CN109772916B - Automatic mould cooling lubricating arrangement of spraying graphite emulsion - Google Patents
Automatic mould cooling lubricating arrangement of spraying graphite emulsion Download PDFInfo
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- CN109772916B CN109772916B CN201910210292.4A CN201910210292A CN109772916B CN 109772916 B CN109772916 B CN 109772916B CN 201910210292 A CN201910210292 A CN 201910210292A CN 109772916 B CN109772916 B CN 109772916B
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- spray head
- machine tool
- graphite emulsion
- machine body
- spraying
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 40
- 239000010439 graphite Substances 0.000 title claims abstract description 40
- 239000000839 emulsion Substances 0.000 title claims abstract description 38
- 238000005507 spraying Methods 0.000 title claims abstract description 33
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Spray Control Apparatus (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The mold cooling and lubricating device for automatically spraying the graphite emulsion comprises a spraying mechanism and an extruding machine body provided with a mold; the die can slide relative to the extrusion machine body; the spraying mechanism comprises a spray head and a high-pressure submersible pump; the spray head is connected with the extrusion machine body through a lifting mechanism, the high-pressure submersible pump is arranged in a container containing graphite emulsion, the outlet of the high-pressure submersible pump is connected with a high-pressure pump pipeline, and the spray head is connected with the high-pressure pump pipeline through a pipeline; when the lifting mechanism is at a low position, the spray head is opposite to the die cavity; the mold cooling and lubricating device for automatically spraying the graphite emulsion is special for the axle tube body in the trailer axle, is convenient to retract and release, and does not affect the processing work; the lifting of the spray head is controlled through the air cylinder, so that the position is accurate, and the die can be comprehensively lubricated and cooled without omission.
Description
Technical Field
The invention relates to the technical field of mold cooling and lubricating devices, in particular to a mold cooling and lubricating device capable of automatically spraying graphite emulsion.
The background technology is as follows:
in the hot extrusion production process of various profiles and parts, the working environment of the die is very bad, and besides bearing larger load and contact stress of the blank and the die wall, the die is influenced by alternating temperature. Therefore, in the production process, not only lubrication of the mold but also cooling of the mold must be sufficiently considered. In the current production process, during the intermittent period of the extruder, the graphite emulsion is sprayed into the left and right die cavities by manual operation for cooling and lubrication. The method is inconvenient to operate, the interference of the process of taking and placing the spray heads each time is large, and the efficiency is too low; and the characteristics of the graphite emulsion determine the situation that the spray nozzle is unsmooth in spraying or blocked.
In addition, in the production process of the special part of the axle tube body in the trailer axle, the posture and the shape of the die are fixed, the position and the range of manual spraying are not easy to accurately grasp, the spraying is easy to be inaccurate, or some parts are not sprayed, so that the cooling and lubricating effects are not ideal; therefore, it is necessary to design a cooling and lubricating device special for a bridge pipe body production die in a trailer axle.
The invention comprises the following steps:
in order to solve the problems and overcome the defects in the prior art, the invention aims to provide a mold cooling and lubricating device for automatically spraying graphite emulsion, which is free from blockage and smooth in spraying.
In order to achieve the aim, the mold cooling and lubricating device for automatically spraying graphite emulsion provided by the invention comprises a spraying mechanism and an extruding machine body provided with a mold; the die can slide relative to the extrusion machine body; the spraying mechanism comprises a spray head and a high-pressure submersible pump; the spray head is connected with the extrusion machine body through a lifting mechanism, the high-pressure submersible pump is arranged in a container containing graphite emulsion, the outlet of the high-pressure submersible pump is connected with a high-pressure pump pipeline, and the spray head is connected with the high-pressure pump pipeline through a pipeline; when the lifting mechanism is at a low position, the spray head is opposite to the die cavity; the spray head comprises an inner shell body and an outer shell body which can slide relatively, a feed inlet is formed in the rear end of the outer shell body, the front part of the outer shell body is sleeved on the outer side of the rear part of the inner shell body, and the joint part of the outer shell body and the inner shell body can slide relatively and be sealed; the front end of the inner shell is provided with a nozzle composed of dense holes, and a dredging structure for preventing the dense holes from being blocked is arranged inside the nozzle.
