CN115507751A - Measuring clamp and measuring system - Google Patents
Measuring clamp and measuring system Download PDFInfo
- Publication number
- CN115507751A CN115507751A CN202110694114.0A CN202110694114A CN115507751A CN 115507751 A CN115507751 A CN 115507751A CN 202110694114 A CN202110694114 A CN 202110694114A CN 115507751 A CN115507751 A CN 115507751A
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- Prior art keywords
- fixing plate
- measuring
- insert
- plate
- product supporting
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Abstract
The invention provides a measuring clamp which comprises a product supporting plate and a plurality of supporting legs fixed at the corners of the product supporting plate; the product supporting plate is provided with a plurality of mounting cavities, and one side of the product supporting plate, which is close to the supporting legs, is sequentially provided with an insert fixing plate and a contact pin fixing plate. And the insert fixing plate and the position corresponding to the mounting cavity are respectively provided with a measuring insert assembly, and the measuring insert assembly comprises two measuring inserts arranged in the mounting cavity. And the positions of the pin fixing plate corresponding to the measuring insert assembly are respectively provided with a pin. The product supporting plate is connected with a driving device, and the driving device is used for driving the contact pin fixing plate and driving the contact pin to move along the vertical direction of the product supporting plate. A measuring system is also provided, which comprises the measuring clamp. The measuring clamp provided by the invention can automatically clamp all buckles, and the measuring system of the measuring clamp is high in measuring precision and speed, so that manual operation is reduced, and the production cost is saved.
Description
Technical Field
The invention relates to the technical field of clamping jigs and measuring equipment, in particular to a measuring clamp and a measuring system.
Background
At present, the punching press is bent keyboard metal backplate and is adopted artifical and the measuring method that the tool combined together more, measure through the manual measuring method of plug gauge or special gauge block or slide caliper rule by operating personnel usually, because single key position area is less and buckle quantity is more, shape and position are irregular, the tolerance is little, there are reasons such as pothook interference on the buckle top, and, operating personnel measures the level variation, often can lead to the error great, measure the precision low, and measure the process very loaded down with trivial details, measuring time is long, work efficiency is low.
Disclosure of Invention
Based on the measuring clamp and the measuring system, the measuring clamp can automatically clamp all buckles, the measuring system is high in measuring accuracy and speed, manual operation is reduced, and production cost is saved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a measuring clamp comprises a product supporting plate and a plurality of supporting legs fixed at the corners of the product supporting plate; the product supporting plate is provided with a plurality of mounting cavities, and one side of the product supporting plate close to the supporting legs is sequentially provided with an insert fixing plate and a contact pin fixing plate at intervals; the insert fixing plate is fixedly connected with the product supporting plate, and the contact pin fixing plate is respectively connected with the product supporting plate and the insert fixing plate in a sliding manner;
the positions of the insert fixing plate, which correspond to the installation cavity, are respectively provided with a measuring insert assembly, the measuring insert assembly comprises two measuring inserts, measuring pins are respectively arranged on the two measuring inserts, and the two measuring inserts are arranged in the corresponding installation cavities;
the positions of the contact pin fixing plate corresponding to the measuring insert assembly are respectively provided with a contact pin, and one end of the contact pin, which is close to the supporting leg, is fixedly connected with the contact pin fixing plate;
one side, close to the supporting legs, of the product supporting plate is fixedly connected with a driving device, the driving end of the driving device is fixedly connected with the pin fixing plate, and the driving device can drive the pin fixing plate to reciprocate along the vertical direction of the product supporting plate; when the contact pin fixing plate moves towards the direction close to the insert fixing plate, the contact pins are driven to move together, and the contact pins can be inserted between the two measuring inserts to enable the two measuring inserts to move towards the direction away from each other; when the pin fixing plate moves towards the direction far away from the insert fixing plate, the pins are driven to move together, the pins are withdrawn from the space between the two measuring inserts, and the two inserts move towards the direction close to each other.
The further improvement of the technical scheme is as follows:
the driving device comprises two groups of cylinder devices and pneumatic valves respectively connected with the two groups of cylinder devices through pipelines, and the two groups of cylinder devices are respectively arranged near two ends of the product supporting plate in the length direction; each group of cylinder devices comprises a cylinder fixedly connected with the product supporting plate and a pulling block respectively connected with the cylinder and the contact pin fixing plate.
