Detection device for welding strength of diamond tool bit

Abstract

The utility model relates to the technical field of detection equipment, and discloses a diamond tool bit welding strength detection device which comprises a detection table and a detection box fixedly installed at the top of the detection table, the front side of the detection box is of an opening structure, and a first shaft seat is fixedly installed on the inner wall of the bottom of the detection box; the top of the first shaft seat is rotatably provided with a stand column, the top end of the stand column is fixedly provided with a bearing disc, the top inner wall of the detection box is fixedly provided with a fixing seat, and the bottom of the fixing seat is fixedly provided with a first hydraulic cylinder. Compared with the prior art, the diamond tool bit welding strength detection device has the following advantages and effects that flaw detection can be conducted on the welding portion of a diamond tool bit, welding strength detection can also be conducted on the diamond tool bit, operation is easy and convenient, and the working efficiency and the accuracy of detection results are improved; and moreover, the device is suitable for carrying out flaw detection and welding strength detection on welding parts of diamond tool bits welded on diamond saw blades with different sizes, the application range is enlarged, and the practicability is good.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of detection equipment, in particular to a device for detecting the welding strength of a diamond tool bit. BACKGROUND

[0002] The diamond tool bit is the working main body of a diamond saw blade, and the cutting saw blade with the man-made diamond tool bit has been widely applied. The diamond saw blade comprises a base body and a diamond tool bit brazed on the base body. During the operation of cutting work with the diamond saw blade, the tooth may be dropped, and the phenomenon of personnel injury and tool damage may be caused. The main reason is that the diamond tool bit is not firmly welded. Therefore, before the diamond saw blade is delivered, the welding strength of the diamond tool bit needs to be detected and tested, and the welding strength detection device needs to be used.

[0003] In the related art, the diamond tool bit welding strength detection device can meet the basic requirement of detecting the welding strength of the diamond tool bit. However, it is found in actual use that there are at least the following problems: the detection function is relatively single, the welding position of the diamond tool bit cannot be detected and judged for defects such as cracks, inclusions, pores, incomplete penetration and incomplete fusion, and then the welding strength of the diamond tool bit is detected, and the detection result is not accurate enough.

[0004] Therefore, the application provides a device for detecting the welding strength of a diamond tool bit to solve the above problems. CONTENT OF THE INVENTION

[0005] The application aims to provide a device for detecting the welding strength of a diamond tool bit, which can not only detect the welding position of the diamond tool bit, but also detect the welding strength of the diamond tool bit, is simple and convenient to operate, improves the work efficiency and the accuracy of the detection result, is suitable for detecting the welding position and the welding strength of the diamond tool bit on the diamond saw blade with different sizes, increases the application range, and has the effects of good practicability.

[0006] The above technical purposes of the application are realized by the following technical scheme: a device for detecting the welding strength of a diamond tool bit, comprising a detection table and a detection box fixedly installed on the top of the detection table, the front side of the detection box is of an open structure, a first shaft seat is fixedly installed on the inner wall of the bottom of the detection box, a column is rotatably installed on the top of the first shaft seat, a bearing disc is fixedly installed on the top end of the column, a fixing seat is fixedly installed on the top inner wall of the detection box, a first hydraulic cylinder is fixedly installed on the bottom of the fixing seat, a second shaft seat is rotatably installed on the output shaft end of the first hydraulic cylinder, a pressure plate is fixedly installed on the bottom of the second shaft seat, the pressure plate is located directly above the bearing disc, a flaw detection mechanism for detecting the welding defects of the diamond tool bit is arranged in the detection box, a strength detection mechanism for detecting the welding strength of the diamond tool bit is arranged in the detection box, the flaw detection mechanism and the strength detection mechanism are distributed on the left and right sides of the fixing seat, and a driving mechanism for controlling the rotation of the column is further arranged in the detection box.

[0007] Further, the top of the bearing disc is fixedly installed with a first anti-skid pad, and the bottom of the pressure plate is fixedly installed with a second anti-skid pad.

