CN222449285U - A zero point positioning structure for a fixture for drilling and boring large and small holes - Google Patents
A zero point positioning structure for a fixture for drilling and boring large and small holes Download PDFInfo
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- CN222449285U CN222449285U CN202420190459.1U CN202420190459U CN222449285U CN 222449285 U CN222449285 U CN 222449285U CN 202420190459 U CN202420190459 U CN 202420190459U CN 222449285 U CN222449285 U CN 222449285U
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Abstract
The utility model relates to a zero point positioning structure of a drilling and boring large and small hole clamp, which comprises a support base, wherein at least two vertical plates are arranged on the support base at intervals, a plurality of positioning pieces are convexly arranged at the top ends of the vertical plates, a clamp plate is arranged on the vertical plates, positioning holes are formed in the clamp plate corresponding to the positioning pieces, the positioning pieces are movably inserted into the positioning holes and penetrate through the upper surfaces of the clamp plate, on one hand, the zero point determining mode is optimized, the installation and positioning efficiency of the clamp plate is improved, the machining procedure of a connecting rod is simplified, on the other hand, the repeated replacement and installation and positioning time of the clamp plate in the machining process is saved, the working efficiency is improved, and in addition, the positioning pieces penetrate through the upper surfaces of the clamp plate, scrap iron generated in the machining process of the connecting rod is effectively prevented from falling into the positioning holes, and the risk of being blocked in the installation and positioning process of the clamp plate is reduced.
Description
Technical Field
The utility model relates to the technical field of fixture positioning, in particular to a zero point positioning structure of a drilling and boring large and small hole fixture.
Background
In the field of the mechanical industry, we will refer to the reference as zero or null. In machining or measuring, a zero point of the workpiece must first be determined, and then machining or measuring is performed according to the zero point. However, during processing, the parts are often not kept still all the time, the zero point is required to be determined from one working procedure to another working procedure, from one machine tool to another machine tool, and the parts with irregular shapes are not good, so that the zero point is required to be aligned by dragging the meter again, a lot of auxiliary work is performed, a large amount of downtime is caused, and the working efficiency is reduced.
Disclosure of utility model
The utility model aims to overcome the defect of complicated clamping and positioning steps of a clamp plate in the machining process of a connecting rod in the prior art, thereby providing a zero point positioning structure of a clamp for drilling and boring big and small holes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A zero point positioning structure of a drilling and boring big and small hole clamp, comprising:
The support base is provided with at least two vertical plates at intervals, and a plurality of positioning pieces are convexly arranged at the top ends of the vertical plates;
The fixture plate is arranged on the vertical plate, a positioning hole is formed in the fixture plate corresponding to the positioning piece, and the positioning piece is movably inserted into the positioning hole and penetrates through the upper surface of the fixture plate.
Preferably, the positioning piece comprises a first positioning column and a second positioning column, one end of the second positioning column is fixedly connected with the vertical plate, and the other end of the second positioning column is fixedly connected with the first positioning column;
When the clamp plate is connected with the vertical plate, the first positioning column penetrates out of the positioning hole to be exposed on the upper surface of the clamp plate.
Preferably, the diameter of the cross section of the second positioning column is smaller than or equal to the diameter of the positioning hole.
Preferably, the first positioning post comprises a tapered post,
The tapered post has a first end face and a second end face, the first end face having a smaller cross-sectional area than the second end face,
And the first end face is disposed toward the jig plate,
The second end face is arranged towards the second positioning column and fixedly connected with the second positioning column.
Preferably, the taper of the tapered post is 10 °.
Preferably, the top end of the vertical plate is also provided with a plurality of T-shaped fixing grooves, the position of the fixture plate corresponding to the T-shaped fixing grooves is provided with fixing holes,
The T-shaped fixing groove is formed in the upper surface of the T-shaped fixing plate, and the T-shaped fixing groove is formed in the lower surface of the T-shaped fixing plate.
Preferably, the support base is further provided with a plurality of support columns, and the heights of the support columns in the vertical direction are equal to the heights of the vertical plates;
And one end of the support column is fixedly connected with the support base, and the other end of the support column is abutted to one side, facing the support base, of the clamp plate.
Preferably, the fixture plate is further provided with a plurality of hanging rings, and the hanging rings are detachably connected with the upper surface of the fixture plate.
Compared with the prior art, the utility model has the beneficial effects that:
According to the zero point positioning structure of the drilling and boring large and small hole clamp, provided by the technical scheme, at least two vertical plates are arranged on the supporting base at intervals, the plurality of positioning pieces are arranged at the upper ends of the vertical plates in a protruding mode, and correspondingly, the positioning holes are formed in the positions, corresponding to the positioning pieces, of the clamp plates, so that the positioning pieces can be movably inserted into the positioning holes and penetrate through the upper surfaces of the clamp plates when the clamp plates and the vertical plates are positioned and installed, on one hand, the zero point determining mode is optimized, the efficiency of the installation and positioning of the clamp plates is improved, the machining procedure of a connecting rod is simplified, on the other hand, the time of repeated replacement and installation and positioning of the clamp plates in the machining process is saved, the working efficiency is improved, in addition, the positioning pieces penetrate through the upper surfaces of the clamp plates, scrap iron generated in the machining process of the connecting rod is effectively prevented from falling into the positioning holes, and the risk of being blocked in the installation and positioning process of the clamp plates is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall structure of a zero point positioning structure according to an embodiment of the present utility model.
