pole, ball-type connector, cooling water conveying component and drift subassembly, ball-type connector's bulb end is installed in the one end of drift subassembly, the other end is installed in the one end tip of injection pole, be equipped with in the injection pole and press the injection pole oil inlet chamber, be equipped with the oil inlet on the injection pole, be equipped with the connector oil inlet chamber in the ball-type connector, be equipped with the drift subassembly oil inlet chamber on the drift subassembly, be equipped with the oil-out on the lateral wall of drift subassembly, the oil inlet press the injection pole oil inlet chamber the connector oil inlet chamber the drift subassembly oil inlet chamber and the oil-out communicates in proper order and forms the oil feed oil circuit, the one end of cooling water conveying component passes in proper order and shoots the injection pole with stretch into in the drift subassembly behind the connector and be used for cooling down the drift subassembly.
The beneficial effects of the invention are as follows: the oil inlet cavity is formed in the injection rod, the spherical connector and the punch assembly, the oil inlet is formed in the injection rod, the oil outlet is formed in the punch assembly, the oil inlet and the oil outlet are communicated with the oil inlet cavity to form an oil inlet path, the whole oil inlet path does not pass through an external connecting pipe, the oil inlet is only very concise, and lubricating oil is injected from the inside of the punch assembly to uniformly lubricate the whole punch and the inner wall of the melting cup, so that friction resistance is reduced, and service life is prolonged; the spherical connector is adopted, so that the punch head assembly can have a certain rotation amount, and the problem of clamping the punch head caused by the installation deviation of the punch head assembly is avoided.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the punch assembly comprises a ball head seat and a punch, the punch is mounted at one end of the ball head seat, a containing groove for containing the ball head end of the ball-type connector is formed at the other end of the ball head seat, and the ball head end of the ball-type connector is arranged in the containing groove.
The beneficial effects of adopting the further scheme are as follows: the punch head is connected with the spherical connector through the ball seat, and when the punch head is damaged, the punch head only needs to be replaced.
Further, the ball head seat comprises a ball head base and a ball head top seat, the punch is mounted at one end of the ball head top seat, the other end of the ball head top seat is connected with the end face of the ball head base, a ball groove for mounting the ball head end of the ball head connector is formed in the end part of the ball head top seat, which is close to the ball head top seat, an arc groove is formed in the end face of the ball head base, the ball groove and the arc groove form a containing groove, a through hole which is communicated with the bottom of the arc groove and is used for allowing the ball head end of the ball head connector to pass through and extend out is formed in the ball head base, and the ball head end of the ball head connector is clamped in the ball groove and the arc groove; the punch assembly oil inlet cavity comprises a base oil inlet cavity, a footstock oil inlet cavity and a punch oil inlet cavity, wherein the base oil inlet cavity is arranged in the ball head base, the footstock oil inlet cavity is arranged in the ball head footstock, the punch oil inlet cavity is arranged in the punch, the oil outlet is arranged on the side wall of the punch, and the connector oil inlet cavity is communicated with the base oil inlet cavity, the footstock oil inlet cavity, the punch oil inlet cavity and the oil outlet in sequence.
The beneficial effects of adopting the further scheme are as follows: the ball head top seat is provided with the ball groove, the ball head base is provided with the arc groove, the ball head end of the ball head connector is clamped through the ball groove and the arc groove, so that the ball head end of the ball head connector can slide relatively between the ball head top seat and the ball head base which are fixed together, the installation difficulty is reduced, and the phenomenon that the punch head assembly and the injection rod are blocked due to the fact that the axes are not coincident during installation is avoided.
Further, an annular groove for sleeving a copper ring is formed in the side wall of the punch, the copper ring is sleeved in the annular groove, and an oil drain hole for communicating the oil outlet is formed in the copper ring.
The beneficial effects of adopting the further scheme are as follows: an annular groove is formed in the side wall of the punch, a copper ring is sleeved in the annular groove, and in the use process, the outer ring surface of the copper ring is attached to the inner wall of the melting cup, so that aluminum water is prevented from leaking out, and high sealing is achieved.
Further, an expansion gap is arranged between the copper ring and the bottom of the annular groove, and a shunt groove communicated with the expansion gap is arranged on the outer periphery of one end part of the punch head, which is far away from the ball head top seat.