Further, the extruding machine body comprises a machine tool base and two machine tool sliding blocks which are in sliding connection with the machine tool base, wherein two machine tool sliding blocks are symmetrically arranged, a die cavity is formed in the center of the inner end part of each machine tool sliding block, and the die is arranged in the die cavity; the outer end surface of the machine tool slide block is connected with a hydraulic cylinder for pushing the machine tool slide block to slide along the machine tool base; the upper part of the machine tool base is provided with a reflux groove for collecting redundant graphite emulsion.
Further, the inner side of the middle part of the outer shell and the outer side of the middle part of the inner shell are respectively provided with annular protruding belts, the tops of the two annular protruding belts are respectively embedded with a sealing ring, a reset spring is arranged between the two annular protruding belts, and a stop pin is inserted into the inner side of the annular protruding belts of the inner shell at the front end of the outer shell.
Further, the dredging structure comprises a rib plate fixedly connected with the inner side wall of the outer shell, the middle part of the rib plate is connected with a push rod extending towards the nozzle, the front end of the push rod is fixedly connected with a top plate, and one side of the top plate towards the nozzle is fixedly connected with a top thorn which is opposite to the dense holes; the distance between the ejection and the nozzle is smaller than the distance between the two annular convex belts.
Further, stirring blades are arranged in the middle of the ejector rod in a rotating connection mode, the stirring blades rotate under the impact of liquid, and the inclination angles of the blades of the stirring blades are the same.
Further, the lifting mechanism comprises a clamping rod and a spray head moving cylinder, one end of the clamping rod is connected with the extrusion machine body in a rotating connection mode, and a connecting lug is arranged in the middle of the clamping rod; the tail end of the spray head moving cylinder is hinged with the extrusion machine body, and the front end of the spray head moving cylinder is hinged with the connecting lug; the pipeline connecting the spray head and the high-pressure pump pipeline is fixedly connected to the clamping rod in a detachable mode through the clamp; when the spray head moving cylinder stretches, the spray head is positioned at a low position right opposite to the die cavity.
Further, the spraying mechanism further comprises a return pipe, one end of the return pipe is connected with the return groove, and the other end of the return pipe is connected with the container containing graphite emulsion.
The beneficial effects of the invention are as follows: the mold cooling and lubricating device for automatically spraying the graphite emulsion is special for the axle tube body in the trailer axle, is convenient to retract and release, and does not affect the processing work; the lifting of the spray head is controlled through the air cylinder, the position is accurate, the die can be comprehensively lubricated and cooled without omission, the stirring blade is arranged, the disturbance effect can be achieved, the deposition of graphite emulsion on the side wall of the inner shell is avoided, the dredging structure is arranged, and the spray head can be prevented from being blocked after being placed for a long time or after coarse particles appear in the graphite emulsion by pressing the front end of the inner shell; the lifting power of the spray head comes from the spray head moving cylinder, the lifting quick line is simple, and interference with other parts is avoided.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of the structure of the spray head of the present invention;
FIG. 4 is a schematic structural view of the gusset of the present invention;
FIG. 5 is a schematic view of the structure of the top plate of the present invention;
FIG. 6 is a schematic view of the structure of the spout of the present invention;
in the accompanying drawings: 1. the spray head comprises a spray head, 2, clamping rods, 3, a spray head moving cylinder, 4, an extrusion machine body, 5, a high-pressure pump pipeline, 6, a high-pressure submersible pump, 7, graphite emulsion, 8, a hydraulic cylinder, 9, a machine tool slide block, 10, a die cavity, 11, a reflux groove, 12, a reflux pipe, 13, an inner shell, 14, a stop pin, 15, an outer shell, 16, a reset spring, 17, a sealing ring, 18, a rib plate, 19, a feed inlet, 20, a push rod, 21, a stirring blade, 22, a top plate, 23 and a spray nozzle.
