CN217413280U

CN217413280U - Compact machining clamp for small parts of engine

Info

Publication number: CN217413280U
Application number: CN202221194270.7U
Authority: CN
Inventors: 黄乐; 袁文; 彭科; 向春林; 高伟深; 冷志斌
Original assignee: Changsha Yueyang Precision Manufacturing Co ltd
Current assignee: Changsha Yueyang Precision Manufacturing Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-13
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a compact machining clamp for small engine parts, which comprises a base plate, an oil circuit system arranged in the base plate, an air tightness detection mechanism arranged above the base plate and communicated with the oil circuit system, a cylinder cover retainer clamp, a compressor bracket clamp and a valve bracket clamp, wherein the cylinder cover retainer clamp, the compressor bracket clamp and the valve bracket clamp are arranged above the base plate; the valve support clamp comprises a positioning clamp for 2 procedures of the valve support; the compressor bracket clamp is arranged on one side of the valve bracket clamp; a plurality of cylinder cover retainer clamps are arranged on the substrate; the bottom of the substrate is provided with a positioning pin or a positioning hole for positioning when the substrate is installed; the utility model discloses a three kinds of products of anchor clamps base plate simultaneous processing realize processing in batches, reduce equipment input, control processing cost.

Description

Compact machining clamp for small parts of engine

Technical Field

The utility model relates to an anchor clamps technical field, in particular to compact adds clamping apparatus of engine finding.

Background

The small part clamp of the engine is used for positioning and clamping the small parts of the engine when the small parts of the engine are machined by a machining center, and inaccurate part positioning and machining precision in the machining process are prevented.

In the production and machining processes of small engine parts, the competitiveness of an enterprise is directly determined by the machining efficiency, and the small engine parts are small in general shape, complex in product process and multiple in product types. Therefore, efficient machining is required for machining small engine parts. The common engine small part machining clamp is mainly a special clamp, one part is machined at a time, and clamping switching of different parts is achieved through switching equipment or clamps. This method requires a large amount of equipment and a turnaround between processes for installing small parts, resulting in a reduction in machining efficiency and an increase in machining cost.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a compact machining clamp for small parts of an engine, which comprises a base plate, an oil circuit system arranged in the base plate, an air tightness detection mechanism arranged above the base plate and communicated with the oil circuit system, a cylinder cover retainer clamp arranged above the base plate, a compressor bracket clamp and a valve bracket clamp;

the valve support clamp comprises a positioning clamp for 2 procedures of the valve support;

the compressor bracket clamp is arranged on one side of the valve bracket clamp;

a plurality of cylinder cover retainer clamps are arranged on the substrate;

the bottom of the substrate is provided with a positioning pin or a positioning hole for positioning when the substrate is installed;

and the oil circuit system is communicated with the cylinder cover retainer clamp, the compressor support clamp and the valve support clamp and is used for hydraulic control of the cylinder cover retainer clamp, the compressor support clamp and the valve support clamp.

Preferably, the valve support clamp comprises a first valve support clamp and a second valve support clamp which are respectively matched with the 2 working procedures of the valve support; the first valve mount clamp includes: the three first pressing mechanisms are fixedly arranged on the base plate in a triangular mode, the two coarse positioning columns are matched with two opposite side faces of the valve support, a plurality of groups of first positioning blocks and first auxiliary supporting blocks are arranged on the base plate and are matched with the valve support, and the two first spring limiting and positioning mechanisms are respectively positioned on the opposite sides of the valve support and comprise supporting blocks arranged on the base plate, positioning pins horizontally arranged on the supporting blocks and compression springs arranged in the supporting blocks and connected with the positioning pins; one ends of the two positioning pins are respectively abutted with the two sides of the valve support; the second valve holder clamp includes: the device comprises coarse positioning upright columns arranged on the periphery of a valve support, a plurality of groups of second positioning blocks, second supporting blocks and second pressing mechanisms, wherein the plurality of groups of second positioning blocks, the second supporting blocks and the second pressing mechanisms are arranged on the substrate.