The buffer is arranged near two ends of the pin fixing plate in the length direction, the buffer is detachably connected with the pin fixing plate, the relative position of the buffer and the pin fixing plate is adjustable, and a buffer cushion is arranged at the end part of the buffer, which is close to the product supporting plate.
One side, facing the insert fixing plate, of the contact pin fixing plate is fixedly connected with a plurality of equal-height screws, and each equal-height screw comprises a screw cap and a screw rod; a first screw hole is formed in the position, corresponding to the equal-height screw, of the insert fixing plate, a second screw hole is formed in the position, corresponding to the equal-height screw, of the product supporting plate, the second screw hole is a stepped hole and comprises a first hole far away from the insert fixing plate and a second hole close to the insert fixing plate, and the diameter of the first hole is larger than that of the second hole; the screw rod sequentially penetrates through the second screw hole and the first screw hole and then is fixedly connected with the pin fixing plate, and the screw cap is located on one side of the insert fixing plate far away from the second hole.
The insert fixing plate is provided with a plurality of product coarse positioning holes and a plurality of product fine positioning holes respectively, coarse positioning pins are arranged in the coarse positioning holes, and fine positioning pins are arranged in the fine positioning holes.
And one side of the insert fixing plate, which is close to the supporting leg, is fixedly connected with a safety cover, and the safety cover is arranged around the insert fixing plate in an enclosing manner.
The two measuring inserts are connected with the insert fixing plate through insert fixing seats, the insert fixing seats are arranged between the two measuring inserts, two insert guide pins are arranged on the insert fixing seats, and the two measuring inserts can move towards or away from each other along the two insert guide pins; and spring mounting holes are respectively formed in the end surfaces, far away from each other, of the two measuring inserts, springs are respectively arranged in the spring mounting holes, one ends of the springs are abutted against the spring mounting holes, and the other ends of the springs are abutted against the side wall of the mounting cavity.
The glass cover plate is arranged on one side, away from the supporting legs, of the product supporting plate, a cover plate positioning hole is formed in the product supporting plate, a cover plate positioning pin is arranged in the cover plate positioning hole, and a cover plate hole is formed in the position, corresponding to the cover plate positioning pin, of the glass cover plate.
The insert fixing plate is characterized in that a plurality of guide sleeve mounting holes are formed in the contact pin fixing plate, guide sleeves are fixedly arranged in the guide sleeve mounting holes, guide pillars are fixedly arranged at positions of the insert fixing plate corresponding to the guide sleeves, and the guide pillars penetrate through the guide sleeves.
The invention also provides a measuring system which comprises the measuring clamp and image measuring equipment, wherein a workbench is arranged on the image measuring equipment, and the workbench is used for placing the measuring clamp.
According to the technical scheme, the product supporting plate of the measuring clamp is provided with a plurality of mounting cavities, each mounting cavity corresponds to a key position of a keyboard, and the driving device drives the contact pins on the contact pin fixing plates to move up and down, so that the measuring insert moves towards the directions close to or away from each other, the to-be-measured buckles are clamped or loosened, and all the buckles of the to-be-measured workpiece 200 can be clamped at one time. The measuring system measures the measuring points on the measuring feet of the clamped workpiece through the image measuring equipment, so that the size of the workpiece 200 to be measured is measured, the measuring speed is high, the precision is high, and the production efficiency is effectively improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a measuring jig according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a structure of a workpiece to be tested according to an embodiment of the invention.
Fig. 3 is an exploded view of a measuring jig according to an embodiment of the present invention.
Fig. 4 is a schematic view of an assembly structure of an insert mounting plate and a pin mounting plate according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a structure of an insert assembly and a pin according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of an insert-fixing plate according to an embodiment of the present invention.
Fig. 7 is a schematic view of the pin mounting plate and the pin according to the embodiment of the invention.
The meaning of the reference symbols in the drawings is:
100-a measuring jig; 200-a workpiece to be detected; 101-a glass cover plate; 102-a safety shield; 103-supporting feet; 104-a drive device; 105-a product support plate; 106-insert securing plate; 107-pin fixing plate; 1011-cover plate hole; 1012-pin holes; 1041 — pneumatic valve; 1042-a pipeline; 1043-pulling block; 1044-cylinders; 1051-cover plate positioning holes; 1052-a mounting cavity; 1053-fine positioning holes; 1054-coarse positioning holes; 1061-cover plate locating pins; 1062-coarse positioning pins; 1063-fine positioning pin; 1064-measuring the insert assembly; 1065-a first light-transmitting hole; 1071-equal height screw; 1072-guide bush; 1073-guide pillars; 1074-inserting needle; 1075-second light hole; 10641-insert holder; 10642-measuring the insert; 10643-column; 10644-gauge block; 10645-insert guide pin; 10646-spring; 10741-needle bar; 10742-bottom block; 201-snap fastener.