The specific embodiment is as follows:
for the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in more detail below with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the description of indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, 2 and 3, the mold cooling and lubricating device for automatically spraying graphite emulsion comprises a spraying mechanism and an extruding machine body 4 provided with a mold; the die can slide relative to the extrusion body 4; the spraying mechanism comprises a spray head 1 and a high-pressure submersible pump 6; the spray head 1 is connected with the extrusion machine body 4 through a lifting mechanism, the high-pressure submersible pump 6 is arranged in a container containing graphite emulsion 7, the outlet of the high-pressure submersible pump 6 is connected with the high-pressure pump pipeline 5, and the spray head 1 is connected with the high-pressure pump pipeline 5 through a pipeline; when the lifting mechanism is in a low position, the spray head 1 is opposite to the die cavity 10; the spray head 1 comprises an inner shell 13 and an outer shell 15 which can slide relatively, a feed inlet 19 is formed in the rear end of the outer shell 15, the front part of the outer shell 15 is sleeved on the outer side of the rear part of the inner shell 13, and the joint part of the outer shell 15 and the inner shell 13 can slide relatively and be sealed; the front end of the inner shell 13 is provided with a nozzle 23 composed of dense holes, and a dredging structure for preventing the dense holes from being blocked is arranged inside the spray head 1.
As shown in fig. 1, the extrusion machine body 4 comprises a machine tool base and two machine tool sliding blocks 9 which are in sliding connection with the machine tool base, wherein two machine tool sliding blocks 9 are symmetrically arranged, a die cavity 10 is formed in the center of the inner end part of each machine tool sliding block 9, and the die is arranged in the die cavity 10; the outer end surface of the machine tool slide block 9 is connected with a hydraulic cylinder 8 for pushing the machine tool slide block 9 to slide along the machine tool base; the upper part of the machine tool base is provided with a reflux groove 11 for collecting redundant graphite emulsion.
As shown in fig. 3, the inner side of the middle of the outer casing 15 and the outer side of the middle of the inner casing 13 are respectively provided with an annular protrusion belt, the tops of the two annular protrusion belts are respectively embedded with a sealing ring 17, a return spring 16 is arranged between the two annular protrusion belts, and a stop pin 14 is inserted into the inner side of the annular protrusion belt of the inner casing 13 at the front end of the outer casing 15.
As shown in fig. 3-6, the dredging structure comprises a rib plate 18 fixedly connected with the inner side wall of the outer shell 15, a push rod 20 extending towards a nozzle 23 is connected to the middle part of the rib plate 18, a top plate 22 is fixedly connected to the front end of the push rod 20, and a top thorn which is opposite to the dense holes is fixedly connected to one side of the top plate 22 towards the nozzle 23; the distance between the tip and the nozzle 23 is smaller than the distance between the two annular convex belts.
As shown in fig. 3, the middle part of the ejector rod 20 is provided with a stirring blade 21 in a rotating connection mode, the stirring blade 21 rotates under the impact of liquid, and the blade inclination angle direction and the blade angle of the stirring blade 21 are the same.
As shown in fig. 1 and 2, the lifting mechanism comprises a clamping rod 2 and a spray head moving cylinder 3, one end of the clamping rod 2 is connected with an extrusion machine body 4 in a rotating connection manner, and a connecting lug is arranged in the middle of the clamping rod 2; the tail end of the spray head moving cylinder 3 is hinged with the extrusion machine body 4, and the front end of the spray head moving cylinder 3 is hinged with the connecting lug; the pipeline connecting the spray head 1 and the high-pressure pump pipeline 5 is fixedly connected to the clamping rod 2 in a detachable mode through a clamp; the head 1 is in a low position directly opposite to the cavity 10 when the head moving cylinder 3 is extended.
As shown in fig. 1, the spraying mechanism further comprises a return pipe 12, one end of the return pipe 12 is connected with the return groove 11, and the other end of the return pipe is connected with a container containing the graphite emulsion 7.
