CN107270851B - Fixing jig - Google Patents
Fixing jig Download PDFInfo
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- CN107270851B CN107270851B CN201710548421.1A CN201710548421A CN107270851B CN 107270851 B CN107270851 B CN 107270851B CN 201710548421 A CN201710548421 A CN 201710548421A CN 107270851 B CN107270851 B CN 107270851B
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- workpiece
- connecting rod
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- workbench
- reference surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The invention relates to a fixing jig for fixing a workpiece, which comprises: the device comprises a frame body, wherein connecting blocks with standard surfaces are arranged on two opposite inner side walls of the frame body, and the standard surfaces are used for being attached to a reference surface of a workpiece; the supporting mechanisms are arranged on two sides of the frame body; the auxiliary piece is rotatably arranged on the supporting mechanism; and the abutting mechanism is arranged at one end of the auxiliary piece far away from the supporting mechanism and is used for elastically abutting against the non-reference surface of the workpiece. When the fixed jig is placed on the workbench to perform height detection on the workpiece, the detection equipment on the workbench can perform height detection on the workpiece through the reference surface of the workpiece, so that interference on the height detection of the workpiece due to direct contact of the non-reference surface of the workpiece and the workbench is avoided, and the height detection precision of the workpiece can be greatly improved.
Description
Technical Field
The invention relates to the field of workpiece detection, in particular to a fixing jig.
Background
In order to improve the quality of the workpiece during the machining process, the workpiece is often subjected to a high degree of inspection after the machining process is completed to determine whether the workpiece is of acceptable quality. In inspection, a workpiece is usually placed on a worktable so as to be subjected to height detection by using a detection device on the worktable. Because the structure of the workpiece is complex, and the outer surface of the workpiece is not very smooth, the workpiece is directly placed on the workbench, so that the result error of the height detection of the workpiece is relatively large when the height detection of the workpiece is carried out, and the height detection precision of the workpiece is influenced.
Disclosure of Invention
Accordingly, there is a need for a fixture that can improve the height detection accuracy of a workpiece.
A fixing jig for fixing a workpiece, comprising:
the device comprises a frame body, wherein connecting blocks with standard surfaces are arranged on two opposite inner side walls of the frame body, and the standard surfaces are used for being attached to the reference surface of the workpiece;
the supporting mechanisms are arranged on two sides of the frame body;
the auxiliary piece is rotatably arranged on the supporting mechanism; and
the abutting mechanism is arranged at one end of the auxiliary piece, which is far away from the supporting mechanism, and is used for elastically abutting against the non-reference surface of the workpiece;
the datum plane of the workpiece is placed in a manner of being attached to the standard plane, and the auxiliary piece drives the abutting mechanism to rotate towards the direction close to the workpiece relative to the supporting mechanism, so that the abutting mechanism can elastically abut against the non-datum plane of the workpiece, and the datum plane of the workpiece is fixed on the standard plane.
In one embodiment, the fixing jig is used for being installed on a workbench, the supporting mechanism comprises a base and a connecting rod, the base is used for being connected with the workbench, the connecting rod is arranged on the base and fixedly connected with the frame body, and the auxiliary piece is rotatably arranged on the connecting rod.
In one embodiment, the connecting rod is provided with a limiting groove extending along the circumferential direction of the connecting rod, and the auxiliary member is clamped in the limiting groove.
In one embodiment, the device further comprises a limiting rod used for limiting the auxiliary piece to move relative to the connecting rod, and the limiting rod is arranged on the auxiliary piece and is abutted against the connecting rod.
In one embodiment, the connecting rod is further provided with a first clamping surface for fixing the connecting rod, and the first clamping surface is a plane.
In one embodiment, the holding mechanism includes:
the pull rod is arranged at one end of the auxiliary piece, which is far away from the supporting mechanism;
the pressure head is arranged at one end of the pull rod and is used for abutting against a non-reference surface of the workpiece; and
the spring is sleeved on the pull rod and elastically abuts between the pressure head and the pull rod.
In one embodiment, the auxiliary member is provided with a first connecting hole, the pull rod is inserted through the first connecting hole and is movable relative to the auxiliary member, the pull rod includes a small diameter portion and a large diameter portion fixedly connected to the small diameter portion, and the diameter of the large diameter portion is larger than that of the first connecting hole so as to limit the movement of the pull rod relative to the auxiliary member.
