A kind of polycrystalline diamond compact automatic image gauge measuring clamp

Abstract

The utility model discloses a kind of polycrystalline diamond compact automatic image instrument measuring clamps, groove for placing PDC product is set on clamp base, V-shaped support strip is set in each column groove, positioning clamping strip is installed on the upper surface of clamp base, positioning clamping strip and clamp base are slidably connected, locking bolt for fixing positioning clamping strip on clamp base is set on positioning clamping strip, positioning projection for realizing positioning with PDC product end surface abutting is set on the inner surface of both ends of clamp base, the both sides of positioning clamping strip are also set positioning projection, the positioning projection of clamp base end and the positioning projection of the both sides of positioning clamping strip are collinear. Clamp base and positioning clamping strip are designed in split, and can be quickly combined and disassembled. Measuring different products only need to replace corresponding positioning clamping strip, without making multiple complete measuring clamps, greatly improve the versatility of clamp, reduce measuring clamp manufacturing cost.

Description

Technical Field

[0001] This utility model belongs to the field of polycrystalline diamond, and specifically relates to a measuring fixture for an automatic image instrument of polycrystalline diamond composite sheet. Background Technology

[0002] Polycrystalline diamond composite (PDC) sheets are a high-performance material widely used in oil drilling, geological exploration, and machining. During manufacturing and quality control, their diameter and height, chamfer size and angle are precisely measured using automated imaging equipment to ensure their geometric parameters meet design requirements, thereby improving their performance and reliability in practical applications.

[0003] Chinese Patent Application No. 201720776414.2 discloses a fixture for measuring the cobalt removal depth of PDC products. The fixture has a longitudinally extending groove on its chassis for placing the PDC product. A laterally extending positioning bar is installed on the upper plate of the chassis. The positioning bar and the groove form a placement slot for the PDC product. A protrusion on one side of the positioning bar is provided for abutting against the diamond end face of the PDC product to achieve positioning. A through-hole for measuring the transmission of X-rays is opened in the placement slot. In use, the PDC product is placed longitudinally in the placement slot, i.e., the axis of the PDC product is in the same direction as the extension of the groove, and the diamond end face of the PDC product abuts against the protrusion on the positioning bar. The PDC product is then positioned, and the X-ray measuring instrument transmits the measurement through the through-hole. The positioning bar of the fixture is threadedly connected to the chassis, but the relative position of the positioning bar and the chassis is fixed, thus the size of the PDC product placement slot is fixed. When the placement slot size is large and the product size is small / low, only the diamond end face of the product is positioned, and the other end lacks a support point. During the operation of the automatic image instrument, the product will swing due to inertia, resulting in deviation in the measurement results. This reflects that the slot design of the fixture lacks adaptability to products of different sizes. Summary of the Invention

[0004] To address the problems of unstable center of gravity, measurement deviation, high cost, and cumbersome replacement of existing measuring fixtures, this utility model provides a high-performance, cost-effective measuring fixture for polycrystalline diamond composite sheet automatic image analyzers that combines measurement reliability and versatility.

[0005] The purpose of this utility model is achieved in the following manner: a measuring fixture for an automatic imaging instrument using polycrystalline diamond composite sheets, comprising a fixture base, multiple rows of longitudinally extending grooves for placing PDC products on the fixture base, a longitudinally extending V-shaped support strip in each row of grooves, a laterally extending positioning strip mounted on the upper surface of the fixture base, the positioning strip being slidably connected to the fixture base, a locking bolt for fixing the positioning strip to the fixture base, positioning protrusions abutting against the end face of the PDC product on the inner surfaces of both ends of the fixture base for positioning, positioning protrusions also being provided on both sides of the positioning strip, the positioning protrusion at the end of the fixture base being collinear with the positioning protrusions on both sides of the positioning strip.

