CN218254528U - Clamp for deep hole honing - Google Patents
Clamp for deep hole honing Download PDFInfo
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- CN218254528U CN218254528U CN202222254342.9U CN202222254342U CN218254528U CN 218254528 U CN218254528 U CN 218254528U CN 202222254342 U CN202222254342 U CN 202222254342U CN 218254528 U CN218254528 U CN 218254528U
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Abstract
The application discloses a clamp for deep hole honing, which comprises a cradle mechanism, wherein the cradle mechanism is arranged on a floating platform, and the floating platform comprises a lower floating plate, an upper floating plate, a universal bearing, a limit stop and a limit screw rod; the bottom of the cradle mechanism is fixedly arranged on the top of the upper floating plate; the universal bearings are arranged between the bottom of the upper floating plate and the top of the lower floating plate; the lower floating plate is fixedly arranged; the limiting stops are uniformly distributed on the periphery of the lower floating plate and fixed with the lower floating plate, and the upper parts of the limiting stops protrude out of the top of the lower floating plate; limiting screw bolt joint is installed on limit stop upper portion, and limiting screw tip sets up towards the upper floating plate lateral part, and limiting screw tip lower edge sets up highly to be higher than the upper floating plate bottom and sets up highly and be less than the upper floating plate top and set up highly. The device effectively improves the stability of the translation of the workpiece in the machining process, ensures the flexibility of the movement of the workpiece in the directions of six degrees of freedom in space through the matching of the cradle mechanism and the floating platform, and further improves the machining quality.
Description
Technical Field
The application relates to the technical field of honing fixtures, in particular to a fixture for deep hole honing.
Background
In the honing process, when a long workpiece is machined, a cradle mechanism is required to clamp the workpiece, and a honing head extends into the workpiece from one side of the top end of the workpiece to hone the workpiece. The cradle mechanism is used for clamping a workpiece in the machining process, and the workpiece can move in the horizontal direction under the driving of the honing head under the operation of the honing head, so that the problem that the honing head is in rigid contact with the inner wall of the workpiece to cause damage to the workpiece is solved. However, most of the conventional cradle mechanisms realize the translation of a workpiece with a common length in the horizontal direction based on a pin connection mode among the inner cradle, the outer cradle and the supporting seat outside the outer cradle, and when the requirement on the processing of longer length and higher processing precision of the workpiece is met, the problems of insufficient processing quality and higher defective product rate of the workpiece often occur due to the insufficient stability and flexibility of the translation of the workpiece given by the conventional cradle mechanisms.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a deep hole honing processing clamp to solve the problem that the traditional cradle mechanism provided in the background technology cannot meet the high-precision processing requirement.
In order to achieve the purpose, the application discloses the following technical scheme that the clamp for deep hole honing processing comprises a cradle mechanism, wherein the cradle mechanism is installed on a floating platform, and the floating platform comprises a lower floating plate, an upper floating plate, a universal bearing, a limit stop and a limit screw rod;
the bottom of the cradle mechanism is fixedly arranged at the top of the upper floating plate;
the universal bearings are arranged between the bottom of the upper floating plate and the top of the lower floating plate;
the lower floating plate is fixedly arranged;
the limit stops are uniformly distributed on the periphery of the lower floating plate and are fixed with the lower floating plate, and the upper parts of the limit stops protrude out of the top of the lower floating plate;
the limiting screw is in threaded connection with the upper portion of the limiting stop block, the end portion of the limiting screw faces the side portion of the upper floating plate, and the lower edge of the end portion of the limiting screw is higher than the bottom of the upper floating plate and lower than the top of the upper floating plate.
Based on the structure, the cradle mechanism is installed on the floating platform by the clamp for deep hole honing, in the processing process, the cradle mechanism can freely translate on the floating platform under the driving of the honing head, the translation range is limited under the arrangement of the limit stop and the limit screw, the translation stability of a workpiece in the processing process is effectively improved, the flexibility of the workpiece moving in the directions of six degrees of freedom in space is ensured through the matching of the cradle mechanism and the floating platform, and the processing quality is further improved.
