CN112405042B - Ball valve body processing sectional fixture frock - Google Patents
Ball valve body processing sectional fixture frock Download PDFInfo
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- CN112405042B CN112405042B CN202011288833.4A CN202011288833A CN112405042B CN 112405042 B CN112405042 B CN 112405042B CN 202011288833 A CN202011288833 A CN 202011288833A CN 112405042 B CN112405042 B CN 112405042B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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Abstract
The invention relates to the technical field of valve machining, in particular to a ball valve body machining and mounting fixture tool which comprises a workbench, a base, a vertical plate, a supporting mechanism, a clamping mechanism and a linkage mechanism, wherein the clamping mechanism comprises a mandrel and a plurality of locking block assemblies which are equidistantly arranged around the circumference of the mandrel, the first locking block assemblies and the second locking block assemblies are driven by the linkage mechanism to synchronously move to synchronously lock a ball valve body sleeved on the mandrel, and in the machining process, the second locking block assemblies positioned on two sides of the upper part of the ball valve body vibrate and share the second locking block assemblies positioned on the lower part of the ball valve body through the linkage mechanism, so that the vibration intensity of the first locking block assemblies in the machining process is reduced, and the technical problem that the machining precision of the ball valve body is deviated due to machining vibration is solved.
Description
Technical Field
The invention relates to the technical field of valve machining, in particular to a fixture tool for machining and installing a ball valve body.
Background
Machining center machines have become quite popular in the field of machine manufacturing, but most machining centers are still in the category of three-axis machines. Complex parts such as valve covers, valve bodies and the like are required to be clamped and fixed for multiple times when being processed on a triaxial processing center, the processing procedures are dispersed, and the positioning precision is influenced by the multiple clamping, so that the position tolerance between processing characteristics (such as planes, holes, grooves and the like) at different positions on the same processing surface of a processed workpiece is difficult to ensure, and the processing quality is seriously influenced; and because only one processing is carried out by one-time clamping, most of the time is used for loading and unloading the workpiece, the total processing time of the product is greatly increased, the production efficiency is extremely low, and the large-scale automatic production cannot be realized.
The fourth shaft rotary indexing processing device of the special processing center for the valve body disclosed in the patent document with the patent number of CN201811294251.X comprises a rotary motor, wherein an installation base is installed on the rotary motor, an installation vertical plate is vertically arranged with the installation base, a centering assembly, a clamping assembly and a first correcting assembly are arranged on the installation vertical plate, and the fourth shaft rotary indexing processing device also comprises an auxiliary mechanism arranged on the installation vertical plate, the auxiliary support is carried out by utilizing a first supporting ejector rod and a second supporting ejector rod, after an operator hoists the valve body onto the installation vertical plate through a hoisting machine, the valve body can be pre-locked through centering of the centering assembly, and meanwhile, the clamping assembly and the first correcting assembly are matched for working, in the process of correcting the levelness of the valve body, the complete locking of the valve body is automatically realized, the technical problem of automatic loading of the valve body is solved, the manpower is reduced, and the accurate loading and locking of the valve body are realized at the same time, the processing precision is improved.
However, the conventional apparatus has two technical problems:
1. the structure is too complex, and the clamping assembly for locking the ball valve body can realize synchronous movement, but the clamping block moves horizontally, so that the clamping and locking effects cannot be achieved;
2. during the machining process, the clamping block positioned at the lower part is subjected to the highest vibration intensity, so that the machining precision deviation of the lower part is larger than that of the upper part.
Disclosure of Invention
Aiming at the problems, the invention provides a fixture tool for machining and installing a ball valve body, wherein a first lock block component and a second lock block component are driven by a linkage mechanism to synchronously move to synchronously lock the ball valve body sleeved on a mandrel, and in the machining process, the second lock block components positioned on two sides of the upper part of the ball valve body vibrate and share the second lock block components positioned on the lower part of the ball valve body through the linkage mechanism, so that the vibration intensity of the first lock block component in the machining process is reduced, and the technical problem that the machining precision of the ball valve body is deviated due to machining vibration is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a ball valve body processing sectional fixture frock, it is used for carrying out the clamping to the ball valve body fixed, and the anchor clamps frock includes:
the bottom of the workbench is provided with a rotating shaft;
the base is horizontally and detachably arranged on the workbench, the vertical plate in an L-shaped arrangement is vertically arranged on the base, the vertical plate comprises an installation part and a connecting part which are vertically connected with each other, the installation part is vertically arranged and used for installing and clamping the ball valve body, and the connecting part is horizontally arranged and used for being installed and connected with the base;
the supporting mechanism is arranged on the base, arranged on the other side of the mounting part relative to the connecting part and used for supporting the lower edge of the ball valve body mounted on the mounting part;
the clamping mechanism is arranged on the side wall of the mounting part opposite to the supporting mechanism and used for clamping and fixing the ball valve body on the mounting part, the clamping mechanism comprises a mandrel and a plurality of locking block assemblies which are arranged around the circumference of the mandrel at equal intervals, the mandrel is used for being coaxially sleeved with a medium channel of the ball valve body, the mandrel and the medium channel are arranged in a profile-modeling adaptive manner, and the locking block assemblies are arranged along the radial direction of the mandrel in a sliding manner and used for locking the ball valve body on the mounting part and respectively consist of a first locking block assembly positioned at the lower part of the ball valve body and second locking block assemblies positioned at two sides of the upper part of the ball valve body; and
the linkage mechanism is arranged on the side wall of the other side of the mounting portion relative to the clamping mechanism, synchronously drives the locking block assembly to slide along the radial direction of the mandrel, and comprises a lifting assembly and a linkage assembly, wherein the lifting assembly is connected with the first locking block assembly, the linkage assembly is respectively arranged on two sides of the first locking block assembly, and the linkage assembly is respectively connected with the first locking block assembly and the second locking block assembly.