[0008] Further, the top center of the bearing disc is fixedly installed with a positioning pin, and the top end of the positioning pin penetrates through the first anti-skid pad.

[0009] Further, the flaw detection mechanism comprises a first electric guide rail, a first electric sliding seat, a first electric telescopic rod, a first mounting plate and a weld ultrasonic flaw detector, the first electric guide rail is fixedly installed on the top inner wall of the detection box and located on the left side of the fixing seat, the first electric sliding seat is slidingly installed on the first electric guide rail, the first electric telescopic rod is fixedly installed on the bottom of the first electric sliding seat, the first mounting plate is fixedly installed on the output shaft end of the first electric telescopic rod, the weld ultrasonic flaw detector is detachably fixedly installed on the bottom of the first mounting plate, and a flaw detection probe is electrically connected to the bottom of the weld ultrasonic flaw detector.

[0010] Further, the strength detection mechanism comprises a second electric guide rail, a second electric sliding seat, a second hydraulic cylinder, a second mounting plate, a pressure sensor and a detection pressure column, the second electric guide rail is fixedly installed on the top inner wall of the detection box and located on the right side of the fixing seat, the second electric sliding seat is slidingly installed on the second electric guide rail, the second hydraulic cylinder is fixedly installed on the bottom of the second electric sliding seat, the second mounting plate is fixedly installed on the output shaft end of the second hydraulic cylinder, the pressure sensor is detachably fixedly installed on the bottom of the second mounting plate, and the detection pressure column is fixedly installed on the bottom of the pressure sensor.

[0011] The further setting of the application is that the driving mechanism comprises a motor, a main gear and a secondary gear, the motor is fixedly installed on the inner wall of the bottom of the detection box, the main gear is fixedly installed on the output shaft end of the motor, the secondary gear is fixedly installed on the stand column, and the main gear is engaged with the secondary gear.

[0012] The further setting of the application is that a baffle plate is fixedly installed between the main gear and the bearing disc in the detection box, an avoiding hole is formed in the top of the baffle plate, and the top end of the stand column penetrates through the avoiding hole.

[0013] The further setting of the application is that a pad seat is fixedly installed on the right side of the baffle plate on the top of the baffle plate, a second electric telescopic rod is fixedly installed on the top of the pad seat, and a supporting seat is fixedly installed on the output shaft end of the second electric telescopic rod.

[0014] The further setting of the application is that the bottom of the supporting seat is in sliding contact with the top of the baffle plate, and the top of the supporting seat is flush with the top of the first anti-skid pad.

[0015] The further setting of the application is that a controller is fixedly installed on the left outer wall of the detection box, and a display screen and a plurality of control buttons are installed on the controller.

[0016] The application comprises at least one of the following beneficial technical effects:

[0017] 1. The first hydraulic cylinder can control the vertical lifting of the second shaft seat and the pressure disc, the pressure disc can exert a vertical downward force on the diamond saw blade, the diamond saw blade can be firmly pressed and fixed on the bearing disc, and the subsequent welding position detection and welding strength detection of the diamond tool bit can be carried out.

[0018] 2. The detection detection mechanism composed of the first electric guide rail, the first electric sliding seat, the first electric telescopic rod, the first mounting plate and the welding ultrasonic flaw detection instrument can detect the welding position of the diamond tool bit, and is suitable for detecting the welding position of the diamond tool bit on diamond saw blades of different sizes.

[0019] 3. The strength detection mechanism composed of the second electric guide rail, the second electric sliding seat, the second hydraulic cylinder, the second mounting plate, the pressure sensor and the detection pressure column can detect the welding strength of the diamond tool bit, and is suitable for detecting the welding strength of the diamond tool bit on diamond saw blades of different sizes.

[0020] 4. The driving mechanism composed of the motor, the main gear and the secondary gear can control the horizontal rotation of the tightly fixed diamond saw blade, so as to detect the welding position and welding strength of all diamond tool bits welded on the outer circular edge of the diamond saw blade, and improve the accuracy of the detection result.

