Clamping point roundness detection combined tool

Abstract

The utility model discloses a clamping point roundness detection combined tool comprising a pedestal, the top of the pedestal is provided with an inner cavity, the bottom of the inner cavity is uniformly provided with a plurality of communication holes, the plurality of communication holes are arranged in a matrix, a plurality of first pin holes are arranged among the plurality of communication holes, four corners of a detection block are provided with fourth pin holes, and the detection block is provided with a plurality of second pin holes. Second storage holes are formed in the top ends of the fourth pin holes, the multiple fourth pin holes are connected with pin rods in a sleeving mode, and the top ends of the multiple pin rods and a check block are integrally formed. According to the combined tool for detecting the roundness of the clamping point, only whether the clamping point can be connected with the detection hole of the detection block in a sleeved mode and has no obvious gap or not needs to be observed, the detection accuracy can be guaranteed by checking the detection tool periodically, and when part of size deviation occurs in the detection tool, the corresponding detection block can be replaced and used again, so that the detection efficiency is improved. The detection block is small in size, relatively simple to process and low in cost, the detection pressure is effectively reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite card point inspection, in particular to a card point roundness detection combined tooling. Background Art

[0002] Photovoltaics, or photovoltaic power generation system, is a power generation system that uses the photovoltaic effect of semiconductor materials to convert solar radiation energy into electrical energy. With the vigorous development of the photovoltaic industry, the demand for graphite boats, as an important component of photovoltaic production, is increasing day by day.

[0003] Graphite card points are an indispensable part of graphite boats, and are mainly used for positioning graphite boat sheets. The number of graphite card points in each set of graphite boats accounts for a large proportion. With the increase in demand for graphite boats, the demand for card points has increased exponentially, resulting in a surge in the number of card points to be inspected. Conventional inspection methods are inefficient, which increases the work pressure of the inspection department, while the delivery efficiency is unsatisfactory. Therefore, a kind of inspection tooling is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a combined tool for detecting the roundness of a card point, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A card point roundness detection combined tooling comprises a base, an inner cavity is processed on the top of the base, a plurality of connecting holes are evenly opened on the bottom of the inner cavity, the plurality of connecting holes are arranged in a matrix, a plurality of first pin holes are processed between the plurality of connecting holes, the plurality of first pin holes are at the same distance from adjacent connecting holes, a plurality of second pin holes are evenly processed on the side wall of the inner cavity, the plurality of second pin holes are coaxial with the plurality of first pin holes on the outer edge, a first receiving hole is opened on the top end of the plurality of second pin holes, a plurality of detection blocks are evenly arranged in the inner cavity, the plurality of detection blocks are tightly fitted and nested with the inner cavity, a detection hole is opened in the middle position of the plurality of detection blocks, the plurality of detection holes are respectively connected with the plurality of connecting holes, a fourth pin hole is processed on the four corners of the detection block, a second receiving hole is opened on the top end of the fourth pin hole, the plurality of fourth pin holes are sleeved with pin rods, and the top ends of the plurality of pin rods are integrally formed with stoppers.

[0007] Preferably, the second pin hole is a semicircle, and its size requirements and accuracy level are the same as those of the connecting hole. The fourth pin hole is a quarter circle, and its size requirements and accuracy level are also the same as those of the connecting hole. The hole formed by the second pin hole and the fourth pin hole is matched with the pin rod clearance, and the hole formed by the multiple fourth pin holes is also matched with the pin rod clearance. The matching tolerance between the pin rod and the matching hole is ±0.02mm. The first receiving hole is a semicircle, and the second receiving hole is a quarter circle. The hole formed by the first receiving hole and the second receiving hole is matched with the block clearance, and the hole formed by the multiple second receiving holes is also matched with the block clearance, and the matching tolerance between the block and the matching hole is ±0.05mm.