As an improvement, the supporting mechanism comprises a first supporting component and a second supporting component, the first supporting component and the second supporting component are arranged in a sliding mode through an I-shaped groove in the base, the first supporting component is used for supporting the ball valve body far away from the end portion of the mounting portion, and the second supporting component is used for supporting the branch port on one side of the medium channel.
As an improvement, the first support assembly comprises:
the support base is arranged on the upper end face of the base, and the lower part of the support base is in threaded connection with a locking block which is in profile fitting with the I-shaped groove;
the supporting rod is vertically arranged on the supporting base, and the lower end part of the supporting rod is in threaded connection with the supporting base; and
the connecting block is arranged at the top of the supporting rod, a V-shaped supporting plate is arranged on the connecting block, and the end part of the supporting plate is supported by the supporting plate.
As an improvement, the second support assembly comprises:
the support sliding block is arranged on the upper end face of the base, the lower part of the support sliding block is in threaded connection with a locking block which is in profile fitting with the I-shaped groove, and the upper end part of the support sliding block is provided with an I-shaped sliding groove;
the support is arranged on the upper end face of the supporting sliding block in a sliding mode, and the lower end portion of the support is provided with a positioning sliding block in a threaded connection mode, wherein the positioning sliding block is arranged in a shape-copying matched mode with the I-shaped sliding groove;
the support rod is vertically arranged on the support, and the lower end part of the support rod is in threaded connection with the support; and
the supporting block is arranged at the top of the supporting rod, is arranged in a V shape and supports the branch port.
As an improvement, the first lock block assembly and the second lock block assembly both include:
the spring bolt is buckled with the flanging of the ball valve body when the spring bolt locks the ball valve body;
one end of the connecting shaft is connected with the lock tongue, and the other end of the connecting shaft penetrates through a sliding groove in the mounting part and is arranged on the other side of the mounting part;
the pressure plate sliding block is arranged on the other side of the installation part in a sliding mode relative to the lock tongue and is arranged at the other end of the connecting shaft relative to the lock tongue;
the pressing plate sliding groove blocks are arranged in an L shape, symmetrically arranged on two sides of the pressing plate sliding block and combined to form a guide sliding groove for guiding the pressing plate sliding block in a sliding mode, and notches buckled with the pressing plate sliding groove blocks are respectively arranged on two sides of the pressing plate sliding block.
As an improvement, the buckling part of the lock tongue and the flanging is provided with concave-convex stripes.
As an improvement, the connecting shaft and the pressing plate sliding block are sleeved and installed in a sliding mode, a locking assembly is arranged at the end portion, installed in a sliding mode, of the connecting shaft and the pressing plate sliding block, and the locking assembly is used for locking the spring bolt buckled with the flanging.
As an improvement, the locking assembly comprises:
the pin shaft penetrates through the end part of the connecting shaft and the end part of the pressing plate sliding block in a sliding sleeved mode;
the spring piece is sleeved on the step of the connecting shaft, and two ends of the spring piece are arranged between the connecting shaft and the pressing plate sliding block in an abutting mode;
the cam is hinged to the end part of the connecting shaft through the pin shaft, is eccentrically arranged with the pin shaft, and is provided with a pattern for increasing friction force at the position where the cam is in rolling contact with the pressing plate sliding block; and
the driving handle is arranged on the end part, far away from the pin shaft, of the cam and used for stirring the cam to rotate, so that when the pin shaft is far away from the pressing plate sliding block, the spring bolt is driven by the connecting shaft to be buckled and abutted with the flanging.
As an improvement, the pulling assembly comprises:
the driving seat is arranged at the top of the mounting part and is provided with a driving gland, and a rotary screw rod nut is arranged on the driving gland;
the rotating handle is arranged on the screw rod nut and drives the screw rod nut to rotate;
the screw rod is arranged on the screw rod nut in a threaded fit manner, and the lower end part of the screw rod is connected with a driving connector in an installing manner; and
the upper end part of the driving connecting rod is connected with the driving connector, and the lower end part of the driving connecting rod is connected with the pressing plate sliding block in the first lock block component.