In one embodiment, the top end of the frame body is provided with an avoiding groove.
In one embodiment, a plurality of connecting blocks are symmetrically arranged on two opposite inner side walls of the through groove.
In one embodiment, the connecting block is integrally formed with the frame body.
Above-mentioned fixed tool places through the standard face of the reference surface laminating connecting block with the work piece, and the auxiliary member drives and supports the relative supporting mechanism of holding mechanism and rotate to the direction that is close to the work piece for support and hold the non-reference surface that the mechanism can elasticity butt work piece, thereby be fixed in the standard face of connecting block with the reference surface of work piece. When the fixed jig is placed on the workbench to perform height detection on the workpiece, the detection equipment on the workbench can perform height detection on the workpiece through the reference surface of the workpiece, so that interference on the height detection of the workpiece due to direct contact of the non-reference surface of the workpiece and the workbench is avoided, and the height detection precision of the workpiece can be greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a fixing jig according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of the fixing jig shown in fig. 1.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, a fixing fixture 100 according to an embodiment of the invention is used for fixing a workpiece 200. The fixing fixture 100 includes a frame 110, a supporting mechanism 130, an auxiliary member 140, and a supporting mechanism 150. The frame 110 has two opposite inner sidewalls provided with connecting blocks 120 having a standard surface 122. The standard face 122 of the attachment block 120 is adapted to conform to the datum 210 of the workpiece 200. The support mechanism 130 is plural. The plurality of supporting mechanisms 130 are disposed at both sides of the frame body 110. The auxiliary member 140 is rotatably disposed on the supporting mechanism 130. The abutting mechanism 150 is disposed at an end of the auxiliary member 140 away from the supporting mechanism 130. The abutting mechanism 150 is configured to elastically abut against the non-reference surface 220 of the workpiece 200. The reference surface 210 of the workpiece 200 is placed in close contact with the standard surface 122 of the connecting block 120, and the auxiliary member 140 drives the abutting mechanism 150 to rotate in a direction close to the workpiece 200 relative to the supporting mechanism 130, so that the abutting mechanism 140 can elastically abut against the non-reference surface 220 of the workpiece 200, and then the reference surface 210 of the workpiece 200 is fixed on the standard surface 210 of the connecting block 120.
Specifically, in the present embodiment, the fixing jig 100 is configured to be mounted on a workbench (not shown), so as to perform height detection on the workpiece 200 fixed on the fixing jig 100 by using a detection device on the workbench. The cross-sectional dimension of the through groove 112 of the frame 110 is larger than the dimension of the workpiece 200, so that the detection equipment on the workbench can cover all areas of the workpiece 200 through the through groove 112, thereby improving the height detection efficiency of the workpiece 200.
The top of the frame 110 may further have a clearance groove 114. Through the arrangement of the avoiding groove 114, a certain avoiding effect can be achieved on the height detection of the workpiece 200, and the interference between the detection equipment on the workbench and the frame body 110 is avoided.
The connection block 120 is plural. The plurality of connecting blocks 120 are symmetrically disposed on two opposite inner sidewalls of the through groove 112. Through the symmetrical arrangement of the plurality of connecting blocks 120, the fixing stability of the fixing jig 100 to the workpiece 200 can be improved, so that the height detection precision of the workpiece 200 can be improved. Specifically, in the present embodiment, the standard surface 122 is disposed at the bottom end of the connection block 120.
In addition, the connection block 120 is integrally formed with the frame body 110. By integrally forming the connecting block 120 and the frame 110, the overall processing difficulty of the fixing jig 100 can be reduced, and the processing efficiency of the fixing jig 100 can be improved.
The plurality of supporting mechanisms 130 are symmetrically disposed on both sides of the frame body 110. Through the symmetrical arrangement of the plurality of supporting mechanisms 130, the frame body 110 can be placed on the workbench more stably, so that the height detection precision of the workpiece 200 can be improved. The support mechanism 130 includes a base 131 and a connecting rod 132. The base 131 is used to connect with a workbench. The base 131 is a cylindrical structure. The connecting rod 132 is disposed on the base 131 and fixedly connected to the frame 110. The auxiliary member 140 is rotatably provided on the connecting rod 132.