Preferably, the universal bearing is an embedded universal ball, the embedded universal ball comprises a ball part and an installation part matched with the ball part, the ball part abuts against the bottom surface of the upper floating plate, and the installation part is embedded in an installation hole formed in the top surface of the lower floating plate.
Preferably, the floating platform further comprises an adjustable buffer, the adjustable buffer is mounted on the upper portion of the limit stop and is arranged in parallel with the limit screw, and the setting height of the lower edge of the end portion of the adjustable buffer is higher than the setting height of the bottom of the upper floating plate and lower than the setting height of the top of the upper floating plate.
Through the arrangement of the adjusting type buffer, the side part of the upper floating plate can be protected and buffered when the upper floating plate translates, so that the stability of the cradle mechanism during translation in the machining process is improved, the stability of a workpiece during translation in the machining process is further improved, the flexibility of the workpiece moving in the directions of six degrees of freedom in space is ensured through the matching of the cradle mechanism and the floating platform, and the machining quality is improved.
Preferably, the lower floating plate is mounted on the shoe.
Preferably, the cradle mechanism comprises a pair of supporting seats, an outer cradle which is hinged to the upper portions of the supporting seats through pins, an inner cradle which is hinged to the inner portion of the outer cradle through pins, and a clamping assembly which is mounted on the inner cradle, the bottoms of the supporting seats are fixedly mounted on the top of the upper floating plate, and the arrangement direction of the pins between the outer cradle and the supporting seats and the arrangement direction of the pins between the outer cradle and the inner cradle are perpendicular to each other.
Preferably, the clamping assembly comprises a pair of clamping plates arranged at the top of the inner cradle and a plurality of groups of clamping block groups sequentially arranged from top to bottom, each clamping block group comprises a fixed block and a clamping block, one end, far away from each other, of each clamping plate is fixed with the inner cradle, the top of the workpiece is clamped between one ends, close to each other, of the clamping plates, the fixed block is fixed with the inner cradle, the clamping blocks are connected with the fixed blocks, and the lower parts of the workpiece are clamped between the clamping blocks and the fixed blocks.
Preferably, notches corresponding to the position of the limit stops one by one are formed in the side portion of the upper floating plate, and the end portions of the limit screw and the adjustable buffer extend into the corresponding notches.
The side edge of the notch is combined with the limit screw and the adjusting type buffer to assist the limit of the translation on the upper floating plate in the direction perpendicular to the setting direction of the limit screw, the limit of the upper floating plate in the translation process is ensured, the stability of the cradle mechanism in the translation is further ensured, and the flexibility of the movement of a workpiece in the directions of six spatial degrees of freedom is ensured through the matching of the cradle mechanism and the floating table, so that the processing quality is improved.
Has the beneficial effects that: the application discloses anchor clamps are used in deep hole honing processing, including cradle mechanism, cradle mechanism installs on the floating platform, the floating platform includes lower kickboard, goes up kickboard, universal bearing, limit stop, limit screw. In the processing process, the cradle mechanism can freely translate on the floating platform under the driving of the honing head, the translation range is limited under the arrangement of the limit stop block and the limit screw rod, the translation stability of the workpiece in the processing process is effectively improved, the flexibility of the workpiece moving in the directions of six degrees of freedom in space is ensured through the matching of the cradle mechanism and the floating platform, and the processing quality is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a perspective view of a deep hole honing process clamp in an embodiment of the application;
FIG. 2 is an exploded view of the structure among the upper floating plate, the universal bearing and the lower floating plate in the embodiment of the present application;
fig. 3 is an enlarged schematic view of a portion a of fig. 1.
Reference numerals are as follows: 1. a lower floating plate; 2. an upper floating plate; 3. a universal bearing; 4. a limit stop block; 5. a limit screw; 6. an adjustable buffer; 7. a pad seat; 8. a supporting base; 9. an outer cradle; 10. an inner cradle; 11. a clamping assembly; 1101. a clamping plate; 1102. a fixed block; 1103. a clamping block; 12. and (5) a workpiece.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.