As an improvement, the linkage assembly comprises:
the rotary swing arm is rotatably arranged on one side of the first lock block assembly and comprises a rotating part and hinged arms symmetrically arranged on two sides of the rotating part, a waist-shaped groove is formed in the end part of the hinged arms which can rotate and swing, and the waist-shaped groove close to the first lock block assembly is in penetrating fit with a guide shaft on a pressure plate sliding block in the first lock block assembly;
the driven connecting rod is arranged along the sliding direction of the pressure plate sliding block in the second locking block assembly, one end of the driven connecting rod is connected with the pressure plate sliding block in the second locking block assembly, the other end of the driven connecting rod is provided with an optical axis, and the optical axis penetrates through the other kidney-shaped groove relative to the guide shaft; and
the guide sliding block is arranged on the mounting part and is provided with a guide groove for guiding the driven connecting rod in a sliding manner;
in the sliding process of the pressure plate slider, the distance L1 from the optical axis to the rotating part is always equal to the distance L2 from the guide shaft to the rotating part.
The invention has the beneficial effects that:
(1) according to the invention, the linkage mechanism is used for driving the first lock block component and the second lock block component to synchronously move to synchronously lock the ball valve body sleeved on the mandrel, and in the processing process, the second lock block components positioned on two sides of the upper part of the ball valve body perform vibration sharing on the second lock block components positioned on the lower part of the ball valve body through the linkage mechanism, so that the vibration intensity of the first lock block components in the processing process is reduced, and the technical problem of deviation of the processing precision of the ball valve body caused by processing vibration is solved;
(2) when the ball valve body is locked by matching of the lock tongues on the upper part and the lower part of the ball valve body, the larger the gravity of the ball valve body on the lock tongues on the lower part of the ball valve body is, the more tightly the lock tongue on the upper part of the ball valve body is matched with the lock tongue on the lower part through a linkage mechanism, so that the stability of the ball valve body in the processing process is ensured;
(3) according to the invention, the locking assembly is arranged on the supporting sliding block, and the locking assembly is utilized to drive the spring bolt to be arranged in a telescopic manner, so that the spring bolt can be driven by the locking assembly to be locked and abutted with the flanging of the ball valve body, the ball valve body is tightly locked on the mounting part, and the spring bolt can be stretched and contracted, so that the first locking block assembly and the second locking block assembly can be more convenient to lock the ball valve body through movement;
(4) according to the invention, through the arrangement of the rotary swing arm in the linkage mechanism, three lock tongues on the upper part and the lower part of the ball valve body can synchronously slide towards the center of the mandrel along the radial direction of the mandrel through one power mechanism, so that the lock tongues can synchronously lock the ball valve body, the synchronism is better, and the structure is simpler.
In conclusion, the valve fine machining device has the advantages of good stability, low oscillation strength, high machining precision and the like, and is particularly suitable for the technical field of valve fine machining.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of an unclamped ball valve body according to the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic backside perspective view of the present invention;
FIG. 5 is a rear view of the present invention;
FIG. 6 is a perspective view of a first support assembly according to the present invention;
FIG. 7 is a perspective view of a second support assembly according to the present invention;
FIG. 8 is a perspective view of the locking block assembly of the present invention;
FIG. 9 is a schematic cross-sectional view of the lock block assembly of the present invention;
FIG. 10 is a schematic perspective view of a platen slider according to the present invention;
FIG. 11 is a perspective view of the cam of the present invention;
FIG. 12 is a front view of the linkage mechanism of the present invention;
FIG. 13 is a schematic cross-sectional view of a pull assembly of the present invention;
fig. 14 is a perspective view of the swing arm of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 defined otherwise.
Example (b):
as shown in fig. 1 to 5, a ball valve body processing sectional fixture frock, it is used for carrying out the clamping to ball valve body 1 fixed, and the fixture frock includes:
the device comprises a workbench 2, wherein a rotating shaft 21 is arranged at the bottom of the workbench 2;
the base 3 is horizontally detachably mounted on the workbench 2, an L-shaped vertical plate 31 is vertically mounted on the base 3, the vertical plate 31 comprises a mounting portion 311 and a connecting portion 312 which are vertically connected with each other, the mounting portion 311 is vertically arranged and used for mounting and clamping the ball valve body 1, and the connecting portion 312 is horizontally arranged and used for mounting and connecting with the base 3;
a support mechanism 4, which is mounted on the base 3, is arranged on the other side of the mounting portion 311 relative to the connecting portion 312, and is used for supporting the lower edge of the ball valve body 1 mounted on the mounting portion 311;
the clamping mechanism 5 is mounted on the side wall of the mounting portion 311 opposite to the support mechanism 4, and is used for clamping and fixing the ball valve body 1 on the mounting portion 311, the clamping mechanism 5 includes a mandrel 51 and a plurality of locking block assemblies 52 arranged around the circumference of the mandrel 51 at equal intervals, the mandrel 51 is coaxially sleeved with the medium channel 11 of the ball valve body 1, the mandrel 51 and the medium channel 11 are arranged in a profile-shaped adaptive manner, and the locking block assemblies 52 are arranged in a sliding manner along the radial direction of the mandrel 51, lock the ball valve body 1 on the mounting portion 311, and respectively comprise a first locking block assembly 52a located at the lower part of the ball valve body 1 and second locking block assemblies 52b located at two sides of the upper part of the ball valve body 1; and
the linkage mechanism 6 is arranged on the side wall of the other side of the mounting portion 311 relative to the clamping mechanism 5, and synchronously drives the locking block assembly 52 to slide along the radial direction of the mandrel 51, and comprises a lifting assembly 61 and a linkage assembly 62, wherein the lifting assembly 61 is connected with the first locking block assembly 52a, and the linkage assemblies 62 are respectively arranged on two sides of the first locking block assembly 52a and respectively connected with the first locking block assembly 52a and the second locking block assembly 52 b.
