Hardware detection jig convenient for replacing detection mold

Abstract

The utility model discloses a hardware detection jig convenient to replace a detection die. The hardware detection jig comprises a workbench, a die groove formed in the top of the workbench, and a placement groove formed in the workbench. The inner side of the mold groove is provided with a detection mold used for detecting the critical dimension of the hardware. The top of the workbench is provided with a plurality of clamping assemblies. When washers of different sizes are detected and detection dies of different specifications need to be replaced, through cooperation of the moving groove, the connecting block, the extrusion spring, the shifting block and the connecting piece, limiting of the detection die can be rapidly relieved, the detection die can be taken out from the inner side of the die groove and replaced only by holding the detection die to move upwards, and the detection efficiency is improved. Compared with a traditional detection die, a bolt or screw mounting and dismounting mode is utilized, a specific tool is not needed to be matched for dismounting and mounting in the replacement process, operation is easy and convenient, time and labor are saved, the working efficiency during detection is improved, and the labor intensity of operators can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring tools, in particular to a hardware detection jig which is convenient for replacing detection molds. Background Art

[0002] In the field of hardware processing and assembly, washers, as an important auxiliary connection component, are widely used in various mechanical equipment and product structures. Their main function is to separate and protect the surfaces of the connected parts from friction damage caused by direct tightening of the nuts, and effectively disperse the pressure exerted by the nuts on the connected parts to ensure the stability and durability of the connection.

[0003] After the production of gasket products, the key dimensions of the gasket, such as the outer diameter, inner diameter and thickness, need to be inspected. In the existing technology, there are some jigs for gasket inspection. In order to meet the diverse inspection needs, companies often equip a variety of inspection molds of different specifications. However, traditional inspection molds are often installed on the jig using multiple bolts or screws. When dealing with the inspection of gaskets of different sizes, the replacement process of the inspection mold requires specific tools. At the same time, the operation is not convenient and time-consuming, which not only reduces the inspection efficiency but also increases the labor intensity of the operator. Summary of the Invention

[0004] The utility model overcomes the shortcomings of the prior art and provides a hardware inspection fixture which is convenient for replacing the inspection mold.

[0005] To achieve the above-mentioned object, the technical solution adopted by the present invention is as follows: a hardware inspection jig that facilitates the replacement of inspection molds, comprising: a workbench, a mold slot provided on the top of the workbench, and a placement slot provided inside the workbench; an inspection mold for inspecting key dimensions of hardware is provided inside the mold slot, and a plurality of clamping components are provided on the top of the workbench;

[0006] The clamping assembly includes: a movable groove provided on the top of the workbench, a connecting block clamped inside the movable groove, and an extrusion spring fixed between one end of the connecting block and the inner side of the movable groove; a shift block is fixed on the top of the connecting block, the top of the shift block is located on the top of the workbench, and the inner side of the movable groove is connected to the inner side of the mold groove;

[0007] A connecting piece for connecting and limiting the detection mold is provided between the detection mold and the connecting block, and an ejector mechanism for ejecting hardware in the detection mold is provided on the inner side of the placement groove.

[0008] In a preferred embodiment of the present invention, the connecting part includes: a connecting groove opened on the top of the workbench, and several conical blocks fixed on the side of the detection mold; the connecting groove is located between the mold groove and the movable groove, and are interconnected; the end of the connecting block located inside the connecting groove is conical, and the right-angled side of the bottom overlaps the right-angled side of the top of the conical block; the inclination direction of the conical inclined edge of the connecting block and the inclined edge of the conical block are both toward the bottom of the connecting groove.

[0009] In a preferred embodiment of the present invention, the connecting piece includes: a plurality of card slots opened on the side of the detection mold; one end of the connecting block is clamped on the inner side of the card slot, and the cross-sectional shape and size of one end of the connecting block are the same as the cross-sectional shape and size of the card slot.

