CN214603185U - Valve block inclined hole machining tool - Google Patents
Valve block inclined hole machining tool Download PDFInfo
- Publication number
- CN214603185U CN214603185U CN202120421694.1U CN202120421694U CN214603185U CN 214603185 U CN214603185 U CN 214603185U CN 202120421694 U CN202120421694 U CN 202120421694U CN 214603185 U CN214603185 U CN 214603185U
- Authority
- CN
- China
- Prior art keywords
- hole
- valve block
- positioning
- drill
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Drilling And Boring (AREA)
Abstract
The utility model relates to a valve block inclined hole processing frock belongs to hand drill's processing auxiliary device technical field. During drilling, a valve block workpiece is placed on the mounting and positioning block and is tightly attached, then the matched drill jig is placed, the position and the direction of the drill jig are adjusted, and the valve block workpiece is ensured to be attached to the mounting and positioning block, so that the direction and the position of drilling are ensured. The drill bit of the hand drill machine is processed through the drill bit positioning hole of the drill jig. The drill chip removal hole in the center of the drill jig can remove chips from the drill, so that the processing precision of the hole is ensured. The steel sleeve on the drill jig has higher hardness, and can effectively protect the drill jig from being damaged by a drill bit. And after drilling, taking out the drilling jig, replacing the valve block workpiece, and continuously processing the next product. The utility model discloses simple structure is reliable, can solve the processing problem that the oil circuit runs through the inclined hole between the valve opening of cartridge valve piece and the valve opening, ensures the position and the size precision of inclined hole, and machining efficiency is high, and is reliable and stable.
Description
Technical Field
The utility model relates to a valve block inclined hole processing frock belongs to hand drill's processing auxiliary device technical field.
Background
The hydraulic oil cylinder is an important actuating mechanism in engineering machinery, and a hydraulic cartridge balance valve and a valve block thereof are added on an oil cylinder product in order to ensure the stable operation of the hydraulic oil cylinder, particularly the stability of the whole mechanism when an external force is suddenly increased or reduced on the high-end engineering machinery hydraulic oil cylinder product at present. The conventional hydraulic valve block usually needs to change the design of a valve hole in order to penetrate through an oil path, so that the valve block and the oil passing holes can be conveniently machined, and in order to machine the oil passing holes, some process holes are inevitably added, and after machining, repair welding or oil blocking is needed for sealing, so that the risk of leakage is undoubtedly increased. In order to reduce the process holes, and meanwhile, under the condition that the installation space of the oil cylinder is limited or the position of the valve hole is required, and in order to enable the structure of the valve block to be more compact, an inclined hole is designed between the valve hole and the valve hole to penetrate through the inclined hole. The position precision of these inclined holes requires highly, if do not design suitable frock and fix a position, its size and position progress all can't guarantee. The structure of valve piece can be seen in fig. 1, is provided with on the valve piece to be the valve opening of arranging side by side, is linked together through the valve piece inclined hole between two valve openings, sets up the valve opening that is connected with valve piece inclined hole upper end for first valve opening, sets up the valve opening that is connected with the valve piece inclined hole lower extreme of treating the processing for the second valve opening, and the size parameter of valve piece inclined hole includes: the vertical distance D1 between the axis of the valve block inclined hole and the position of the upper end face of the valve block on the upper end face of the valve block inclined hole; the horizontal distance D2 between the upper end surface of the valve block inclined hole and the axis of the first valve hole; and the included angle D3 between the axis of the inclined hole of the valve block and the axis of the first valve hole. The dimensions D1, D2, D3 and the positional accuracy therebetween are important for the entire valve block, which may be scrapped if any one of its dimensions cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a valve block inclined hole processing frock to solve the processing problem that the oil circuit runs through the inclined hole between the valve opening of cartridge valve block and the valve opening, ensure the position and the size precision of inclined hole, and machining efficiency is high, and is reliable and stable.