[0006] The upper surface of the fixture base is provided with two mounting slots parallel to the groove, and the lower surface of the positioning strip is provided with a locking block that cooperates with the mounting slots. The locking block of the positioning strip slides within the mounting slots of the fixture base.

[0007] The mounting slot is a dovetail groove or an L-shaped groove.

[0008] The V-shaped support bar and the clamp base are integrated into one structure.

[0009] The clamp base is also equipped with a portable handle.

[0010] A portable handle is provided on each side of the clamp base.

[0011] Compared to existing technologies, this invention designs the fixture base and positioning strip as a separate structure, allowing for quick assembly and disassembly according to the measurement needs of different products. For example, different specifications of positioning strips can be replaced for products of different shapes and sizes. Measuring different products only requires replacing the corresponding positioning strip, eliminating the need to manufacture multiple complete measuring fixtures. This greatly improves the versatility of the fixture, reduces the need to manufacture multiple measuring fixtures due to different product specifications, and lowers the manufacturing cost of measuring fixtures.

[0012] By designing movable positioning clips, for products with unstable centers of gravity, the position of the positioning clips can be flexibly adjusted according to the shape and center of gravity of the product, providing support points on both the front and back sides of the PDC product, and preventing measurement deviations caused by inertial swaying during the operation of the automatic image measuring instrument. Attached Figure Description

[0013] Figure 1 This is a schematic diagram (top view) of the structure of this utility model.

[0014] Figure 2 This is a structural diagram of the fixture base (the positioning protrusion is not shown).

[0015] Figure 3 This is a schematic diagram (side view) of the fixture base and support clips before assembly.

[0016] Figure 4 This is a schematic diagram (side view) of the assembled fixture base and support clips. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. After reading the contents of the present invention, those skilled in the art can make various modifications or alterations to the present invention, and these equivalent forms also fall within the scope defined by the present invention.

[0018] like Figures 1-4 As shown, an automatic imaging measuring fixture for polycrystalline diamond composite sheets includes a fixture base 1. The fixture base 1 has multiple rows of longitudinally extending grooves 11 for placing PDC products. The grooves 11 are arranged at equal or non-equal intervals. Each row of grooves 11 contains a longitudinally extending V-shaped support strip 12. A laterally extending positioning strip 2 is installed on the upper surface of the fixture base 1. The positioning strip 2 is slidably connected to the fixture base 1. A locking bolt 3 is provided on the positioning strip 2 to fix it to the fixture base 1. Positioning protrusions 4 are provided on the inner surfaces of both ends of the fixture base 1 to abut against the end face of the PDC product for positioning. Positioning protrusions 4 are also provided on both sides of the positioning strip 2. The positioning protrusions at the ends of the fixture base 1 and the positioning protrusions on both sides of the positioning strip 2 are collinear.

[0019] The positioning strip 2 is slidably connected to the fixture base 1. Specifically, the upper surface of the fixture base 1 can have two mounting slots 13 parallel to the groove 11, and the lower surface of the positioning strip 2 can have a locking block that mates with the mounting slots 13. The locking block of the positioning strip 2 slides within the mounting slots 13 of the fixture base 1. Alternatively, the upper surface of the fixture base 1 can have two mounting blocks parallel to the groove 11, and the lower surface of the positioning strip 2 can have a slot that mates with the mounting blocks. Other suitable sliding connection methods can also be selected.

[0020] In a further preferred embodiment, the mounting slot 13 is a dovetail groove or an L-shaped groove. The mounting slot 13 extends through both ends of the fixture base 1, and the positioning strip 2 is inserted from the end of the mounting slot 13, slides to any position within the mounting slot 13, and is then fixed by the locking bolt 3.

[0021] The V-shaped support bar 12 and the clamp base 1 are an integral structure.

[0022] In a further preferred embodiment, a portable handle 5 is also provided on the fixture base 1. In an even more preferred embodiment, a portable handle 5 is provided on each side of the fixture base 1. The portable handles on the fixture base 1 facilitate easy handling when measuring products, making operation more convenient.