[0010] In a preferred embodiment of the present invention, a detection groove is provided on the top of the detection mold, a positioning column is fixed on the inner side of the detection groove, and a plurality of through holes are provided on the inner bottom of the detection groove.

[0011] In a preferred embodiment of the present invention, a detection area is formed between the detection groove and the positioning column, and the shape and size of the detection area are the same as those of the hardware.

[0012] In a preferred embodiment of the present invention, the ejector mechanism includes: a connecting plate arranged on the inner side of the placement groove, a plurality of ejector posts fixed on the top of the connecting plate, and a telescopic rod fixed between the top of the connecting plate and the inner side of the placement groove; a plurality of the ejector posts extend through the inner sides of a plurality of the through holes, a return spring is sleeved on the side of the telescopic rod, one end of the return spring is fixed to the top of the connecting plate, and the other end is fixed to the inner side of the placement groove, and a lifting component for driving the connecting plate to move up and down is provided at the bottom of the connecting plate.

[0013] In a preferred embodiment of the present invention, the lifting assembly includes: a hinged plate fixed to the bottom of the connecting plate, a pressure rod hinged to the inner side of the hinged plate, and a movable groove opened on the front side of the workbench; one end of the pressure rod passes through the movable groove to the front side of the workbench, and a sliding limiter is provided between the pressure rod and the movable groove to provide a connection point for the pressure rod.

[0014] In a preferred embodiment of the present invention, the sliding limiter comprises: a key slot provided on a side surface of the pressure rod, and a fixing rod fixed on an inner side of the movable slot; the side surface of the fixing rod is located on an inner side of the key slot.

[0015] In a preferred embodiment of the present invention, a placement plate is provided on one side of the workbench, a support groove is provided on the top of the workbench, a bending plate is fixed on one side of the placement plate, the bottom of the bending plate is clamped on the inner side of the support groove, and an M-shaped partition is fixed on the top of the placement plate, and the M-shaped partition and the top of the placement plate form a to-be-tested area and a post-test area.

[0016] In a preferred embodiment of the present invention, a plurality of mounting blocks are fixed to the side surface of the workbench close to the bottom, and mounting holes are formed on the tops of the mounting blocks.

[0017] The present invention solves the defects in the background technology and has the following beneficial effects:

[0018] (1) The utility model provides a hardware inspection fixture that is convenient for replacing the inspection mold. By arranging a clamping assembly on the top of the workbench, when dealing with the inspection of washers of different sizes and needing to replace inspection molds of different specifications, the limit on the inspection mold can be quickly released through the cooperation of the moving groove, connecting block, extrusion spring, shift block and connecting piece. The inspection mold can be taken out from the inner side of the mold groove and replaced by simply holding the inspection mold and moving it upward. Compared with the traditional inspection mold, the installation and disassembly method using bolts or screws does not require special tools for disassembly and disassembly during the replacement process. The operation is simple and convenient, which not only saves time and effort, but also improves the work efficiency during inspection and helps reduce the labor intensity of operators.

[0019] (2) In the present invention, a detection mold is set on the inner side of the mold groove. When the size of the gasket is detected, the gasket is placed in the detection area with the cooperation of the detection mold, the detection groove, the positioning column and the top column. The key dimensions of the outer diameter, inner diameter and thickness of the gasket can be quickly detected. With the cooperation of the lifting component and the connecting component, the connecting plate and several top columns can be driven upward to lift the gasket in the detection groove for the detection of the next gasket, so that it can cope with the rapid measurement of a large number of gaskets to be detected, unify the size specifications of the detection mold, avoid the influence of human factors, and cause inaccurate measurement results. It can meet the needs of efficient and rapid detection, help improve production efficiency, and effectively reduce labor costs.