Specifically, in the embodiment, the connecting rod 132 is connected to the frame 110 by a bolt, and the connecting rod 132 and the frame 110 are easily assembled and disassembled, so that the installation efficiency of the fixing jig 100 can be improved, and the cost can be reduced.
Specifically, the connecting rod 132 is provided with a limiting groove 133. The stopper groove 133 extends circumferentially along the connecting rod 132. The auxiliary member 140 is engaged with the limiting groove 133. By the arrangement of the limit groove 133, the axial movement of the auxiliary 140 relative to the connecting rod 132 can be limited, so that the auxiliary 140 can stably rotate relative to the connecting rod 132.
It is understood that, in the present embodiment, the fixing fixture 100 may further include a limiting rod 134. The stopper rod 134 serves to restrict the movement of the auxiliary 140 with respect to the connecting rod 132. The limiting rod 134 is disposed on the auxiliary member 140 and abuts against the connecting rod 132. Specifically, through the arrangement of the connecting rod 132, the movement of the auxiliary member 140 relative to the axial direction perpendicular to the connecting rod 132 can be limited, so that the rotational stability of the auxiliary member 140 relative to the connecting rod 132 can be further improved.
The connecting rod 132 may also be provided with a first clamping surface 135. The first clamping surface 135 is used to secure the connecting rod 132. The first clamping surface 135 is planar. The number of the first clamping surfaces 135 is two. The two first clamping surfaces 135 are symmetrically distributed on both sides of the connecting rod 132. Because the surface of connecting rod 132 is the cambered surface, it is relatively difficult to lead to outside fixing device to the fixed relatively of connecting rod 132 centre gripping, through the setting of first clamping face 135 to the fixing device of outside of being convenient for is fixed the connecting rod 132 centre gripping, improves the fixed effect of connecting rod 132, is convenient for to the bolted connection between connecting rod 132 and the framework 110.
The holding mechanism 150 includes a pull rod 151, a pressing head 152, and a spring 153. The pull rod 151 is disposed at an end of the auxiliary member 140 away from the supporting mechanism 130. The auxiliary member 140 may further have a first connecting hole (not shown). The pull rod 151 is disposed through the first connection hole of the auxiliary 140 and is movable relative to the auxiliary 140. The pressing head 152 is disposed at one end of the pulling rod 151. The ram 152 is configured to abut a non-reference surface 220 of the workpiece 200. The distance interval between the pressing head 152 and the workpiece 200 can be adjusted by the stretching action of the pull rod 151, so as to facilitate the assembly of the workpiece 200 and the fixing jig 100.
In particular, in one embodiment, the ram 152 is made of a super glue material. The pressure head 152 made of the acrylic rubber has good elasticity, and can prevent the pressure head 152 from shaking relative to the auxiliary part 140 when the height of the workpiece 200 is detected, so that the workpiece 200 is scratched, and the workpiece 200 is protected to a certain extent.
The spring 153 is sleeved on the pull rod 151 and elastically abuts between the pressing head 152 and the pull rod 151. Specifically, when the abutting mechanism 150 is driven by the auxiliary element 140 to move to a position below the workpiece 200, the spring 153 is in a compressed state, and the pressing head 152 moves towards a direction close to the workpiece 200 under the elastic force of the spring 153, so that the pressing head 152 can abut against and press the non-alignment surface 220 of the workpiece 200, and the reference surface 210 of the workpiece 200 is fixed on the standard surface 122 of the connecting block 120.
Furthermore, in other embodiments, the abutting effect of the ram 152 against the non-reference surface 220 of the workpiece 200 may be further optimized by increasing the number of turns of the spring 153, thereby increasing the resilient properties of the spring 153.