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.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, 3 to 6, which are schematic structural views of a measuring clamp 100 according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a workpiece 200 to be measured according to an embodiment of the invention.
Embodiment 1, as shown in the figure, the measurement fixture 100 of this embodiment includes a product supporting plate 105 and four supporting legs 103 fixed at corners of the product supporting plate 105, the supporting legs 103 are used for supporting the measurement fixture 100, and the product supporting plate 105 is used for placing the workpiece 200 to be measured. The product supporting plate 105 is provided with a plurality of mounting cavities 1052 which penetrate through the product supporting plate 105, and the number and the positions of the mounting cavities 1052 are both corresponding to the fasteners 201 of the workpiece 200 to be tested. An insert fixing plate 106 and a pin fixing plate 107 are sequentially arranged on one side, close to the supporting leg 103, of the product supporting plate 105 at intervals; the insert fixing plate 106 is fixedly connected to the product support plate 105 by a bolt, and the pin fixing plate 107 is slidably connected to the product support plate 105 and the insert fixing plate 106, respectively.
As shown in fig. 3 to 6, insert-measuring assemblies 1064 are respectively disposed at positions of the insert-fixing plate 106 corresponding to the mounting cavity 1052, where the insert-measuring assemblies 1064 include two insert-measuring assemblies 10642, and two insert-measuring assemblies 10642 are respectively provided with a measuring foot, and the measuring feet respectively include a pillar 10643 fixedly connected to the insert-measuring assembly 10642 and a measuring block 10644 perpendicularly disposed to the pillar 10643, and the measuring blocks 10644 of the two measuring feet are disposed opposite to each other in the same direction as the moving direction of the insert-measuring assembly 10642. Two measuring inserts 10642 are installed in the corresponding installation cavities 1052. An insert fixing seat 10641 is further arranged between the two measuring inserts 10642, the insert fixing seat 10641 is fixedly connected with the insert fixing plate 106, two insert guide pins 10645 are arranged on the insert fixing seat 10641 in parallel, and the two measuring inserts 10642 are inserted on the insert guide pins 10645 and can move in the direction of approaching to or separating from each other along the two insert guide pins 10645. Spring mounting holes are respectively formed in the end faces, far away from each other, of the two measuring inserts 10642, the spring mounting holes are blind holes, springs 10646 are respectively arranged in the spring mounting holes, the springs 10646 are always in a compressed state, one ends of the springs 10646 abut against the spring mounting holes, and the other ends of the springs 10646 abut against the side wall of the mounting cavity 1052. A first light hole 1065 is formed through the insert fixing plate 106 on each side of the measuring insert assembly 1064 in the moving direction.
As shown in fig. 3, two product rough positioning holes 1054 are formed in the insert fixing plate 106 along the length direction of the insert fixing plate 106, one product rough positioning hole 1054 is formed in the insert fixing plate 106 along the width direction, and three product rough positioning holes 1054 are counted, a rough positioning pin 1062 is disposed in each rough positioning hole 1054, the rough positioning pin 1062 protrudes from the insert fixing plate 106 and the product support plate 105, and the three product rough positioning holes 1054 correspond to the outer edge of the workpiece 200 to be measured, and when the workpiece 200 to be measured is placed on the product support plate 105, the three rough positioning pins 1062 are located on the outer side of the edge of the workpiece to perform rough positioning on the workpiece. In this embodiment, three product fine positioning holes 1053 are further disposed on the insert fixing plate 106, a fine positioning pin 1063 is disposed in the fine positioning hole 1053, the fine positioning pin 1063 protrudes from the insert fixing plate 106 and the product support plate 105, product positioning holes are disposed at positions of the workpiece 200 to be measured corresponding to the fine positioning pin 1063, and when the workpiece 200 to be measured is placed on the product support plate 105, the product positioning holes are sleeved in the fine positioning pin 1063 to accurately position the workpiece 200 to be measured. A coarse positioning hole 1054 is also formed at a position of the product supporting plate 105 corresponding to the coarse positioning pin 1062, and a fine positioning hole 1053 is formed at a position of the product supporting plate 105 corresponding to the fine positioning pin 1063.