Fig. 2 is a schematic view of the positioning member shown in fig. 1.
Reference numerals illustrate:
1. The device comprises a supporting base, 11, a vertical plate, 12, a positioning piece, 121, a first positioning column, 122, a second positioning column, 13, a T-shaped fixing groove, 2, a clamp plate, 21, a positioning hole, 22, a fixing hole, 3, a supporting column, 4 and a hanging ring.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the utility model provides a zero point positioning structure of a drilling and boring large and small hole clamp, which is shown in fig. 1 and 2, and comprises a support base 1, wherein the support base 1 is used for being matched with an operation platform connected with processing equipment, at least two vertical plates 11 are arranged on the support base 1 at intervals, the vertical plates 11 are used for installing clamps for bearing and clamping connecting rods, a plurality of positioning pieces 12 are convexly arranged at the top ends of the vertical plates 11, the positioning pieces 12 are used for assisting in clamp assembly positioning, a clamp plate 2 is used for installing clamps for clamping the connecting rods, the clamp plate 2 is arranged on the vertical plates 11, positioning holes 21 are formed in positions of the clamp plate 2 corresponding to the positioning pieces 12, and then when the clamp plate 2 and the vertical plates 11 are installed and positioned, the positioning pieces 12 on the vertical plates 11 are movably inserted into the positioning holes 21 and penetrate through the upper surfaces of the clamp plate 2 so as to prevent scrap iron generated in the connecting rods in the processing process from falling into the positioning holes 21.
The fixture plate 2 is characterized in that at least two vertical plates 11 are arranged on the support base 1 at intervals, a plurality of locating pieces 12 are arranged at the upper ends of the vertical plates 11 in a protruding mode, and correspondingly, locating holes 21 are formed in positions, corresponding to the locating pieces 12, of the fixture plate 2, so that when the fixture plate 2 and the vertical plates 11 are located and installed, the locating pieces 12 can be movably inserted into the locating holes 21 and penetrate through the upper surfaces of the fixture plate 2, on one hand, the zero point determining mode is optimized, the installation and locating efficiency of the fixture plate 2 is improved, the machining procedure of a connecting rod is simplified, on the other hand, the repeated replacement and installation locating time of the fixture plate 2 in the machining process is saved, the working efficiency is improved, in addition, the locating pieces 12 penetrate through the upper surfaces of the fixture plate 2, the scrap iron generated in the machining process of the connecting rod is effectively prevented from falling into the locating holes 21, and the risk of being blocked in the installation and locating process of the fixture plate 2 is reduced.
Specifically, the positioning member 12 includes a first positioning column 121 and a second positioning column 122, for convenience in processing and manufacturing, the first positioning column 121 and the second positioning column 122 are generally in an integrated structure, one end of the second positioning column 122 is fixedly connected with the vertical plate 11, the other end is fixedly connected with the first positioning column 121, and when the fixture plate 2 is connected with the vertical plate 11, the first positioning column 121 penetrates through the positioning hole 21 to be exposed on the upper surface of the fixture plate 2.
Specifically, in order to ensure that the positioning connection between the clamp plate 2 and the vertical plate 11 is smoother, the diameter of the cross section of the second positioning column 122 is smaller than or equal to the diameter of the positioning hole 21 so as to avoid clamping when the clamp plate 2 and the vertical plate 11 are positioned and assembled, preferably, the outer side wall of the second positioning column 122 is in clearance fit with the inner wall of the positioning hole 21, on one hand, the influence of scrap iron generated by processing in the matching process of the positioning piece 12 and the positioning hole 21 can be better avoided, on the other hand, the effective contact area between the second positioning column 122 and the positioning hole 21 can be ensured based on the clearance fit of the second positioning column 122 and the positioning hole 21, and then the abrasion problem caused by repeated replacement of the clamp plate 2 is avoided.
Preferably, in order to enable the positioning hole 21 on the clamp plate 2 and the positioning piece 12 protruding from the vertical plate 11 to be positioned and installed quickly, the first positioning column 121 of the positioning piece 12 comprises a conical column, the conical column is provided with a first end face and a second end face, the cross section area of the first end face is smaller than that of the second end face, the first end face of the conical column is further arranged towards the clamp plate 2, so that the positioning piece 12 can accurately penetrate into the positioning hole 21 when the clamp plate 2 and the vertical plate 11 are matched and installed, the alignment time of the positioning column and the positioning hole 21 is shortened, the clamping time of the clamp plate 2 when a machine tool is replaced and adjusted is further saved, the second end face of the positioning column is arranged towards the second positioning column 122 and is fixedly connected with the second positioning column 122, and the second positioning column 122 can finish clamping and positioning between the clamp plate 2 and the vertical plate 11 conveniently after the conical column is penetrated into the positioning hole 21.