In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present disclosure and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that the standard parts used in the present specification are commercially available and can be customized according to the description and drawings. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may 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. Specific meanings of the above terms in the present disclosure can be understood by those of ordinary skill in the art according to specific situations, and machines, parts and equipment can be of conventional type in the art without being explicitly defined.
In this document, the term "comprises/comprising" is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" comprises 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Examples
Referring to fig. 1, a deep hole honing jig includes a cradle mechanism, which may be any one of the prior art. The bottom of the cradle mechanism is fixedly arranged on a floating platform, and the floating platform comprises a lower floating plate 1, an upper floating plate 2, a universal bearing 3, a limit stop 4 and a limit screw 5. The lower floating plate 1 and the upper floating plate 2 can be any plate-shaped structure in the prior art, such as metal plates. The universal bearing 3, the limit stop 4 and the limit screw 5 can be any one of the prior art.
Specifically, the method comprises the following steps:
a. the bottom of the cradle mechanism is fixedly mounted on the top of the upper floating plate 2, so that the upper floating plate 2 drives the cradle mechanism to translate above the lower floating plate 1, and the translation range can be about 1mm (it should be noted that the translation range is well known to those skilled in the art, and the reason for the translation is also described in the background of the present application, and also known to those skilled in the art, and the specific translation range value can be adjusted by adjusting the structure of the cradle mechanism, which is not the content of the improvement of the present technology and is not described herein again).
b. A plurality of universal bearing 3 set up between the bottom of last kickboard 2 and the top of lower kickboard 1, in this embodiment, as shown in fig. 2, universal bearing 3 is the universal ball of embedding type, the universal ball of embedding type is any one among the prior art, this universal ball of embedding type includes spheroid portion, installation department with spheroid portion complex, spheroid portion offsets with the bottom surface of kickboard 2 and leans on, the installation department inlays to locate in the mounting hole that the top surface of kickboard 1 set up down, through universal bearing 3's setting, guarantee the smooth and easy degree of kickboard 2 translation on kickboard 1 down, and then stability when improving cradle mechanism translation.
c. The lower floating plate 1 is fixedly mounted on a workbench or other equipment in a processing environment, in this embodiment, the lower floating plate 1 is mounted on a pedestal 7, and the pedestal 7 can be a workbench or a counter weight table, for the purpose of increasing the stability of the lower floating plate 1.
d. A plurality of limit stops 4 equipartitions are in the week side of lower kickboard 1, and limit stop 4 can be fixed through the mode of spiro union with lower kickboard 1, and limit stop 4's upper portion protrusion sets up in 1 tops of lower kickboard.
e. Stop screw 5 spiro union is installed in limit stop 4's upper portion, stop screw 5's tip is towards the lateral part setting of last kickboard 2, 5 tip lower edges of stop screw set up highly be higher than the setting height of 2 bottoms of kickboard and be less than the setting height at 2 tops of last kickboard, stop screw 5 can be, for example, hex bolts etc., thereby it is used for adjusting the length of last kickboard 2 one side on stop screw 5 to adjust back adjustment and limit stop 4's spiro union position, generally, the external diameter that can choose for use 5 tip of stop screw is less than the thickness of last kickboard 2, through rotatory stop screw 5, can carry out spacing adjustment to the translation scope of kickboard 2, thereby conveniently carry out the adjustment of adaptability as required.
Based on the clamp for deep hole honing processing recorded in the items a-e, in the processing process, the cradle mechanism can enable the upper floating plate 2 to stably translate on the lower floating plate 1 under the driving of the honing head, and the translation range is limited under the arrangement of the limit stop 4 and the limit screw 5, so that the translation stability of the workpiece 12 in the processing process is effectively improved, and the processing quality is further improved. Meanwhile, the flexibility of the movement of the workpiece 12 in the directions of six degrees of freedom in space is ensured by the matching of the cradle mechanism and the floating platform, and the processing quality is improved.
