CN209341969U - A fast detection fixture for bent pipes - Google Patents

Abstract

The utility model discloses a fast detection jig for bending pipes, which comprises a detection main body, a lateral profiling inspection block, a wedge-shaped clamping module, and a detection block; short grooves and long grooves perpendicular to each other are opened on the upper surface of the detection main body; There are several pairs of clamping grooves on the main body close to the groove wall of the long groove. Staggered settings; there are several one-side clamping grooves on the side of the detection body close to the short groove; wedge-shaped clamping modules are set in the clamping groove and one-side clamping groove; the detection block is set in the length detection groove; A profiling groove is arranged on the lateral profiling inspection block, and the lateral profiling inspection block is fixed on one side of the detection main body. Through the above method, the utility model can quickly detect the shape, position and structure size of the bent pipe, can improve the appearance quality and quality stability of the product, has good versatility, and has low detection cost.

Description

A fast detection fixture for bent pipes

technical field

The utility model relates to the field of detection jigs, in particular to a fast detection jig for bent pipes.

Background technique

Bending tubes for aviation have the following characteristics: high appearance requirements, long dimensions, easy deformation after bending, difficult detection of spatial dimensions, and difficult positioning after deformation. It is usually necessary to use large-stroke three-dimensional detection equipment to detect the spatial shape and size, and the equipment investment cost is high; the detection process needs to be clamped and fixed multiple times to stabilize the datum, the operation is cumbersome, the cumulative error affects the accuracy, and multiple clamps are easy to cause The product has poor appearance such as scratches and bruises, and the clamping process has high requirements for inspectors.

Utility model content

The technical problem mainly solved by the utility model is to provide a fast detection jig for bending pipes, which can quickly detect the bending pipes, and can meet the detection requirements of all spatial dimensions by one positioning and clamping; The detection principle of the stop gauge can complete the detection, eliminating the need to invest in large-stroke three-dimensional detection equipment; the clamping process is simple, stable and easy to operate, reducing the chance of scratches and bruises caused by the detection and clamping of the product; simplifying the work of the testing personnel Requirements, reduce workload.

In order to solve the above technical problems, a technical solution adopted by the utility model is to provide a quick detection fixture for bent pipes, including: a detection body, a lateral profiling inspection block, a wedge-shaped clamping module, a detection block and a pin; There is a T-shaped positioning groove on the upper surface of the detection body. The positioning groove includes a short groove and a long groove arranged perpendicular to each other. One end of the long groove communicates with the middle of the short groove, and a circular arc transition is provided at the connection between the long groove and the short groove. ; The detection main body is provided with several pairs of clamping grooves near the groove walls on both sides of the long groove, the clamping grooves are connected with the long grooves, and each pair of clamping grooves is arranged symmetrically about the long grooves; The position of the groove is provided with several pairs of length detection grooves, the length detection grooves are connected with the long grooves, and each pair of length detection grooves is set in a staggered manner; on the side of the detection body close to the short grooves, there are several unilateral clamping grooves, The one-side clamping groove communicates with the short groove, and the one-side clamping groove is located on the side close to the long groove; the wedge-shaped clamping module is arranged in the clamping groove and one-side clamping groove, The bottom of the groove is provided with fastening threaded holes, and the wedge-shaped clamping module is connected with the fastening threaded holes through fastening screws; the detection block is arranged in the length detection groove; shaped groove, and the lateral profiling test block is fixed on the side of the detection main body close to the short groove through the pin, and the lateral profiling test block is perpendicular to the detection main body; the wedge-shaped clamping module includes a base and a wedge-shaped block. The cross-section of the base is in the shape of "凵", and a pair of clamps are fixed on both sides of the upper end of the base. The cross-section of the clamps is a right triangle. The bottom of the clamps is fixed on the upper end of the base. The inclined plane is arranged symmetrically; the cross-section of the wedge-shaped block is an inverted "convex" shape, and the two sides of the wedge-shaped block are provided with arc surfaces, and the wedge-shaped block is arranged on the base. The beveled contact of the clamp block.

