CN111069405B - Guiding mechanism for fillet cutting and punching die - Google Patents

Guiding mechanism for fillet cutting and punching die Download PDF

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Publication number
CN111069405B
CN111069405B CN202010008627.7A CN202010008627A CN111069405B CN 111069405 B CN111069405 B CN 111069405B CN 202010008627 A CN202010008627 A CN 202010008627A CN 111069405 B CN111069405 B CN 111069405B
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guide
ring
hole
groove
cylinder
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CN111069405A (en
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陈燕
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Taifu Special Steel Suspension Chengdu Co ltd
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Taifu Special Steel Suspension Chengdu Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Presses And Accessory Devices Thereof (AREA)

Abstract

The invention discloses a guide mechanism for a corner cut punching die, which comprises a guide sleeve and a guide post, wherein the top end of the guide post is inserted into an inner hole of the guide sleeve; the lubricating assembly comprises a piston rod, a cylinder, a first one-way valve, a second one-way valve, a connecting pipe and a damping ring; the inner wall of the guide sleeve is provided with a mounting groove, the bottom of the mounting groove is provided with an accommodating groove, and the outer wall of the guide sleeve is provided with a connecting hole communicated with the accommodating groove; the outer side wall of the damping ring is inserted into the mounting groove, a damping hole is formed in the damping ring, the piston head of the piston rod is inserted into the cylinder, and a cavity between the piston head and the closed end of the cylinder is an accommodating cavity; the lubricating pipe is communicated with the accommodating cavity; the connecting pipe is communicated with the accommodating cavity, and the bottom end of the connecting pipe is inserted into the connecting hole. The invention ensures that the guide mechanism of each die obtains enough lubricating liquid, thereby being beneficial to the normal work of the guide mechanism.