[0020] (3) In the present invention, a placement plate is provided on one side of the workbench. When the gaskets need to be inspected in batches, the cooperation of the bending plate, the support groove and the M-shaped partition plate can form a waiting area and a post-test area respectively. Gaskets whose sizes have not been inspected can be placed in the waiting area, and gaskets after inspection can be placed in the post-test area. This can avoid confusion between gaskets that have not been inspected and gaskets that have been inspected, making it easier for staff to distinguish between gaskets and helping to improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0022] Figure 1 This is a three-dimensional structural diagram of Example 1 of the present utility model;

[0023] Figure 2 This is a half-section front view of the entire embodiment 1 of the present invention and a partial enlarged view thereof;

[0024] Figure 3 This is a side half-section view of the embodiment 1 of the present invention;

[0025] Figure 4 This is a half-section front view of the entire embodiment 2 of the present invention and a partial enlarged view thereof;

[0026] In the figure: 1. Workbench; 11. Mold slot; 12. Placement slot; 2. Inspection mold; 21. Inspection slot; 22. Through hole; 3. Moving slot; 31. Connecting block; 32. Extrusion spring; 33. Shifting block; 4. Connecting slot; 41. Cone block; 5. Card slot; 6. Connecting plate; 61. Top column; 62. Telescopic rod; 63. Return spring; 7. Hinge plate; 71. Press rod; 72. Movable slot; 73. Key slot; 74. Fixed rod; 8. Placement plate; 81. Support slot; 82. Bending plate; 83. M-shaped partition; 9. Mounting block; 91. Mounting hole. DETAILED DESCRIPTION

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show components related to the present invention.

[0028] It should be noted that the hardware inspection fixture is preferably suitable for dimensional inspection of washers.

[0029] Example 1

[0030] like Figure 1 and Figure 2As shown, a hardware inspection fixture that is convenient for replacing the inspection mold 2 includes: a workbench 1, a mold groove 11 opened on the top of the workbench 1, and a placement groove 12 opened inside the workbench 1; an inspection mold 2 for inspecting the key dimensions of hardware is provided on the inner side of the mold groove 11, and a plurality of clamping components are provided on the top of the workbench 1; the clamping components include: a movable groove 3 opened on the top of the workbench 1, a connecting block 31 clamped on the inner side of the movable groove 3, and an extrusion spring 32 fixed between one end of the connecting block 31 and the inner side of the movable groove 3; a shift block 33 is fixed on the top of the connecting block 31, the top of the shift block 33 is located at the top of the workbench 1, and the inner side of the movable groove 3 is connected with the inner side of the mold groove 11; a connector for connecting and limiting the inspection mold 2 is provided between the inspection mold 2 and the connecting block 31, and a pin mechanism for ejecting the hardware in the inspection mold 2 is provided on the inner side of the placement groove 12.

[0031] The connecting parts include: a connecting groove 4 opened on the top of the workbench 1, and several conical blocks 41 fixed on the side of the detection mold 2; the connecting groove 4 is located between the mold groove 11 and the movable groove 3, and are interconnected; the end of the connecting block 31 located inside the connecting groove 4 is conical, and the right-angled side of the bottom overlaps the right-angled side of the top of the conical block 41; the inclination direction of the conical inclined edge of the connecting block 31 and the inclined edge of the conical block 41 are both toward the bottom of the connecting groove 4.

[0032] It should be noted that the shape and size of the detection mold 2 are the same as those of the mold groove 11; the cross-sectional shape of the movable groove 3 is convex; the cones at one end of the cone block 41 and the connecting block 31 are preferably isosceles right triangles; when installing the detection mold 2, align the detection mold 2 with the mold groove 11 on the top of the workbench 1, and align the cone block 41 on the side of the detection mold 2 with the connecting groove 4 on the top of the workbench 1, press down the detection mold 2, and the cone block 41 will move down into the connecting groove 4, which can make the bottom of the cone block 41 tilted. The beveled edge contacts the inclined edge of the conical end of the connecting block 31. After continuously applying downward pressure, the conical block 41 will squeeze one end of the connecting block 31, causing the connecting block 31 to move toward the inner side of the movable groove 3 and squeeze the extrusion spring 32 on one side of the connecting block 31. When the detection mold 2 and the conical block 41 move to the bottom of the mold groove 11 and the connecting groove 4 respectively, the conical block 41 will be released from squeezing the conical end of the connecting block 31, and the squeezing spring 32 will provide a reset thrust, driving the conical end of the connecting block 31 to reset to the inner side of the connecting groove 4. The cam 32 is pressed against the top of the cam 33 to release the cam 33 from the engagement of the cam 31 with the engagement of the cam 32. The cam 32 is pressed against the top of the cam 33 to release the cam 33 from the engagement of the cam 31. The cam 32 is pressed against the top of the cam 33 to release the cam 33 from the engagement of the cam 31.