As shown in fig. 5 and 7, the pin fixing plate 107 is provided with pins 1074 at positions corresponding to the insert measuring assembly 1064, the pins 1074 are L-shaped, and include a bottom block 10742 and a pin 10741 perpendicular to the bottom block 10742, and a thickness of one end of the pin 10741 away from the bottom block 10742 is gradually reduced to form a pointed shape. A pin mounting hole is formed in the pin fixing plate 107, the needle bar 10741 of the pin is inserted from the pin fixing plate 107 at the pin mounting hole near one side of the supporting leg 103, and the bottom block 10742 is abutted to one surface of the pin fixing plate 107 near the supporting leg 103 and is fixedly connected with the pin fixing plate 107 through a bolt. Two sides of the contact pin 1074 along the moving direction of the measuring insert 10642 are respectively provided with a second light hole 1075.
As shown in fig. 3 and 4, a plurality of contour screws 1071 are fixedly connected to one side of the pin fixing plate 107 facing the insert fixing plate 106, in this embodiment, 5 contour screws 1071 are respectively disposed at positions corresponding to each long side of the insert fixing plate 106, and 2 contour screws 1071 are respectively disposed at positions corresponding to each short side of the insert fixing plate 106. The contour screw 1071 comprises a nut and a screw rod; a first screw hole is formed in the position, corresponding to the equal-height screw 1071, of the insert fixing plate 106, a second screw hole is formed in the position, corresponding to the equal-height screw 1071, of the product supporting plate 105, the second screw hole is a stepped hole and comprises a first hole far away from the insert fixing plate 106 and a second hole close to the insert fixing plate 106, and the diameter of the first hole is larger than that of the second hole; the screw rod sequentially penetrates through the second screw hole and the first screw hole and then is fixedly connected with the inserting pin fixing plate 107, and the screw cap is located on one side, away from the insert fixing plate 106, of the second hole. The contour screw 1071 can safely limit the pin fixing plate 107, and the movement distance of the pin fixing plate 107 in the direction away from the insert fixing plate 106 is limited by the stroke of the cylinder 1044 and the contour screw 1071.
As shown in fig. 1 and fig. 3, a driving device 104 is fixedly connected to a side of the product supporting plate 105 close to the supporting foot 103, the driving device 104 includes two sets of cylinder devices and a pneumatic valve 1041 respectively connected to the two sets of cylinder devices through a pipeline 1042, in this embodiment, the pneumatic valve 1041 is a manual valve, is disposed between the two sets of cylinder devices, and is fixedly connected to the product supporting plate 105. The two groups of cylinder devices are respectively arranged near two ends of the product supporting plate 105 in the length direction; each set of cylinder devices comprises a cylinder 1044 fixedly connected with the product supporting plate 105 and a pulling block 1043 respectively connected with the cylinder 1044 and the pin fixing plate 107. The cylinder 1044 comprises a cylinder body and a cylinder piston rod, the cylinder piston rod is fixedly connected with the pulling block 1043, and the cylinder piston rod drives the pin fixing plate 107 to reciprocate along the vertical direction of the product supporting plate 105 through the pulling block 1043; when the pin fixing plate 107 moves towards the insert fixing plate 106, the pins 1074 are driven to move together, the pins 1074 can be inserted between the two measuring inserts 10642, and the two measuring inserts 10642 are forced to move away from each other along the insert guide pins 10645. When the pin fixing plate 107 moves away from the insert fixing plate 106, the pins 1074 are driven to move together, the pins 1074 are withdrawn from the space between the two measuring inserts 10642, and the two inserts move in the direction of approaching each other along the insert guide pins 10645 under the restoring force of the spring 10646 until the measuring inserts 10642 contact with the insert fixing seats 10641 and stop moving.
As shown in fig. 4, in this embodiment, four corners of the pin fixing plate 107 are respectively provided with a guide sleeve mounting hole, and a total of 4 guide sleeve mounting holes are formed, a guide sleeve 1072 is fixedly disposed in the guide sleeve mounting hole, a guide post 1073 is fixedly disposed at a position of the insert fixing plate 106 corresponding to the guide sleeve 1072, the guide post 1073 is inserted into the guide sleeve 1072, and the guide post 1073 is fixedly connected to the insert fixing plate 106 and can move toward or away from the insert fixing plate 106 along the guide sleeve 1072.