Description

Guiding mechanism for fillet cutting and punching die
Technical Field
The invention relates to the technical field of automobile part manufacturing, in particular to a guide mechanism for a corner cut punching die.
Background
In some sheet metal parts for manufacturing automobile parts, especially thin metal sheets, the punching and forming operations are performed by using a punching die to perform punching and forming. The blanking die is indispensable technological equipment in stamping production, and a good die structure is reliable guarantee for realizing a technological scheme. The quality and the precision of the stamping part are mainly determined by the quality and the precision of the blanking die. Whether the blanking die structure is reasonable and advanced or not has the advantages that the production efficiency, the service life of the blanking die and the safety and the convenience of operation are directly influenced, and the like.
The blanking die mainly comprises an upper die base, a punch head fixed on the upper die base, a lower die base and a stripper plate fixed on the lower die base; the upper die base is far away from or close to the lower die base under the driving of the working cylinder, so that the blanking operation of the plate placed on the stripper plate is completed. Meanwhile, in order to ensure the uniqueness of the moving tracks of the upper die holder and the like relative to the lower die holder, a guide mechanism is arranged between the upper die holder and the lower die holder. The guide mechanism mainly comprises a guide sleeve connected with the upper die base and a guide post connected with the lower die base, and the top end of the guide post is inserted into the guide sleeve.
During operation, the upper die base and the lower die base continuously move relatively, and the guide post and the guide sleeve also move relatively, so that lubricating liquid needs to be injected into a matching part between the guide post and the guide sleeve in time to ensure lubrication and reduce friction and heat in order to ensure smooth matching between the guide post and the guide sleeve. Firstly, a lubricating pipe communicated with lubricating liquid is mainly adopted to supplement the lubricating liquid. The feed end of the lubricating pipe is communicated with a lubricating liquid source, and the discharge end of the lubricating pipe is communicated with an inner hole of the guide sleeve. In order to ensure lubrication, a pump is connected to the feeding end of the lubricating pipe, and lubricating liquid is fed into the lubricating pipe through the pump.
However, in practice, in order to reduce the number of components, volume and cost required for lubrication, a single pump is used to pump lubricating fluid to a plurality of dies. Because one pump machine is used for controlling the lubrication of a plurality of moulds, and the working state of each mould is asynchronous, the amount of the lubricating liquid obtained by each mould is unequal, the lubricating liquid obtained by each mould cannot be accurately obtained, and then the working state of the guide mechanism of each mould cannot be accurately judged; the amount of the lubricating liquid obtained by each die is unequal, so that a guide mechanism of the die with less part of the lubricating liquid cannot obtain sufficient lubricating liquid, and the guide mechanism is large in internal friction and heat productivity and is not beneficial to normal work of the guide mechanism; meanwhile, lubricating liquid enters the inner hole of the guide sleeve through only one outlet, so that little or no lubricating liquid exists on the guide sleeve far away from the outlet, and the service life of the guide mechanism is greatly shortened.
Disclosure of Invention
The invention aims to: the guide mechanism for the cut fillet punching die solves the technical problems that the guide mechanism of a die with less partial lubricating liquid cannot obtain sufficient lubricating liquid, has large internal friction and large heat productivity, is not beneficial to normal work of the guide mechanism and the like due to the fact that the lubricating liquid quantity obtained by each existing die is unequal.
The technical scheme adopted by the invention is as follows:
the guide mechanism for the fillet cutting and punching die comprises a guide sleeve connected with an upper die base and a guide post connected with a lower die base, wherein the top end of the guide post is inserted into an inner hole of the guide sleeve; the lubricating component comprises a piston rod, a cylinder body, a first one-way valve, a second one-way valve, a connecting pipe and a damping ring, wherein,
the outer wall of the guide sleeve is connected with a support plate, and a threaded through hole is formed in the support plate; an annular mounting groove with the axis coincident with the axis of the guide sleeve is arranged on the inner wall of the guide sleeve, an annular accommodating groove is arranged at the bottom of the mounting groove, and a connecting hole communicated with the accommodating groove is formed in the outer wall of the guide sleeve; the outer side wall of the damping ring is inserted into the mounting groove and is in contact with the groove bottom of the mounting groove, a plurality of damping holes are uniformly formed in the damping ring along the circumference of the damping ring, and the damping holes are used for communicating the accommodating groove with the inner hole of the guide sleeve;
one end of the cylinder is an open end, the other end of the cylinder is a closed end, the piston head of the piston rod is inserted into the cylinder from the open end and is in sealing fit with the inner hole of the cylinder, and a cavity between the piston head and the closed end of the cylinder is an accommodating cavity; the closed end of the cylinder is inserted into the threaded through hole and is in threaded connection with the threaded through hole; the discharge end of the lubricating pipe is fixed on the side wall of the cylinder body and is communicated with the accommodating cavity; the top end of the connecting pipe is inserted into the threaded through hole, is connected with the closed end of the cylinder and is communicated with the accommodating cavity, the bottom end of the connecting pipe is inserted into the connecting hole, and the outer wall of the connecting pipe is hermetically connected with the hole wall of the connecting hole;
the first one-way valve and the second one-way valve are respectively connected into the lubricating pipe and the connecting pipe, lubricating liquid flows into the accommodating cavity through the first one-way valve, and the lubricating liquid enters the connecting hole through the second one-way valve.
Furthermore, a collecting assembly is arranged on one side, far away from the guide sleeve, of the guide column, the collecting assembly comprises a rubber sealing ring and a collecting ring, the axes of the rubber sealing ring and the collecting ring are coincident with the axis of the guide column, the collecting ring is sleeved on the guide column and is in threaded connection with the side wall, close to the lower die base, of the guide column, an annular collecting groove is arranged on the upper surface of the collecting ring, and the axis of the collecting groove is coincident with the axis of the guide column;
the side wall of the guide column is provided with an annular positioning groove, the axis of the positioning groove coincides with the axis of the guide column, the inner side of the sealing ring is inserted into the positioning groove, and the outer side wall of the sealing ring is positioned right above the collecting groove.