[0033] like Figure 1 and Figure 2 As shown, in this embodiment, a detection groove 21 is opened on the top of the detection mold 2, a positioning column is fixed on the inner side of the detection groove 21, and a plurality of through holes 22 are opened on the inner bottom of the detection groove 21.

[0034] It should be noted that a detection area is formed between the detection groove 21 and the positioning column, and the shape and size of the detection area are the same as those of the hardware; a number of through holes 22 are evenly distributed circumferentially on the inner bottom of the detection groove 21; when the gasket is subjected to size detection, the gasket is placed in the detection area, the inner side of the gasket will contact the side of the positioning column, and the outer side will contact the inner side of the detection groove 21, and the fit between the inner side of the gasket and the side of the positioning column, and the fit between the outer side and the inner side of the detection groove 21 are observed in turn. The key dimensions of the outer diameter and inner diameter of the gasket can be quickly detected, so that it can cope with the rapid measurement of large batches of gaskets to be detected, unify the size specifications of the detection mold 2, avoid the influence of human factors, and cause inaccurate measurement results, thereby meeting the needs of efficient and rapid detection, helping to improve production efficiency, and effectively reducing labor costs.

[0035] like Figure 2 As shown, in this embodiment, the ejector mechanism includes: a connecting plate 6 arranged on the inner side of the placement groove 12, a plurality of ejector posts 61 fixed on the top of the connecting plate 6, and a telescopic rod 62 fixed between the top of the connecting plate 6 and the inner side of the placement groove 12; the plurality of ejector posts 61 pass through the inner side of the plurality of through holes 22, and a return spring 63 is sleeved on the side of the telescopic rod 62, one end of the return spring 63 is fixed to the top of the connecting plate 6, and the other end is fixed to the inner side of the placement groove 12, and a lifting component for driving the connecting plate 6 to move up and down is provided at the bottom of the connecting plate 6.

[0036] It should be noted that the distribution, number and size of the top posts 61 are the same as those of the through holes 22; when the gasket is located in the detection groove 21 for detection, the bottom of the gasket will be placed on the top of several top posts 61, and the flushness of the top of the gasket and the top of the detection mold 2 can be observed, and the thickness of the gasket can be measured. After the detection is completed, with the cooperation of the lifting assembly, the connecting plate 6 and several top posts 61 can be driven upward. When the connecting plate 6 moves upward, it will squeeze the telescopic rod 62 upward to contract. At the same time, the reset spring 63 will be subjected to the upward extrusion force, which can lift the gasket in the detection groove 21 for the next gasket detection. When the upward force applied to the connecting plate 6 is cancelled, the reset spring 63 will reset and push the telescopic rod 62 to extend and reset, and at the same time push the connecting plate 6 back to the position before moving upward, further driving several top posts 61 to reset to the original height inside the detection groove 21, thereby ensuring the reset effect after detection.

[0037] like Figure 2 and Figure 3As shown, in this embodiment, the lifting assembly includes: a hinged plate 7 fixed to the bottom of the connecting plate 6, a pressure rod 71 hinged to the inner side of the hinged plate 7, and a movable groove 72 opened on the front side of the workbench 1; one end of the pressure rod 71 passes through the movable groove 72 to the front side of the workbench 1, and a sliding limiter is provided between the pressure rod 71 and the movable groove 72 to provide a connection point for the pressure rod 71.