[0021] 5、The application can effectively prevent the deformation of the diamond saw blade during the detection of the welding strength of the diamond tool bit by using the combined action of the pad, the second electric telescopic rod and the support seat. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a three-dimensional structural schematic diagram of the first perspective of the embodiment.

[0023] Figure 2 is a three-dimensional structural schematic diagram of the second perspective of the embodiment.

[0024] Figure 3 is Figure 1 is an enlarged structural schematic diagram of part A.

[0025] Figure 4 is a three-dimensional structural schematic diagram of the flaw detection mechanism.

[0026] Figure 5 is a three-dimensional structural schematic diagram of the strength detection mechanism.

[0027] In the figure, 1, detection table; 2, detection box; 3, first shaft seat; 4, stand column; 5, bearing disc; 6, first hydraulic cylinder; 7, second shaft seat; 8, pressure disc; 9, first anti-skid pad; 10, second anti-skid pad; 11, positioning pin; 12, flaw detection mechanism; 121, first electric guide rail; 122, first electric sliding seat; 123, first electric telescopic rod; 124, first mounting plate; 125, weld ultrasonic flaw detector; 126, flaw detection probe; 13, strength detection mechanism; 131, second electric guide rail; 132, second electric sliding seat; 133, second hydraulic cylinder; 134, second mounting plate; 135, pressure sensor; 136, detection pressure column; 14, motor; 15, main gear; 16, auxiliary gear; 17, partition plate; 18, pad; 19, second electric telescopic rod; 20, support seat; 21, controller; 22, fixed seat. DETAILED DESCRIPTION

[0028] The technical solutions of the application will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0029] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The application provides a device for detecting the welding strength of a diamond tool bit, which comprises a detection table 1 and a detection box 2 fixedly installed on the top of the detection table 1, the front side of the detection box 2 is of an open structure, a first shaft seat 3 is fixedly installed on the inner wall of the bottom of the detection box 2, a stand column 4 is rotatably installed on the top of the first shaft seat 3, a bearing disc 5 is fixedly installed on the top end of the stand column 4, the bearing disc 5 is used for bearing and supporting a diamond saw blade with a welded diamond tool bit, a fixing seat 22 is fixedly installed on the top inner wall of the detection box 2, a first hydraulic cylinder 6 is fixedly installed on the bottom of the fixing seat 22, a second shaft seat 7 is rotatably installed on the output shaft end of the first hydraulic cylinder 6, a pressing disc 8 is fixedly installed on the bottom of the second shaft seat 7, the pressing disc 8 is located directly above the bearing disc 5, the first hydraulic cylinder 6 can be used to control the vertical lifting of the second shaft seat 7 and the pressing disc 8, the diamond saw blade can be firmly and tightly fixed on the bearing disc 5 by applying a vertical downward force to the diamond saw blade by the pressing disc 8, and wherein