In the present embodiment, as shown in fig. 1 and 3 in conjunction, the cradle mechanism includes a pair of support bases 8, an outer cradle 9 hingedly mounted between upper portions of the pair of support bases 8 by a pin, an inner cradle 10 hingedly mounted inside the outer cradle 9 by a pin, and a clamping assembly 11 mounted on the inner cradle 10. The supporting seats 8 may be any one of those in the prior art, such as a vertical plate, etc., and the bottom of the pair of supporting seats 8 is fixedly installed on the top of the upper floating plate 2. The outer cradle 9 and the inner cradle 10 can be any one of the prior art, and the arrangement direction of the pin between the outer cradle 9 and the supporting seat 8 and the arrangement direction of the pin between the outer cradle 9 and the inner cradle 10 are perpendicular to each other. In some possible embodiments, locking structures such as locking nuts can be further arranged between the outer cradle 9 and the supporting seat 8 and between the outer cradle 9 and the inner cradle 10, so that the whole cradle mechanism has high stability when being translated.
The clamping assembly 11 comprises a pair of clamping plates 1101 arranged on the top of the inner cradle 10, and a plurality of clamping block groups arranged in sequence from top to bottom. The clamping plates 1101 may be any one of the prior art, the top of the workpiece 12 is clamped between the ends of the pair of clamping plates 1101 close to each other, in this embodiment, the inner cradle 10 is arranged in a long cylindrical structure as shown in fig. 1, a supporting plate is arranged at the lower part of the inner cradle 10, the clamping plates 1101 are provided with notches fitted to the outer edges of the top end of the workpiece 12, the distance from the supporting plate to the upper edge of the notch on the clamping plates 1101 is the same as the length of the workpiece 12, and the workpiece 12 is clamped between the two clamping plates 1101 in the horizontal direction and between the notch of the clamping plates 1101 and the inner cradle 10 in the vertical direction through the notches. The clamping block group comprises a fixing block 1102 and a clamping block 1103, one end, far away from each other, of each clamping plate 1101 is fixed with the inner cradle 10, the fixing block 1102 is fixed with the inner cradle 10, the clamping block 1103 is connected with the fixing block 1102, the lower portion of the workpiece 12 is clamped between the clamping block 1103 and the fixing block 1102, and through the arrangement of the clamping assemblies 11, the workpiece 12 can be clamped comprehensively, so that clamping of the workpiece 12 in the machining process is guaranteed, and machining quality is improved.
As a preferable embodiment of the present embodiment, the floating platform further includes an adjustable buffer 6, the adjustable buffer 6 may be any one of the prior art, the adjustable buffer 6 is installed on the upper portion of the limit stop 4 and is arranged parallel to the limit screw 5, the installation height of the lower edge of the end portion of the adjustable buffer 6 is higher than the installation height of the bottom portion of the floating plate 2 and lower than the installation height of the top portion of the floating plate 2, and generally, the outer diameter of the end portion of the adjustable buffer 6 may be designed to be smaller than the thickness of the floating plate 2. Through the arrangement of the adjusting type buffer 6, the side part of the upper floating plate 2 can be protected and buffered when the upper floating plate 2 translates, so that the stability of the cradle mechanism in translation in the machining process is improved, the stability of the workpiece 12 in translation in the machining process is further improved, and the machining quality is improved.
More preferably, the side part of the upper floating plate 2 is provided with notches corresponding to the positions of the limit stops 4 one by one, and the end parts of the limit screw 5 and the adjustable buffer 6 extend into the corresponding notches. The positioning of the limit stop 4 during installation can be facilitated through the notch arranged on the side part of the upper floating plate 2, the size of the notch can be designed, the limit screw 5 and the adjusting type buffer 6 are combined on the side edge of the notch to assist the limit on the translation of the upper floating plate 2 in the direction perpendicular to the setting direction of the limit screw 5, the limit in the translation process of the upper floating plate 2 is ensured, the stability of the cradle mechanism during translation is further ensured, the flexibility of the movement of the workpiece 12 in the directions of six spatial degrees of freedom is ensured through the matching of the cradle mechanism and the floating platform, and the processing quality is improved.
Finally, it should be noted that: although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the present application.
