CN213318887U - Clamp for machining rotary shaft parts - Google Patents
Clamp for machining rotary shaft parts Download PDFInfo
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- CN213318887U CN213318887U CN202021522673.0U CN202021522673U CN213318887U CN 213318887 U CN213318887 U CN 213318887U CN 202021522673 U CN202021522673 U CN 202021522673U CN 213318887 U CN213318887 U CN 213318887U
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Abstract
The utility model discloses a rotary shaft part machining clamp, which comprises two side panels and a workbench fixed between the two side panels, wherein the two side panels are detachably fixed on a machine tool frame of a four-axis machining center, a plurality of groups of shaft part clamps are respectively arranged on two planes of the workbench in parallel along the transverse direction, and each group of shaft part clamps comprises a positioning part and a clamping part; the axial position of the shaft part is positioned through the positioning part, so that the positioning accuracy is ensured, and then the shaft part is clamped through the clamping part, so that the workpiece is prevented from deviating in the machining process; the machining accuracy of the shaft parts can be ensured through the matching of the positioning part and the clamping part.
Description
Technical Field
The utility model relates to an axle type processing technology field especially relates to an anchor clamps are used in rotation type axle type parts machining.
Background
The production process of the shaft parts involves various processing procedures, such as punching, end milling and the like, a specific processing tool is generally designed and manufactured aiming at the specific procedures in the processing process of the existing shaft parts, when other operations are required, the shaft parts need to be transferred to another tool or the original tool needs to be moved in the whole direction, so that the intermediate operation is increased, and the working efficiency is greatly reduced; in the prior art, a small number of clamps are designed for shaft workpieces by using a four-axis machining center, but the clamps are often inaccurate in positioning, and the machining accuracy of the shaft workpieces is affected due to the phenomena of workpiece deviation and the like in the machining process.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a rotary type clamp for processing shaft parts, which comprises two side panels and a workbench fixed between the two side panels, wherein the two side panels are detachably fixed on a machine tool frame of a four-axis processing center, a plurality of groups of shaft part clamps are respectively arranged on two planes of the workbench in parallel along the transverse direction, each group of shaft part clamps comprises a positioning part and a clamping part, the positioning part comprises a first positioning plate and a second positioning plate, the clamping part comprises a fixed plate and a movable clamping plate, the first positioning plate, the second positioning plate and the fixed plate are detachably arranged on the workbench along the axial direction, the movable clamping plate is detachably fixed on the fixed plate, the movable clamping plate and the fixed plate form a clamping groove matched with the shaft parts after being fixed, at least one first positioning groove is arranged on the first positioning plate, and a second positioning groove matched with the first positioning groove is formed in the second positioning plate, the first positioning groove and the second positioning groove are plane symmetrical grooves, and the symmetrical plane of the first positioning groove and the symmetrical plane of the second positioning groove are the same plane.
As the utility model discloses technical scheme's further optimization, every the number of first constant head tank is two on the first locating plate, and the number of second constant head tank is two on every second locating plate correspondingly.
As a further optimization of the technical solution of the present invention, the fixed plate is a "convex" type plate, including a fixed plate base and a first protruding portion, the movable clamping plate is a "concave" type plate, including a movable clamping plate base and a first limiting portion and a second limiting portion of protruding portions on both sides of the movable clamping plate, the first limiting portion, the movable clamping plate base, the first protruding portion and the fixed plate base surround to form a first clamping groove; the second limiting part, the movable clamping plate base part, the first protruding part and the fixed plate base part surround to form a second clamping groove.
As a further optimization of the technical scheme of the utility model, the fixing plate is a plate shaped like a Chinese character 'shan', and comprises a fixing plate base part, a second lug boss, a third lug boss and a fourth lug boss; the movable clamping plate is a concave-shaped plate and comprises a movable clamping plate base part, a first limiting part and a second limiting part, wherein the first limiting part and the second limiting part are protruded on two sides of the movable clamping plate; the second limiting part, the movable clamping plate base part, the third boss part, the fixed plate base part and the fourth boss part surround to form a second clamping groove.
As a further optimization of the technical solution of the present invention, the cross section of the first positioning groove is at least one of a semicircular shape, a minor arc shape and a V shape; the section of the second positioning groove is at least one of a semicircular shape, a minor arc shape and a V shape.