Further, the wedge-shaped block is provided with a vertically arranged threaded through hole, and the position corresponding to the threaded hole is provided with an avoidance hole on the base, and the fastening screw is arranged in the threaded through hole, and the lower end of the fastening screw passes through the avoidance hole and Connect with fastening threaded holes.

The beneficial effects of the utility model are: the utility model can quickly detect the space shape and structure size of the aviation bending pipe product, and the detection efficiency is high; the clamping method and times of the inspection are simplified, and the appearance quality and quality stability of the product are improved; The skill requirements and workload of the testing personnel are improved, and the labor cost of the enterprise is saved; instead of the high investment in testing equipment, the equipment cost is reduced for small and medium-sized enterprises; Clamping module to meet the measurement of multiple products of different lengths.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a preferred embodiment of a fast detection jig for bent tubes of the present invention;

Fig. 2 is a schematic diagram of the explosive structure of a fast detection fixture for bent pipes shown;

Fig. 3 is a schematic diagram of an enlarged three-dimensional structure of a wedge-shaped clamping module in a fast detection fixture for a bent tube shown;

Fig. 4 is a schematic diagram of an exploded structure of a wedge-shaped clamping module in a quick detection jig for a bent tube.

The marks of each component in the attached drawings are as follows: 1. Detection main body; 2. Lateral profiling inspection block; 3. Wedge clamping module; 4. Detection block; 5. Pin; 6. Long slot; 7. Short slot; 8. Clamping groove; 9. Length detection groove; 10. One-sided clamping groove; 11. Profile groove; 12. Bend pipe sample; 31. Base; 32. Wedge block; 33. Fastening screw; 34. clamp block.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, so that the protection scope of the utility model can be defined more clearly .

Please refer to Fig. 1 to Fig. 4, the utility model embodiment comprises:

A fast detection fixture for bent pipes, comprising: a detection body 1, a lateral profiling inspection block 2, a wedge-shaped clamping module 3, a detection block 4, and a pin 5; the detection body 1 is T-shaped, and the detection body 1 There are positioning grooves on the upper surface, and the positioning grooves include short grooves 7 and long grooves 6 arranged perpendicularly to each other. One end of the long groove communicates with the middle of the short groove, and a circular arc transition is provided at the connection between the long groove and the short groove; the detection main body 1 is provided with several pairs of clamping grooves 8 near the groove walls on both sides of the long groove, the clamping grooves 8 communicate with the long groove 6, and each pair of clamping grooves 8 is arranged symmetrically with respect to the long groove; The position of the holding groove is provided with several pairs of length detection grooves 9, and the length detection grooves 9 are connected with the long grooves, and each pair of length detection grooves 9 is arranged in a staggered manner; The side clamping groove 10, the one-side clamping groove 10 communicates with the short groove, and the one-side clamping groove is located on the side close to the long groove; the wedge-shaped clamping module 3 is arranged in the clamping groove and the one-side clamping groove, Both the bottom of the clamping groove and the one-side clamping groove are provided with fastening threaded holes, and the detection block 4 is set in the length detection groove; the lateral profiling test block 2 is provided with a profiling groove 11, and the side The profiling test block is fixed on the side of the detection main body close to the short groove by a pin, and the lateral profiling test block is perpendicular to the detection main body; the wedge-shaped clamping module includes a base 31, a wedge-shaped block 32 and a fastening screw 33, The cross section of the base 31 is in the shape of "凵", a pair of clamping blocks 34 are fixed on both sides of the upper end of the base 31, the cross section of the clamping blocks 34 is a right triangle, the bottom surface of the clamping blocks is fixed on the upper end of the base, and the right angle of the clamping blocks is located outside the base. The slopes of the two clamping blocks are arranged symmetrically; the cross-section of the wedge block 32 is an inverted "convex" shape, and both sides of the wedge block 32 are provided with arc surfaces, and the wedge block 32 is arranged on the base 31. The wedge block 32 The two arc surfaces of the two are in contact with the slopes of the two clamping blocks 34 respectively; the wedge-shaped block 32 has a vertical threaded through hole, and the position corresponding to the threaded hole on the base has an escape hole, and the fastening screw 33 is located in the threaded through hole, the fastening screw 33 lower ends pass through the avoidance hole and are connected with the fastening threaded hole, the fastening screw presses down the wedge block, and the wedge block opens the clamp block to both sides.