[0008] Preferably, the bottom wall of the inner cavity is uniformly processed with multiple convex rings, the multiple convex rings are respectively coaxial with the multiple connecting holes, the multiple convex rings are sleeved with the bottom of the multiple detection blocks through multiple annular grooves, the annular grooves are coaxial with the detection holes, the diameter of the connecting holes is larger than the bottom diameter of the detection holes, the bottom of the first pin hole is processed with a third pin hole, the third pin hole is interference fit with the outer wall of the rubber sleeve, an inner hole is opened at the axis of the rubber sleeve, and the rubber sleeve is interference fit with the outer wall of the pin rod through the inner hole.

[0009] Preferably, the detection hole is slidably sleeved with the second push rod, the bottom of the second push rod is integrally formed with the top of the first push rod, and the outer wall of the first push rod is slidably sleeved with the connecting hole.

[0010] Preferably, the base is made of aviation aluminum, and the detection block, the pin rod, the stopper, the first push rod and the second push rod are made of isostatic graphite.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the combined tooling for detecting the roundness of the card point has a fast detection speed. It only needs to observe whether the card point can be connected with the detection hole of the detection block without obvious gaps, so as to realize rapid detection, and periodically calibrate the inspection tooling to ensure the accuracy of the inspection. When the inspection tooling has partial dimensional deviations, the corresponding inspection block can be replaced and used again. The inspection block is small in size, relatively simple to process, and low in cost, which effectively reduces the inspection pressure and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 Schematic diagram of the back structure;

[0014] Figure 3 for Figure 1 Schematic diagram of the explosion structure;

[0015] Figure 4for Figure 3 Schematic diagram of the base and its surface features;

[0016] Figure 5 for Figure 4 Schematic diagram of the bottom structure;

[0017] Figure 6 for Figure 3 Schematic diagram of the detection block and its surface features;

[0018] Figure 7 for Figure 6 Schematic diagram of the bottom structure;

[0019] Figure 8 for Figure 3 Schematic diagram of the pin rod and stopper structure;

[0020] Fig. 9 for Figure 3 Schematic diagram of the rubber sleeve structure;

[0021] Fig.10 This is a schematic diagram of the structure of the first push rod and the second push rod of the utility model;

[0022] Fig.11 The first push rod and the second push rod are used in the structure diagram of the utility model.

[0023] Fig.12 Schematic diagram of the graphite card point structure to be detected.

[0024] In the figure: 1, base, 2, inner cavity, 3, connecting hole, 4, convex ring, 5, first pin hole, 6, second pin hole, 7, first receiving hole, 8, third pin hole, 9, detection block, 10, detection hole, 11, fourth pin hole, 12, second receiving hole, 13, annular groove, 14, pin rod, 15, stopper, 16, rubber sleeve, 17, inner hole, 18, first push rod, 19, second push rod DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-12The utility model provides a technical solution: a card point roundness detection combined tool, including a base 1, the top of the base 1 is processed with an inner cavity 2, the inner cavity 2 is used to place a detection block 9, the bottom of the inner cavity 2 is evenly provided with a plurality of connecting holes 3, the plurality of connecting holes 3 are arranged in a matrix, a plurality of first pin holes 5 are processed between the plurality of connecting holes 3, the connecting holes 3 are used to be sleeved with the card point to be measured, the plurality of first pin holes 5 are at the same spacing as the adjacent connecting holes 3, the side wall of the inner cavity 2 is evenly processed with a plurality of second pin holes 6, the plurality of second pin holes 6 are coaxial with the plurality of first pin holes 5 at the outer edge, the first pin hole 5 and the second pin hole 6 can both be slidably sleeved with the pin rod 14, the second pin hole 6 is a semicircle or three-quarter circle, can form a full circle with the fourth pin hole 11, and thus sleeved with the pin rod 14, the tops of the plurality of second pin holes 6 are all provided with first receiving holes 7, the first receiving holes 7 are semicircle or three-quarter circle, can form a full circle with the second receiving holes 12 The inner cavity 2 is provided with a plurality of detection blocks 9, which are used to detect card points. The plurality of detection blocks 9 are tightly fitted and nested with the inner cavity 2. The shape tolerance of the plurality of detection blocks 9 is 0 mm to -0.02 mm. The middle positions of the plurality of detection blocks 9 are provided with detection holes 10, which are respectively connected with the plurality of connecting holes 3. The detection holes 10 can be connected with the card points to be detected. The four corners of the detection block 9 are processed with fourth pin holes 11, which are quarter-circles. The four fourth pin holes 11 can be combined into a full circle and connected with the pin rod 14. The top of the fourth pin hole 11 is provided with a second receiving hole 12, which is also quarter-circles. The four second receiving holes 12 can be combined into a full circle and connected with the block 15. The plurality of fourth pin holes 11 are connected with the pin rod 14, and the tops of the plurality of pin rods 14 are integrally formed with the block 15.