Furthermore, the lower surface of the sealing ring protrudes outwards to form a conical ring, the axis of the conical ring is overlapped with the axis of the guide column, the small-diameter end of the conical ring is connected with the sealing ring, and the large-diameter end of the conical ring is inserted into the collecting tank.
Further, the rubber sealing ring is an O-shaped sealing ring.
Further, the cylinder is made of transparent material, and scale marks for marking the height dimension of the accommodating cavity are arranged on the side wall of the cylinder along the axis of the cylinder.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the guide mechanism for the corner cut punching die, the accommodating cavity for accommodating lubricating liquid is arranged on the guide mechanism of each die, so that the guide mechanism of each die can obtain enough lubricating liquid, the quantity of the lubricating liquid obtained by each die can be accurately obtained through the extending length of the piston rod, and then whether the lubricating liquid of the guide mechanism of each die is enough or not and whether the working state of the guide mechanism is normal or not can be accurately judged, so that the guide mechanism can be effectively ensured to obtain enough lubricating liquid, the internal friction is reduced, the heat productivity is reduced, and the guide mechanism can normally work;
2. according to the guide mechanism for the corner cut punching die, after lubricating liquid enters the guide sleeve, the containing groove is filled, and then the lubricating liquid is pushed by the piston rod to pass through the damping holes to enter the inner cavity of the guide sleeve, and the damping holes are uniformly distributed in the circumferential direction, so that the matching surface between the guide sleeve and the guide column is lubricated by the lubricating liquid in the whole circumferential direction, the integral lubrication of the guide mechanism is effectively ensured, and the condition that the matching surface far away from the lubricating liquid inlet end cannot be lubricated is effectively avoided;
3. according to the guide mechanism for the tangential fillet punching die, when the supply amount of the lubricating liquid is increased, the redundant lubricating liquid flows downwards along the circumferential wall of the guide post, flows outwards firstly when flowing to the sealing ring, flows downwards and falls into the collecting groove, the lubricating liquid in the collecting groove can be sucked out by a suction pipe and a pump body for recycling or recycling, and the situation that the whole lower die holder is stained with the lubricating liquid and absorbs dust is effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
Reference numerals in the drawings indicate:
1-a guide sleeve, 2-a guide column, 3-a lubrication pipe, 4-a support plate, 5-a piston rod, 6-a cylinder, 7-a first one-way valve, 8-a second one-way valve, 9-a connecting pipe, 10-a damping ring, 11-a receiving groove, 12-a damping hole, 13-a connecting hole, 14-a sealing ring, 15-a collecting ring, 16-a collecting groove, 17-a conical ring and 18-a receiving cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The term "connected" in the present invention is not particularly limited, and may be any conventional connection means such as integral molding, welding, riveting, etc., and the specific connection means may be suitably selected according to the conventional technical knowledge in the art. All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 and 2.
Example 1
As shown in fig. 1 and 2, the guide mechanism for the corner cut punching die comprises a guide sleeve 1 connected with an upper die base and a guide post 2 connected with a lower die base, wherein the top end of the guide post 2 is inserted into an inner hole of the guide sleeve 1, a lubricating pipe 3 is arranged on the guide sleeve 1, the feeding end of the lubricating pipe 3 is communicated with a lubricating liquid source, the discharging end of the lubricating pipe 3 is communicated with the inner hole of the guide sleeve 1, and the discharging end of the lubricating pipe 3 is communicated with the inner hole of the guide sleeve 1 through a lubricating component; the lubricating component comprises a piston rod 5, a cylinder 6, a first one-way valve 7, a second one-way valve 8, a connecting pipe 9 and a damping ring 10, wherein,
the outer wall of the guide sleeve 1 is connected with a support plate 4, and the support plate 4 is provided with a threaded through hole; an annular mounting groove with the axis coincident with the axis of the guide sleeve 1 is formed in the inner wall of the guide sleeve 1, an annular accommodating groove 11 is formed in the bottom of the mounting groove, and a connecting hole 13 communicated with the accommodating groove 11 is formed in the outer wall of the guide sleeve 1; the outer side wall of the damping ring 10 is inserted into the mounting groove and is in contact with the groove bottom of the mounting groove, a plurality of damping holes 12 are uniformly formed in the damping ring 10 along the circumference of the damping ring, and the accommodating groove 11 is communicated with the inner hole of the guide sleeve 1 through the damping holes 12;
one end of the cylinder 6 is an open end, the other end of the cylinder is a closed end, the piston head of the piston rod 5 is inserted into the cylinder 6 from the open end and is in sealing fit with the inner hole of the cylinder 6, and a cavity between the piston head and the closed end of the cylinder 6 is an accommodating cavity; the closed end of the cylinder 6 is inserted into the threaded through hole and is in threaded connection with the threaded through hole; the discharge end of the lubricating pipe 3 is fixed on the side wall of the cylinder 6 and is communicated with the containing cavity; the top end of the connecting pipe 9 is inserted into the threaded through hole, is connected with the closed end of the barrel 6 and is communicated with the accommodating cavity, the bottom end of the connecting pipe 9 is inserted into the connecting hole 13, and the outer wall of the connecting pipe 9 is hermetically connected with the hole wall of the connecting hole 13;
the first one-way valve 7 and the second one-way valve 8 are respectively connected into the lubricating pipe 3 and the connecting pipe 9, lubricating liquid flows into the accommodating cavity through the first one-way valve 7, and the lubricating liquid enters the connecting hole 13 through the second one-way valve 8.
Can send into the chamber of holding through first check valve 7 with lubricated liquid through the pump machine, under the effect of the pump sending lubricated liquid of pump machine, the piston rod is outwards promoted to increase the space of holding the chamber, so that hold the chamber and save more lubricated liquid. When lubricating liquid needs to be injected into the guide mechanism, the piston rod is pressed downwards, and the piston head pushes the lubricating liquid in the accommodating cavity to enter the second one-way valve and be sent into the accommodating cavity 11 through the connecting pipe 9 and the connecting hole 13. Because the holding tank 11 is through the remaining 1 inner chamber intercommunication of uide bushing of damping hole 12, consequently lubricated liquid flows to the space that the resistance is little earlier, fills holding tank 11 earlier promptly, and then in rethread damping hole circumference evenly gets into the hole of uide bushing 1 to fully lubricate the contact site between uide bushing 1 and the guide post, reduce the frictional force in the direction operation, improve the inside condition of generating heat of guiding mechanism, do benefit to guiding mechanism and keep normal stable operating condition.