The utility model provides a technical scheme that its technical problem adopted is: the valve block inclined hole machining tool comprises an installation positioning block and a drill jig, wherein the bottom surface of the installation positioning block is provided with a horizontally arranged first reference surface, the top of the installation positioning block is provided with a positioning groove for positioning and assembling a valve block workpiece, the positioning groove is provided with a second reference surface for being attached to the bottom surface of the valve block workpiece, a third reference surface for being attached to the first side surface of the valve block workpiece and a fourth reference surface for being attached to the second side surface of the valve block workpiece, the second reference surface is obliquely arranged relative to the first reference surface, one end of the third reference surface is located at the top end of the installation positioning block, and the other end of the third reference surface is intersected with the fourth reference surface; the drill jig comprises a fixed block, the lower end face of the fixed block is a face for being attached to the top end face of the valve block workpiece, the lower end face of the fixed block is provided with a positioning bulge matched with a valve hole in the valve block workpiece, and the side face of the fixed block is provided with a first drill jig positioning face for being attached to a third reference face; the drill jig is provided with a drill bit positioning hole, the position of the drill bit positioning hole corresponds to the position of an inclined hole of the valve block to be processed, one end of the drill bit positioning hole is positioned on the fixed block, and the other end of the drill bit positioning hole is positioned on the positioning protrusion.
Further, the method comprises the following steps: the third reference plane is perpendicular to the first reference plane and is also perpendicular to the second reference plane, and the fourth reference plane is perpendicular to the third reference plane and is also perpendicular to the second reference plane.
Further, the method comprises the following steps: the top positioning groove of the mounting positioning block is a rectangular notch groove, and the other three side surfaces except the second reference surface, the third reference surface and the fourth reference surface are all of an opening structure.
Further, the method comprises the following steps: the positioning bulge of the drill jig is provided with a drill bit chip removal hole at the end face position far away from one end of the fixed block, and the inner end of the drill bit chip removal hole and the drill bit positioning hole have an intersection part.
Further, the method comprises the following steps: the end of the drill positioning hole on the fixing block is provided with a step-shaped enlarged hole at the end surface position as a fixing sleeve mounting hole, and a fixing protective sleeve is embedded in the fixing sleeve mounting hole.
Further, the method comprises the following steps: the fixed protective sleeve is a steel sleeve.
Further, the method comprises the following steps: the outer end surface of the mounting hole of the fixing sleeve is a plane.
Further, the method comprises the following steps: the valve block workpiece is provided with valve holes which are arranged side by side, the valve hole connected with the upper end of the inclined hole of the valve block to be processed is set as a first valve hole, and the valve hole connected with the lower end of the inclined hole of the valve block to be processed is set as a second valve hole; the valve block workpiece is assembled in the top positioning groove of the mounting positioning block, the bottom surface of the valve block workpiece is attached to the second reference surface, two side surfaces of the valve block workpiece are respectively attached to the third reference surface and the fourth reference surface, and the axis of an inclined hole of the valve block to be processed is vertical to the first reference surface; the positioning bulge of the drill jig is assembled in the first valve hole, the lower end face of the fixing block is attached to the top end face of the valve block workpiece, the first positioning face of the drill jig is attached to the third reference face, and the drill bit positioning hole is coaxial with the valve block inclined hole to be machined.
The utility model has the advantages that: during drilling, a valve block workpiece is placed on the mounting and positioning block and is tightly attached, then the matched drill jig is placed, the position and the direction of the drill jig are adjusted, and the valve block workpiece is ensured to be attached to the mounting and positioning block, so that the direction and the position of drilling are ensured. The drill bit of the hand drill machine is processed through the drill bit positioning hole of the drill jig. The drill chip removal hole in the center of the drill jig can remove chips from the drill, so that the processing precision of the hole is ensured. The steel sleeve on the drill jig has higher hardness, and can effectively protect the drill jig from being damaged by a drill bit. And after drilling, taking out the drilling jig, replacing the valve block workpiece, and continuously processing the next product. The utility model discloses simple structure is reliable, can solve the processing problem that the oil circuit runs through the inclined hole between the valve opening of cartridge valve piece and the valve opening, ensures the position and the size precision of inclined hole, and machining efficiency is high, and is reliable and stable.
Drawings
Fig. 1 is a sectional view of a valve block according to the present invention;
fig. 2 is a front view of the present invention in practice;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIG. 4 is a front view of the positioning block of the present invention;
FIG. 5 is a left side view of FIG. 4;
fig. 6 is a front view of the drill jig of the present invention;
FIG. 7 is a sectional view A-A of FIG. 6;
fig. 8 is a top view of fig. 6.