Preferably, the compressor bracket fixture comprises a plurality of groups of third positioning blocks, third supporting blocks, second spring limiting and positioning mechanisms, two third pressing mechanisms and third spring limiting and positioning mechanisms, wherein the third positioning blocks, the third supporting blocks, the second spring limiting and positioning mechanisms are arranged on the base plate and are positioned on the base plate, the second spring limiting and positioning mechanisms are arranged around three side faces of one end of the compressor bracket, the two third pressing mechanisms are arranged on the base plate, and the third spring limiting and positioning mechanisms are oppositely arranged on two side faces of the other end of the compressor bracket.

Preferably, the cylinder head holder clamps are arranged on the substrate in 8 groups.

Preferably, the cylinder head holder jig includes: the device comprises a pull rod seat, a driving oil cylinder arranged at the bottom of the pull rod seat, a transmission rod with one end connected with a piston rod of the driving oil cylinder, diagonal draw bars symmetrically arranged at two sides of the transmission rod, clamping jaws respectively arranged at one ends of the two diagonal draw bars, and a positioning seat arranged between the two clamping jaws;

the pull rod seat is provided with an inclined hole for accommodating the inclined pull rod, the outer side arm of the transmission rod is provided with a convex block, and the inclined pull rod is provided with a clamping groove matched with the convex block;

the positioning seat is fixedly installed at the top of the pull rod seat, limiting plunger assemblies are arranged on two sides of the positioning seat and used for positioning a cylinder cover retainer to be machined in a direction perpendicular to the clamping direction of the two clamping jaws.

Preferably, one side of the inclined hole is communicated with a first pin hole, a limiting and anti-rotating pin is arranged in the first pin hole, and a limiting groove matched with the limiting and anti-rotating pin is formed in the diagonal member.

Preferably, the side surface of the base plate is provided with an oil inlet and an oil outlet which are communicated with the oil way, and the base plate is provided with through holes which are communicated with the oil way system, a cylinder cover retainer clamp, a compressor support clamp and a valve support clamp.

Has the advantages that:

the utility model provides a compact machining clamp for small parts of an engine, which can simultaneously machine three products by adopting a clamp substrate; a cylinder cover retainer, a valve bracket and a compressor bracket are respectively arranged; the cylinder cover retainer comprises product positioning and processing of 1 procedure, 8 products can be processed at one time, and the quality stability of the 8 products is the same. The compressor support comprises positioning and processing of 2 faces of the finished product. The valve support comprises positioning and processing of each surface of a product processed by 2 procedures, and the valve support clamp is provided with a coarse positioning mechanism to realize rapid positioning of part clamping. The compact machining clamp for the small parts of the engine comprises a pressing mechanism, a rotating cylinder or a lever cylinder of a quick oil pressure clamping cylinder is adopted, the product is always kept in a stable state in the machining process, and the machining precision is guaranteed. And a spring limiting and positioning mechanism is adopted, so that the blank is easily clamped, and the batch stability of the machining size is realized.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the utility model in use;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic perspective view of the substrate of the present invention;

fig. 4 is a schematic structural view of the cylinder head retainer clamp of the present invention;

FIG. 5 is a cross-sectional view of the embodiment of FIG. 4;

FIG. 6 is a two-sectional view of the embodiment of FIG. 4;

10-substrate, 20-oil system, 30-airtight detection mechanism, 40-cylinder cover retainer clamp, 41-pull rod seat, 411-inclined hole, 412-first hole, 413-positioning pin hole, 414-first positioning pin, 415-first pin hole, 42-driving oil cylinder, 43-limiting anti-rotation pin, 44-limiting plunger component, 441-positioning frame, 442-plunger, 45-positioning seat, 451-second positioning pin, 452-screw, 46-clamping claw, 47-transmission rod, 471-lug, 472-high-strength bolt, 48-diagonal draw bar, 481-clamping groove, 482-limiting groove, 49-corrugated pressing block, 50-compressor clamp, 51-third positioning block, 52-third supporting block, 53-a second spring limit positioning mechanism, 54-a third pressing mechanism, 55-a third spring limit positioning mechanism, 60-a valve support clamp, 61-a first valve support clamp, 611-a first pressing mechanism, 612-a coarse positioning upright post, 613-a first positioning block, 614-a first auxiliary supporting block, 615-a first spring limit positioning mechanism, 62-a second valve support clamp, 621-a second positioning block, 622-a second supporting block and 623-a second pressing mechanism.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