[0030] The detection box 2 is provided with a flaw detection mechanism 12 for detecting the welding defects of the diamond tool bit, and is provided with a strength detection mechanism 13 for detecting the welding strength of the diamond tool bit. The flaw detection mechanism 12 and the strength detection mechanism 13 are distributed on the left and right sides of the fixed seat 22. The flaw detection mechanism 12 comprises a first electric guide rail 121, a first electric sliding seat 122, a first electric telescopic rod 123, a first mounting plate 124 and a weld ultrasonic flaw detector 125. The first electric guide rail 121 is fixedly installed on the top inner wall of the detection box 2 and located on the left side of the fixed seat 22. The first electric sliding seat 122 is slidingly installed on the first electric guide rail 121. The first electric telescopic rod 123 is fixedly installed on the bottom of the first electric sliding seat 122. The first mounting plate 124 is fixedly installed on the output shaft end of the first electric telescopic rod 123. The weld ultrasonic flaw detector 125 is detachably fixedly installed on the bottom of the first mounting plate 124. The bottom of the weld ultrasonic flaw detector 125 is electrically connected with a flaw detection probe 126. The height position of the weld ultrasonic flaw detector 125 and the flaw detection probe 126 can be adjusted by the telescopic characteristics of the first electric telescopic rod 123. The weld ultrasonic flaw detector 125 and the flaw detection probe 126 can be used for flaw detection of the welding position of the diamond tool bit and the diamond saw blade, so as to judge whether the welding position has cracks, inclusions, pores, incomplete penetration, incomplete fusion and other phenomena. The horizontal position of the weld ultrasonic flaw detector 125 can be adjusted by the sliding connection of the first electric sliding seat 122 on the first electric guide rail 121, so as to be suitable for flaw detection of the diamond tool bit welded on the diamond saw blade of different sizes. The strength detection mechanism 13 comprises a second electric guide rail 131, a second electric sliding seat 132, a second hydraulic cylinder 133, a second mounting plate 134, a pressure sensor 135 and a detection pressure column 136. The second electric guide rail 131 is fixedly installed on the top inner wall of the detection box 2 and located on the right side of the fixed seat 22. The second electric sliding seat 132 is slidingly installed on the second electric guide rail 131. The second hydraulic cylinder 133 is fixedly installed on the bottom of the second electric sliding seat 132. The second mounting plate 134 is fixedly installed on the output shaft end of the second hydraulic cylinder 133. The pressure sensor 135 is detachably fixedly installed on the bottom of the second mounting plate 134. The detection pressure column 136 is fixedly installed on the bottom of the pressure sensor 135. The second mounting plate 134, the pressure sensor 135 and the detection pressure column 136 can be vertically lifted by the telescopic characteristics of the second hydraulic cylinder 133. The welding strength detection can be performed by the downward force applied to the diamond tool bit by the detection pressure column 136. The size of the downward force applied to the diamond tool bit by the detection pressure column 136 can be measured by the pressure sensor 135, so that whether the welding strength of the diamond tool bit meets the standard can be detected. The horizontal position of the detection pressure column 136 can be adjusted by the sliding connection of the second electric sliding seat 132 on the second electric guide rail 131.Further suitable for the welding strength detection of the diamond tool bit welded on the diamond saw blade of different sizes, the detection box 2 is further provided with a driving mechanism for controlling the rotation of the column 4, the driving mechanism comprising a motor 14, a main gear 15 and a secondary gear 16, the motor 14 being fixedly installed on the inner wall of the bottom of the detection box 2, the main gear 15 being fixedly installed on the output shaft end of the motor 14, the secondary gear 16 being fixedly installed on the column 4, the main gear 15 being engaged with the secondary gear 16, the rotation of the main gear 15 being controllable by the motor 14, the rotation of the column 4 being controllable by the meshing transmission action of the main gear 15 and the secondary gear 16, and the horizontally rotating adjustment of the tightly fixed diamond saw blade being controllable, so as to facilitate the flaw detection and welding strength detection of all the diamond tool bits welded on the outer circular edge of the diamond saw blade, and improve the accuracy of the detection result, it should be noted that the motor 14 is a reversible low-speed motor.

[0031] In the embodiment, in order to improve the stability and reliability of the diamond saw blade during the pressing and fixing, a first anti-skid pad 9 is fixedly installed on the top of the bearing disc 5, and a second anti-skid pad 10 is fixedly installed on the bottom of the pressing disc 8.

[0032] In the embodiment, in order to accurately position the position of the diamond saw blade placed on the bearing disc 5, a positioning pin 11 is fixedly installed at the top center position of the bearing disc 5, the top end of the positioning pin 11 penetrates the first anti-skid pad 9, it should be noted that the height dimension of the positioning pin 11 exposed above the first anti-skid pad 9 is set to 0.3-0.5mm, when the diamond saw blade is placed on the bearing disc 5, the top end of the positioning pin 11 only inserts into the circular hole in the center of the diamond saw blade, and does not penetrate the circular hole in the center of the diamond saw blade, so that the pressing disc can effectively press and fix the diamond saw blade.