As shown in fig. 3, the measurement fixture 100 of this embodiment further includes a glass cover plate 101, the glass cover plate 101 is disposed on a side of the product supporting plate 105 away from the supporting legs 103, in order to facilitate taking, an outer edge of the glass cover plate 101 protrudes out of the product supporting plate 105, two cover plate positioning holes 1051 are respectively disposed near two ends of the product supporting plate 105 along the length direction, a cover plate positioning pin 1061 is disposed in each cover plate positioning hole 1051, and a cover plate hole 1011 is disposed at a position of the glass cover plate 101 corresponding to the cover plate positioning pin 1061. The glass cover plate 101 is provided with pin holes 1012 at positions corresponding to the coarse positioning pin 1062 and the fine positioning pin 1063, respectively.
As shown in fig. 1 and 3, in this embodiment, a safety cover 102 may be fixedly connected to a side of the insert fixing plate 106 close to the support foot 103, and the safety cover 102 may be disposed around the insert fixing plate 106.
In this embodiment, a buffer (not shown) may be disposed near each of two ends of the pin fixing plate 107 in the longitudinal direction, the buffer is detachably connected to the pin fixing plate 107, the relative position of the buffer and the pin fixing plate 107 is adjustable, and a buffer pad is disposed at an end of the buffer near the product supporting plate 105. The buffer and the stroke of the cylinder 1044 limit the moving distance of the insert fixing plate 107 towards the direction of the insert fixing plate 106, and a cushion pad is arranged on the buffer to avoid strong collision with the insert fixing plate 106.
The working principle of the measuring jig 100 of the present embodiment is as follows: first, the pneumatic valve 1041 is turned off, the piston rods of the two cylinders are retracted, the pulling block 1043 drives the pin fixing plate 107 to move towards the direction of the insert fixing plate 106, when the limit is reached, the pin fixing plate 107 stops moving, and each pin 1074 is inserted between two corresponding measuring inserts 10642. The measuring pins move in the direction away from each other along with the measuring insert 10642 so as to place the workpiece 200 to be measured. Then, the workpiece 200 to be measured is placed on the product supporting plate 105, the glass cover plate 101 is covered, and the glass cover plate 101 enables the workpiece to be smoothly laid on the product supporting plate 105, so that the reduction of measurement errors is facilitated. And starting the pneumatic valve 1041, extending piston rods of the two cylinders, driving the pin fixing plate 107 to move towards the direction of the supporting leg 103 by the pull block 1043, stopping the pin fixing plate 107 when the limit is reached, enabling all the pins 1074 to be separated from the measuring inserts 10642, enabling each group of two corresponding measuring inserts 10642 to move towards the direction of mutual approaching due to the restoring force action of the spring 10646, stopping the movement of the measuring inserts 10642 until each group of measuring pins are in contact with the point to be measured of the workpiece 200 to be measured, and finishing workpiece clamping.
The embodiment further provides a measuring system, which includes the measuring fixture 100 and further includes an image measuring device, wherein a workbench is arranged on the image measuring device, and the workbench is used for placing the measuring fixture 100. The image measuring equipment further comprises a Z axis, a microscope, a CCD, a light source, an electric control system and the like.
After the workpiece to be measured is clamped by the measuring clamp 100, the measuring clamp 100 is integrally placed on the workbench, the image measuring device is started, and the image measuring device collects and measures the collecting point position of the measuring foot of the measuring clamp 100, so that the distance size between the positions of the buckles 201 of the workpiece to be measured is measured.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express the preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the invention patent scope. 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 measuring clamp comprises a product supporting plate and a plurality of supporting legs fixed at the corners of the product supporting plate; the method is characterized in that: the product supporting plate is provided with a plurality of mounting cavities, and one side of the product supporting plate close to the supporting legs is sequentially provided with an insert fixing plate and a contact pin fixing plate at intervals; the insert fixing plate is fixedly connected with the product supporting plate, and the contact pin fixing plate is respectively connected with the product supporting plate and the insert fixing plate in a sliding manner;
the positions of the insert fixing plate, which correspond to the installation cavity, are respectively provided with a measuring insert assembly, the measuring insert assembly comprises two measuring inserts, measuring pins are respectively arranged on the two measuring inserts, and the two measuring inserts are arranged in the corresponding installation cavities;
the positions of the contact pin fixing plate corresponding to the measuring insert assembly are respectively provided with a contact pin, and one end of the contact pin, which is close to the supporting leg, is fixedly connected with the contact pin fixing plate;
one side, close to the supporting legs, of the product supporting plate is fixedly connected with a driving device, the driving end of the driving device is fixedly connected with the pin fixing plate, and the driving device can drive the pin fixing plate to reciprocate along the vertical direction of the product supporting plate; when the pin fixing plate moves towards the direction close to the insert fixing plate, the pins are driven to move together, and can be inserted between the two measuring inserts, so that the two measuring inserts move towards the directions away from each other; when the pin fixing plate moves away from the insert fixing plate, the pins are driven to move together, the pins exit from between the two measuring inserts, and the two inserts move towards the direction of approaching each other.