The beneficial effects of adopting the further scheme are as follows: the setting of spread groove and inflation clearance for the drift is when striking aluminium water, and aluminium water can flow into the gap along with striking and can make copper ring inflation more the laminating melt cup inner wall that is more consistent, thereby prevents aluminium water leak outward, and the copper ring can wearing and tearing after many times strike, but because self can expand so wearing and tearing how much it just expands, ordinary drift just has worn and tearing slightly directly scrapped, thereby copper ring life-span is longer than drift life-span and cost still greatly reduced.
Further, an annular liquid guide groove encircling the side wall of the punch is formed in the groove bottom of the annular groove, an expansion gap is formed between the annular liquid guide groove and the copper ring, the annular liquid guide groove is formed in one end, away from the ball head top seat, of the annular groove, and the annular groove is communicated with the shunt groove.
The beneficial effects of adopting the further scheme are as follows: by arranging the annular liquid guide groove, the expansion gap is formed between the annular liquid guide groove and the copper ring, the size of the expansion gap can be controlled according to the requirement, and aluminum water can be prevented from passing through the copper ring and the annular groove.
Further, the ball head base is fixedly connected with the ball head top seat through bolts.
The beneficial effects of adopting the further scheme are as follows: the ball head base is fixedly connected with the ball head top seat through bolts, and the installation and the disassembly are convenient.
Further, the punch is of a cylindrical structure with one end provided with a closed punching end, the punch is sleeved on the ball head top seat, and the punching end is far away from the ball head top seat.
The beneficial effects of adopting the further scheme are as follows: the punch adopts a cylindrical structure with one end provided with a closed punching end, so that the punch is convenient to install.
Further, a cooling cavity is arranged between the inner wall of the punching end of the punch and the ball head top seat, and the cooling cavity is communicated with the cooling water conveying assembly.
The beneficial effects of adopting the further scheme are as follows: and a cooling cavity is arranged between the inner wall of the punching end of the punch and the ball head top seat, and is communicated with a cooling water conveying assembly, so that cooling water is conveyed into the cooling cavity, and the punch is conveniently cooled.
Further, the cooling water conveying assembly comprises a cooling water conveying pipe and a fixed end part, the fixed end part is arranged in the end part of the injection rod, which is far away from the spherical connector, a water inlet cavity is arranged in the fixed end part, an injection rod cooling pipe cavity is arranged in the injection rod, a connector cooling pipe cavity is arranged in the spherical connector, a footstock cooling pipe cavity is arranged in the bulb footstock, the injection rod cooling pipe cavity, the connector cooling pipe cavity and the footstock cooling pipe cavity are communicated, one end of the cooling water conveying pipe is arranged in the fixed end part and communicated with the water inlet cavity, the other end of the cooling water conveying pipe sequentially penetrates and stretches out of the injection rod cooling pipe cavity, the connector cooling pipe cavity is communicated with the cooling cavity after the footstock cooling pipe cavity, a water outlet gap is arranged between the outer wall of the cooling water conveying pipe and the injection rod cooling pipe cavity, the connector cooling pipe cavity and the footstock cooling pipe cavity, a water inlet communicated with the water inlet is arranged on the injection rod, and a water outlet communicated with the water outlet gap is arranged on the injection rod.
The beneficial effects of adopting the further scheme are as follows: the water inlet, the water inlet cavity, the cooling water conveying pipe, the cooling cavity, the water outlet gap and the water outlet are communicated to form a circulating channel capable of circularly inputting cooling water, so that the cooling water can be conveniently input in a circulating mode, and the cooling efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the injection rod according to the present invention;
fig. 3 is a schematic structural view of a ball-type joint according to the present invention;
FIG. 4 is a schematic view of a ball seat according to the present invention;
FIG. 5 is a schematic view of the structure of the ball head top seat according to the present invention;
FIG. 6 is a schematic structural view of a punch according to the present invention;
FIG. 7 is a cross-sectional view of a punch in accordance with the present invention;
FIG. 8 is a schematic view of a cooling water delivery assembly according to the present invention;