[0038] It should be noted that when it is necessary to drive the connecting plate 6 to move up and down and use the several top columns 61 to push out the gasket, manually press down the pressure rod 71 on the front end of the workbench 1. Through the cooperation of the sliding limiter, a connection point can be provided for the pressure rod 71, and then the end of the pressure rod 71 located inside the placement groove 12 will be tilted upward. Through the hinge connection of one end of the pressure rod 71 and the hinged plate 7 at the bottom of the connecting plate 6, the connecting plate 6 can be driven to move upward synchronously, so that the gasket can be lifted and taken out by using the several top columns 61, which helps to improve the operability during detection.

[0039] In this embodiment, the sliding limiter includes a key slot 73 formed on a side surface of the pressure rod 71 and a fixed rod 74 fixed inside the movable slot 72 ; the side surface of the fixed rod 74 is located inside the key slot 73 .

[0040] It should be noted that the length of the key slot 73 is greater than the width of the fixed rod 74, which facilitates the key slot 73 to slide on the side of the fixed rod 74; when pressing the pressure rod 71, since the inner side of the key slot 73 on the side of the pressure rod 71 is located on the side of the fixed rod 74, a connection point can be provided when the pressure rod 71 is pressed, making it convenient to use the lever principle to make one end of the pressure rod 71 tilt up and down.

[0041] like Figure 3 As shown, in this embodiment, a placement plate 8 is provided on one side of the workbench 1, a support groove 81 is opened on the top of the workbench 1, a bending plate 82 is fixed on one side of the placement plate 8, the bottom of the bending plate 82 is clamped on the inner side of the support groove 81, and an M-shaped partition 83 is fixed on the top of the placement plate 8. The M-shaped partition 83 and the top of the placement plate 8 form a to-be-tested area and a post-test area.

[0042] It should be noted that the length and width of the bending plate 82 are the same as the length and width of the support groove 81; when the gaskets need to be inspected in batches, the bending plate 82 on one side of the placement plate 8 is clamped in the support groove 81 on the top of the workbench 1, and the M-shaped partition 83 on the top of the placement plate 8 is used to form a waiting area and a post-test area respectively. The gaskets whose sizes have not been inspected can be placed in the waiting area, and the gaskets after inspection can be placed in the post-test area, thereby avoiding confusion between uninspected and inspected gaskets, making it easier for staff to distinguish between gaskets, and helping to improve the practicality of the device.

[0043] In this embodiment, a plurality of mounting blocks 9 are fixed to the side surface of the workbench 1 near the bottom, and a mounting hole 91 is provided on the top of the mounting block 9. By setting up a plurality of mounting blocks 9, when in use, the workbench 1 is placed in the work area, and the mounting holes 91 on the mounting blocks 9 are aligned with the holes in the work area. By using bolts and nuts or pins, the mounting blocks 9 and the workbench 1 can be detachably installed in the work area.