When the lubricating liquid is pumped into the accommodating cavity 18, the second one-way valve can be opened under the action of the pumped pressure fluid, and enough pushing damping can also be arranged on the second one-way valve, so that the pressure fluid only pushes the piston rod to move outwards, the second one-way valve is not opened, and the second one-way valve is pushed and opened inwards by the piston rod; alternatively, a shut-off valve is connected to the connection pipe 9, and the shut-off valve controls the on/off state of the connection pipe 9.
Although the system is a system for pumping the lubricating liquid to the plurality of dies based on one pump, the guide mechanism of each die is provided with the accommodating cavity 18 for accommodating the lubricating liquid, so that the guide mechanism of each die can obtain enough lubricating liquid, the quantity of the lubricating liquid obtained by each die can be accurately known through the extending length of the piston rod, and then whether the lubricating liquid of the guide mechanism of each die is enough or not and the working state of the guide mechanism is normal or not can be accurately judged, so that the guide mechanism can be effectively ensured to obtain enough lubricating liquid, the internal friction is reduced, the heat productivity is reduced, and the normal work of the guide mechanism is facilitated.
Meanwhile, in the invention, after the lubricating liquid enters the guide sleeve 1, the accommodating groove is filled, and then the lubricating liquid is pushed by the piston rod to pass through the damping holes to enter the inner cavity of the guide sleeve 1, and the damping holes are uniformly distributed in the circumferential direction, so that the matching surface between the guide sleeve 1 and the guide column 2 is lubricated by the lubricating liquid in the whole circumferential direction, the integral lubrication of the guide mechanism is effectively ensured, and the condition that the matching surface far away from the lubricating liquid inlet end cannot be lubricated is effectively avoided.
Example 2
This embodiment is to explain the present invention further based on embodiment 1.
In actual use, the more the lubricating liquid is, the better the lubricating and heat dissipation of the guide post 2 and the guide sleeve 1 are. And too much lubricating liquid between the guide post and the guide sleeve can flow downwards to the lower die base along the guide post under the action of gravity, so that the whole lower die base is stained with the lubricating liquid and adsorbs dust. Therefore, in the invention, a collecting assembly is arranged on one side of the guide post 2 far away from the guide sleeve 1, the collecting assembly comprises a rubber sealing ring 14 and a collecting ring 15, the axes of the rubber sealing ring and the collecting ring are coincident with the axis of the guide post 2, the collecting ring 15 is sleeved on the guide post 2 and is in threaded connection with the side wall of the guide post 2 close to the lower die base, an annular collecting groove 16 is arranged on the upper surface of the collecting ring 15, and the axis of the collecting groove 16 is coincident with the axis of the guide post 2;
the side wall of the guide column 2 is provided with an annular positioning groove, the axis of the positioning groove coincides with the axis of the guide column 2, the inner side of the sealing ring 14 is inserted into the positioning groove, and the outer side wall of the sealing ring is positioned right above the collecting groove 16.
When the supply amount of the lubricating liquid is increased, the redundant lubricating liquid flows downwards along the circumferential wall of the guide column 2, flows outwards firstly when flowing onto the sealing ring 14, flows downwards and falls into the collecting groove 16, the lubricating liquid in the collecting groove 16 can be sucked out by a suction pipe and a pump body for recycling or recycling, and the situations that the whole lower die holder is stained with the lubricating liquid and absorbs dust are effectively avoided.
When the supply of the lubricating liquid is increased, if the piston rod is inconvenient to push the lubricating liquid, when the lubricating liquid is directly pumped into the inner hole of the guide sleeve by using a pump, the piston rod can be fixed on the supporting plate or the upper die holder or the guide sleeve by using parts such as bolts and the like.
Furthermore, the lower surface of the sealing ring 14 protrudes outward to form a conical ring 17, the axis of the conical ring 17 coincides with the axis of the guide post 2, the small-diameter end thereof is connected with the sealing ring 14, and the large-diameter end thereof is inserted into the collecting groove 16.
Further, the rubber seal 14 is an O-ring.
The provision of the conical ring 17 further guides the lubricating liquid so that it steadily drops into the collecting gutter 16.
Example 3
This embodiment is to further explain the invention based on embodiment 1.
In the present invention, the cylinder 6 is made of a transparent material, and scale lines for marking the height dimension of the accommodating chamber are provided on the sidewall thereof along the axis thereof.
The cylinder 6 is made of a transparent material, which facilitates further accurate knowledge of the amount of lubricating liquid obtained by each die.
Since the outer diameter of the damping ring 10 is larger than the inner diameter of the guide cylinder, the following ways are available to facilitate the installation of the damping ring 10.
In the first mode, the guide cylinder is equally divided into a left half cylinder and a right half cylinder by a plane passing through the axis of the guide cylinder, when the guide cylinder is installed, the left half cylinder and the right half cylinder are respectively buckled on the damping ring 10 through the installation groove, and a sealing ring can be arranged at the matching part of the damping ring 10 and the installation groove and used for improving the sealing property of the matching part of the damping ring 10 and the installation groove; then the left half cylinder and the right half cylinder are welded and connected;
the damping ring 10 is arranged into a three-opening ring structure, and then the damping ring is placed into an inner hole of the guide sleeve from the open end of the guide sleeve and is clamped into the mounting groove;
the third method comprises the following steps: the guide cylinder 10 is divided into an upper cylinder and a lower cylinder by a plane perpendicular to the axis of the guide cylinder, the damping ring 10 is installed between the pain and the lower cylinder, and the upper cylinder and the lower cylinder can be connected in a sealing mode through a flange assembly, can also be connected in a sealing mode through welding, or can be connected with the damping ring in a threaded mode.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be made by those skilled in the art without inventive work within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (3)