The names of the corresponding parts in the drawing are as follows:
1-mounting a positioning block, 1 a-first datum plane, 1 b-second datum plane, 1 c-third datum plane, 1 d-fourth datum plane, 2-valve block workpiece, 21-valve hole, 21 a-first valve hole, 21 b-second valve hole, 22-valve block inclined hole, 3-drill jig, 31-fixing block, 32-positioning protrusion, 33-drill positioning hole, 34-drill chip removal hole, 35-fixing sleeve mounting hole, 3 a-drill jig first positioning plane, 4-fixing protective sleeve and 5-drill.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 2 to 8, the utility model discloses a mounting and positioning block 1 and jig 3, the bottom surface of mounting and positioning block 1 has the first reference surface 1a that the level set up, the top of mounting and positioning block 1 has the constant head tank that is used for the location assembly valve block work piece 2, the constant head tank has the second reference surface 1b that is used for laminating with valve block work piece 2 bottom surface, a third reference surface 1c that is used for laminating with valve block work piece 2 first side and a fourth reference surface 1d that is used for laminating with valve block work piece 2 second side, second reference surface 1b is arranged with slope relative to first reference surface 1a, one end of third reference surface 1c is located the top position of mounting and positioning block 1, the other end intersects with fourth reference surface 1 d; the drill jig 3 comprises a fixed block 31, the lower end face of the fixed block 31 is a face for being attached to the top end face of the valve block workpiece 2, the lower end face of the fixed block 31 is provided with a positioning protrusion 32 matched with the valve hole 21 on the valve block workpiece 2, and the side face of the fixed block 31 is provided with a first drill jig positioning face 3a for being attached to a third reference face 1 c; the drill jig 3 is provided with a drill positioning hole 33, the position of the drill positioning hole 33 corresponds to the position of the valve block inclined hole 22 to be processed, one end of the drill positioning hole 33 is positioned on the fixed block 31, and the other end of the drill positioning hole 33 is positioned on the positioning protrusion 32.
When the device is specifically implemented, the device also comprises a valve block workpiece 2, the valve holes 21 which are arranged side by side are arranged on the valve block workpiece 2, the valve hole 21 connected with the upper end of the valve block inclined hole 22 to be processed is set as a first valve hole 21a, and the valve hole 21 connected with the lower end of the valve block inclined hole 22 to be processed is set as a second valve hole 21 b; the valve block workpiece 2 is assembled in a top positioning groove of the mounting and positioning block 1, the bottom surface of the valve block workpiece 2 is attached to a second reference surface 1b, two side surfaces of the valve block workpiece 2 are respectively attached to a third reference surface 1c and a fourth reference surface 1d, and the axis of a valve block inclined hole 22 to be processed is vertical to the first reference surface 1 a; the positioning bulge 32 of the drill jig 3 is assembled in the first valve hole 21a, the lower end face of the fixed block 31 is attached to the top end face of the valve block workpiece 2, the first positioning face 3a of the drill jig is attached to the third reference face 1c, and the drill positioning hole 33 is coaxial with the valve block inclined hole 22 to be processed. The first positioning surface 3a of the drill jig is attached to the third reference surface 1c, so that the direction of the drill jig 3 can be positioned, the coaxial line of the drill positioning hole 33 and the valve block inclined hole 22 to be processed is ensured, and the drill positioning hole and the valve block inclined hole are both vertically arranged. After the hand-operated drilling machine is assembled, the drill bit 5 of the hand-operated drilling machine is processed through the drill bit positioning hole 33 of the drill jig 3. Referring to fig. 1 and 7, wherein the dimensional parameters of the jig 3 are adapted to the inclined hole 22 of the valve block to be processed, the dimensional parameters of the jig 3 include: the outer diameter D4 of positioning protrusion 32, the included angle D5 between the axis of drill bit positioning hole 33 and the axis of positioning protrusion 32, the vertical distance D6 between the axis of drill bit positioning hole 33 and the lower end face of fixed block 31 at the position of the lower end face of drill bit positioning hole 33, D4 is 2 × D2, D5 is D3, and D6 is D1. By the positioning mode, the position and the size precision of the machined valve block inclined hole 22 can be ensured.
The positioning accuracy of the valve block workpiece 2 can be ensured by the four reference surfaces (the first reference surface 1a, the second reference surface 1b, the third reference surface 1c, and the fourth reference surface 1d) attached to the positioning block 1. It should be understood that the third reference surface 1c and the fourth reference surface 1d are used to position both side surfaces of the valve block workpiece 2 to match the outer shape of the valve block workpiece 2. For the convenience of machining and positioning, the second reference surface 1b, the third reference surface 1c, and the fourth reference surface 1d are generally designed to be perpendicular to each other, and specifically, the third reference surface 1c is perpendicular to the first reference surface 1a and is perpendicular to the second reference surface 1b at the same time, and the fourth reference surface 1d is perpendicular to the third reference surface 1c and is perpendicular to the second reference surface 1b at the same time.