[0033] In the embodiment, in order to isolate and protect the motor 14, the main gear 15 and the secondary gear 16, a barrier plate 17 is fixedly installed between the main gear 15 and the bearing disc 5 in the detection box 2, an avoiding hole is formed in the top of the barrier plate 17, and the top end of the column 4 penetrates the avoiding hole.

[0034] In the embodiment, the top of the barrier plate 17 is fixedly installed with a pad seat 18 located on the right side of the column 4, the top of the pad seat 18 is fixedly installed with a second electric telescopic rod 19, and the output shaft end of the second electric telescopic rod 19 is fixedly installed with a support seat 20, the horizontally linear movement of the support seat 20 is controllable by the telescopic feature of the second electric telescopic rod 19, and the diamond saw blade is supported by the support seat 20, and the deformation of the diamond saw blade is effectively prevented during the welding strength detection of the diamond tool bit.

[0035] In this embodiment, in order to ensure that the top surface of the support seat 20 is in effective contact with the bottom surface of the diamond saw blade, the bottom of the support seat 20 is in sliding contact with the top of the baffle plate 17, and the top of the support seat 20 is flush with the top of the first non-slip pad 9.

[0036] In this embodiment, a controller 21 is fixedly installed on the left outer wall of the detection box 2, and a display screen and a plurality of control buttons are installed on the controller 21.

[0037] In this embodiment, the first hydraulic cylinder 6, the first electric guide rail 121, the first electric sliding seat 122, the first electric telescopic rod 123, the weld ultrasonic flaw detector 125, the second electric guide rail 131, the second electric sliding seat 132, the second hydraulic cylinder 133, the pressure sensor 135, the motor 14 and the second electric telescopic rod 19 can be obtained on the market, and the first hydraulic cylinder 6, the first electric guide rail 121, the first electric sliding seat 122, the first electric telescopic rod 123, the weld ultrasonic flaw detector 125, the second electric guide rail 131, the second electric sliding seat 132, the second hydraulic cylinder 133, the pressure sensor 135, the motor 14, the second electric telescopic rod 19 are electrically connected with the controller 21, the display screen can be used to display the data value detected by the weld ultrasonic flaw detector 125, and also can be used to display the number value of the pressure sensor 135, and the plurality of control buttons can be respectively used to control the power-on operation of the first hydraulic cylinder 6, the first electric guide rail 121, the first electric sliding seat 122, the first electric telescopic rod 123, the weld ultrasonic flaw detector 125, the second electric guide rail 131, the second electric sliding seat 132, the second hydraulic cylinder 133, the pressure sensor 135, the motor 14 and the second electric telescopic rod 19.

[0038] Through the above structure, the detection device for the welding strength of the diamond tool bit provided by the present application can not only detect the welding position of the diamond tool bit, but also detect the welding strength of the diamond tool bit during use, which is simple and convenient to operate, improves the work efficiency and the accuracy of the detection result, and is suitable for detecting the welding position and the welding strength of the diamond tool bit welded on the diamond saw blade of different sizes, thereby increasing the application range and being good in practicability.

[0039] In specific operation, the diamond saw blade with the welded diamond tool bit is placed on the first non-slip pad 9 on the bearing disc 5, the positioning pin 11 is inserted into the circular hole in the center of the diamond saw blade, and then the first hydraulic cylinder 6 is controlled to extend and operate, so that the second shaft seat 7 and the pressure plate 8 vertically descend, and the vertical downward force applied to the diamond saw blade by the pressure plate 8 can firmly and tightly fix the diamond saw blade on the bearing disc 5.