1. Fillet cut guiding mechanism for cut-and-press die, include uide bushing (1) be connected with the upper die base and guide post (2) be connected with the die holder, during the hole of uide bushing (1) was inserted on the top of guide post (2) be provided with lubricated pipe (3) on uide bushing (1), the feed end and the lubricating liquid source intercommunication of lubricated pipe (3), the hole intercommunication of its discharge end and uide bushing (1), its characterized in that: the discharge end of the lubricating pipe (3) is communicated with the inner hole of the guide sleeve (1) through a lubricating component; the lubricating component comprises a piston rod (5), a cylinder body (6), a first one-way valve (7), a second one-way valve (8), a connecting pipe (9) and a damping ring (10), wherein,
the outer wall of the guide sleeve (1) is connected with a support plate (4), and the support plate (4) is provided with a threaded through hole; an annular mounting groove with the axis coincident with the axis of the guide sleeve (1) is formed in the inner wall of the guide sleeve (1), an annular accommodating groove (11) is formed in the bottom of the mounting groove, and a connecting hole (13) communicated with the accommodating groove (11) is formed in the outer wall of the guide sleeve (1); the outer side wall of the damping ring (10) is inserted into the mounting groove and is in contact with the groove bottom of the mounting groove, a plurality of damping holes (12) are uniformly formed in the damping ring (10) along the periphery of the damping ring, and the accommodating groove (11) is communicated with the inner hole of the guide sleeve (1) through the damping holes (12);
one end of the cylinder body (6) is an open end, the other end of the cylinder body is a closed end, a piston head of the piston rod (5) is inserted into the cylinder body (6) from the open end and is in sealing fit with an inner hole of the cylinder body (6), and a cavity between the piston head and the closed end of the cylinder body (6) is an accommodating cavity; the closed end of the cylinder (6) is inserted into the threaded through hole and is in threaded connection with the threaded through hole; the discharge end of the lubricating pipe (3) is fixed on the side wall of the cylinder body (6) and is communicated with the accommodating cavity; the top end of the connecting pipe (9) is inserted into the threaded through hole, is connected with the closed end of the barrel body (6) and is communicated with the accommodating cavity, the bottom end of the connecting pipe (9) is inserted into the connecting hole (13), and the outer wall of the connecting pipe (9) is hermetically connected with the hole wall of the connecting hole (13);
the first one-way valve (7) and the second one-way valve (8) are respectively connected into the lubricating pipe (3) and the connecting pipe (9), lubricating liquid flows into the accommodating cavity through the first one-way valve (7), and the lubricating liquid enters the connecting hole (13) through the second one-way valve (8); a collecting assembly is arranged on one side, far away from the guide sleeve (1), of the guide column (2), the collecting assembly comprises a rubber sealing ring (14) and a collecting ring (15), the axes of the rubber sealing ring and the collecting ring coincide with the axis of the guide column (2), the collecting ring (15) is sleeved on the guide column (2) and is in threaded connection with the side wall, close to the lower die holder, of the guide column (2), an annular collecting groove (16) is arranged on the upper surface of the collecting ring (15), and the axis of the collecting groove (16) coincides with the axis of the guide column (2);
an annular positioning groove is formed in the side wall of the guide column (2), the axis of the positioning groove is overlapped with the axis of the guide column (2), the inner side of the sealing ring (14) is inserted into the positioning groove, and the outer side wall of the sealing ring is positioned right above the collecting groove (16); the cylinder (6) is made of transparent material, and scale marks for marking the height dimension of the accommodating cavity are arranged on the side wall of the cylinder along the axis of the cylinder.
2. The guide mechanism for a corner cut punch according to claim 1, wherein: the lower surface of the sealing ring (14) protrudes outwards to form a conical ring (17), the axis of the conical ring (17) coincides with the axis of the guide column (2), the small-diameter end of the conical ring is connected with the sealing ring (14), and the large-diameter end of the conical ring is inserted into the collecting tank (16).
3. The guide mechanism for a corner cut punch according to claim 1, wherein: the rubber sealing ring (14) is an O-shaped sealing ring.
CN202010008627.7A 2020-01-06 2020-01-06 Guiding mechanism for fillet cutting and punching die Active CN111069405B (en)