In order to adapt to more valve block workpieces 2 with different specifications and facilitate the assembly of the valve block workpieces 2, the top positioning groove of the mounting and positioning block 1 is a rectangular notch groove, and the other three side surfaces except the second reference surface 1b, the third reference surface 1c and the fourth reference surface 1d are all in an opening structure.
In order to improve the processing efficiency and the processing precision, the positioning bulge 32 of the drill jig 3 is provided with a drill chip removal hole 34 at the end surface position far away from one end of the fixed block 31, and the inner end of the drill chip removal hole 34 and the drill positioning hole 33 have an intersection part. During the machining process, when the chip needs to be removed, the drill bit 5 is lifted, and the iron chips are discharged from the chip removal hole 34 in the middle of the drill jig 3. And after the drill 5 finishes drilling the hole of the valve block workpiece 2, withdrawing the valve block workpiece 2 and the drill jig 3, and replacing the next valve block workpiece 2 for continuous processing.
In order to protect the drill jig 3 from being damaged by the drill 5, the end of the drill positioning hole 33 on the fixing block 31 is provided with a step-shaped enlarged hole at the end surface position as a fixing sleeve mounting hole 35, and a fixing protective sleeve 4 is embedded in the fixing sleeve mounting hole 35. The fixed protective sleeve 4 is preferably a steel sleeve, which has high hardness and can effectively protect the drill jig 3 from being damaged by the drill bit 5.
The outer end face of the fixing sleeve mounting hole 35 is a plane, so that the drill positioning hole 33 and the fixing sleeve mounting hole 35 can be conveniently machined, and meanwhile, the outer end face of the fixing sleeve mounting hole 35 can also be used as a depth reference during drilling, so that the drill 5 can be conveniently machined during drilling.
Claims (8)
1. Valve block inclined hole processing frock, its characterized in that: the valve block assembling device comprises an installing and positioning block (1) and a drill jig (3), wherein the bottom surface of the installing and positioning block (1) is provided with a first reference surface (1a) which is horizontally arranged, the top of the installing and positioning block (1) is provided with a positioning groove used for positioning and assembling a valve block workpiece (2), the positioning groove is provided with a second reference surface (1b) which is attached to the bottom surface of the valve block workpiece (2), a third reference surface (1c) which is attached to the first side surface of the valve block workpiece (2) and a fourth reference surface (1d) which is attached to the second side surface of the valve block workpiece (2), the second reference surface (1b) is obliquely arranged relative to the first reference surface (1a), one end of the third reference surface (1c) is located at the top end of the installing and positioning block (1), and the other end of the third reference surface intersects with the fourth reference surface (1 d);
the drill jig (3) comprises a fixed block (31), the lower end face of the fixed block (31) is a face for being attached to the top end face of the valve block workpiece (2), the lower end face of the fixed block (31) is provided with a positioning protrusion (32) matched with a valve hole (21) in the valve block workpiece (2), and the side face of the fixed block (31) is provided with a first drill jig positioning face (3a) for being attached to a third reference face (1 c); the drill jig (3) is provided with a drill positioning hole (33), the position of the drill positioning hole (33) corresponds to the position of the valve block inclined hole (22) to be processed, one end of the drill positioning hole (33) is positioned on the fixing block (31), and the other end of the drill positioning hole is positioned on the positioning bulge (32).
2. The valve block inclined hole machining tool according to claim 1, characterized in that: the third reference surface (1c) is perpendicular to the first reference surface (1a) and also perpendicular to the second reference surface (1b), and the fourth reference surface (1d) is perpendicular to the third reference surface (1c) and also perpendicular to the second reference surface (1 b).
3. The valve block inclined hole machining tool according to claim 2, characterized in that: the top positioning groove of the mounting positioning block (1) is a rectangular notch groove, and the other three side surfaces except the second reference surface (1b), the third reference surface (1c) and the fourth reference surface (1d) are all of an opening structure.
4. The valve block inclined hole machining tool according to claim 1, characterized in that: the end face of the positioning bulge (32) of the drill jig (3) far away from one end of the fixed block (31) is provided with a drill bit chip removal hole (34), and the inner end of the drill bit chip removal hole (34) and the drill bit positioning hole (33) have an intersection part.
5. The valve block inclined hole machining tool according to claim 1, characterized in that: the end, located on the fixed block (31), of the drill positioning hole (33) is provided with a step-shaped enlarged hole at the end face position to serve as a fixed sleeve mounting hole (35), and a fixed protective sleeve (4) is embedded in the fixed sleeve mounting hole (35).