Claims (7)
1. A clamp for deep hole honing processing comprises a cradle mechanism and is characterized in that the cradle mechanism is mounted on a floating platform, and the floating platform comprises a lower floating plate (1), an upper floating plate (2), a universal bearing (3), a limit stop (4) and a limit screw (5);
the bottom of the cradle mechanism is fixedly arranged at the top of the upper floating plate (2);
the universal bearings (3) are arranged between the bottom of the upper floating plate (2) and the top of the lower floating plate (1);
the lower floating plate (1) is fixedly arranged;
the limit stops (4) are uniformly distributed on the periphery of the lower floating plate (1), the limit stops (4) are fixed with the lower floating plate (1), and the upper parts of the limit stops (4) protrude out of the top of the lower floating plate (1);
the limiting screw (5) is in threaded connection with the upper portion of the limiting stop block (4), the end portion of the limiting screw (5) faces towards the side portion of the upper floating plate (2), and the setting height of the lower edge of the end portion of the limiting screw (5) is higher than that of the bottom of the upper floating plate (2) and lower than that of the top of the upper floating plate (2).
2. The clamp for deep hole honing processing according to claim 1, wherein the universal bearing (3) is an embedded universal ball, the embedded universal ball comprises a ball portion and a mounting portion matched with the ball portion, the ball portion abuts against the bottom surface of the upper floating plate (2), and the mounting portion is embedded in a mounting hole formed in the top surface of the lower floating plate (1).
3. The deep hole honing jig according to claim 1, wherein the floating table further comprises an adjustable buffer (6), the adjustable buffer (6) is mounted on the upper portion of the limit stop (4) and is arranged in parallel with the limit screw (5), and the setting height of the lower edge of the end portion of the adjustable buffer (6) is higher than the setting height of the bottom of the upper floating plate (2) and lower than the setting height of the top of the upper floating plate (2).
4. The jig for deep hole honing process according to claim 1, wherein the lower floating plate (1) is mounted on a shoe (7).
5. The deep-hole honing jig according to claim 1, wherein the cradle mechanism includes a pair of support bases (8), an outer cradle (9) pivotally mounted between upper portions of the pair of support bases (8) by pins, an inner cradle (10) pivotally mounted inside the outer cradle (9) by pins, and a clamp assembly (11) mounted on the inner cradle (10), wherein bottom portions of the pair of support bases (8) are fixedly mounted on a top portion of the upper floating plate (2), and an arrangement direction of the pins between the outer cradle (9) and the support bases (8) and an arrangement direction of the pins between the outer cradle (9) and the inner cradle (10) are perpendicular to each other.
6. The deep hole honing jig of claim 5, wherein the clamping assembly (11) comprises a pair of clamping plates (1101) arranged on the top of the inner cradle (10), and a plurality of clamping block sets sequentially arranged from top to bottom, the clamping block sets comprise a fixing block (1102) and a clamping block (1103), one ends of the pair of clamping plates (1101) far away from each other are respectively fixed with the inner cradle (10), the top of the workpiece (12) is clamped between the ends of the pair of clamping plates (1101) close to each other, the fixing block (1102) is fixed with the inner cradle (10), the clamping block (1103) is connected with the fixing block (1102), and the lower part of the workpiece (12) is clamped between the clamping block (1103) and the fixing block (1102).
7. The deep hole honing process clamp according to claim 3, wherein notches corresponding to the positions of the limit stops (4) are provided on the side portions of the upper floating plate (2), and the ends of the limit screw (5) and the adjustable buffer (6) extend into the corresponding notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222254342.9U CN218254528U (en) | 2022-08-26 | 2022-08-26 | Clamp for deep hole honing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222254342.9U CN218254528U (en) | 2022-08-26 | 2022-08-26 | Clamp for deep hole honing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218254528U true CN218254528U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222254342.9U Active CN218254528U (en) | 2022-08-26 | 2022-08-26 | Clamp for deep hole honing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218254528U (en) |
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2022
- 2022-08-26 CN CN202222254342.9U patent/CN218254528U/en active Active
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