First, put the bent pipe sample 12 shown in the figure into the positioning groove of the main body, and fit it with the two right-angled sides of the positioning groove to form a positioning; according to the length specification of the product to be tested, install it in the long and short sides respectively. Two and one wedge-shaped clamping module, lock the fastening screw to fix the product; then slide the detection block in the length detection groove of the detection body, and judge whether the length of the product is qualified by means of one side through the other; the other end , the lateral profiling inspection block is positioned in cooperation with the detection main body through two pins. Then push the lateral profiling inspection block towards the product direction, and the profiling groove on the lateral profiling inspection block is compatible with the product, and it is judged as qualified, otherwise it is defective, and the inspection process is completed.

The utility model can quickly detect the space shape, position and structure size of the aviation bending pipe product, and has high detection efficiency; the clamping method and times of inspection are simplified, and the appearance quality and quality stability of the product are improved; the skill requirements and work requirements of the inspection personnel are reduced. load, saving the labor cost of the enterprise; replacing the high investment in testing equipment, reducing the equipment cost for small and medium-sized enterprises; Product measurement of length.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields, All are included in the scope of patent protection of the utility model in the same way.

Claims (2)

1. a kind of bending tube rapid detection fixture characterized by comprising detection main body, lateral profiling examine block, wedge shape clamping Module, detection block and pin；The detection body upper surface is provided with the locating slot of T-type, and locating slot includes being arranged in a mutually vertical manner Short slot and elongated slot, elongated slot one end are connected to the middle of short slot, and elongated slot and short slot junction are equipped with arc transition；The detection master Several pairs of holding tanks are equipped on body at the cell wall of long groove on both sides, holding tank is connected to elongated slot, and each pair of holding tank is about elongated slot It is symmetrical arranged；Several pairs of length detection slots, length detection slot and elongated slot are equipped with close to the position of holding tank in the detection main body Connection, each pair of length detection slot are arranged in a staggered manner；Several unilateral folders are provided in the detection main body on the side cell wall of short slot Slot is held, unilateral holding tank is connected to short slot, and unilateral holding tank is located at close to the side of elongated slot；The wedge shape self-clamping module is located at folder It holds in slot and unilateral holding tank, the slot bottom of holding tank and unilateral holding tank is provided with fastening thread hole, and wedge-shaped self-clamping module passes through Fastening screw is connect with fastening thread hole；The detection block is located in length detection slot；The lateral profiling examines block to be equipped with Imitation-shaped groove, lateral profiling examine block to be fixed on by the pin close to the side of short slot in detection main body, and lateral profiling is examined Block is perpendicular to detection main body；The wedge shape self-clamping module includes pedestal and wedge block, and the pedestal cross section is in " Qian " font, bottom Seat upper end two sides are fixed with a pair of of fixture block, the rectangular triangle in fixture block cross section, and fixture block bottom surface is fixed on the base end, fixture block Right angle is located at chassis outer side, and the inclined-plane of two fixture blocks is symmetrical arranged；The wedge block cross section is in " convex " font stood upside down, wedge shape Block two sides are equipped with arc surface, and the wedge block is located on pedestal, two arc surfaces of wedge block inclined-plane with two fixture blocks respectively Contact.

2. a kind of bending tube rapid detection fixture according to claim 1, it is characterised in that: be provided on the wedge block perpendicular The tapped through hole being directly arranged, the position that threaded hole is corresponded on pedestal are provided with avoid holes, and the fastening screw is located in tapped through hole, Fastening screw lower end passes through avoid holes and connect with fastening thread hole.