It should be noted that the linkage mechanism 6 is used to drive the first lock block assembly 52a and the second lock block assembly 52b to move synchronously, so as to clamp and fix the ball valve body sleeved on the mandrel 51, and the support mechanism 4 supports most of the weight of the ball valve body 1, thereby improving the stability of the ball valve body 1.
As shown in fig. 6 and 7, the supporting mechanism 4 includes a first supporting component 41 and a second supporting component 42, the first supporting component 41 and the second supporting component 42 are slidably disposed through the i-shaped groove 30 on the base 3, the first supporting component 41 is used for supporting the end portion 12 of the ball valve body 1 away from the mounting portion 311, and the second supporting component 42 is used for supporting the branch port 13 on the side of the medium passage 11.
Further, the first support assembly 41 includes:
the supporting base 411 is arranged on the upper end face of the base 3, a locking block 412 which is matched with the I-shaped groove 30 in a profile modeling manner is arranged at the lower portion of the supporting base 411 in a threaded connection mode, the locking block 412 can be loosened and loosened by rotating a bolt connected with the locking block 412, when the locking block 412 is loosened, the locking block 412 can slide along the I-shaped groove 30, and when the locking block 412 is locked, the locking block 412 is locked;
the supporting rod 413 is vertically arranged on the supporting base 411, and the lower end part of the supporting rod 413 is in threaded connection with the supporting base 411; and
a connecting block 414, wherein the connecting block 414 is mounted on the top of the supporting rod 413, and a V-shaped supporting plate 415 is arranged on the connecting block 414, and the supporting plate 415 supports the end 12.
Further, the second support member 42 includes:
the supporting slide block 421 is arranged on the upper end surface of the base 3, the lower part of the supporting slide block 421 is in threaded connection with a locking block 412 which is in profile fitting with the I-shaped groove 30, and the upper end part of the supporting slide block is provided with an I-shaped sliding groove 422;
the support 423 is arranged on the upper end face of the supporting slide block 421 in a sliding manner, and the lower end part of the support 423 is provided with a positioning slide block 424 in a threaded connection manner, wherein the positioning slide block 424 is arranged in a shape-copying fit manner with the I-shaped slide groove 422;
a supporting rod 425, wherein the supporting rod 425 is vertically arranged on the support 423, and the lower end part of the supporting rod 425 is in threaded connection with the support 423; and
a supporting block 426, the supporting block 426 being mounted on the top of the supporting rod 425, having a V-shaped configuration, and supporting the branch port 13.
It should be noted that, the overall quality of the ball valve body 1 is supported by the cooperation of the first support component 41 and the second support component 42, so that the overall quality of the ball valve body 1 is not applied to the clamping mechanism 5, and the overall stability of the ball valve body 1 is improved.
In addition, the first supporting component 41 and the second supporting component 42 can slide on the base 3 through the arrangement of the i-shaped groove 30, and the sliding adjustment of the first supporting component 41 and the second supporting component 42 is utilized, so that the fixture tool can be suitable for ball valve bodies 1 of various models, and in the second supporting component 42, the supporting block 426 for supporting the branch port 13 can move and switch in the horizontal direction and the longitudinal direction of the horizontal plane through the matching of the positioning sliding block 424 on the support 423 and the i-shaped sliding groove 422.
As shown in fig. 8 to 11, in addition, each of the first lock block assembly 52a and the second lock block assembly 52b includes:
the bolt 521 is buckled with the flanging 10 of the ball valve body 1 when the bolt 521 is locked on the ball valve body 1;
a connecting shaft 522, one end of which is connected to the latch 521, and the other end of which penetrates through the sliding slot 313 on the mounting portion 311 and is disposed at the other side of the mounting portion 311;
a pressing plate slider 523, the pressing plate slider 523 being slidably attached to the other side of the mounting portion 311 with respect to the latch 521, and being attached to the other end portion of the connecting shaft 522 with respect to the latch 521;
the pressing plate sliding groove blocks 524 are arranged in an L shape, are symmetrically arranged on two sides of the pressing plate sliding block 523, are combined to form a guide sliding groove 525 for guiding the pressing plate sliding block 523 in a sliding mode, and are respectively provided with notches 526 fastened with the pressing plate sliding groove blocks 524 on two sides of the pressing plate sliding block 523.