It should be noted that, in the present embodiment, the tie rod 151 includes a small diameter portion 151a and a large diameter portion 151b fixedly connected to the small diameter portion 151 a. The small diameter portion 151a is inserted through the first connection hole of the auxiliary 140. The end of the small diameter portion 151a away from the large diameter portion 151b is fixedly connected to the pressing head 152. The spring 153 is fitted over the small diameter portion 151 a. The large diameter portion 151b is fixedly coupled to an end of the small diameter portion 151a away from the auxiliary 140. The diameter of the large diameter portion 151b is larger than that of the small diameter portion 151 a. The diameter of the large diameter portion 151b is larger than that of the first connection hole of the auxiliary 140. The large diameter portion 151b can abut against an outer sidewall of the auxiliary 140 to restrict movement of the tie rod 151 relative to the auxiliary 140. By the arrangement of the large diameter portion 151b, the pull rod 151 can be prevented from falling off the auxiliary 140 through the first coupling hole of the auxiliary 140.
The specific operation steps of the fixing jig 100 are as follows: the workpiece 200 is put in from the bottom end of the frame 110, and the reference surface 210 of the workpiece 200 is attached to the standard surface 122 of the connection block 120. The pull rod 151 of the abutting mechanism 150 is pulled downwards, the auxiliary member 140 is rotated, the auxiliary member 140 drives the abutting mechanism 150 to rotate towards the direction close to the workpiece 200 relative to the connecting rod 132 of the supporting mechanism 130, when the pressing head 152 of the abutting mechanism 150 rotates to the position below the workpiece 200, the pull rod 151 is stopped being continuously pulled, the pressing head 152 connected to one end of the pull rod 151 moves towards the direction close to the workpiece 200 under the elastic force of the spring 153, the pressing head 152 abuts against and presses the non-reference surface 220 of the workpiece 200, and therefore the reference surface 210 of the workpiece 200 is fixed on the standard surface 122 of the connecting block 120.
In the fixing fixture 100, the reference surface 210 of the workpiece 200 is attached to the standard surface 122 of the connecting block 120, and the auxiliary member 140 drives the abutting mechanism 150 to rotate towards the direction close to the workpiece 200 relative to the supporting mechanism 130, so that the abutting mechanism 150 can elastically abut against the non-reference surface 220 of the workpiece 200, and the reference surface 210 of the workpiece 200 is fixed on the standard surface 122 of the connecting block 120. When the fixing jig 100 is placed on the workbench to detect the height of the workpiece 200, the detection equipment on the workbench can detect the height of the workpiece 200 through the reference surface 210 of the workpiece 200, and the interference of the non-reference surface 220 of the workpiece 200 with the direct contact of the workbench to the height detection of the workpiece 200 is avoided, so that the height detection precision of the workpiece 200 can be greatly improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A fixed tool for the fixed of work piece to carry out height detection to the work piece, its characterized in that includes:
the device comprises a frame body, wherein connecting blocks with standard surfaces are arranged on two opposite inner side walls of the frame body, and the standard surfaces are used for being attached to the reference surface of the workpiece;
the supporting mechanisms are arranged on two sides of the frame body and used for being supported on a workbench so that a workpiece is erected and a non-working surface of the workpiece is not in direct contact with the workbench; the supporting mechanism comprises a connecting rod, and a limit groove extending along the circumferential direction of the connecting rod is formed in the connecting rod;
the auxiliary piece is rotatably arranged on the supporting mechanism and clamped in the limiting groove so as to limit the axial movement of the auxiliary piece relative to the connecting rod; and
the abutting mechanism is arranged at one end of the auxiliary piece, which is far away from the supporting mechanism, and is used for elastically abutting against the non-reference surface of the workpiece;
the datum plane of the workpiece is placed in a manner of being attached to the standard plane, and the auxiliary piece drives the abutting mechanism to rotate towards the direction close to the workpiece relative to the supporting mechanism, so that the abutting mechanism can elastically abut against the non-datum plane of the workpiece, and the datum plane of the workpiece is fixed on the standard plane.
2. The fixture according to claim 1, wherein the fixture is configured to be mounted on a workbench, the supporting mechanism includes a base, the base is configured to be connected to the workbench, the connecting rod is disposed on the base and is fixedly connected to the frame, and the auxiliary member is rotatably disposed on the connecting rod.
3. The fixing jig according to claim 2, further comprising a limiting rod for limiting the auxiliary member to move relative to the connecting rod, wherein the limiting rod is disposed on the auxiliary member and abuts against the connecting rod.