As the utility model discloses technical scheme's further optimization, be provided with flexible gasket on the cell wall of clamping groove.
The utility model has the advantages that:
the clamp for processing rotary shaft parts is fixed on the machine tool frame of the four-axis processing center, and can realize the processing of various processes of clamping workpieces on two sides of a workbench by one-time clamping; the axial direction of the shaft part is positioned through the first positioning plate and the second positioning plate, so that the positioning accuracy is ensured, and then the shaft part is clamped through the clamping part, so that the workpiece is prevented from deviating in the machining process; the machining accuracy of the shaft parts can be ensured through the matching of the positioning part and the clamping part.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic view of clamping a set of shaft part clamps in fig. 1.
Fig. 3 is a schematic structural diagram of a set of shaft part clamps in fig. 1.
Fig. 4 is a schematic structural view of the clamping portion in embodiment 1 of the present invention.
Fig. 5 is a clamping schematic diagram of the shaft part clamp in embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of the clamping portion in embodiment 2 of the present invention.
Reference numerals:
10-a machine tool frame; 21-a web; 22-a workbench; 30-shaft part clamp; 31-a positioning section; 311-a first positioning plate; 3111-a first detent; 312-a second positioning plate; 3121-a second detent; 32-a clamping portion; 321-a fixing plate; 3211-a fixed plate base; 3212-a first boss; 3213-a second boss; 3214-a third boss; 3215-a fourth boss; 322-a movable clamp plate; 3221-a movable cleat base; 3222-a first position-limiting part; 3223-a second stop portion; 323-clamping groove; 3231-first clamping groove; 3232-a second clamping groove; 40-a crankshaft; 50-round straight axis.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or through an intervening medium, or through internal communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The transverse direction involved in the embodiment of the utility model is the direction from one machine tool frame to the other when the processing for processing the rotary shaft type parts is fixed on the machine tool frame of the four-axis processing center through the auxiliary plates at two sides; axial refers to a direction perpendicular to the transverse direction in a plane parallel to the table.
Example 1:
as shown in fig. 1 to 4, the shaft component of the present embodiment is a crankshaft 40, the fixture for processing a rotary shaft component includes two side webs 21 and a worktable 22 fixed between the two side webs, the two side webs 21 are detachably fixed on the machine tool frame 10 of the four-axis processing center, a plurality of sets of shaft component fixtures 30 are respectively arranged on two planes of the worktable in parallel along a transverse direction, each set of shaft component fixtures 30 includes a positioning portion 31 and a clamping portion 32, the positioning portion includes a first positioning plate 311 and a second positioning plate 312, and the clamping portion 32 includes a fixed plate 321 and a movable clamping plate 322.
The first positioning plate 311, the second positioning plate 312 and the fixing plate 321 are detachably arranged on the working table 22 along the axial direction, the arrangement order of the first positioning plate 311, the second positioning plate 312 and the fixing plate 321 in the axial direction is not limited, and in the present embodiment, the fixing plate 321 is preferably set between the first positioning plate 311 and the second positioning plate 312; movable splint 322 passes through fastening screw detachably to be fixed on fixed plate 321, movable splint 322 forms the tight groove 323 that presss from both sides with the bent axle adaptation after fixed with fixed plate 321, in this embodiment, be provided with the first constant head tank 3111 of two V types on the first constant head tank 311, two second constant head tanks 3121 have been seted up with first constant head tank corresponding position on the second locating plate 312, the cross sectional shape of second constant head tank 3121 does not receive the injecing of first constant head tank cross sectional shape, only need satisfy the plane of symmetry of second constant head tank 3121 and the plane of symmetry of first constant head tank 3111 be the coplanar can, second constant head tank 3121 also selects to be V type groove in this embodiment.
In this embodiment, the fixing plate 321 is a "convex" board, and includes a fixing plate base 3211 and a first protrusion 3212, the movable splint 322 is a "concave" board, and includes a movable splint base 3221, and a first limiting portion 3222 and a second limiting portion 3223 of the protrusion portions at two sides of the movable splint, and the first limiting portion 3222, the movable splint base 3221, the first protrusion 3212 and the fixing plate base 3211 surround to form a first clamping groove 3231; the second position-limiting portion 3223, the movable clamping plate base portion 3221, the first protrusion portion 3212 and the fixed plate base portion 3211 surround to form a second clamping groove 3232.