Refer to fig. 1 to 6

Aiming at the defects in the prior art, the utility model provides a compact machining clamp for small parts of an engine, which comprises a base plate 10, an oil circuit system 20 arranged inside the base plate 10, an air tightness detection mechanism 30 arranged above the base plate 10 and communicated with the oil circuit system 20, a cylinder cover holder clamp 40 arranged above the base plate 10, a compressor support clamp and a valve support clamp 60; the air tightness detection mechanism 30 is arranged corresponding to the cylinder cover retainer clamp 40, the compressor support clamp and the valve support clamp 60, and is used for detecting the air tightness of each clamp and facilitating maintenance. The valve holder jig 60 includes a positioning jig for 2 processes of the valve holder; the compressor mount clamp is disposed at one side of the valve mount clamp 60; a plurality of cylinder cover retainer clamps 40 are arranged on the base plate 10; the substrate 10 can be clamped at one time, multiple parts can be processed simultaneously, and the method is multi-process and wide in application range. The bottom of the substrate 10 is provided with a positioning pin or a positioning hole for positioning when the substrate 10 is installed; and the oil way system 20 is communicated with the cylinder cover retainer clamp 40, the compressor support clamp and the valve support clamp 60 and is used for hydraulic control of the cylinder cover retainer clamp 40, the compressor support clamp and the valve support clamp 60.

In one embodiment, the valve support fixture 60 comprises a first valve support fixture 60 and a second valve support fixture 62 which are respectively matched with 2 procedures of machining of the valve support; the first valve bracket clamp 60 includes: the three first pressing mechanisms 611 which are fixed on the substrate 10 in a triangular manner, two coarse positioning columns 612 which are matched with two opposite side faces of the valve support, a plurality of groups of first positioning blocks 613 which are arranged on the substrate 10 and are matched with the valve support, a first auxiliary supporting block 614 and two first spring limiting positioning mechanisms 615 which are respectively located on opposite sides of the valve support, wherein the first pressing mechanisms 611 are respectively and correspondingly arranged at three positions of the valve support, the coarse positioning columns 612 are used for rapidly clamping the valve support, the first positioning blocks 613 and the first auxiliary supporting blocks 614 are used for supporting and positioning the valve support, and the first spring limiting positioning mechanisms 615 are respectively located at two sides of the valve support to achieve positioning in the horizontal direction. The first spring position-limiting and positioning mechanism 615 comprises a supporting block arranged on the substrate 10, a positioning pin horizontally arranged on the supporting block, and a compression spring arranged in the supporting block and connected with the positioning pin; one ends of the two positioning pins are respectively abutted against two sides of the valve support; the second valve holder clamp 62 includes: the positioning device comprises a coarse positioning upright column 612 arranged on the periphery of the valve support, a plurality of groups of second positioning blocks 621, second supporting blocks 622 and second pressing mechanisms 623 arranged on the substrate 10.

In one embodiment of the disclosure, a third positioning block 51 is disposed at the bottom of one end of the compressor bracket, a second spring limiting and positioning mechanism 53 is disposed around three sides, a third supporting block 52 and a third positioning block 51 are disposed at the bottom of the middle end of the compressor bracket, a third pressing mechanism 54 is disposed above the third positioning block 51, and a third positioning block 51 and second spring limiting and positioning mechanisms 53 are disposed at two sides of the bottom of the other end of the compressor bracket. The stable false installation of the processing of the compressor bracket is realized.

The first positioning block 613, the second positioning block 621 and the third positioning block 51 comprise positioning blocks and vertical positioning round pins or positioning edge pins vertically arranged on the positioning blocks, and the vertical positioning round pins or the positioning edge pins are matched with hole sites of the valve support and the compressor support to realize the limitation in the horizontal direction. The first pressing mechanism 611, the second pressing mechanism 623, and the third pressing mechanism 54 may be a quick oil pressure clamping cylinder rotating cylinder or a lever cylinder.