Furthermore, a concave-convex stripe 5211 is arranged at the buckling position of the bolt 521 and the flanging 10.
Furthermore, the connecting shaft 522 and the pressing plate slider 523 are slidably sleeved, and a locking assembly 53 is disposed at an end of the connecting shaft 522 and the pressing plate slider 523, where the locking assembly 53 is used to lock the latch 521 buckled to the flange 10.
Further, the locking assembly 53 includes:
the pin roll 531 is arranged at the end part of the connecting shaft 522 and the pressing plate sliding block 523 in a sliding sleeved mode in a penetrating mode;
the spring piece 532 is sleeved on the step of the connecting shaft 522, and two ends of the spring piece 532 are arranged between the connecting shaft 522 and the pressing plate sliding block 523 in an abutting mode;
the cam 533 is hinged to the end of the connecting shaft 522 through the pin 531, is eccentrically arranged with the pin 531, and is provided with a pattern 5331 for increasing friction at a position where the cam 533 is in rolling contact with the pressing plate slider 523; and
the driving handle 534 is installed on the end portion of the cam 533 far away from the pin 531, and the driving handle 534 stirs the cam 533 to rotate, so that when the pin 531 is far away from the pressing plate slider 523, the connecting shaft 522 drives the locking tongue 521 to be buckled and abutted with the flanging 10.
It should be noted that, by sliding the pressure plate slider 523, the latch 521 can slide along the radial direction of the core shaft 51, and when the latch slides to the flange 10 that clasps the ball valve body 1, the ball valve body 1 is locked and fixed.
When the latch 521 moves to the flange of the ball valve body 1 and is overlapped, the driving handle 534 drives the cam 533 to rotate, so that the cam 533 pulls the connecting shaft 522, the connecting shaft 522 is connected with the latch 521, the latch 521 is buckled on the flange 10 of the ball valve body 1 through the driving of the connecting shaft 522, and the pattern 5331 arranged on the cam 533 can enable the cam 533 to achieve self-locking, so that the latch 521 is locked.
As shown in fig. 12 and 13, as a preferred embodiment, the pulling assembly 61 includes:
a driving seat 611, wherein the driving seat 611 is installed at the top of the installation part 311, a driving gland 612 is installed on the driving seat 611, and a screw nut 613 which rotates is arranged on the driving gland 612;
a rotating handle 614, wherein the rotating handle 614 is mounted on the lead screw nut 613 and drives the lead screw nut 613 to rotate;
a screw rod 615, wherein the screw rod 615 is arranged on the screw nut 613 in a threaded fit manner, and the lower end part of the screw rod is provided with a driving connector 616; and
and the upper end part of the driving connecting rod 617 is connected with the driving connecting head 616, and the lower end part of the driving connecting rod 617 is connected with a pressure plate sliding block 523 in the first lock block component 52 a.
As shown in fig. 14, further, the linkage assembly 62 includes:
the rotary swing arm 621 is rotatably mounted on one side of the first lock block assembly 52a, and comprises a rotating part 6211, a hinge arm 6212 symmetrically arranged on two sides of the rotating part 6211, and a kidney-shaped groove 6213 arranged on the end of the hinge arm 6212 in a rotating and swinging manner, wherein the kidney-shaped groove 6213 close to the first lock block assembly 52a is in penetrating fit with a guide shaft 5232 on a pressure plate sliding block 523 in the first lock block assembly 52 a;
a driven link 622, wherein the driven link 622 is disposed along the sliding direction of the pressure plate slider 523 in the second lock block assembly 52b, one end of the driven link 622 is connected to the pressure plate slider 523 in the second lock block assembly 52b, the other end of the driven link 622 is disposed with an optical axis 620, and the optical axis 620 is disposed in the other kidney-shaped groove 6213 relative to the guide shaft 5232; and
a guide slider 623, wherein the guide slider 623 is mounted on the mounting portion 311, and a guide groove 624 for slidably guiding the driven link 622 is formed thereon;
in the sliding process of the pressing plate slider 523, the distance L1 from the optical axis 620 to the rotating part 6211 is always equal to the distance L2 from the guide shaft 5232 to the rotating part 6211.
It should be noted that when the rotating handle 614 drives the lead screw nut 613 to rotate, the lead screw 615 moves in the axial direction thereof and drives the pressing plate slider 523 in the first lock block assembly 52a to move, so that the locking tongue 521 in the first lock block assembly 52a can move along with the pressing plate slider 523.
In addition, when the pressure plate slider 523 in the first lock block assembly 52a moves, the rotation of the rotating swing arm 621 can drive the pressure plate slider 523 in the second lock block assembly 52b to move synchronously, and the moving distance of the pressure plate slider 523 in the second lock block assembly 52b is always consistent with that of the pressure plate slider 523 in the first lock block assembly 52 a.