[0040] After the diamond saw blade is pressed tightly, according to the size of the diameter of the diamond saw blade, first control the first electric sliding seat 122 to slide horizontally and linearly on the first electric guide rail 121, that is, the flaw detection probe 126 can be adjusted to align the diamond tool bit welded on the outer edge of the diamond saw blade, then control the first electric telescopic rod 123 to extend and operate, the flaw detection probe 126 can be adjusted downward to keep a proper distance with the diamond tool bit, then turn on the weld ultrasonic flaw detector 125 to operate, the welded part of the diamond tool bit and the diamond saw blade can be detected to determine whether there are cracks, inclusions, pores, incomplete penetration, incomplete fusion and other phenomena, by controlling the motor 14 to rotate forward or reverse, the main gear 15 can be controlled to rotate, the main gear 15 drives the secondary gear 16, the column 4, the bearing disc 5, the pressure plate 8 and the tightly pressed diamond saw blade to rotate slowly and horizontally, the flaw detection of all diamond tool bits welded on the outer edge of the diamond saw blade can be performed, and the accuracy of the detection result can be improved, after the flaw detection operation is completed, the weld ultrasonic flaw detector 125 is turned off, and the first electric telescopic rod 123 is controlled to retract and reset, the weld ultrasonic flaw detector 125 can be adjusted upward to the original position;

[0041] When it is found that the welded part of the diamond tool bit has cracks, inclusions, pores, incomplete penetration, incomplete fusion and other phenomena, it indicates that the welding quality is not up to standard, and subsequent welding strength detection is not needed.

[0042] When it is found that the welded part of the diamond tool bit has no cracks, inclusions, pores, incomplete penetration, incomplete fusion and other phenomena, the welding strength detection of the diamond tool bit can be performed, according to the size of the diameter of the diamond saw blade, first control the second electric sliding seat 132 to slide horizontally and linearly on the second electric guide rail 131, that is, the detection pressure column 136 can be adjusted to align the diamond tool bit welded on the outer edge of the diamond saw blade, then control the second electric telescopic rod 19 to extend and operate, the support seat 20 can be adjusted horizontally to be close to the outer edge of the diamond saw blade and ensure that the support seat 20 does not move to contact the diamond tool bit, then turn on the pressure sensor 135, and control the second hydraulic cylinder 133 to extend and operate, the detection pressure column 136 moves downward to contact the diamond tool bit and apply pressure upward, the welding strength detection of the diamond tool bit can be performed, the detection data can be displayed on the display screen, after the strength detection of the diamond tool bit is completed, the second hydraulic cylinder 133 is controlled to retract and reset, when the next diamond tool bit is rotated to be directly below the detection pressure column 136, the motor 14 is stopped, then the second hydraulic cylinder 133 is controlled to extend and operate, the welding strength detection of the diamond tool bit can be continued, according to the above operation steps, the welding strength detection of all diamond tool bits welded on the outer edge of the diamond saw blade can be performed in turn, and the accuracy of the detection result can be improved;

[0043] After the welding strength detection is completed, the first hydraulic cylinder 6 is controlled to retract and reset, so that the pressure fixing of the diamond saw blade is released, and the diamond saw blade can be removed.

Claims

1. A device for detecting the welding strength of a diamond tip, characterized by, The utility model relates to a kind of diamond tool welding quality detection device, including detection platform (1) and the detection box (2) of installation fixed in the top of detection platform (1), the front side of the detection box (2) is open configuration, first axle seat (3) is fixedly installed on the bottom inner wall of the detection box (2), vertical column (4) is rotatably installed on the top of first axle seat (3), load plate (5) is fixedly installed on the top end of vertical column (4), fixed seat (22) is fixedly installed on the top inner wall of the detection box (2), first hydraulic cylinder (6) is fixedly installed on the bottom of fixed seat (22), second axle seat (7) is rotatably installed on the output shaft end of first hydraulic cylinder (6), pressure disc (8) is fixedly installed on the bottom of second axle seat (7), the pressure disc (8) is located just above load plate (5), flaw detection mechanism (12) for detecting the welding defect of diamond tool bit is arranged in the detection box (2), strength detection mechanism (13) for detecting the welding strength of diamond tool bit is arranged in the detection box (2), flaw detection mechanism (12) and strength detection mechanism (13) are distributed on the left and right sides of fixed seat (22), drive mechanism for controlling the rotation of vertical column (4) is further arranged in the detection box (2).