fig. 9 is a schematic view of the structure of the copper ring in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. the device comprises a pressing injection rod, 2, a spherical connector, 3, a cooling water conveying assembly, 3-1, a cooling water conveying pipe, 3-2, a fixed end part, 4, a punch assembly, 4-1, a ball head base, 4-2, a ball head top seat, 4-3, a punch, 5, a pressing injection rod oil inlet cavity, 6, an oil inlet, 7, a connector oil inlet cavity, 8, a punch assembly oil inlet cavity, 8-1, a base oil inlet cavity, 8-2, a top seat oil inlet cavity, 8-3, a punch oil inlet cavity, 9, an oil outlet, 10, a spherical groove, 11, an arc groove, 12, a through hole, 13, an annular groove, 14, a copper ring, 15, an oil drain hole, 16, a shunt groove, 17, an annular liquid guide groove, 18, a bolt, 19, a punching end, 20, a cooling cavity, 21, an water inlet cavity, 22, a pressing injection rod cooling cavity, 23, a connector cooling cavity, 24, a top seat cooling cavity, 25, a water outlet gap, 26, a water inlet, 27 and a water outlet.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1, the invention comprises an injection rod 1, a spherical connector 2, a cooling water conveying assembly 3 and a punch assembly 4, wherein the ball end of the spherical connector 2 is arranged in one end of the punch assembly 4, and the other end of the spherical connector is arranged in one end part of the injection rod 1. As shown in fig. 3, the ball joint 2 allows the punch assembly 4 to rotate by a certain amount, avoiding the problem of jamming the punch 4-3 due to the mounting deviation of the punch assembly 4. Specifically, one end of the injection rod 1 is provided with a corresponding mounting groove, and the other end of the connector 2 is arranged in the mounting groove; as shown in fig. 2, an injection rod oil inlet cavity 5 is arranged in the injection rod 1, and an oil inlet 6 is arranged on the injection rod 1; the spherical connector 2 is internally provided with a connector oil inlet cavity 7, the punch assembly 4 is provided with a punch assembly oil inlet cavity 8, the side wall of the punch assembly 4 is provided with an oil outlet 9, the oil inlet 6, the injection rod oil inlet cavity 5, the connector oil inlet cavity 7, the punch assembly oil inlet cavity 8 and the oil outlet 9 are sequentially communicated to form an oil inlet oil way, one end of the cooling water conveying assembly 3 sequentially penetrates and injects the injection rod 1 and the spherical connector 2 and then stretches into the punch assembly 4, and in the embodiment of the invention, the injection rod oil inlet cavity 5, the connector oil inlet cavity 7 and the punch assembly oil inlet cavity 8 are all tubular cavities. The invention has a complete and mature oil way system, the whole oil way does not pass through an external connecting pipe, only the oil way inlet needs to be very concise in connecting pipe, lubricating oil is uniformly flushed out from the inside of the punch 4-3 to lubricate the whole punch 4-3 and the inner wall of the melting cup, thereby reducing friction resistance and prolonging the service life.
In the embodiment of the invention, the punch assembly 4 comprises a ball seat and a punch 4-3, wherein the punch 4-3 is arranged on one end of the ball seat, the other end of the ball seat is provided with a containing groove for containing the ball end of the ball connector, and the ball end of the ball connector is arranged in the containing groove. The ball seat comprises a ball seat 4-1 and a ball seat 4-2, the structures of the ball seat 4-1, the ball seat 4-2 and a punch 4-3 are respectively shown in fig. 4, 5, 6 and 7, the punch 4-3 is arranged on one end of the ball seat 4-2, the other end of the ball seat 4-2 is connected with the end face of the ball seat 4-1, the end of the ball seat 4-2 far from one end of the punch 4-3 is provided with a ball groove 10 for installing the ball end of the ball connector, the end face of the ball seat 4-1 near the ball seat 4-2 is provided with an arc groove 11, the ball seat 4-1 is provided with a through hole 12 which is communicated with the arc groove 11 and is used for allowing one end of the ball connector far from the ball end to pass through and extend out, the ball end of the ball connector is clamped in the ball groove 10 and the arc groove 11, the ball seat 4-1 and the ball seat 4-2 are clamped by the ball connector so that the ball connector has a large-shaped inner wall of a universal joint to lower the conventional punch 4-down-shaped melting rod, and the like; the punch assembly oil inlet cavity 8 comprises a base oil inlet cavity 8-1, a top seat oil inlet cavity 8-2 and a punch oil inlet cavity 8-3, wherein the base oil inlet cavity 8-1 is arranged in the ball head base 4-1, the top seat oil inlet cavity 8-2 is arranged in the ball head top seat 4-2, the punch oil inlet cavity 8-3 is arranged in the punch 4-3, the oil outlet 9 is arranged on the side wall of the punch 4-3, and the connector oil inlet cavity 7 is sequentially communicated with the base oil inlet cavity 8-1, the top seat oil inlet cavity 8-2, the punch oil inlet cavity 8-3 and the oil outlet 9. The ball head top seat 4-2 is provided with the ball groove 10, the ball head base 4-1 is provided with the arc groove 11, the ball head end of the ball type connector is clamped through the ball groove 10 and the arc groove 11, so that the ball head end of the ball type connector and the ball head top seat 4-2 and the ball head base 4-1 which are fixed together can slide relatively, the installation difficulty is reduced, and the phenomenon that the punch head 4-3 is clamped due to the fact that the axes of the punch head component 4 and the injection rod 1 are not coincident during installation is avoided.