To ensure that the moving distance of the pressing plate slider 523 in the second lock block assembly 52b is always consistent with the moving distance of the pressing plate slider 523 in the first lock block assembly 52a, depending on the arrangement of the linkage assembly 62, during the moving process of the pressing plate slider 523 in the second lock block assembly 52b and the pressing plate slider 523 in the first lock block assembly 52a, the sliding direction of the pressing plate slider 523 in the second lock block assembly 52b and the sliding direction of the pressing plate slider 523 in the first lock block assembly 52a are always kept at a fixed angle, and during the rotating and swinging process of the rotating swing arm 621, the distance L1 from the optical axis 620 to the rotating portion 6211 and the distance L2 from the guide axis 5232 to the rotating portion 6211 are always kept equal through the self-adjustment of the kidney-shaped slot 6213.
The working process is as follows:
the mounting process of the ball valve body comprises the following steps:
1. hoisting and transferring the ball valve body, namely hoisting and transferring the ball valve body 1 to a fixture tool through hoisting equipment, so that a medium channel 11 on the ball valve body 1 is sleeved with a mandrel 51 arranged on a vertical plate 31, the mandrel 51 and the medium channel 11 are arranged in a profiling manner, a supporting mechanism 4 is arranged at the lower part of the ball valve body 1, and a first supporting assembly 41 and a second supporting assembly 42 in the supporting mechanism 4 respectively support an end part 12 and a branch port 13 in the ball valve body 1;
2. the lock tongue moves, the screw nut 613 is driven to rotate by rotating the rotating handle 614, so that the screw 615 pulls the lock tongue 521 in the first lock block component 52a positioned at the lower part of the ball valve body 1 upwards to move, the lock tongue 521 moves to be overlapped with the flanging 10 of the ball valve body 1, in the process of moving the lock tongue 521 at the lower part of the ball valve body 1, the rotating swing arm 621 in the linkage component 62 is driven to rotate by utilizing the sliding of the pressure plate sliding block 523 in the first lock block component 52a, in the process of rotating the rotating swing arm 621, the pressure plate sliding block 523 in the second lock block component 52b connected through the driven connecting rod 622 synchronously slides, so that the lock tongues 521 positioned at the periphery of the mandrel 51 synchronously slide, and all the lock tongues 521 synchronously buckle the ball valve body 1;
3. locking, after all the lock tongues 521 are buckled with the flanging 10 of the ball valve body 1, the driving handle 534 installed in the locking assembly 53 on each pressure plate slider 523 drives the cam 533 to rotate, so that the cam 533 pulls the connecting shaft 522, the connecting shaft 522 is connected with the lock tongues 521, the lock tongues 521 are buckled with the flanging 10 of the ball valve body 1 through the driving of the connecting shaft 522, and the patterns 5331 arranged on the cam 533 can enable the cam 533 to achieve self-locking, thereby realizing the locking of all the lock tongues 521.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a ball valve body processing sectional fixture frock, it is used for carrying out the clamping to ball valve body (1) fixed, its characterized in that, the anchor clamps frock includes:
the rotary table comprises a workbench (2), wherein a rotating shaft (21) is arranged at the bottom of the workbench (2);
the ball valve body (1) is characterized by comprising a base (3), wherein the base (3) is horizontally and detachably mounted on the workbench (2), a vertical plate (31) in an L-shaped arrangement is vertically mounted on the base (3), the vertical plate (31) comprises a mounting part (311) and a connecting part (312) which are vertically connected with each other, the mounting part (311) is vertically arranged and used for mounting and clamping the ball valve body (1), and the connecting part (312) is horizontally arranged and used for mounting and connecting with the base (3);
the supporting mechanism (4) is arranged on the base (3), is arranged on the other side of the mounting part (311) relative to the connecting part (312), and is used for supporting the lower edge of the ball valve body (1) mounted on the mounting part (311);
the clamping mechanism (5) is arranged on the side wall of the mounting part (311) opposite to the supporting mechanism (4), which is used for clamping and fixing the ball valve body (1) on the mounting part (311), the clamping mechanism (5) comprises a mandrel (51) and a plurality of locking block assemblies (52) which are arranged around the circumference of the mandrel (51) at equal intervals, the mandrel (51) is coaxially sleeved with the medium channel (11) of the ball valve body (1), the mandrel (51) and the medium channel (11) are arranged in a shape matching manner, the locking block assembly (52) is arranged along the radial direction of the mandrel (51) in a sliding manner, the ball valve body (1) is locked on the mounting part (311) and respectively consists of a first locking block component (52 a) positioned at the lower part of the ball valve body (1) and second locking block components (52 b) positioned at two sides of the upper part of the ball valve body (1); and
the linkage mechanism (6) is arranged on the side wall of the other side of the mounting part (311) relative to the clamping mechanism (5), synchronously drives the locking block assembly (52) to slide along the radial direction of the mandrel (51), and comprises a lifting assembly (61) and a linkage assembly (62), wherein the lifting assembly (61) is connected with the first locking block assembly (52 a), and the linkage assembly (62) is respectively arranged on two sides of the first locking block assembly (52 a) and respectively connected with the first locking block assembly (52 a) and the second locking block assembly (52 b);
the linkage assembly (62) comprises a rotary swing arm (621), a driven connecting rod (622) and a guide sliding block (623);
the rotary swing arm (621) is rotatably mounted on one side of the first lock block assembly (52 a), and comprises a rotating part (6211) and hinge arms (6212) symmetrically arranged on two sides of the rotating part (6211), wherein a kidney-shaped groove (6213) is formed in the end part of the hinge arm (6212) in a rotary swinging manner, and the kidney-shaped groove (6213) close to the first lock block assembly (52 a) is in penetrating fit with a guide shaft (5232) on a pressure plate sliding block (523) in the first lock block assembly (52 a); the driven connecting rod (622) is arranged along the sliding direction of the pressure plate sliding block (523) in the second locking block assembly (52 b), one end of the driven connecting rod is connected with the pressure plate sliding block (523) in the second locking block assembly (52 b), the other end of the driven connecting rod is provided with an optical axis (620), and the optical axis (620) is arranged in the other kidney-shaped groove (6213) relative to the guide shaft (5232) in a penetrating manner; the guide slider (623) is mounted on the mounting part (311), and a guide groove (624) for slidably guiding the driven link (622) is arranged on the guide slider;
in the sliding process of the pressure plate sliding block (523), the distance L1 from the optical axis (620) to the rotating part (6211) and the distance L2 from the guide shaft (5232) to the rotating part (6211) are always kept equal.