Preferably, in order to facilitate the connection and cooperation of the tapered column and the positioning hole 21, the taper of the tapered column is set to 10 degrees in the present application.
Specifically, in order to enable clamping and positioning of the clamp plate 2 and the vertical plate 11 to be more stable, a plurality of T-shaped fixing grooves 13 are further formed in the top end of the vertical plate 11, fixing holes 22 are formed in positions, corresponding to the T-shaped fixing grooves 13, of the clamp plate 2, the positioning structure further comprises T-shaped pieces and fastening pieces, then the T-shaped pieces are arranged in the T-shaped fixing grooves 13, the fastening pieces are connected with the T-shaped pieces through the fixing holes 22, so that the clamp plate 2 and the vertical plate 11 are connected and fixed, vibration or looseness of the clamp plate 2 and the vertical plate 11 due to equipment operation in the machining process is avoided, and machining accuracy of a connecting rod is affected.
Furthermore, in order to form a stable support for the clamp plate 2, a plurality of support columns 3 are further arranged on the support base 1, the height of each support column 3 in the vertical direction is equal to that of each vertical plate 11, one end of each support column 3 is fixedly connected with the support base 1, the other end of each support column 3 is abutted against one side, facing the support base 1, of the clamp plate 2, and specifically, each support column 3 is usually arranged at a position between two adjacent vertical plates 11.
In addition, in order to facilitate machine tool adjustment of the clamp plate 2 for different machining procedures in the machining process of the matched connecting rod, a plurality of hanging rings 4 are further arranged on the clamp plate 2, so that workers can hoist and transfer the clamp plate 2 and the connecting rod clamped on the clamp plate 2 through auxiliary equipment, in order to ensure that the clamp plate 2 is stable in the hoisting and transferring process, the hanging rings 4 are symmetrically distributed on the clamp plate 2, in the application, four hanging rings 4 are selected, the four hanging rings 4 are respectively arranged at four corners of the clamp plate 2, and the hanging rings 4 are detachably connected with the upper surface of the clamp plate 2.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (8)
1. The zero point positioning structure of the drilling and boring large and small hole clamp is characterized by comprising the following components:
The support base is provided with at least two vertical plates at intervals, and a plurality of positioning pieces are convexly arranged at the top ends of the vertical plates;
The fixture plate is arranged on the vertical plate, a positioning hole is formed in the fixture plate corresponding to the positioning piece, and the positioning piece is movably inserted into the positioning hole and penetrates through the upper surface of the fixture plate.
2. The positioning structure according to claim 1, wherein the positioning member comprises a first positioning column and a second positioning column, one end of the second positioning column is fixedly connected with the vertical plate, and the other end of the second positioning column is fixedly connected with the first positioning column;
When the clamp plate is connected with the vertical plate, the first positioning column penetrates out of the positioning hole to be exposed on the upper surface of the clamp plate.
3. The positioning structure according to claim 2, wherein a diameter of the second positioning post cross section is equal to or smaller than a diameter of the positioning hole.
4. The positioning structure of claim 2, wherein the first positioning post comprises a tapered post,
The tapered post has a first end face and a second end face, the first end face having a smaller cross-sectional area than the second end face,
And the first end face is disposed toward the jig plate,
The second end face is arranged towards the second positioning column and fixedly connected with the second positioning column.
5. The positioning structure of claim 4 wherein the taper of the tapered post is 10 °.
6. The positioning structure according to claim 1, wherein the top end of the vertical plate is further provided with a plurality of T-shaped fixing grooves, the fixture plate is provided with fixing holes corresponding to the T-shaped fixing grooves,
The T-shaped fixing groove is formed in the upper surface of the T-shaped fixing plate, and the T-shaped fixing groove is formed in the lower surface of the T-shaped fixing plate.
7. The positioning structure according to claim 1, wherein the support base is further provided with a plurality of support columns, and the height of the support columns in the vertical direction is equal to the height of the vertical plate;
And one end of the support column is fixedly connected with the support base, and the other end of the support column is abutted to one side, facing the support base, of the clamp plate.
8. The positioning structure according to claim 1, wherein the clamp plate is further provided with a plurality of hanging rings, and the hanging rings are detachably connected with the upper surface of the clamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420190459.1U CN222449285U (en) | 2024-01-25 | 2024-01-25 | A zero point positioning structure for a fixture for drilling and boring large and small holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420190459.1U CN222449285U (en) | 2024-01-25 | 2024-01-25 | A zero point positioning structure for a fixture for drilling and boring large and small holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222449285U true CN222449285U (en) | 2025-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420190459.1U Active CN222449285U (en) | 2024-01-25 | 2024-01-25 | A zero point positioning structure for a fixture for drilling and boring large and small holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222449285U (en) |
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- 2024-01-25 CN CN202420190459.1U patent/CN222449285U/en active Active
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