[0044] When this embodiment is used, the gasket is placed in the detection area, the bottom of the gasket will be placed on the top of the top pillars 61, the inner side will contact the side of the positioning pillar, and the outer side will contact the inner side of the detection groove 21. The flushness of the top of the gasket and the top of the detection mold 2, the fit of the inner side and the side of the positioning pillar, and the fit of the outer side and the inner side of the detection groove 21 are observed in turn. The key dimensions of the outer diameter, inner diameter and thickness of the gasket can be quickly detected. After the detection is completed, the pressure rod 71 is manually pressed down at one end of the front of the workbench 1. Since the pressure rod 71 The inner side of the key groove 73 on the side is located on the side of the fixing rod 74, which can provide a connection point when the pressure rod 71 is pressed, and then the end of the pressure rod 71 located in the placement groove 12 will tilt upward, and the connection plate 6 can be driven to move upward synchronously by the hinge connection of one end of the pressure rod 71 with the hinge plate 7 at the bottom of the connecting plate 6. When the connecting plate 6 moves upward, it will squeeze the telescopic rod 62 upward to shrink. At the same time, the return spring 63 will be subjected to the upward squeezing force, which can lift the washer in the detection groove 21 to detect the next washer. When the connection is cancelled, After the upward force applied by the connecting plate 6, the return spring 63 will reset and push the telescopic rod 62 to extend and reset, and at the same time push the connecting plate 6 back to the position before moving upward, further driving several top columns 61 to reset to their original height inside the detection groove 21, thereby ensuring the reset effect after detection. When dealing with gaskets of different sizes and needing to replace detection molds 2 of different specifications, the dial block 33 is driven to drive the connecting block 31 to move toward the inner side of the movable groove 3, and squeeze the extrusion spring 32 on one side of the connecting block 31, so that the conical end of the connecting block 31 can be separated from the inner side of the connecting groove 4 and enter the inner side of the movable groove 3, thereby releasing the limit of the detection mold 2 and the cone block 41, and only need to hold the detection mold 2 and move it upward to remove the detection mold 2 from the inner side of the mold groove 11 and replace it. Compared with the traditional detection mold 2, the installation and disassembly method using bolts or screws does not require special tools for disassembly and assembly during the replacement process. The operation is simple and convenient, which not only saves time and effort, but also improves the work efficiency during detection and helps to reduce the labor intensity of the operator.

[0045] Example 2

[0046] like Figure 4As shown, this embodiment is basically the same as embodiment 1, with the difference that: the connecting piece includes: a plurality of card slots 5 opened on the side of the detection mold 2; one end of the connecting block 31 is clamped on the inner side of the card slot 5, and the cross-sectional shape and size of one end of the connecting block 31 are the same as the cross-sectional shape and size of the card slot 5.

[0047] It should be noted that the number of the card slots 5 is the same as the number of the connecting blocks 31; when installing the detection mold 2, the dial block 33 is moved to drive the connecting block 31 to move toward the inner side of the movable groove 3, and the extrusion spring 32 on one side of the connecting block 31 is squeezed, so that the connecting block 31 can completely enter the inner side of the movable groove 3, align the detection mold 2 with the mold groove 11 on the top of the workbench 1, press the detection mold 2 downward, and move the detection mold 2 to the bottom of the mold groove 11. After the force applied to the dial block 33 is cancelled, the extrusion spring 32 will provide a reset thrust, driving one end of the connecting block 31 to enter the inner side of the card slot 5 on the side of the detection mold 2, and then the detection mold 2 can be clamped to the inner side of the mold groove 11. The cam 32 is pressed against the locking cam 33 and the locking cam 33 is pressed against the locking cam 33 so that the cam 31 is released from the locking cam 33 and the locking cam 33 is released.

[0048] The above description is based on the ideal embodiment of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes that fall within the meaning and range of equivalents of the claims are intended to be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0049] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A hardware inspection jig that is convenient for replacing inspection molds, characterized in that: include: A workbench (1), a mold groove (11) provided on the top of the workbench (1), and a placement groove (12) provided inside the workbench (1); a detection mold (2) for detecting key dimensions of hardware parts is provided inside the mold groove (11); and a plurality of clamping components are provided on the top of the workbench (1); The clamping assembly comprises: a movable groove (3) provided on the top of the workbench (1), a connecting block (31) clamped on the inner side of the movable groove (3), and an extrusion spring (32) fixed between one end of the connecting block (31) and the inner side of the movable groove (3); a shifting block (33) is fixed on the top of the connecting block (31), the top of the shifting block (33) is located on the top of the workbench (1), and the inner side of the movable groove (3) is connected to the inner side of the mold groove (11); A connecting piece for connecting and limiting the detection mold (2) is provided between the detection mold (2) and the connecting block (31), and an ejector mechanism for ejecting hardware in the detection mold (2) is provided on the inner side of the placement groove (12).