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CN114406105A (en) * 2021-12-22 2022-04-29 上海磊圣实业发展有限公司 Automatic positioning system and device for automobile mold

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CN207695478U (en) * 2017-12-28 2018-08-07 三明市明网网络信息技术有限公司 A kind of accessory of hardware dies
CN208011265U (en) * 2017-12-14 2018-10-26 登封市华昌机械设备有限公司 A kind of guide sleeve of wood materials production
CN109590803A (en) * 2018-11-22 2019-04-09 叶挺 A kind of device of the portable heating lubricating oil on milling machine
CN209854307U (en) * 2019-01-28 2019-12-27 桐乡市众鑫化纤有限公司 Oil supply device of elasticizer

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CN201107411Y (en) * 2007-12-13 2008-08-27 中国石油集团东方地球物理勘探有限责任公司 Circulating lubrication guide pole
CN101879554A (en) * 2010-06-17 2010-11-10 江苏大学 Lubricating structure of precise punching mold slide guide device
CN208011265U (en) * 2017-12-14 2018-10-26 登封市华昌机械设备有限公司 A kind of guide sleeve of wood materials production
CN207695478U (en) * 2017-12-28 2018-08-07 三明市明网网络信息技术有限公司 A kind of accessory of hardware dies
CN109590803A (en) * 2018-11-22 2019-04-09 叶挺 A kind of device of the portable heating lubricating oil on milling machine
CN209854307U (en) * 2019-01-28 2019-12-27 桐乡市众鑫化纤有限公司 Oil supply device of elasticizer

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