2. The ball valve body machining and mounting fixture tool according to claim 1, wherein the supporting mechanism (4) comprises a first supporting component (41) and a second supporting component (42), the first supporting component (41) and the second supporting component (42) are slidably arranged through an I-shaped groove (30) in the base (3), the first supporting component (41) is used for supporting the end portion (12) of the ball valve body (1) far away from the mounting portion (311), and the second supporting component (42) is used for supporting the branch port (13) on one side of the medium channel (11).
3. The ball valve body processing mounting fixture tool set forth in claim 2, wherein the first support assembly (41) comprises:
the supporting base (411), the supporting base (411) is arranged on the upper end face of the base (3), and the lower part of the supporting base is provided with a locking block (412) which is in profile fitting with the I-shaped groove (30) in a threaded connection manner;
the supporting rod (413) is vertically arranged on the supporting base (411), and the lower end of the supporting rod (413) is in threaded connection with the supporting base (411); and
the connecting block (414), the connecting block (414) is arranged on the top of the supporting rod (413), a V-shaped supporting plate (415) is arranged on the connecting block (414), and the supporting plate (415) supports the end part (12).
4. The ball valve body machining installation jig tool of claim 2, characterized in that the second support assembly (42) comprises:
the supporting sliding block (421) is arranged on the upper end face of the base (3), the lower part of the supporting sliding block (421) is in threaded connection with a locking block (412) which is in profile fitting with the I-shaped groove (30), and the upper end part of the supporting sliding block is provided with an I-shaped sliding groove (422);
the support (423) is arranged on the upper end face of the supporting sliding block (421) in a sliding mode, and the lower end portion of the support (423) is provided with a positioning sliding block (424) in a threaded connection mode, wherein the positioning sliding block (424) is arranged in a shape-copying matched mode with the I-shaped sliding groove (422);
the supporting rod (425), the supporting rod (425) is vertically installed on the support (423), and the lower end part of the supporting rod is in threaded connection with the support (423); and
a support block (426), the support block (426) being mounted on the top of the support bar (425), being in a V-shaped arrangement, and supporting the branch port (13).
5. The ball valve body machining installation fixture tool of claim 1, wherein the first lock block assembly (52 a) and the second lock block assembly (52 b) both comprise:
the bolt (521) is buckled with the flanging (10) of the ball valve body (1) when the bolt (521) locks the ball valve body (1);
one end of the connecting shaft (522) is connected with the bolt (521), and the other end of the connecting shaft (522) penetrates through a sliding groove (313) in the mounting part (311) and is arranged on the other side of the mounting part (311);
a pressure plate slider (523), wherein the pressure plate slider (523) is mounted on the other side of the mounting part (311) in a sliding manner relative to the bolt (521), and is mounted on the other end part of the connecting shaft (522) relative to the bolt (521);
the pressing plate sliding groove block (524) is arranged in an L shape, the pressing plate sliding groove block (524) is symmetrically arranged on two sides of the pressing plate sliding block (523), the pressing plate sliding groove block and the pressing plate sliding block are combined to form a guide sliding groove (525) for guiding the pressing plate sliding block (523) in a sliding mode, and notches (526) buckled with the pressing plate sliding groove block (524) are respectively arranged on two sides of the pressing plate sliding block (523).
6. The ball valve body machining and mounting fixture tool set forth in claim 5, wherein a concave-convex stripe (5211) is arranged at the buckling position of the bolt (521) and the flange (10).