In the embodiment of the invention, an annular groove 13 for sleeving a copper ring 14 is formed in the side wall of the punch 4-3, the copper ring 14 is sleeved in the annular groove 13, and an oil drain hole 15 for communicating the oil outlet 9 is formed in the copper ring 14. An annular groove 13 is arranged on the side wall of the punch 4-3, a copper ring 14 is sleeved in the annular groove 13, and in the use process, the outer ring surface of the copper ring 14 is attached to the inner wall of the melting cup, so that aluminum water is prevented from leaking. In the embodiment of the invention, an expansion gap is arranged between the copper ring 14 and the groove bottom of the annular groove 13, and a shunt groove 16 communicated with the expansion gap is arranged on the outer periphery of one end part of the punch 4-3 far away from the ball head top seat 4-2. In the embodiment of the present invention, as shown in fig. 8, the ring surface of the copper ring 14 is provided with a break line, so that the entire copper ring 14 forms a discontinuous ring structure, and the number of the oil drain holes 15 is more than one. The provision of the copper ring 14 is another unique inventive aspect of the present invention: 1. when the punch 4-3 impacts molten aluminum, molten aluminum can flow into the expansion gap along with the impact, so that the copper ring 14 expands to be more consistent and is attached to the inner wall of the melting cup, and the molten aluminum is prevented from leaking outwards; 2. the copper ring 14 wears after a plurality of impacts, but the copper ring 14 is worn out by a small amount because the copper ring itself swells, and the common punch 4-3 is directly scrapped after being worn out slightly, so that the service life of the copper ring 14 is longer than that of the punch 4-3, and the cost is greatly reduced. This is critical in the present invention that the copper ring 14 is replaced without replacing the punch 4-3, and the material cost is conceivable; 3. the replacement of the common punch 4-3 is quite clumsy, the old normal condition needs at least more than 15 minutes to replace the punch 4-3, the copper ring 14 is supported by a special tool which is developed at present, the clamping is convenient and quick, namely 5 minutes, the working strength of operators is greatly reduced, the working benefit is improved, and the time is saved.
Preferred embodiments are: the bottom of the annular groove 13 is provided with an annular liquid guide groove 17 encircling the side wall of the punch 4-3, the expansion gap is formed between the annular liquid guide groove 17 and the copper ring 14, the annular liquid guide groove 17 is arranged at one end of the annular groove 13 away from the ball head top seat 4-2, and the annular groove 13 is communicated with the diversion groove 16. If the annular liquid guide groove 17 is arranged, the expansion gap is formed between the annular liquid guide groove 17 and the copper ring 14, the size of the expansion gap can be controlled according to the requirement, and aluminum water can be prevented from passing through the copper ring 14 and the annular groove 13.
Preferably, the ball head base 4-1 is fixedly connected with the ball head top base 4-2 through bolts 18. The ball head base 4-1 is fixedly connected with the ball head top seat 4-2 through bolts 18, and the installation and the disassembly are convenient. The punch 4-3 is of a cylindrical structure with a closed punching end 19 at one end, the punch 4-3 is sleeved on the ball head top seat 4-2, and the punching end 19 is far away from the ball head top seat 4-2. The punch 4-3 adopts a cylindrical structure with one end provided with a closed punching end 19, so that the punch 4-3 is convenient to install.
Preferably, a cooling cavity 20 is arranged between the inner wall of the punching end 19 of the punch 4-3 and the ball head top seat 4-2, and the cooling cavity 20 is communicated with the cooling water conveying assembly 3. A cooling cavity 20 is arranged between the inner wall of the punching end 19 of the punch 4-3 and the ball head top seat 4-2, and the cooling cavity 20 is communicated with the cooling water conveying component 3 to convey cooling water into the cooling cavity 20, so that the punch 4-3 is conveniently cooled.
