CN218781770U - Manual clamping device for checking fixture reference surface - Google Patents
Manual clamping device for checking fixture reference surface Download PDFInfo
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- CN218781770U CN218781770U CN202222821404.XU CN202222821404U CN218781770U CN 218781770 U CN218781770 U CN 218781770U CN 202222821404 U CN202222821404 U CN 202222821404U CN 218781770 U CN218781770 U CN 218781770U
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- positioning pin
- telescopic pressing
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Abstract
The utility model relates to a manual clamping device of a gauge datum plane, which comprises an installation base, an installation support, a datum plane, a positioning pin and a telescopic pressing block; the lower end of the positioning pin is provided with a positioning pin seat, the upper end and the lower end of the mounting support are respectively and fixedly connected with the positioning pin seat and the mounting base, and the reference surface is sleeved on the positioning pin and is positioned above the positioning pin seat; the telescopic pressing blocks are provided with two pressing ends which are arranged oppositely, and the positioning pins are opposite to abdicating openings which allow the pressing ends of the telescopic pressing blocks to pass through; the mounting support is provided with a mounting groove for mounting the telescopic pressing block, the mounting support is further provided with a transmission structure for driving the telescopic pressing block to move, and the transmission structure is outwards connected with a handle connecting rod. The utility model has the advantages of can effectively compress tightly the reference surface, reduce the unstable risk of size measurement.
Description
Technical Field
The utility model relates to an examine a technical field, especially relate to a examine manual clamping device of a reference surface.
Background
The modeling of automobile beam parts adopts a U-shaped structure, the part measurement and assembly reference are generally designed at the bottom of a U-shaped longitudinal beam, a reinforcement piece needs to be added inside the longitudinal beam in order to increase the collision strength of the longitudinal beam during product design, and after the added reinforcement piece shields a positioning pin and a reference surface below, the reference surface cannot be pressed by a pressing clamp right above the reference surface. In this case, if the part is placed alone without being pressed, the force-receiving position of the part may shift during manual or CMM measurements, thereby causing distortion in the measured data of the part.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve is how to provide a manual clamping device who examines a reference surface, is in the confined space or uses when perpendicular hold-down mechanism installation space is not enough to specific part locating pin and reference surface, can effectively compress tightly the reference surface, reduces the unstable risk of size measurement. The manual clamping device can meet the requirements that parts are normally taken and placed in an opening state, and the pressing state can meet the pressing of a reference surface and the measurement requirements of the parts.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a manual clamping device for a gauge reference surface comprises a mounting base, a mounting support, a reference surface, a positioning pin and a telescopic pressing block;
the lower end of the positioning pin is provided with a positioning pin seat, the upper end and the lower end of the mounting support are respectively and fixedly connected with the positioning pin seat and the mounting base, and the reference surface is sleeved on the positioning pin and is positioned above the positioning pin seat;
the telescopic pressing blocks are provided with two pressing ends which are arranged oppositely, and the positioning pins are opposite to abdicating openings which allow the pressing ends of the telescopic pressing blocks to pass through;
the mounting support is provided with a mounting groove for mounting the telescopic pressing block, the mounting support is further provided with a transmission structure for driving the telescopic pressing block to move, and the transmission structure is outwards connected with a handle connecting rod.
The transmission structure comprises a fixed pin, an upper pin, a lower pin and a sliding connection block;
the fixing pin is fixedly connected with the mounting support, the upper pin is movably connected with the mounting support, a guide groove is arranged on the mounting support in a penetrating manner, the lower pin is movably positioned in the guide groove, and the fixing pin, the upper pin and the lower pin are arranged oppositely along the vertical direction and penetrate through the mounting groove;
the telescopic pressing blocks are sequentially provided with bending grooves, limiting grooves and mounting holes in the vertical direction, the bending directions of the bending grooves formed in the two telescopic pressing blocks are opposite, the fixing pins are matched with the bending grooves, the upper pins are matched with the limiting grooves, and the lower pins are connected with the mounting holes through pin sleeves;
the sliding connection block is U-shaped, an upper guide groove and an arc-shaped groove are respectively arranged at two ends of the sliding connection block, the upper guide groove is matched with the upper pin, the arc-shaped groove is matched with the lower pin, and the sliding connection block is fixedly connected with the handle connecting rod.
The two sides of the mounting support are concave inwards to form a plane, and the sliding connection block is attached to the plane in a sliding mode.