Preferably, the groove walls of the first clamping groove 3231 and the second clamping groove 3232 are both provided with a flexible gasket, so that the crankshaft 40 can be protected in a clamped state.
In actual use, as shown in fig. 1 and 2, the crankshaft 40 is placed in the first positioning groove 3111 and the second positioning groove 3121, at this time, a portion of the crankshaft located at the fixed plate 321 contacts the fixed plate base 3211, since the symmetry plane of the first positioning groove 3111 and the symmetry plane of the second positioning groove 3121 are the same plane, the axial direction of the crankshaft 40 can be fixed in the symmetry planes of the two positioning grooves, and then the movable clamping plate 322 is fixed on the upper portion of the fixed plate 321 by the fastening screw, and the crankshaft 40 is fixed in the clamping groove formed by the movable clamping plate 322 and the fixed plate 321, so that it is ensured that no deviation occurs in the subsequent processing, and the processing accuracy is ensured.
Example 2:
as shown in fig. 5-6, the shaft part of this embodiment is a circular straight shaft 50, the fixture for machining a rotary shaft part includes two side webs 21 and a worktable 22 fixed between the two side webs, the two side webs 21 are detachably fixed on the machine tool frame 10 of the four-axis machining center, two planes of the worktable are respectively provided with a plurality of sets of shaft part fixtures 30 in parallel along the transverse direction, each set of shaft part fixture 30 includes a positioning portion 31 and a clamping portion 32, the positioning portion includes a first positioning plate 311 and a second positioning plate 312, and the clamping portion 32 includes a fixed plate 321 and a movable clamping plate 322.
The first positioning plate 311, the second positioning plate 312 and the fixing plate 321 are detachably arranged on the working table 22 along the axial direction, the arrangement order of the first positioning plate 311, the second positioning plate 312 and the fixing plate 321 in the axial direction is not limited, and in the present embodiment, the fixing plate 321 is preferably set between the first positioning plate 311 and the second positioning plate 312; be provided with the first constant head tank 3111 of two semicircle types on the first locating plate 311, two second constant head tanks 3121 have been seted up with first constant head tank corresponding position on the second locating plate 312, the cross sectional shape of second constant head tank 3121 does not receive the injecing of first constant head tank cross sectional shape, only need satisfy the symmetry plane of second constant head tank 3121 and the symmetry plane of first constant head tank 3111 be the coplanar can, second constant head tank 3121 also selects to be semicircle type groove in this embodiment.
In this embodiment, the fixing plate 321 is a "mountain" shaped plate, and includes a fixing plate base 3211, a second protrusion 3213, a third protrusion 3214, and a fourth protrusion 3215, the movable splint 322 is a "concave" shaped plate, and includes a movable splint base 3221, and a first limiting portion 3222 and a second limiting portion 3223 protruding from two sides of the movable splint, and the first limiting portion 3222, the movable splint base 3221, the third protrusion 3214, the fixing plate base 3211, and the second protrusion 3213 surround to form a first clamping groove 3231; the second limiting portion 3223, the movable clamping plate base 3221, the third protrusion portion 3214, the fixed plate base 3211, and the fourth protrusion portion 3215 surround to form a second clamping groove 3232.
Preferably, the groove walls of the first clamping groove 3231 and the second clamping groove 3232 are both provided with a flexible gasket, so as to protect the circular straight shaft 50 in the clamping state.
The application method is similar to that in embodiment 1, and is not described in detail here.
In addition the utility model discloses axle type part anchor clamps still are suitable for other kinds of circle axles except the bent axle and the circle straight axle that mention in being suitable for the embodiment, select suitable first constant head tank and second constant head tank according to the cross sectional shape of waiting to process the axle, and fundamental principle and application method are unanimous with two aforementioned embodiments, no longer describe herein.