2. The measurement jig of claim 1, wherein: the driving device comprises two groups of cylinder devices and pneumatic valves respectively connected with the two groups of cylinder devices through pipelines, and the two groups of cylinder devices are respectively arranged near two ends of the product supporting plate in the length direction; each group of cylinder devices comprises a cylinder fixedly connected with the product supporting plate and a pulling block respectively connected with the cylinder and the contact pin fixing plate.
3. The measurement jig of claim 1, wherein: the buffer is arranged near two ends of the pin fixing plate in the length direction, the buffer is detachably connected with the pin fixing plate, the relative position of the buffer and the pin fixing plate is adjustable, and a buffer cushion is arranged at the end part of the buffer, which is close to the product supporting plate.
4. The measurement jig of claim 1, wherein: one side, facing the insert fixing plate, of the contact pin fixing plate is fixedly connected with a plurality of equal-height screws, and each equal-height screw comprises a screw cap and a screw rod; a first screw hole is formed in the position, corresponding to the equal-height screw, of the insert fixing plate, a second screw hole is formed in the position, corresponding to the equal-height screw, of the product supporting plate, the second screw hole is a stepped hole and comprises a first hole far away from the insert fixing plate and a second hole close to the insert fixing plate, and the diameter of the first hole is larger than that of the second hole; the screw rod sequentially penetrates through the second screw hole and the first screw hole and then is fixedly connected with the pin fixing plate, and the screw cap is located on one side of the insert fixing plate far away from the second hole.
5. The measurement jig of claim 1, wherein: the insert fixing plate is provided with a plurality of product coarse positioning holes and a plurality of product fine positioning holes respectively, coarse positioning pins are arranged in the coarse positioning holes, and fine positioning pins are arranged in the fine positioning holes.
6. The measurement jig of claim 1, wherein: and one side of the insert fixing plate, which is close to the supporting leg, is fixedly connected with a safety cover, and the safety cover is arranged around the insert fixing plate in an enclosing manner.
7. The measurement jig of claim 1, wherein: the two measuring inserts are connected with the insert fixing plate through insert fixing seats, the insert fixing seats are arranged between the two measuring inserts, two insert guide pins are arranged on the insert fixing seats, and the two measuring inserts can move towards the direction close to or away from each other along the two insert guide pins; and spring mounting holes are respectively formed in the end surfaces, far away from each other, of the two measuring inserts, springs are respectively arranged in the spring mounting holes, one ends of the springs are abutted against the spring mounting holes, and the other ends of the springs are abutted against the side wall of the mounting cavity.
8. The measurement jig of claim 1, wherein: the glass cover plate is arranged on one side, away from the supporting legs, of the product supporting plate, a cover plate positioning hole is formed in the product supporting plate, a cover plate positioning pin is arranged in the cover plate positioning hole, and a cover plate hole is formed in the position, corresponding to the cover plate positioning pin, of the glass cover plate.
9. The measurement jig of claim 1, wherein: the insert fixing plate is characterized in that a plurality of guide sleeve mounting holes are formed in the contact pin fixing plate, guide sleeves are fixedly arranged in the guide sleeve mounting holes, guide pillars are fixedly arranged at positions of the insert fixing plate corresponding to the guide sleeves, and the guide pillars penetrate through the guide sleeves.
10. A measurement system, characterized by: the measurement fixture of any one of claims 1-9, further comprising an image measurement device, wherein a work table is disposed on the image measurement device, and the work table is used for placing the measurement fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694114.0A CN115507751A (en) | 2021-06-22 | 2021-06-22 | Measuring clamp and measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694114.0A CN115507751A (en) | 2021-06-22 | 2021-06-22 | Measuring clamp and measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115507751A true CN115507751A (en) | 2022-12-23 |
Family
ID=84500310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110694114.0A Pending CN115507751A (en) | 2021-06-22 | 2021-06-22 | Measuring clamp and measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115507751A (en) |
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2021
- 2021-06-22 CN CN202110694114.0A patent/CN115507751A/en active Pending
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