Specifically, the hydraulic cylinder 8 is connected with an external hydraulic source through a hydraulic pipeline, the spray head moving cylinder 3 is connected with an external air source through an air pipe, the high-pressure submersible pump 6 is connected with an external power source through a circuit, and the automatic spraying of graphite emulsion of the die is realized through the cooperation of a hydraulic switch, an air circuit switch and an electric switch; the hydraulic cylinder 8 and the machine tool slide block 9 are arranged in the horizontal direction, so that the clamping and the processing of the axle tube body in the trailer axle are facilitated, and meanwhile, the speed of graphite wetting can be slowed down, and the graphite is sufficiently cooled and lubricated; the pipeline of connecting shower nozzle 1 and high-pressure pump pipeline 5 passes through the clamp on clamp pole 2 with detachable mode fixed connection, drives clamp pole 2 through shower nozzle removal cylinder 3 and indirectly drives shower nozzle 1 swing, makes things convenient for the dismantlement, the change of shower nozzle 1 like this, also can reduce the damage of pipeline moreover, increase of service life. The machine tool slide block 9, the mould, the spray heads 1 and the spray head moving cylinders 3 are symmetrically arranged in pairs, the spray heads 1 are in corresponding relation with the mould, and one mould is at least corresponding to one spray head 1.
When the trailer is not in working state, the machine tool slide block 9 is positioned close to the side edge of the extrusion machine body 4, the spray head moving cylinder 3 is in a contracted state, the spray head 1 is lifted to a high position, and the bridge pipe body in the trailer axle to be processed is not affected to be placed between two dies;
when the trailer is in a working state, firstly, the hydraulic cylinder 8 pushes the machine tool slide block 9 to move inwards from the side edge of the extrusion machine body 4, the axle tube body in the trailer axle to be processed is extruded and formed, and after the primary processing step is finished, the hydraulic cylinder 8 drives the machine tool slide block 9 to retract to the side edge of the extrusion machine body 4 again;
then, taking away the axle tube in the finished trailer axle; when the axle tube in the trailer axle is taken away, the spray head 1 is still in a high position, and no interference can occur;
then, the head moving cylinder 3 is extended, and the head 1 gradually falls to a low position; the switch of the switch is turned on, the high-pressure submersible pump 6 cools and lubricates the graphite emulsion pump to the spray head 1 to cool and lubricate the die, and the graphite emulsion falling from the die cavity 10 returns to the graphite emulsion container again through the reflux groove 11 and the reflux pipe 12 for cyclic utilization; after the switch of the electric door is closed, the high-pressure submersible pump 6 is closed, the spray head 1 stops spraying, but graphite emulsion residues exist in the spray head 1; when spraying the graphite emulsion, if the spray head 1 is blocked by residual graphite emulsion agglomeration or impurity blockage, the electric switch is closed, the front end of the inner shell 13 of the spray head 1 is repeatedly pressed for several times, the spray nozzle 23 can be dredged, and the electric switch is opened again to realize smooth spraying;
then, after the mold is sufficiently cooled and lubricated, the switch of the electric valve is closed, the spray head moving cylinder 3 is controlled to shrink, and the spray head 1 is lifted to the high position again.
The mold cooling and lubricating device for automatically spraying the graphite emulsion is special for the axle tube body in the trailer axle, is convenient to retract and release, and does not affect the processing work; through the lift of cylinder control shower nozzle 1, the position is accurate, can be comprehensive, the mould that does not have omission lubricate and cool off, and stirring leaf 21's setting can play the effect of disturbance, avoids graphite emulsion to deposit including casing 13 lateral wall, and the setting of mediation structure can avoid shower nozzle 1 to appear the jam behind the coarse granule after putting for a long time or in the graphite emulsion through pressing the casing 13 front end in.
Other than the features described in the specification, are known to those skilled in the art.