[0023] The grooves in the patent application number 201720776414.2 are inverted trapezoidal or V-shaped grooves directly carved into the chassis (see its...). Figure 3 The positioning stop bar is directly threaded onto the upper surface of the chassis, causing the support point of the fixture to be too high. This results in a high center of gravity for the product after placement, making it difficult to maintain stability and preventing image capture, thus affecting the normal operation of measurement work. This is mainly because the structural design of the fixture fails to fully consider the center of gravity distribution of products of different sizes and specifications, and the support position is unreasonable. This utility model excavates a groove 11 on the fixture base 1 and sets a V-shaped support bar 12 in the groove 11, thereby placing the center of gravity of the PDC product in a lower and more stable state, thus solving the problem of unstable center of gravity and ensuring smooth image capture.

[0024] This invention designs the fixture base 1 and the positioning strip 2 as a separate structure, allowing for quick assembly and disassembly according to the measurement needs of different products. For example, different specifications of positioning strip 2 can be replaced for products of different shapes and sizes. Measuring different products only requires replacing the corresponding positioning strip 2, eliminating the need to manufacture multiple complete measuring fixtures, greatly improving the versatility of the fixture, reducing the need to manufacture multiple measuring fixtures due to different product specifications, and lowering the manufacturing cost of measuring fixtures.

[0025] By designing a movable positioning strip 2, for products with unstable center of gravity, the position of the positioning strip 2 can be flexibly adjusted according to the shape and center of gravity of the product, providing support points on both the front and back sides of the PDC product, and preventing measurement deviations caused by inertial swaying during the operation of the automatic image instrument.

[0026] The above description is only a preferred embodiment of the present utility model. It should be noted that those skilled in the art can make several changes and improvements without departing from the overall concept of the present utility model, and these should also be considered within the protection scope of the present utility model.

Claims

1. A measuring fixture for an automatic image measuring instrument using polycrystalline diamond composite sheets, comprising a fixture base (1), wherein the fixture base (1) is provided with multiple rows of longitudinally extending grooves (11) for placing PDC products, each row of grooves (11) is provided with a longitudinally extending V-shaped support strip (12), and a laterally extending positioning strip (2) is installed on the upper surface of the fixture base (1), characterized in that: The positioning strip (2) is slidably connected to the fixture base (1). The positioning strip (2) is provided with locking bolts (3) to fix the positioning strip (2) on the fixture base (1). The inner surfaces of both ends of the fixture base (1) are provided with positioning protrusions (4) that abut against the end face of the PDC product to achieve positioning. Positioning protrusions (4) are also provided on both sides of the positioning strip (2). The positioning protrusions at the end of the fixture base (1) are collinear with the positioning protrusions on both sides of the positioning strip (2).

2. The polycrystalline diamond composite sheet automatic image measuring fixture according to claim 1, characterized in that: The upper surface of the fixture base (1) is provided with two mounting slots (13) parallel to the groove (11), and the lower surface of the positioning strip (2) is provided with a locking block that cooperates with the mounting slots (13). The locking block of the positioning strip (2) slides in the mounting slots (13) of the fixture base (1).

3. The polycrystalline diamond composite sheet automatic image measuring fixture according to claim 2, characterized in that: The mounting slot (13) is a dovetail slot or an L-shaped slot.

4. The automatic image measuring fixture for polycrystalline diamond composite sheets according to claim 1, characterized in that: The V-shaped support bar (12) and the clamp base (1) are an integral structure.

5. The automatic image measuring fixture for polycrystalline diamond composite sheets according to claim 1, characterized in that: A portable handle (5) is also provided on the clamp base (1).

6. The measuring fixture for an automatic image measuring instrument using polycrystalline diamond composite sheets according to claim 5, characterized in that: A portable handle (5) is provided on each side of the clamp base (1).

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