Wherein, the end part of the handle connecting rod is fixedly provided with a handle head.
And circular sinking platforms are arranged at the two ends of the mounting support and are respectively connected with the positioning pin seat and the mounting base in a matching manner.
To sum up, the utility model has the advantages of can effectively compress tightly the reference surface, reduce the unstable risk of size measurement.
Drawings
Fig. 1 is a schematic structural view of a manual clamping device for an inspection tool reference surface, which is in an uncompacted state.
Fig. 2 is a schematic structural view of fig. 1 in a compressed state.
Fig. 3 is a schematic view of another orientation of fig. 1.
Fig. 4 is a schematic view of another orientation of fig. 2.
FIG. 5 is a schematic view of FIG. 3 with the mounting base, mounting bracket, locating pin and datum plane removed.
FIG. 6 is a schematic view of FIG. 4 with the mounting base, mounting bracket, alignment pin and datum surface removed.
Fig. 7 is a schematic view of the sliding connection block, the handle connecting rod and the handle head.
FIG. 8 is a schematic view of a mounting bracket.
FIG. 9 is a schematic view of a locating pin.
Fig. 10 is a schematic view of the telescoping compact block with the fixed pin, the upper pin and the lower pin.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "upper and lower" and "top and bottom" etc. are generally based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-10, a manual clamping device for a gauge reference surface comprises a mounting base 1, a mounting support 2, a reference surface 3, a positioning pin 4 and a telescopic pressing block 5;
the lower end of the positioning pin is provided with a positioning pin seat 6, the upper end and the lower end of the mounting support are respectively and fixedly connected with the positioning pin seat and the mounting base, and the reference surface is sleeved on the positioning pin and is positioned above the positioning pin seat;
the telescopic pressing blocks are provided with two pressing ends which are arranged oppositely, and the positioning pins are opposite to abdicating openings which allow the pressing ends of the telescopic pressing blocks to pass through;
the mounting support is provided with a mounting groove for mounting the telescopic pressing block, the mounting support is further provided with a transmission structure for driving the telescopic pressing block to move, and the transmission structure is connected with a handle connecting rod 7 outwards.
In this way, the reference surface is sleeved outside the positioning pin and is positioned on the positioning pin seat, the positioning hole of the part penetrates through the positioning pin and is placed on the reference surface, and the part needs to be pressed tightly, then the handle connecting rod is rotated, the two telescopic pressing blocks are driven to move downwards and outwards through the transmission structure, and the part is pressed tightly on the reference surface; when the part needs to be taken down, the handle connecting rod is reversely rotated to drive the transmission structure to reversely move, so that the two telescopic pressing blocks move upwards and inwards to avoid interference on the part, and then the part is taken down.
In this embodiment, the transmission structure includes a fixed pin 8, an upper pin 9, a lower pin 10, and a sliding connection block 11;
the fixing pin is fixedly connected with the mounting support, the upper pin is movably connected with the mounting support, a guide groove 12 is arranged on the mounting support in a penetrating mode, the lower pin is movably located in the guide groove, and the fixing pin, the upper pin and the lower pin are arranged in a right-facing mode in the vertical direction and penetrate through the mounting groove;
the telescopic pressing blocks are sequentially provided with bending grooves 13, limiting grooves 14 and mounting holes in the vertical direction, the bending directions of the bending grooves formed in the two telescopic pressing blocks are opposite, the fixing pins are matched with the bending grooves, the upper pins are matched with the limiting grooves, and the lower pins are connected with the mounting holes through pin sleeves;
the sliding connection block is U-shaped, the both ends of sliding connection block are provided with guide slot 15 and arc wall 16 respectively, go up guide slot and last round pin cooperation, the arc wall cooperates with lower round pin nail, sliding connection block and handle connecting rod fixed connection.
In the process of downward movement of the telescopic pressing block, due to the arrangement of the bending groove, the movement of the telescopic pressing block is guided through the matching of the fixed pin and the bending groove, so that the two telescopic pressing blocks move downwards and outwards, and the pressing end of the telescopic pressing block is pressed on the reference surface; when the part needs to be taken down, the handle connecting rod is rotated reversely, the lower pin slides to the upper end from the lower extreme of arc wall, and the pin is located the top of guide way down, because the pin passes through the key bush and is connected with the mounting hole of flexible compact heap down, then the in-process of pin upward movement drives flexible compact heap upward movement down, at the in-process of flexible compact heap upward movement, because the setting in bending groove, through the cooperation in fixed pin and bending groove, the motion to flexible compact heap is led, make two flexible compact heaps upwards and inward movement, avoid producing the interference to the part, later with the part take off can.