2. The hardware inspection jig for facilitating replacement of inspection molds according to claim 1, characterized in that: The connecting member comprises: a connecting groove (4) provided on the top of the workbench (1), and a plurality of conical blocks (41) fixed on the side of the detection mold (2); the connecting groove (4) is located between the mold groove (11) and the movable groove (3), and is interconnected; one end of the connecting block (31) located inside the connecting groove (4) is conical, and the right-angled side of the bottom overlaps the right-angled side of the top of the conical block (41); the inclination direction of the conical inclined side of the connecting block (31) and the inclined side of the conical block (41) are both toward the bottom of the connecting groove (4).

3. The hardware inspection jig for facilitating replacement of inspection molds according to claim 1, characterized in that: The connecting piece comprises: a plurality of card slots (5) provided on the side of the detection mold (2); one end of the connecting block (31) is card-connected to the inner side of the card slot (5); and the cross-sectional shape and size of the one end of the connecting block (31) are the same as the cross-sectional shape and size of the card slot (5).

4. The hardware inspection jig for facilitating replacement of inspection molds according to claim 1, characterized in that: A detection groove (21) is provided on the top of the detection mold (2), a positioning column is fixed on the inner side of the detection groove (21), and a plurality of through holes (22) are provided on the inner bottom of the detection groove (21).

5. The hardware inspection jig for facilitating replacement of inspection molds according to claim 4, characterized in that: A detection area is formed between the detection groove (21) and the positioning column, and the shape and size of the detection area are the same as those of the hardware.

6. The hardware inspection jig for facilitating replacement of inspection molds according to claim 4, characterized in that: The ejector mechanism comprises: a connecting plate (6) arranged on the inner side of the placement groove (12), a plurality of ejector posts (61) fixed on the top of the connecting plate (6), and a telescopic rod (62) fixed between the top of the connecting plate (6) and the inner side of the placement groove (12); the plurality of ejector posts (61) pass through the inner sides of the plurality of through holes (22), a return spring (63) is sleeved on the side of the telescopic rod (62), one end of the return spring (63) is fixed to the top of the connecting plate (6), and the other end is fixed to the inner side of the placement groove (12), and a lifting component for driving the connecting plate (6) to move up and down is provided at the bottom of the connecting plate (6).

7. The hardware inspection jig for facilitating replacement of inspection molds according to claim 6, characterized in that: The lifting assembly comprises: a hinged plate (7) fixed to the bottom of the connecting plate (6), a pressure rod (71) hinged to the inner side of the hinged plate (7), and a movable groove (72) provided on the front side of the workbench (1); one end of the pressure rod (71) passes through the movable groove (72) to the front side of the workbench (1), and a sliding limiter is provided between the pressure rod (71) and the movable groove (72) for providing a connection point for the pressure rod (71).

8. The hardware inspection jig for facilitating replacement of inspection molds according to claim 7, characterized in that: The sliding limiter comprises: a key slot (73) provided on the side of the pressure rod (71), and a fixed rod (74) fixed inside the movable slot (72); the side of the fixed rod (74) is located inside the key slot (73).

9. The hardware inspection jig for facilitating replacement of inspection molds according to claim 1, characterized in that: A placement plate (8) is provided on one side of the workbench (1), a support groove (81) is provided on the top of the workbench (1), a bending plate (82) is fixed on one side of the placement plate (8), the bottom of the bending plate (82) is clamped on the inner side of the support groove (81), an M-shaped partition (83) is fixed on the top of the placement plate (8), and the M-shaped partition (83) and the top of the placement plate (8) form a to-be-tested area and a post-test area.

10. The hardware inspection jig that facilitates replacement of inspection molds according to claim 1, characterized in that: A plurality of mounting blocks (9) are fixed to the side surface of the workbench (1) close to the bottom, and mounting holes (91) are provided on the tops of the mounting blocks (9).

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