Claims (4)
1. The mold cooling and lubricating device for automatically spraying the graphite emulsion comprises a spraying mechanism and an extruding machine body (4) provided with a mold; the die can slide relative to the extrusion machine body (4); the spraying mechanism comprises a spray head (1) and a high-pressure submersible pump (6); the high-pressure submerged pump is characterized in that the spray head (1) is connected with the extrusion machine body (4) through a lifting mechanism, the high-pressure submerged pump (6) is arranged in a container containing graphite emulsion (7), an outlet of the high-pressure submerged pump (6) is connected with a high-pressure pump pipeline (5), and the spray head (1) is connected with the high-pressure pump pipeline (5) through a pipeline; when the lifting mechanism is at a low position, the spray head (1) is opposite to the die cavity (10); the spray head (1) comprises an inner shell (13) and an outer shell (15) which can slide relatively, a feed inlet (19) is formed in the rear end of the outer shell (15), the front part of the outer shell (15) is sleeved on the outer side of the rear part of the inner shell (13), and the joint part of the outer shell (15) and the inner shell (13) can slide relatively and be sealed; the front end of the inner shell (13) is provided with a nozzle (23) consisting of dense holes, and a dredging structure for preventing the dense holes from being blocked is arranged in the spray head (1);
annular raised belts are respectively arranged on the inner side of the middle part of the outer shell (15) and the outer side of the middle part of the inner shell (13), a sealing ring (17) is respectively embedded at the tops of the two annular raised belts, a reset spring (16) is arranged between the two annular raised belts, and a stop pin (14) is inserted into the inner side of the annular raised belts of the inner shell (13) at the front end of the outer shell (15); the dredging structure comprises a rib plate (18) fixedly connected with the inner side wall of the outer shell (15), a push rod (20) extending towards the nozzle (23) is connected to the middle of the rib plate (18), a top plate (22) is fixedly connected to the front end of the push rod (20), and a top thorn which is opposite to the dense holes is fixedly connected to one side of the top plate (22) towards the nozzle (23); the distance between the ejection and the nozzle (23) is smaller than the distance between the two annular convex belts;
stirring blades (21) are arranged in the middle of the ejector rod (20) in a rotating connection mode, the stirring blades (21) rotate under the impact of liquid, and the inclination angles of the blades of the stirring blades (21) are the same.
2. The mold cooling and lubricating device for automatically spraying graphite emulsion according to claim 1, characterized in that the extruding machine body (4) comprises a machine tool base and two machine tool sliding blocks (9) which are in sliding connection with the machine tool base, wherein the two machine tool sliding blocks (9) are symmetrically arranged, a mold cavity (10) is formed in the center of the inner end part of each machine tool sliding block (9), and the mold is arranged in the mold cavity (10); the outer end surface of the machine tool slide block (9) is connected with a hydraulic cylinder (8) for pushing the machine tool slide block (9) to slide along the machine tool base; the upper part of the machine tool base is provided with a reflux groove (11) for collecting redundant graphite emulsion.
3. The mold cooling and lubricating device for automatically spraying graphite emulsion according to claim 1, which is characterized in that the lifting mechanism comprises a clamping rod (2) and a spray head moving cylinder (3), one end of the clamping rod (2) is connected with the extrusion machine body (4) in a rotating connection mode, and a connecting lug is arranged in the middle of the clamping rod (2); the tail end of the spray head moving cylinder (3) is hinged with the extrusion machine body (4), and the front end of the spray head moving cylinder (3) is hinged with the connecting lug; the pipeline connecting the spray head (1) and the high-pressure pump pipeline (5) is fixedly connected to the clamping rod (2) in a detachable mode through a clamp; when the spray head moving cylinder (3) stretches, the spray head (1) is positioned at a low position right opposite to the die cavity (10).
4. The mold cooling and lubricating device for automatically spraying graphite emulsion according to claim 1, wherein the spraying mechanism further comprises a return pipe (12), one end of the return pipe (12) is connected with the return groove (11), and the other end is connected with a container containing the graphite emulsion (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910210292.4A CN109772916B (en) | 2019-03-20 | 2019-03-20 | Automatic mould cooling lubricating arrangement of spraying graphite emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910210292.4A CN109772916B (en) | 2019-03-20 | 2019-03-20 | Automatic mould cooling lubricating arrangement of spraying graphite emulsion |
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| Publication Number | Publication Date |
|---|---|
| CN109772916A CN109772916A (en) | 2019-05-21 |
| CN109772916B true CN109772916B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910210292.4A Active CN109772916B (en) | 2019-03-20 | 2019-03-20 | Automatic mould cooling lubricating arrangement of spraying graphite emulsion |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110180910A (en) * | 2019-06-13 | 2019-08-30 | 江苏银奕达科技股份有限公司 | Thin-walled Multi-cavity section bar pressure ram automatic lubrication installation |
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