In this embodiment, two sides of the mounting support are recessed inwards to form a plane 17, and the sliding connection block is in sliding fit with the plane. The contact area is increased, and the stability is improved.
In this embodiment, a handle head 18 is fixedly mounted on the end of the handle connecting rod. Is convenient for driving the handle connecting rod to move.
In this embodiment, the both ends of erection support are provided with circular heavy platform, respectively with locating pin seat and installation base accordant connection. The installation is convenient.
In the specific implementation:
when the checking tool is not used, the device is in a non-compression state;
when the checking fixture is used, the positioning hole of the part penetrates through the positioning pin and is placed on the reference surface, the handle connecting rod is pressed downwards from the top, the lower pin slides into the lower end of the arc-shaped groove from the upper end of the arc-shaped groove on the sliding connecting block, and the telescopic pressing block extends out of two sides of the positioning pin to press the part correspondingly.
After the part is measured, the handle connecting rod is lifted up from the downward pressing, the lower pin slides into the upper end of the arc-shaped groove from the lower end of the arc-shaped groove on the sliding connecting block, the corresponding telescopic pressing block is retracted into the positioning pin from the two sides of the positioning pin, the part is taken down, and the compressing-opening cycle action is completed.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (5)
1. A manual clamping device for a reference surface of a checking fixture is characterized by comprising an installation base, an installation support, a reference surface, a positioning pin and a telescopic pressing block;
the lower end of the positioning pin is provided with a positioning pin seat, the upper end and the lower end of the mounting support are respectively and fixedly connected with the positioning pin seat and the mounting base, and the reference surface is sleeved on the positioning pin and is positioned above the positioning pin seat;
the telescopic pressing blocks are provided with two pressing ends which are arranged oppositely, and the positioning pins are opposite to abdicating openings which allow the pressing ends of the telescopic pressing blocks to pass through;
the mounting support is provided with a mounting groove for mounting the telescopic pressing block, the mounting support is further provided with a transmission structure for driving the telescopic pressing block to move, and the transmission structure is outwards connected with a handle connecting rod.
2. The manual clamping device for the gauge datum plane according to claim 1, wherein the transmission structure comprises a fixed pin, an upper pin, a lower pin and a sliding connection block;
the fixing pin is fixedly connected with the mounting support, the upper pin is movably connected with the mounting support, a guide groove is arranged on the mounting support in a penetrating manner, the lower pin is movably positioned in the guide groove, and the fixing pin, the upper pin and the lower pin are arranged oppositely along the vertical direction and penetrate through the mounting groove;
the telescopic pressing blocks are sequentially provided with bending grooves, limiting grooves and mounting holes in the vertical direction, the bending directions of the bending grooves formed in the two telescopic pressing blocks are opposite, the fixing pins are matched with the bending grooves, the upper pins are matched with the limiting grooves, and the lower pins are connected with the mounting holes through pin sleeves;
the sliding connection block is U-shaped, the two ends of the sliding connection block are respectively provided with an upper guide groove and an arc-shaped groove, the upper guide groove is matched with the upper pin, the arc-shaped groove is matched with the lower pin, and the sliding connection block is fixedly connected with the handle connecting rod.
3. The manual clamping device for the gauge datum plane according to claim 2, wherein two sides of the mounting support are concave inwards to form a plane, and the sliding connection block is in sliding fit with the plane.
4. The manual clamping device for the gauge datum plane according to claim 3, wherein a handle head is fixedly mounted at the end of the handle connecting rod.
5. The manual clamping device for the check tool datum plane according to claim 3, wherein circular sinking platforms are arranged at two ends of the mounting support and are respectively connected with the positioning pin seat and the mounting base in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821404.XU CN218781770U (en) | 2022-10-26 | 2022-10-26 | Manual clamping device for checking fixture reference surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821404.XU CN218781770U (en) | 2022-10-26 | 2022-10-26 | Manual clamping device for checking fixture reference surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218781770U true CN218781770U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222821404.XU Active CN218781770U (en) | 2022-10-26 | 2022-10-26 | Manual clamping device for checking fixture reference surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218781770U (en) |
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2022
- 2022-10-26 CN CN202222821404.XU patent/CN218781770U/en active Active
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