As shown in fig. 7, the cooling water delivery assembly 3 includes a cooling water delivery pipe 3-1 and a fixed end 3-2; the fixed end 3-2 is arranged in one end of the injection rod 1 far away from the spherical connector, a water inlet cavity 21 is arranged in the fixed end 3-2, an injection rod cooling pipe cavity 22 is arranged in the injection rod 1, a connector cooling pipe cavity 23 is arranged in the spherical connector, a footstock cooling pipe cavity 24 is arranged in the bulb footstock 4-2, the injection rod cooling pipe cavity 22, the connector cooling pipe cavity 23 and the footstock cooling pipe cavity 24 are communicated, one end of the cooling water conveying pipe 3-1 is arranged in the fixed end 3-2 and is communicated with the water inlet cavity 21, the other end sequentially penetrates through and extends out of the injection rod cooling pipe cavity 22, the connector cooling pipe cavity 23 and the footstock cooling pipe cavity 24 are communicated with the cooling cavity 20, a water outlet gap 25 is arranged between the outer wall of the cooling water conveying pipe 3-1 and the injection rod cooling pipe cavity 22, the connector cooling pipe cavity 23 and the footstock cooling pipe cavity 24, the injection rod 1 is provided with a water inlet port 26 which is communicated with the water outlet port 25, and the water outlet port 21 is arranged on the injection rod 1. The water inlet 26, the water inlet cavity 21, the cooling water conveying pipe 3-1, the cooling cavity 20, the water outlet gap 25 and the water outlet 27 are communicated to form a circulating channel capable of circularly inputting cooling water, so that the cooling water can be conveniently input in a circulating mode, and the cooling efficiency is improved.
The beneficial effects of the invention are as follows: 1. the lubricating system of the traditional injection rod 1 device is essentially perfected, and the arrangement of an external oil injection device in the prior art is canceled.
2. The cost of the punch 4-3 for the conventional injection rod 1 device is reduced and the life is fully prolonged by replacing the new generation copper ring 14.
3. The spherical connector is matched with the punch 4-3 to form a structure capable of swinging, so that the spherical connector is more perfectly suitable for the inner surface of the melting cup.
4. The copper ring 14 and the injection rod 1 are installed, so that the requirements on professional operators are greatly reduced, and the effect is more ideal than that of the prior art.
5. The lifetime of the copper ring 14 is far greater than that of the conventional punch 4-3, which is self-evident.
6. The copper ring 14 is compact, lightweight, convenient to transport and reduces transport costs.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides a variable diameter high-sealing injection device which is characterized in that, including injection pole (1), ball-type connector (2), cooling water conveying component (3) and punch component (4), ball head end installation of ball-type connector (2) in the one end of punch component (4), the other end is installed in the one end tip of injection pole (1), be equipped with injection pole oil feed chamber (5) in injection pole (1), be equipped with oil inlet (6) on injection pole (1), be equipped with connector oil inlet chamber (7) in ball-type connector (2), be equipped with punch component oil feed chamber (8) on punch component (4), be equipped with oil-out (9) on the lateral wall of punch component (4), oil inlet (6) injection pole oil feed chamber (5) connector oil feed chamber (7), punch component oil feed chamber (8) and oil-out (9) communicate in proper order and form the oil feed oil circuit, one end of cooling water conveying component (3) is passed in proper order and is penetrated and is gone out injection pole (1) and ball-type connector (2) and is equipped with punch component oil feed chamber (8) on punch component (4), punch component (4) are equipped with on the lateral wall of punch component (4) and punch component (4), the ball head comprises a ball head seat and is characterized in that the other end of the ball head seat is provided with a containing groove for containing the ball head end of the ball head joint, the ball head end of the ball head joint is arranged in the containing groove, an annular groove (13) for sleeving a copper ring (14) is formed in the side wall of a punch head (4-3), the copper ring (14) is sleeved in the annular groove (13), an oil drain hole (15) for communicating with the oil outlet (9) is formed in the copper ring (14), an expansion gap is formed between the copper ring (14) and the groove bottom of the annular groove (13), and a diversion groove (16) communicated with the expansion gap is formed in the outer periphery of the end part of one end part of the ball head seat, far away from the punch head (4-3).