4. The fixing jig according to claim 2, wherein the connecting rod is further provided with a first clamping surface for fixing the connecting rod, and the first clamping surface is a plane.
5. The fixture according to claim 1, wherein the holding mechanism comprises:
the pull rod is arranged at one end of the auxiliary piece, which is far away from the supporting mechanism;
the pressure head is arranged at one end of the pull rod and is used for abutting against a non-reference surface of the workpiece; and
the spring is sleeved on the pull rod and elastically abuts between the pressure head and the pull rod.
6. The fixture according to claim 5, wherein the auxiliary member has a first hole, and the pull rod is disposed through the first hole and movable relative to the auxiliary member.
7. The fixture according to claim 6, wherein the tie bar includes a small diameter portion and a large diameter portion fixedly connected to the small diameter portion, and the large diameter portion has a diameter larger than that of the first connection hole to limit movement of the tie bar relative to the auxiliary member.
8. The fixture according to claim 2, wherein the top end of the frame has a clearance groove.
9. The fixture according to claim 1, wherein the connection blocks are symmetrically disposed on two opposite inner sidewalls of the through groove of the frame.
10. The fixture according to claim 1, wherein the connecting block is integrally formed with the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548421.1A CN107270851B (en) | 2017-07-06 | 2017-07-06 | Fixing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548421.1A CN107270851B (en) | 2017-07-06 | 2017-07-06 | Fixing jig |
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| Publication Number | Publication Date |
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| CN107270851A CN107270851A (en) | 2017-10-20 |
| CN107270851B true CN107270851B (en) | 2020-02-11 |
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| CN201710548421.1A Active CN107270851B (en) | 2017-07-06 | 2017-07-06 | Fixing jig |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908746A (en) * | 2018-07-17 | 2018-11-30 | 安徽锐利玻璃机械有限公司 | A kind of method of the quick cut hole of glass |
| CN108908747A (en) * | 2018-07-17 | 2018-11-30 | 安徽锐利玻璃机械有限公司 | A kind of plate glass hole cutting machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039532A (en) * | 2010-11-10 | 2011-05-04 | 深圳山源电器股份有限公司 | Positioning method for machining workpiece and automatic clamp thereof |
| CN105643310A (en) * | 2014-12-07 | 2016-06-08 | 西安志越机电科技有限公司 | Quick positioning fixture for rectangular workpiece |
| CN106289018A (en) * | 2016-09-21 | 2017-01-04 | 合肥皓东精密工业有限公司 | A kind of novel metal section bar location smoothing cubing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829151A (en) * | 1996-12-20 | 1998-11-03 | The Boeing Company | Multi-axis part positioning system |
| CN101441069B (en) * | 2007-11-19 | 2012-05-30 | 施耐德电器工业公司 | General purpose type measuring apparatus and positioning mechanism thereof |
| CN203579251U (en) * | 2013-08-31 | 2014-05-07 | 西安志越机电科技有限公司 | Quick clamping device for shaft work-pieces |
| US9954255B2 (en) * | 2015-10-16 | 2018-04-24 | Chroma Ate Inc. | Measurement fixture for a battery cell |
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2017
- 2017-07-06 CN CN201710548421.1A patent/CN107270851B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039532A (en) * | 2010-11-10 | 2011-05-04 | 深圳山源电器股份有限公司 | Positioning method for machining workpiece and automatic clamp thereof |
| CN105643310A (en) * | 2014-12-07 | 2016-06-08 | 西安志越机电科技有限公司 | Quick positioning fixture for rectangular workpiece |
| CN106289018A (en) * | 2016-09-21 | 2017-01-04 | 合肥皓东精密工业有限公司 | A kind of novel metal section bar location smoothing cubing |
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| CN107270851A (en) | 2017-10-20 |
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Effective date of registration: 20220531 Address after: 213300 No. 8, Tonggang Avenue, Shangxing Town, Liyang City, Changzhou City, Jiangsu Province Patentee after: Changzhou Jinpin Precision Technology Co.,Ltd. Patentee after: Guangdong Chang Ying Precision Technology Co., Ltd. Address before: 523808 No.6, West Third Industrial Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: GUANGDONG EVERWIN PRECISION TECHNOLOGY Co.,Ltd. |