It should be noted that, in the above two embodiments, the shaft part clamps on only one side (defined as the upper side) of the worktable are described, and the number of sets of the shaft part clamps is not limited, because those skilled in the art can determine the number of sets of the shaft part clamps on one side of the worktable according to the specific size of the worktable and the size of the shaft part; the shaft part clamp on the other side (defined as the lower side) of the workbench is arranged in such a way that the orientations of one end of the shaft part, which needs to be machined in the same way, on the two sides are opposite, for example, if only the thicker end of the crankshaft in embodiment 1 needs to be punched, the shaft part clamps on the two sides of the workbench are arranged in such a way that after the crankshaft is fixed, the oriented parts of the thicker end of the crankshaft on the upper side and the thicker end of the crankshaft on the lower side are consistent, so that after the crankshaft on the upper end is machined, the workbench is rotated, and the crankshaft on the lower end rotates to the upper end, the thicker end to be machined just falls under a; the above cases are all the choices that can be made by those skilled in the art according to the specific situation, and therefore, the definitions and specific descriptions of the related aspects are provided herein.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art; when the technical solutions are contradictory or cannot be combined, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Claims (6)
1. A rotary type clamp for processing shaft parts comprises two side webs and a workbench fixed between the two side webs, wherein the two side webs are detachably fixed on a machine tool frame of a four-axis processing center, and the clamp is characterized in that a plurality of groups of shaft part clamps are respectively arranged on two planes of the workbench in parallel along the transverse direction, each group of shaft part clamps comprises a positioning part and a clamping part, the positioning part comprises a first positioning plate and a second positioning plate, the clamping part comprises a fixed plate and a movable clamping plate, the first positioning plate, the second positioning plate and the fixed plate are detachably arranged on the workbench along the axial direction, the movable clamping plate is detachably fixed on the fixed plate, the movable clamping plate and the fixed plate are fixed to form a clamping groove matched with the shaft parts, and at least one first positioning groove is arranged on the first positioning plate, and a second positioning groove matched with the first positioning groove is formed in the second positioning plate, the first positioning groove and the second positioning groove are plane symmetrical grooves, and the symmetrical plane of the first positioning groove and the symmetrical plane of the second positioning groove are the same plane.
2. The fixture for machining rotary shaft parts according to claim 1, wherein the number of the first positioning grooves on each first positioning plate is two, and the number of the second positioning grooves on each second positioning plate is two correspondingly.
3. The clamp for machining the rotary shaft-like parts according to claim 1, wherein the fixed plate is a "male" plate comprising a fixed plate base and a first protruding portion, the movable clamping plate is a "female" plate comprising a movable clamping plate base and a first limiting portion and a second limiting portion protruding from two sides of the movable clamping plate, and the first limiting portion, the movable clamping plate base, the first protruding portion and the fixed plate base surround to form a first clamping groove; the second limiting part, the movable clamping plate base part, the first protruding part and the fixed plate base part surround to form a second clamping groove.
4. The fixture for machining rotary shaft parts according to claim 1, wherein the fixing plate is a "chevron" shaped plate comprising a fixing plate base, a second boss, a third boss, and a fourth boss; the movable clamping plate is a concave-shaped plate and comprises a movable clamping plate base part, a first limiting part and a second limiting part, wherein the first limiting part and the second limiting part are protruded on two sides of the movable clamping plate; the second limiting part, the movable clamping plate base part, the third boss part, the fixed plate base part and the fourth boss part surround to form a second clamping groove.
5. The jig for machining rotary shaft-like parts according to claim 1, wherein the first positioning groove has at least one of a semicircular shape, a minor arc shape, and a V-shape in cross section; the section of the second positioning groove is at least one of a semicircular shape, a minor arc shape and a V shape.
6. The jig for machining rotary shaft-like parts according to claim 1, wherein a flexible spacer is provided on a groove wall of the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522673.0U CN213318887U (en) | 2020-07-28 | 2020-07-28 | Clamp for machining rotary shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522673.0U CN213318887U (en) | 2020-07-28 | 2020-07-28 | Clamp for machining rotary shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213318887U true CN213318887U (en) | 2021-06-01 |
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ID=76092453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021522673.0U Active CN213318887U (en) | 2020-07-28 | 2020-07-28 | Clamp for machining rotary shaft parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213318887U (en) |
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2020
- 2020-07-28 CN CN202021522673.0U patent/CN213318887U/en active Active
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