2. The variable-diameter high-sealing injection device according to claim 1, wherein the ball head seat comprises a ball head base (4-1) and a ball head top seat (4-2), the punch head (4-3) is installed on one end of the ball head top seat (4-2), the other end of the ball head top seat (4-2) is connected with the end face of the ball head base (4-1), the end of the ball head top seat (4-2) away from one end of the punch head (4-3) is provided with a ball-shaped groove (10) for installing the ball head end of the ball-shaped connector (2), the end face of the ball head base (4-1) close to the ball head top seat (4-2) is provided with an arc-shaped groove (11), the ball-shaped groove (10) and the arc-shaped groove (11) form the accommodating groove, the ball head base (4-1) is provided with a through hole (12) which is communicated with the bottom of the arc-shaped groove (11) and is used for allowing one end of the ball-shaped connector (2) away from the ball head end to pass through and extend out, and the ball-shaped connector (2) is clamped in the ball-shaped groove (10); the punch assembly oil inlet cavity (8) comprises a base oil inlet cavity (8-1), a footstock oil inlet cavity (8-2) and a punch oil inlet cavity (8-3), wherein the base oil inlet cavity (8-1) is arranged in the ball head base (4-1), the footstock oil inlet cavity (8-2) is arranged in the ball head footstock (4-2), the punch oil inlet cavity (8-3) is arranged in the punch (4-3), an oil outlet (9) is arranged on the side wall of the punch (4-3), and the connector oil inlet cavity (7) is sequentially communicated with the base oil inlet cavity (8-1), the footstock oil inlet cavity (8-2), the punch oil inlet cavity (8-3) and the oil outlet (9).
3. The variable-diameter high-sealing injection device according to claim 2, wherein an annular liquid guide groove (17) encircling the side wall of the punch (4-3) is arranged at the bottom of the annular groove (13), the expansion gap is formed between the annular liquid guide groove (17) and the copper ring (14), the annular liquid guide groove (17) is arranged at one end, far away from the ball head top seat (4-2), of the annular groove (13), and the annular groove (13) is communicated with the shunt groove (16).
4. A variable diameter high sealing injection device according to claim 3, wherein the punch (4-3) has a cylindrical structure with a closed punching end (19) at one end, the punch (4-3) is sleeved on the ball head top seat (4-2), and the punching end (19) is far away from the ball head top seat (4-2).
5. The variable-diameter high-sealing injection device according to claim 4, wherein a cooling cavity (20) is arranged between the inner wall of the punching end (19) of the punch (4-3) and the ball head top seat (4-2), and the cooling cavity (20) is communicated with the cooling water conveying assembly (3).
6. The variable-diameter high-sealing injection device according to claim 5, wherein the cooling water conveying component (3) comprises a cooling water conveying pipe (3-1) and a fixed end part (3-2), the fixed end part (3-2) is arranged in one end of the injection rod (1) far away from the spherical connector (2), a water inlet cavity (21) is arranged in the fixed end part (3-2), an injection rod cooling pipe cavity (22) is arranged in the injection rod (1), a connector cooling pipe cavity (23) is arranged in the spherical connector (2), a footstock cooling pipe cavity (24) is arranged in the bulb footstock (4-2), the injection rod cooling pipe cavity (22), the connector cooling pipe cavity (23) and the footstock cooling pipe cavity (24) are communicated, one end of the cooling water conveying pipe (3-1) is arranged in one end of the fixed end part (3-2) and is communicated with the water inlet cavity (21), the other end of the cooling pipe conveying pipe (3-1) sequentially penetrates and stretches out of the injection rod cooling pipe cavity (22), the footstock cooling pipe cavity (23) and the footstock cooling pipe cavity (24) and the outer wall cooling pipe cavity (20) are communicated with the footstock cooling pipe cavity (2) The cooling pipe cavity (23) of the connector and the cooling pipe cavity (24) of the footstock are provided with a water outlet gap (25), the injection rod (1) is provided with a water inlet (26) communicated with the water inlet cavity (21), and the injection rod (1) is provided with a water outlet (27) communicated with the water outlet gap (25).
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| CN201710500182.2A CN107138705B (en) | 2017-06-27 | 2017-06-27 | Diameter-variable high-sealing injection device |
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| CN110802209B (en) * | 2019-12-23 | 2021-11-23 | 重庆渝江压铸有限公司 | Annular punch |
| CN112047792B (en) * | 2020-08-18 | 2021-10-08 | 西安近代化学研究所 | Explosive reducing press forming device |
| CN112371943A (en) * | 2020-11-18 | 2021-02-19 | 重庆市铸佑机械有限公司 | Spring internal stay formula ring drift |
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