[0027] The second pin hole 6 is a semicircle, and its size requirements and accuracy level are the same as those of the connecting hole 3. The fourth pin hole 11 is a quarter circle, and its size requirements and accuracy level are also the same as those of the connecting hole 3. The hole formed by the second pin hole 6 and the fourth pin hole 11 has a clearance fit with the pin rod 14, and the hole formed by multiple fourth pin holes 11 also has a clearance fit with the pin rod 14. The matching tolerance between the pin rod 14 and the matching hole is ±0.02mm. The first receiving hole 7 is a semicircle, and the second receiving hole 12 is a quarter circle. The hole formed by the first receiving hole 7 and the second receiving hole 12 has a clearance fit with the stopper 15, and the hole formed by multiple second receiving holes 12 also has a clearance fit with the stopper 15. The matching tolerance between the stopper 15 and the matching hole is ±0.05mm.

[0028] The bottom wall of the inner cavity 2 is evenly processed with multiple convex rings 4, which are coaxial with the multiple connecting holes 3 respectively. The multiple convex rings 4 are connected with the bottom of the multiple detection blocks 9 through multiple annular grooves 13. The annular grooves 13 are coaxial with the detection holes 10. The diameter of the connecting holes 3 is larger than the bottom diameter of the detection holes 10. The bottom of the first pin hole 5 is processed with a third pin hole 8. The third pin hole 8 has an interference fit with the outer wall of the rubber sleeve 16. The rubber sleeve 16 is made of polyurethane rubber. An inner hole 17 is opened at the axis of the rubber sleeve 16. The rubber sleeve 16 has an interference fit with the outer wall of the pin rod 14 through the inner hole 17.

[0029] The detection hole 10 is slidably connected with the second push rod 19, the bottom of the second push rod 19 is integrally formed with the top of the first push rod 18, the outer wall of the first push rod 18 is slidably connected with the connecting hole 3, the base 1 is made of aviation aluminum, and the detection block 9, the pin 14, the stopper 15, the first push rod 18 and the second push rod 19 are made of isostatic graphite.

[0030] The working principle of the utility model is as follows:

[0031] assembly:

[0032] Place multiple detection blocks 9 in the inner cavity 2 of the base 1 in sequence, and the detection block 9 is sleeved with the convex ring 4 through the annular groove 13, so that the detection hole 10 is coaxial with the connecting hole 3, and the adjacent detection blocks 9 are fixed to the base 1 through the pin rod 14 and the stopper 15. The detection block 9 and the base 1 are also connected through the pin rod 14 and the stopper 15. The pin rod 14 is inserted into the first pin hole 5 and the rubber sleeve 16 of the third pin hole 8 is sleeved, and the rubber sleeve 16 is interference fit with the pin rod 14 through the inner hole 17, thereby completing the assembly of the overall tooling.

[0033] Detection:

[0034] Place the card point to be inspected into the detection hole 10 of the detection block 9. If it cannot be placed in, the card point size exceeds the upper tolerance and is judged as unqualified; if the card point to be inspected can shake in the detection hole 10, the card point size exceeds the lower tolerance and is judged as unqualified; if there is a slight blockage when the card point to be inspected enters the detection hole 10, the product is qualified.

[0035] Replacement of detection block 9:

[0036] The pins 14 and the blocks 15 at the four corners of the detection block 9 to be replaced are pulled out from the rubber sleeve 16. During this process, the first push rod 18 can be inserted into the inner hole 17 of the rubber sleeve 16 from the back of the base 1 to push out the pin 14, and then the pulled out first push rod 18 is pushed into the connecting hole 3 through the second push rod 19, so as to push out the detection block 9, and then the new detection block 9 is placed in the corresponding position, and then fixed by the pin 14 and the block 15.

[0037] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined tool for detecting roundness of a card point, comprising a base (1), characterized in that: The top of the base (1) is processed with an inner cavity (2), and the bottom of the inner cavity (2) is evenly provided with a plurality of connecting holes (3), and the plurality of connecting holes (3) are arranged in a matrix, and a plurality of first pin holes (5) are processed between the plurality of connecting holes (3), and the spacing between the plurality of first pin holes (5) and adjacent connecting holes (3) is the same; the side wall of the inner cavity (2) is evenly processed with a plurality of second pin holes (6), and the plurality of second pin holes (6) are coaxial with the plurality of first pin holes (5) on the outer edge, and the tops of the plurality of second pin holes (6) are all provided with a first receiving hole (7), and the inner cavity (2) is provided with a plurality of connecting holes (3). A plurality of detection blocks (9) are evenly arranged in the cavity (2); the plurality of detection blocks (9) are tightly fitted and nested with the inner cavity (2); a detection hole (10) is provided in the middle of the plurality of detection blocks (9); the plurality of detection holes (10) are respectively connected to the plurality of connecting holes (3); a fourth pin hole (11) is processed at the four corners of the detection block (9); a second receiving hole (12) is provided at the top end of the fourth pin hole (11); the plurality of fourth pin holes (11) are sleeved with a pin rod (14); and the top end of the plurality of pin rods (14) is integrally formed with a stopper (15).

2. The combined tooling for detecting roundness of card points according to claim 1, characterized in that: The second pin hole (6) is a semicircle, and its size requirements and precision level are the same as those of the connecting hole (3). The fourth pin hole (11) is a quarter circle, and its size requirements and precision level are also the same as those of the connecting hole (3). The hole formed by the second pin hole (6) and the fourth pin hole (11) is loosely matched with the pin rod (14). The hole formed by the plurality of the fourth pin holes (11) is also loosely matched with the pin rod (14). The matching tolerance between the pin rod (14) and the matching hole is ±0.02 mm. The first receiving hole (7) is a semicircle, and the second receiving hole (12) is a quarter circle. The hole formed by the first receiving hole (7) and the second receiving hole (12) is loosely matched with the stopper (15). The hole formed by the plurality of the second receiving holes (12) is also loosely matched with the stopper (15). The matching tolerance between the stopper (15) and the matching hole is ±0.05 mm.

3. The combined tooling for detecting roundness of card points according to claim 1, characterized in that: The bottom wall of the inner cavity (2) is uniformly processed with a plurality of convex rings (4), the plurality of convex rings (4) are coaxial with the plurality of connecting holes (3), the plurality of convex rings (4) are sleeved with the bottom of the plurality of detection blocks (9) through a plurality of annular grooves (13), the annular grooves (13) are coaxial with the detection holes (10), the diameter of the connecting holes (3) is larger than the bottom diameter of the detection holes (10), the bottom of the first pin hole (5) is processed with a third pin hole (8), the third pin hole (8) is interference-fitted with the outer wall of the rubber sleeve (16), the axis of the rubber sleeve (16) is provided with an inner hole (17), the rubber sleeve (16) is interference-fitted with the outer wall of the pin rod (14) through the inner hole (17).

4. The combined tooling for detecting roundness of card points according to claim 1, characterized in that: The detection hole (10) is slidably sleeved with the second push rod (19), the bottom of the second push rod (19) is integrally formed with the top of the first push rod (18), and the outer wall of the first push rod (18) is slidably sleeved with the connecting hole (3).

5. A combined tool for detecting roundness of card points according to claim 1 or claim 4, characterized in that: The base (1) is made of aviation aluminum, and the detection block (9), the pin rod (14), the stopper (15), the first push rod (18) and the second push rod (19) are made of isostatic graphite.

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