In this embodiment, the cylinder head holder clamps 40 are arranged on the base plate 10 in 8 groups, and 8 cylinder head holders can be processed simultaneously, so that the quality stability of 8 products is the same.

In one embodiment, the cylinder head holder clamp 40 includes: the device comprises a pull rod seat 41, a driving oil cylinder 42 arranged at the bottom of the pull rod seat 41, a transmission rod 47 with one end connected with a piston rod of the driving oil cylinder 42, diagonal draw bars 48 symmetrically arranged at two sides of the transmission rod 47, clamping jaws 46 respectively arranged at one ends of the two diagonal draw bars 48, and a positioning seat 45 arranged between the two clamping jaws 46; the pull rod seat 41 comprises a first hole 412 which is arranged at the center of the pull rod seat and is used for a piston rod of the driving oil cylinder 42 to pass through, and a positioning pin hole 413 which is used for positioning the driving oil cylinder 42; the driving oil cylinder 42 is in butt joint limit with the pull rod seat 41 and the equipment main body through a first positioning pin 414 arranged in a positioning pin hole 413; the pull rod seat 41 is provided with an inclined hole 411 for accommodating the inclined pull rod 48, the outer side wall of the driving rod 47 is provided with a projection 471, and the inclined pull rod 48 is provided with a clamping groove 481 matched with the projection 471; the lug 471 is matched with the clamping groove 481, so that the structure is simple and the assembly is convenient; the inclined hole 411 is used for guiding the pull rod seat 41 during the up-and-down movement of the transmission rod 47, so that the clamping and the loosening of the cylinder cover retainer by the clamping claw 46 are realized; the positioning seat 45 is fixedly installed at the top of the pull rod seat 41 through a screw 452 and a second positioning pin 451, so that the positioning seat 45 and the pull rod seat 41 are accurately positioned, the two sides of the positioning seat 45 are provided with limiting plunger 412 assemblies 44, the limiting plunger 412 assemblies are used for roughly positioning a cylinder head retainer to be processed and the clamping direction of the two clamping jaws in the vertical direction, and the clamping jaws 46 are fixed at the upper end of the diagonal draw bar 48 through bolts. The opposite inner sides of the two clamping claws 46 are provided with corrugated pressing blocks 49, and the corrugated pressing blocks 49 clamp two sides of the cylinder cover retainer. In one embodiment, the limiting plunger 412 assembly 44 includes positioning frames 441 symmetrically disposed on two sides of the pull rod seat 41 and plungers 412 disposed on the positioning frames 441, and the plungers 412 are disposed toward the cylinder head holder. In one embodiment, a first pin hole 415 is communicated with one side of the inclined hole 411, a limiting and anti-rotation pin 43 is communicated with the first pin hole 415, a limiting groove 482 matched with the limiting and anti-rotation pin 43 is formed in the inclined pull rod 48, the limiting groove 482 is formed in the outer side of the inclined pull rod 48, the limiting and anti-rotation pin 43 moves and guides along the limiting groove 482 when the inclined pull rod 48 ascends or descends, and the inclined pull rod 48 is prevented from rotating when the inclined pull rod 48 ascends or descends. The limiting anti-rotation pin 433 is in clearance fit with the limiting groove 482, and the driving oil cylinder 42 is ensured to drive the diagonal draw bar 48 to ascend or descend smoothly.

In this embodiment, an oil inlet and an oil outlet communicated with the oil path are provided on the side surface of the base plate 10, and a via hole communicated with the oil path system 20, the cylinder head holder clamp 40, the compressor support clamp and the valve support clamp 60 is provided on the base plate 10.