6. The valve block inclined hole machining tool according to claim 5, characterized in that: the fixed protective sleeve (4) is a steel sleeve.
7. The valve block inclined hole machining tool according to claim 5, characterized in that: the outer end surface of the fixing sleeve mounting hole (35) is a plane.
8. The valve block inclined hole machining tool according to any one of claims 1 to 7, characterized in that: the machining device is characterized by further comprising a valve block workpiece (2), wherein valve holes (21) which are arranged side by side are formed in the valve block workpiece (2), the valve hole (21) connected with the upper end of the valve block inclined hole (22) to be machined is set as a first valve hole (21a), and the valve hole (21) connected with the lower end of the valve block inclined hole (22) to be machined is set as a second valve hole (21 b); the valve block workpiece (2) is assembled in a top positioning groove of the mounting positioning block (1), the bottom surface of the valve block workpiece (2) is attached to a second reference surface (1b), two side surfaces of the valve block workpiece (2) are respectively attached to a third reference surface (1c) and a fourth reference surface (1d), and the axis of a valve block inclined hole (22) to be processed is vertical to the first reference surface (1 a); the positioning protrusion (32) of the drill jig (3) is assembled in the first valve hole (21a), the lower end face of the fixing block (31) is attached to the top end face of the valve block workpiece (2), the first positioning face (3a) of the drill jig is attached to the third reference face (1c), and the drill positioning hole (33) is coaxial with the valve block inclined hole (22) to be machined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120421694.1U CN214603185U (en) | 2021-02-25 | 2021-02-25 | Valve block inclined hole machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120421694.1U CN214603185U (en) | 2021-02-25 | 2021-02-25 | Valve block inclined hole machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214603185U true CN214603185U (en) | 2021-11-05 |
Family
ID=78391532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120421694.1U Active CN214603185U (en) | 2021-02-25 | 2021-02-25 | Valve block inclined hole machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214603185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589518A (en) * | 2022-02-28 | 2022-06-07 | 中信重工机械股份有限公司 | Machining die and machining method for dense different-surface staggered oil holes of distribution valve body |
-
2021
- 2021-02-25 CN CN202120421694.1U patent/CN214603185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589518A (en) * | 2022-02-28 | 2022-06-07 | 中信重工机械股份有限公司 | Machining die and machining method for dense different-surface staggered oil holes of distribution valve body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204565224U (en) | For processing the drill jig of cover parts radial hole | |
| CN201020623Y (en) | Internal-bulging type hydraulic cylinder for positioning engine cylinder | |
| CN214603185U (en) | Valve block inclined hole machining tool | |
| CN213614342U (en) | Deep hole bores uide bushing | |
| CN208083908U (en) | A kind of 5-axis machining center special fixture | |
| KR20080051719A (en) | A work setting jig unit for machine tools | |
| CN203696170U (en) | Built-up jig for machining main body and sleeve of lathe wrench | |
| KR101227005B1 (en) | The cutting method of set plate hole manufacture for piston type fluid pressure pump | |
| KR101227002B1 (en) | Set plate hole manufacture cutting tool for piston type fluid pressure pump | |
| CN204657943U (en) | Clutch netware connector drilling equipment | |
| KR20130085682A (en) | A pallet clamping device of machining center | |
| CN207548257U (en) | A kind of fixture for end tooth flange york milling counterbore | |
| CN216881869U (en) | Planet carrier subassembly boring jig | |
| CN214815064U (en) | Boring and drilling integrated machine for machining main end beam of crane | |
| KR100507630B1 (en) | Tool clamping and unclamping device of the automatic tool changer | |
| CN212043621U (en) | 6-station single-piston and double-piston interchange guide hole integrated fixture device | |
| CN112959136B (en) | Porous efficient machining device in spoke groove of disc part and machining process of porous efficient machining device | |
| CN218926335U (en) | Splash-proof drilling machine tool | |
| CN215616808U (en) | Protection mechanism of cutting machine tool | |
| CN217223918U (en) | Oil cylinder chamfering device | |
| CN217018719U (en) | Be applicable to water pump band pulley drilling adds clamping apparatus | |
| CN219581700U (en) | Machining tool apron assembly | |
| KR100350631B1 (en) | an air cutting off mechanism of a closed circuit for an automatic tool changer | |
| CN214684377U (en) | Clamp for machining inclined hole on front cover of compressor | |
| CN214815109U (en) | Drilling tool for outer peripheral plane of box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |