Form and location tolerance detection device

Abstract

The utility model discloses a form and location tolerance detection device, which belongs to the technical field of form and location tolerance detection and comprises a main guide rail, two ends of the main guide rail are respectively provided with a plurality of split guide rails, the bottoms of the main guide rail and the split guide rails are respectively provided with a lower sliding groove, and an inner cavity of each lower sliding groove is provided with a supporting mechanism. The top of the main guide rail and the top of the split guide rail are each provided with an upper sliding groove, and a detection mechanism is arranged in an inner cavity of each upper sliding groove. In the utility model, other split guide rails are inserted into the end parts of the main guide rails or the split guide rails, so that the connecting blocks at the end parts of the other split guide rails are inserted into the through grooves at the end parts of the main guide rails or the split guide rails; and in addition, the elastic force of a first spring is utilized to drive a bolt to be inserted into an insertion hole in a connecting block to fix the main guide rail and the split guide rails and fix the split guide rails, so that the length of the detection device is conveniently adjusted, and the practicability of the form and location tolerance detection device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to shape and position tolerance detection technical field, more specifically, relate to a shape and position tolerance detection device. BACKGROUND

[0002] Shape and position tolerance is also called geometric tolerance, including shape tolerance and position tolerance, and is the allowable variation range of geometric error. Shape and position tolerance detection devices are needed for detection in the fields of mechanical processing and furniture processing.

[0003] Through the retrieval, the utility model discloses a shape and position tolerance detection device with publication No. CN215261577U, including guide rail and sliding device, the upper surface of guide rail is horizontal reference surface, and sliding device can be detachably attached on the upper surface of guide rail;A indicating table is fixed on the sliding device, when measuring, the pressing needle of the indicating table contacts the workpiece to be measured under the guide rail, effectively improving the detection accuracy and detection efficiency. However, the above-mentioned patent still has the following deficiencies: when the guide rail is segmented, the screw needs to be screwed through the fastening mechanism, and the operation is not convenient enough. Although the standard pad can provide support, it is difficult to ensure stability, and there is a possibility of movement during detection. For this reason, we propose a shape and position tolerance detection device. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a shape and position tolerance detection device.

[0005] To solve the above problems, the utility model adopts the following technical scheme: a shape and position tolerance detection device, including main guide rail, a plurality of split guide rails are arranged at both ends of the main guide rail respectively, the bottom of the main guide rail and the split guide rail is provided with a lower sliding groove, the inner cavity of the lower sliding groove is provided with a supporting mechanism, the top of the main guide rail and the split guide rail is provided with an upper sliding groove, the inner cavity of the upper sliding groove is provided with a detection mechanism, the inner side of the main guide rail and the split guide rail is provided with a plurality of through grooves, a connecting block is fixedly sleeved in the inner cavity of the through groove at one end of the split guide rail, a plug hole is formed in the end of the connecting block, the end of the connecting block is movably sleeved into the inner cavity of the through groove, the outer side of both ends of the main guide rail and the outer side of the other end of the split guide rail are fixedly connected with a first spring, the end of the first spring is fixedly connected with a pull block, the inner side of the pull block is fixedly connected with a plug pin, and the end of the plug pin is movably sleeved into the inner cavity of the plug hole.

[0006] As one preferred scheme of the utility model, the supporting mechanism includes the lower sliding block movably sleeved in the lower sliding groove, the bottom surface of the lower sliding block is provided with the mounting groove, the top surface of the mounting groove inner cavity is fixedly connected with the second spring, the bottom of the second spring extends to the bottom of the split guide rail and is fixedly connected with the support seat, the top surface of the support seat and the bottom surface of the split guide rail are attached, the bottom surface of the support seat is fixedly connected with two support blocks, the bottom ends of the two support blocks are fixedly connected with the adsorption cylinder, the bottom of the adsorption cylinder is fixedly connected with the rubber ring, the top of the adsorption cylinder inner cavity is threadedly sleeved with the screw rod, the bottom end of the screw rod is fixedly connected with the rubber disc, the side surface of the rubber disc and the inner wall of the adsorption cylinder are attached, and the top end of the screw rod extends to the top of the adsorption cylinder and is fixedly connected with the knob.

[0007] As one preferred scheme of the utility model, the detection mechanism includes the upper sliding block movably sleeved in the upper sliding groove, the top of the upper sliding block extends to the top of the main guide rail and is provided with the mounting block, the end of the mounting block is fixedly connected with the indicating table, the bottom of the indicating table is provided with the pressing needle, and the side surface of the bottom end of the upper sliding block and the inner wall of the upper sliding groove are attached.

[0008] As one preferred scheme of the utility model, the front surfaces of the main guide rail and the split guide rail are provided with the scale.

[0009] As one preferred scheme of the utility model, the top surface of the support seat is fixedly connected with two slide rods, and the top ends of the two slide rods are movably sleeved with the lower sliding block.

[0010] As one preferred scheme of the utility model, the side surface of the connecting block and the inner wall of the through groove are attached, and the inner diameter of the jack and the outer diameter of the bolt are equal.

[0011] As one preferred scheme of the utility model, the side surface of the lower sliding block and the inner wall of the lower sliding groove are attached.

[0012] Compared with the prior art, the utility model has the advantages that: 1) in the utility model, other split guide rails are inserted and mounted at the end of the main guide rail or the split guide rail, the connecting blocks at the ends of the other split guide rails are inserted into the through grooves at the ends of the main guide rail or the split guide rail, the bolts are inserted into the jacks on the connecting blocks by the elastic force of the first springs, the main guide rail and the split guide rail, the split guide rail and the split guide rail are fixed, the length of the detection device is conveniently adjusted, and the practicality of the geometric tolerance detection device is improved.

[0013] 2) The utility model discloses a support mechanism is installed at the bottom of main guide rail or split guide rail through the cooperation of lower sliding slot, lower sliding block, second spring, support seat, the rubber ring of support mechanism bottom is placed on the surface to be detected, in addition, rotates knob and drives screw rotation, drives rubber disc and moves up through the thread cooperation between screw and adsorption cylinder, utilizes the negative pressure of adsorption cylinder inner chamber lower part and fixes support mechanism on the surface to be detected, thereby utilizes support mechanism and carries out stable support to the detection device, and the practicality of the geometric tolerance detection device has been improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the front of the utility model;

[0015] Figure 2 It is the whole structure schematic diagram of the back of the utility model;

[0016] Figure 3 It is the structure schematic diagram of main guide rail of the utility model;

[0017] Figure 4 It is the structure schematic diagram of split guide rail of the utility model;

[0018] Figure 5 It is the structure schematic diagram of through slot of the utility model;

[0019] Figure 6 It is the cross section schematic diagram of lower sliding block of the utility model.

[0020] Mark number explanation: 1, main guide rail; 2, split guide rail; 3, lower sliding slot; 4, upper sliding slot; 5, detection mechanism; 6, support mechanism; 7, through slot; 8, connecting block; 9, jack; 10, first spring; 11, pull block; 12, bolt; 13, lower sliding block; 14, installation slot; 15, second spring; 16, support seat; 17, slide rod; 18, support block; 19, adsorption cylinder; 20, rubber ring; 21, screw; 22, knob; 23, rubber disc; 24, upper sliding block; 25, mounting block; 26, indicating meter; 27, pressing needle; 28, scale. DETAILED DESCRIPTION

[0021] The technical schemes in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0022] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "set with", "sleeve / interface", "connection" and so on, should be broadly understood, for example "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Example 1

[0024] Please refer to Figures 1-6 A geometric tolerance detection device, including main guide rail 1, the both ends of main guide rail 1 are provided with a plurality of split guide rail 2, the bottom of main guide rail 1 and split guide rail 2 is provided with lower slide groove 3, the inner chamber of lower slide groove 3 is provided with support mechanism 6, the top of main guide rail 1 and split guide rail 2 is provided with upper slide groove 4, the inner chamber of upper slide groove 4 is provided with detection mechanism 5, the inner side of main guide rail 1 and split guide rail 2 is provided with a plurality of through slot 7, the end of split guide rail 2 and located in the inner chamber of through slot 7 is fixedly sleeved with connecting block 8, the end of connecting block 8 is provided with insertion hole 9, the end of connecting block 8 is movably sleeved into the inner chamber of through slot 7, the outer side of both ends of main guide rail 1 and the outer side of the other end of split guide rail 2 are fixedly connected with first spring 10, the end of first spring 10 is fixedly connected with pull block 11, the inner side of pull block 11 is fixedly connected with latch 12, the end of latch 12 is movably sleeved in the inner chamber of insertion hole 9.

[0025] Specifically, please refer to Figure 1 , Figure 5 and Figure 6The supporting mechanism 6 comprises a lower sliding block 13 movably sleeved in the inner cavity of the lower sliding groove 3, the bottom surface of the lower sliding block 13 is provided with a mounting groove 14, the top surface of the inner cavity of the mounting groove 14 is fixedly connected with a second spring 15, the bottom of the second spring 15 extends to the bottom of the split guide rail 2 and is fixedly connected with a supporting seat 16, the top surface of the supporting seat 16 is attached to the bottom surface of the split guide rail 2, the bottom surface of the supporting seat 16 is fixedly connected with two supporting blocks 18, the bottom ends of the two supporting blocks 18 are fixedly connected with a suction cylinder 19, the bottom of the suction cylinder 19 is fixedly connected with a rubber ring 20, the top of the inner cavity of the suction cylinder 19 is threadedly sleeved with a screw rod 21, the bottom end of the screw rod 21 is fixedly connected with a rubber disc 23, the side surface of the rubber disc 23 is attached to the inner wall of the suction cylinder 19, the top end of the screw rod 21 extends to the top of the suction cylinder 19 and is fixedly connected with a knob 22.

[0026] Specifically, please refer to Figure 1 and Figure 5 The detecting mechanism 5 comprises an upper sliding block 24 movably sleeved in the inner cavity of the upper sliding groove 4, the top of the upper sliding block 24 extends to the top of the main guide rail 1 and is provided with a mounting block 25, the end of the mounting block 25 is fixedly connected with an indicating table 26, the bottom of the indicating table 26 is provided with a pressing needle 27, and the side surface of the bottom end of the upper sliding block 24 is attached to the inner wall of the upper sliding groove 4.

[0027] In the embodiment, the upper sliding block 24 can slide in the upper sliding groove 4 on the top of the main guide rail 1 and the split guide rail 2, so as to adjust the position of the indicating table 26, and the pressing needle 27 is used for detecting the condition of the surface to be detected.

[0028] Specifically, please refer to Figure 1 The front surfaces of the main guide rail 1 and the split guide rail 2 are provided with scales 28.

[0029] In the embodiment, the length of the assembled detecting device is controlled through the scales 28 on the front of the main guide rail 1 and the split guide rail 2.

[0030] Specifically, please refer to Figure 6 The top surface of the supporting seat 16 is fixedly connected with two slide rods 17, and the top ends of the two slide rods 17 are movably sleeved with the lower sliding block 13.

[0031] In the embodiment, the lower sliding block 13 and the supporting seat 16 are limited through the movable cooperation between the slide rods 17 and the lower sliding block 13.

[0032] Specifically, please refer to Figure 3 and Figure 4 The side surface of the connecting block 8 is attached to the inner wall of the through groove 7, and the inner diameter of the insertion hole 9 is equal to the outer diameter of the insertion pin 12.

[0033] In the embodiment, the stability of the insertion of the connecting block 8 into the through slot 7 is ensured, thereby ensuring the stability of the installation of the split rail 2 at the end of the main rail 1, ensuring the stability of the installation of another split rail 2 at the end of the split rail 2, and further ensuring the stability of the insertion of the bolt 12 into the inner cavity of the insertion hole 9, thereby fixing the insertion of the connecting block 8 into the through slot 7.

[0034] Specifically, please refer to Figure 3 and Figure 5 The side surface of the lower sliding block 13 is in abutment with the inner wall of the lower sliding slot 3.

[0035] In the embodiment, the stability of the sliding of the lower sliding block 13 in the inner cavity of the lower sliding slot 3 is ensured.

[0036] Working principle: in use, first, a plurality of split rails 2 are inserted at both ends of the main rail 1, so that the connecting blocks 8 at the ends of the two split rails 2 are inserted into the through slots 7 at both ends of the main rail 1, and the connecting blocks 8 at the ends of the other split rails 2 are inserted into the through slots 7 at the ends of the split rails 2 at both ends of the main rail 1, and further, the pulling of the pulling block 11 during the insertion of the connecting block 8 into the inner cavity of the through slot 7 causes the bolt 12 to be separated from the inner cavity of the through slot 7, and after the insertion of the connecting block 8 into the through slot 7, the pulling block 11 is loosened, and the elastic force of the first spring 10 drives the bolt 12 to be inserted into the insertion hole 9 on the connecting block 8, thereby fixing the main rail 1 and the split rails 2, the split rails 2 and the split rails 2, and adjusting the overall length of the detection device, then the upper sliding block 24 is sleeved on the upper sliding slot 4 at the top of the main rail 1 and the split rails 2, so that the indicating table 26 and the pressing needle 27 are placed at the front of the main rail 1 and the split rails 2, and then the lower sliding blocks 13 on the two supporting mechanisms 6 are respectively clamped into the lower sliding slots 3 below the outermost two split rails 2, the elastic force of the second spring 15 causes the supporting seat 16 and the lower sliding block 13 to be clamped at the lower part of the split rail 2, and the rubber ring 20 below the supporting mechanism 6 is placed on the surface to be detected, the supporting mechanism 6 supports the detection device, and the rotation of the knob 22 drives the screw rod 21 to rotate, and the screw thread cooperation between the screw rod 21 and the suction cylinder 19 drives the rubber disc 23 to move upwards, thereby the negative pressure at the lower part of the inner cavity of the suction cylinder 19 adsorbs and fixes the supporting mechanism 6 on the surface to be detected, and finally the height of the pressing needle 27 below the indicating table 26 is adjusted to "0" and calibrated, and the indicating table 26 is slid on the main rail 1 and the split rails 2, and the surface to be detected is detected by the pressing needle 27 at the lower part of the indicating table 26.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A form and position tolerance detection device comprising a master rail (1), characterized in that: The both ends of the main guide rail (1) are respectively provided with a plurality of split guide rails (2), the bottom of the main guide rail (1) and the split guide rail (2) is provided with a lower sliding groove (3), the inner cavity of the lower sliding groove (3) is provided with a supporting mechanism (6), the top of the main guide rail (1) and the split guide rail (2) is provided with an upper sliding groove (4), the inner cavity of the upper sliding groove (4) is provided with a detection mechanism (5), the inner side of the main guide rail (1) and the split guide rail (2) is provided with a plurality of through grooves (7), one end of the split guide rail (2) and located in the inner cavity of the through groove (7) is fixedly sleeved with a connecting block (8), the end of the connecting block (8) is provided with a insertion hole (9), the end of the connecting block (8) is movably sleeved into the inner cavity of the through groove (7), the outer side of the both ends of the main guide rail (1) and the outer side of the other end of the split guide rail (2) are movably sleeved with a first spring (10), the end of the first spring (10) is fixedly connected with a pull block (11), the inner side of the pull block (11) is fixedly connected with a bolt (12), the end of the bolt (12) is movably sleeved into the inner cavity of the insertion hole (9).

2. A form tolerance detection device according to claim 1, wherein: The supporting mechanism (6) comprises a lower sliding block (13) movably sleeved in the inner cavity of the lower sliding groove (3), the bottom surface of the lower sliding block (13) is provided with a mounting groove (14), the top surface of the inner cavity of the mounting groove (14) is fixedly connected with a second spring (15), the bottom of the second spring (15) extends to the bottom of the split guide rail (2) and is fixedly connected with a supporting seat (16), the top surface of the supporting seat (16) and the bottom surface of the split guide rail (2) are attached, the bottom surface of the supporting seat (16) is fixedly connected with two supporting blocks (18), the bottom ends of the two supporting blocks (18) are fixedly connected with a suction cylinder (19), the bottom of the suction cylinder (19) is fixedly connected with a rubber ring (20), the inner cavity of the suction cylinder (19) is threadedly sleeved with a screw rod (21) at the top, the bottom end of the screw rod (21) is fixedly connected with a rubber disc (23), the side surface of the rubber disc (23) and the inner wall of the suction cylinder (19) are attached, the top end of the screw rod (21) extends to the top of the suction cylinder (19) and is fixedly connected with a knob (22).

3. A form tolerance detection device according to claim 2, wherein: The detection mechanism (5) comprises an upper sliding block (24) movably sleeved in the inner cavity of the upper sliding groove (4), the top of the upper sliding block (24) extends to the top of the main guide rail (1) and is provided with a mounting block (25), the end of the mounting block (25) is fixedly connected with an indicating table (26), the bottom of the indicating table (26) is provided with a pressing needle (27), the side surface of the bottom end of the upper sliding block (24) and the inner wall of the upper sliding groove (4) are attached.

4. The apparatus of claim 1, wherein: The front surface of the main guide rail (1) and the split guide rail (2) is provided with a scale (28).

5. The apparatus of claim 2, wherein: The top surface of the supporting seat (16) is fixedly connected with two sliding rods (17), the top ends of the two sliding rods (17) are movably sleeved with the lower sliding block (13).

6. The apparatus of claim 1, wherein: The side surface of the connecting block (8) and the inner wall of the through groove (7) are attached, the inner diameter of the insertion hole (9) is equal to the outer diameter of the bolt (12).

7. The apparatus of claim 2, wherein: The side of the lower sliding block (13) is attached to the inner wall of the lower sliding groove (3).

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