Has the beneficial effects that:

the utility model provides a compact machining clamp for small parts of an engine, which adopts a clamp substrate 10 to machine three products simultaneously; a cylinder cover retainer, a valve bracket and a compressor bracket are respectively arranged; the cylinder cover retainer comprises product positioning and processing of 1 procedure, 8 products can be processed at one time, and the quality stability of the 8 products is the same. The compressor support comprises positioning and processing of 2 faces of the finished product. The valve support comprises positioning and processing of each surface of a product processed by 2 procedures, and the valve support clamp 60 is provided with a coarse positioning mechanism to realize rapid positioning of part clamping. The compact machining clamp for the small parts of the engine comprises a pressing mechanism, a rotating cylinder or a lever cylinder of a quick oil pressure clamping cylinder is adopted, the product is always kept in a stable state in the machining process, and the machining precision is guaranteed. And a spring limiting and positioning mechanism is adopted, so that the blank is easily clamped, and the batch stability of the machining size is realized.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model discloses to the ordinary technical person of technical field, under the prerequisite that does not deviate from the utility model discloses the design, can also make a plurality of simple deductions or replacement.

Claims

1. The utility model provides an engine small parts compact machining anchor clamps which characterized in that includes:

the air tightness detection device comprises a base plate, an oil way system arranged in the base plate, an air tightness detection mechanism arranged above the base plate and communicated with the oil way system, a cylinder cover retainer clamp arranged above the base plate, a compressor support clamp and a valve support clamp;

a plurality of cylinder cover retainer clamps are arranged on the substrate;

2. The engine small part compact machining clamp according to claim 1, characterized in that the valve support clamp comprises a first valve support clamp and a second valve support clamp which are respectively matched with 2 procedures of machining of the valve support; the first valve mount clamp includes: the three first pressing mechanisms are fixedly arranged on the base plate in a triangular mode, the two coarse positioning columns are matched with two opposite side faces of the valve support, a plurality of groups of first positioning blocks and first auxiliary supporting blocks are arranged on the base plate and are matched with the valve support, and the two first spring limiting and positioning mechanisms are respectively positioned on the opposite sides of the valve support and comprise supporting blocks arranged on the base plate, positioning pins horizontally arranged on the supporting blocks and compression springs arranged in the supporting blocks and connected with the positioning pins; one ends of the two positioning pins are respectively abutted against two sides of the valve support; the second valve holder clamp includes: the device comprises coarse positioning upright columns arranged on the periphery of a valve support, a plurality of groups of second positioning blocks, second supporting blocks and second pressing mechanisms arranged on the base plate.

3. The engine small part compact machining clamp according to claim 1, wherein the compressor bracket clamp comprises a plurality of sets of third positioning blocks, third supporting blocks, second spring limiting and positioning mechanisms, two third pressing mechanisms and third spring limiting and positioning mechanisms, the third positioning blocks, the third supporting blocks, the second spring limiting and positioning mechanisms are arranged on the base plate and located on the base plate, the second spring limiting and positioning mechanisms surround three side faces of one end of the compressor bracket, the two third pressing mechanisms are arranged on the base plate, and the third spring limiting and positioning mechanisms are oppositely arranged on two side faces of the other end of the compressor bracket.

4. The engine small parts compact machining fixture of claim 1, characterized in that the cylinder head holder fixtures are arranged on the base plate in 8 groups.

5. The engine small parts compact machining fixture of claim 1, characterized in that the cylinder head cage fixture includes: the device comprises a pull rod seat, a driving oil cylinder arranged at the bottom of the pull rod seat, a transmission rod with one end connected with a piston rod of the driving oil cylinder, diagonal draw bars symmetrically arranged at two sides of the transmission rod, clamping jaws respectively arranged at one ends of the two diagonal draw bars, and a positioning seat arranged between the two clamping jaws;

the positioning seat is fixedly installed at the top of the pull rod seat, limiting plunger assemblies are arranged on two sides of the positioning seat and used for positioning a cylinder cover retainer to be processed in a direction perpendicular to the clamping direction of the two clamping jaws.

6. The engine small part compact machining clamp according to claim 5, characterized in that one side of the inclined hole is communicated with a first pin hole, a limiting and anti-rotation pin is arranged in the first pin hole, and a limiting groove matched with the limiting and anti-rotation pin is arranged on the diagonal draw bar.

7. The engine small part compact machining clamp according to claim 1, characterized in that an oil inlet and an oil outlet communicated with the oil path are formed in the side face of the base plate, and through holes communicated with a cylinder cover retainer clamp, a compressor support clamp and a valve support clamp for the oil path system are formed in the base plate.