2. The device for detecting the welding strength of a diamond tool bit according to claim 1, wherein: First anti-skid pad (9) is fixedly installed on the top of load plate (5), second anti-skid pad (10) is fixedly installed on the bottom of pressure disc (8).

3. A device for testing the strength of a weld of a diamond tip as claimed in claim 2, characterized in that: Positioning pin (11) is fixedly installed on the top center position of load plate (5), the top end of positioning pin (11) penetrates first anti-skid pad (9).

4. The device for detecting the welding strength of a diamond tool bit according to claim 1, wherein: Flaw detection mechanism (12) includes first electric guide rail (121), first electric sliding seat (122), first electric telescopic rod (123), first mounting plate (124) and weld ultrasonic flaw detector (125), first electric guide rail (121) is fixedly installed on the top inner wall of the detection box (2) and located on the left side of fixed seat (22), first electric sliding seat (122) is slidably installed on first electric guide rail (121), first electric telescopic rod (123) is fixedly installed on the bottom of first electric sliding seat (122), first mounting plate (124) is fixedly installed on the output shaft end of first electric telescopic rod (123), weld ultrasonic flaw detector (125) is detachably fixedly installed on the bottom of first mounting plate (124), flaw detection probe (126) is electrically connected to the bottom of weld ultrasonic flaw detector (125).

5. The device for testing the welding strength of a diamond tool bit according to claim 1, wherein: The strength detection mechanism (13) comprises a second electric guide rail (131), a second electric sliding seat (132), a second hydraulic cylinder (133), a second mounting plate (134), a pressure sensor (135) and a detection pressure column (136), the second electric guide rail (131) is fixedly installed on the top inner wall of the detection box (2) and located at the right side of the fixed seat (22), the second electric sliding seat (132) is slidingly installed on the second electric guide rail (131), the second hydraulic cylinder (133) is fixedly installed on the bottom of the second electric sliding seat (132), the second mounting plate (134) is fixedly installed on the output shaft end of the second hydraulic cylinder (133), the pressure sensor (135) is detachably fixedly installed on the bottom of the second mounting plate (134), and the detection pressure column (136) is fixedly installed on the bottom of the pressure sensor (135).

6. The apparatus for detecting the welding strength of a diamond tool bit according to claim 3, wherein: The driving mechanism comprises a motor (14), a main gear (15) and a secondary gear (16), the motor (14) is fixedly installed on the bottom inner wall of the detection box (2), the main gear (15) is fixedly installed on the output shaft end of the motor (14), and the secondary gear (16) is fixedly sleeved on the stand column (4), and the main gear (15) is engaged with the secondary gear (16).

7. A device for testing the strength of a weld of a diamond tip as claimed in claim 6, characterized in that: The detection box (2) is fixedly installed with a blocking plate (17) between the main gear (15) and the bearing disc (5), the top of the blocking plate (17) is provided with an avoiding hole, and the top end of the stand column (4) penetrates through the avoiding hole.

8. The apparatus for detecting the welding strength of a diamond tool bit according to claim 7, wherein: The top of the blocking plate (17) is fixedly installed with a pad seat (18) located at the right side of the stand column (4), the top of the pad seat (18) is fixedly installed with a second electric telescopic rod (19), and the output shaft end of the second electric telescopic rod (19) is fixedly installed with a supporting seat (20).

9. The apparatus for detecting the welding strength of a diamond tool bit according to claim 8, wherein: The bottom of the supporting seat (20) is in sliding contact with the top of the blocking plate (17), and the top of the supporting seat (20) is flush with the top of the first anti-skid pad (9).

10. The apparatus for detecting the welding strength of a diamond tool bit according to claim 1, wherein: A controller (21) is fixedly installed on the left outer wall of the detection box (2), and a display screen and a plurality of control buttons are installed on the controller (21).

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