7. The ball valve body machining and mounting fixture tool according to claim 5, wherein the connecting shaft (522) and the pressure plate sliding block (523) are installed in a sliding sleeved mode, a locking assembly (53) is arranged at the end portion, where the connecting shaft (522) and the pressure plate sliding block (523) are installed in a sliding mode, and the locking assembly (53) is used for locking the lock tongue (521) buckled with the flanging (10).
8. The ball valve body machining installation jig tool of claim 7, characterized in that the locking assembly (53) comprises:
the pin shaft (531), the pin shaft (531) is arranged at the end part of the connecting shaft (522) and the pressing plate sliding block (523) in a sliding sleeved mode;
the spring piece (532) is sleeved on the step of the connecting shaft (522), and two ends of the spring piece (532) are arranged between the connecting shaft (522) and the pressing plate sliding block (523) in an abutting mode;
the cam (533) is hinged to the end part of the connecting shaft (522) through the pin shaft (531), the cam (533) is eccentrically arranged with the pin shaft (531), and patterns (5331) for increasing friction force are arranged at the position where the cam (533) is in rolling contact with the pressing plate sliding block (523); and
the driving handle (534) is installed on the end part, far away from the pin shaft (531), of the cam (533), the driving handle (534) stirs the cam (533) to rotate, and when the pin shaft (531) is far away from the pressing plate sliding block (523), the connecting shaft (522) drives the lock tongue (521) to be buckled and abutted with the flanging (10).
9. The ball valve body machining installation fixture tool as claimed in claim 1, wherein the lifting assembly (61) comprises:
the driving seat (611), the driving seat (611) is installed at the top of the installation part (311), the driving seat (611) is provided with a driving gland (612), and the driving gland (612) is provided with a rotary screw rod nut (613);
a rotating handle (614), wherein the rotating handle (614) is arranged on the screw nut (613) and drives the screw nut (613) to rotate;
the screw rod (615) is arranged on the screw rod nut (613) in a threaded fit mode, and the lower end portion of the screw rod (615) is connected with a driving connector (616) in an installing mode; and
the upper end part of the driving connecting rod (617) is connected with the driving connecting head (616), and the lower end part of the driving connecting rod (617) is connected with a pressure plate sliding block (523) in the first lock block component (52 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011288833.4A CN112405042B (en) | 2020-11-17 | 2020-11-17 | Ball valve body processing sectional fixture frock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011288833.4A CN112405042B (en) | 2020-11-17 | 2020-11-17 | Ball valve body processing sectional fixture frock |
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| CN112405042A CN112405042A (en) | 2021-02-26 |
| CN112405042B true CN112405042B (en) | 2022-02-01 |
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| CN202011288833.4A Active CN112405042B (en) | 2020-11-17 | 2020-11-17 | Ball valve body processing sectional fixture frock |
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| CN114043394B (en) * | 2021-11-24 | 2023-04-11 | 中国核动力研究设计院 | A overhaul frock for nuclear level electric ball valve |
| CN114406747B (en) * | 2021-12-30 | 2023-07-04 | 苏州金世博精密机电有限公司 | Three-way pipe machining tool |
| CN118699748A (en) * | 2024-08-30 | 2024-09-27 | 宜宾天瑞达汽车零部件有限公司 | Valve body assembly fixture |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176145A (en) * | 2018-11-01 | 2019-01-11 | 浙江中德自控科技股份有限公司 | A kind of dedicated the 4th axis rotary index processing unit (plant) of machining center of valve body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ITMO20050009A1 (en) * | 2005-01-19 | 2006-07-20 | Gino Ferrari | TIGHTENING APPARATUS. |
| US8820565B2 (en) * | 2011-03-14 | 2014-09-02 | Robbins & Myers Energy Systems L.P. | Clamp-style closure |
| CN203751768U (en) * | 2014-03-27 | 2014-08-06 | 马单 | Milling machine jig |
| CN105729147A (en) * | 2014-12-11 | 2016-07-06 | 西安众智惠泽光电科技有限公司 | Threaded self-locking type automatic centering work fixture used for annular workpiece |
| CN208195752U (en) * | 2018-05-24 | 2018-12-07 | 无锡科技职业学院 | A kind of radial hole drill jig |
| CN208977300U (en) * | 2018-11-01 | 2019-06-14 | 浙江中德自控科技股份有限公司 | A kind of valve body multistation automatic fixture |
| CN209533375U (en) * | 2018-12-27 | 2019-10-25 | 昆山同日工业自动化有限公司 | AGV cotton bucket automatic conveying device |
| CN210024969U (en) * | 2019-03-29 | 2020-02-07 | 成都润洋汽车部件有限公司 | Clamp special for water cutting of truck instrument panel |
| CN111299652B (en) * | 2020-04-09 | 2021-04-20 | 浙江中德自控科技股份有限公司 | Valve machining device |
| CN111390588B (en) * | 2020-04-09 | 2021-07-27 | 温州琼龙科技有限公司 | Special processing upper assembling positioning device for valve body |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109176145A (en) * | 2018-11-01 | 2019-01-11 | 浙江中德自控科技股份有限公司 | A kind of dedicated the 4th axis rotary index processing unit (plant) of machining center of valve body |
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