CN212007056U

CN212007056U - Detection device is used in processing of electronic product paster

Info

Publication number: CN212007056U
Application number: CN202020639768.4U
Authority: CN
Inventors: 窦进军
Original assignee: Jiangsu Jiumao Precision Electronic Technology Co Ltd
Current assignee: Jiangsu Jiumao Precision Electronic Technology Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-11-24
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a detection device for processing electronic product paster, which belongs to the technical field of electronic processing, and comprises a base, a plurality of rubber pad feet are fixed on the upper surface of the base, a piece to be detected is supported on the rubber pad feet, the piece to be detected comprises a plastic piece and a rubber pad, a plurality of correspondingly arranged mounting holes are arranged on the plastic piece and the rubber pad, an upper base with a hollow structure is arranged right above the base, a plurality of support rods are inserted in the upper base, the support rods and the mounting holes are arranged in a one-to-one correspondence manner, the bottom end of each support rod is connected with a circular plate, the lower surface of each circular plate is connected with a detection rod, the position of the mounting hole on the plastic piece can be automatically detected, whether the position of the mounting hole is deviated or whether burrs exist in the mounting hole or not is detected, the detection result is accurate, need not the manual work and detect, great improvement the detection efficiency of paster plastic part, and the simple structure of whole device, with low costs.

Description

Detection device is used in processing of electronic product paster

Technical Field

The utility model relates to an electron processing technology field, more specifically say, relate to a detection device is used in processing of electronic product paster.

Background

The electronic product is a related product based on electric energy, and mainly comprises: watches, smart phones, telephones, televisions, video disc players, video recorders, camcorders, radios, radio cassettes, combination speakers, compact disc players, computers, game consoles, mobile communication products, and the like. The electronic products are developed most rapidly in the twentieth century and are applied most widely, and become an important mark for the development of modern science and technology. The first generation of electronic products have electronic tubes as the core. The first semiconductor triode comes out in the world in the end of the forty years, has the characteristics of small size, light weight, electricity saving, long service life and the like, is rapidly applied by various countries, and replaces an electron tube in a large range. In the last fifties, the world appeared the first integrated circuit, which integrated many electronic components such as transistors on a silicon chip, and made the electronic products more compact. The integrated circuit is rapidly developed from a small-scale integrated circuit to a large-scale integrated circuit and a very large-scale integrated circuit, so that the electronic product is developed towards the directions of high efficiency, low consumption, high precision, high stability and intellectualization.

In carrying out the electronic product production process, need carry out the paster with the rubber pad attached on frame construction's plastic part, all be equipped with a plurality of mounting holes on rubber pad and the plastic part, when carrying out the paster, make the mounting hole alignment on rubber pad and the plastic part bond, utilize the mounting hole to install the location when using, therefore the position of mounting hole must guarantee the accuracy, consequently need detect the mounting hole after the paster is accomplished, current plastic part detection method is artifical naked eye observation or detects with the instrument, this kind of detection mode not only the result is inaccurate, and monitoring efficiency is low.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a detection device is used in processing of electronic product paster can realize that automatic position to mounting hole on the plastic part detects, whether skew appears in the position that detects the mounting hole or whether the mounting hole is inside to have the burr, and the testing result is accurate, need not the manual work and detects, great improvement the detection efficiency of paster plastic part, and the simple structure of whole device, with low costs.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A detection device for processing electronic product patches comprises a base, wherein a plurality of rubber pad feet are fixed on the upper surface of the base, a piece to be detected is supported on the rubber pad feet, the piece to be detected comprises a plastic part and a rubber pad, the plastic part and the rubber pad are connected in an adhesive manner, a plurality of correspondingly arranged mounting holes are formed in the plastic part and the rubber pad, lifting assemblies are arranged at four corners of the upper surface of the base, an upper base with a hollow structure is arranged right above the base, the lifting output ends of the lifting assemblies are fixed at four corners of the lower surface of the upper base, a plurality of support rods are inserted in the upper base, the support rods and the mounting holes are arranged in a one-to-one correspondence manner, the support rods penetrate through the lower side wall of the upper base, circular plates are connected to the bottom ends of the support rods, and detection rods are connected to the lower surfaces of the circular plates, the detection rod, the circular plate and the supporting rod are coaxially arranged, the circular plate is symmetrically inserted with two limiting rods, the top ends of the limiting rods are fixed to the lower surface of the upper base, the limiting rods are located on the outer wall of one end between the circular plate and the upper base, springs are sleeved on the outer wall of one end, located between the circular plate and the upper base, of the limiting rods, each first conducting strip is connected to the top end of the supporting rod, a plurality of mounting columns which are arranged corresponding to the supporting rods are inserted on the upper side of the upper base, alarm lamp beads are fixed to the top ends of the mounting columns, each second conducting strip is fixed to the bottom end of each mounting column, the second conducting strips are located inside the upper base, a built-in power supply is arranged inside the supporting rods, and the built. The utility model discloses can realize that automatic position to mounting hole on the plastic part detects, whether skew appears in the position that detects the mounting hole or whether the inside burr that exists of mounting hole, the testing result is accurate, need not the manual work and detects, great improvement the detection efficiency of paster plastic part, and the simple structure of whole device, with low costs.

Further, the outer diameter of the detection rod is in clearance fit with the positioning hole, the length of the detection rod is larger than the height of the to-be-detected part, and the detection rod is a rubber rod. The length of detecting the stick is greater than the height of waiting to detect the piece, can make inside the detecting stick inserts completely to wait to detect the piece, guarantees the accuracy of testing result, and the detecting stick of rubber material can avoid treating the mechanical damage that detects the piece extrusion and cause.

Furthermore, the lifting component is a small-sized cylinder or an electric push rod, and a lifting switch for controlling the four lifting components to synchronously lift is arranged on the side wall of the base. Synchronous lifting control can be carried out on the four lifting assemblies through the lifting switch, and the phenomenon that the lifting assemblies incline is avoided from affecting the accuracy of detection results.

Furthermore, two limiting holes are formed in the circular plate, the limiting rods are inserted into the limiting holes, a plurality of spherical grooves are formed in the inner wall of each limiting hole, the spherical grooves are distributed in an annular mode, balls are arranged inside each spherical groove, and the balls are attached to the outer wall of each limiting rod. The gag lever post is pegged graft in spacing downthehole portion, can carry on spacingly to branch, sets up spherical groove and ball and can effectively reduce the relative friction that produces between gag lever post and the plectane, guarantees the smooth and easy of gag lever post removal in spacing downthehole portion to make the spring reset fast.

Furthermore, the alarm lamp beads are LED lamp beads, and the illumination color of the LED lamp beads is red or green. The LED lamp bead is set to be red or green in illumination color, the red or green is more striking, and the warning effect is better.

Further, built-in power supply is including seting up the mounting groove on branch top, the bottom is equipped with the battery jar in the mounting groove, the inside dry battery that is equipped with of battery jar, the dry battery passes through the wire with first conducting strip and is connected, still install the installation lid on the lateral wall of branch. The dry battery is used as a power supply, the cost is lower, the installation cover is arranged, the dry battery can be conveniently replaced, and the use is convenient.

Further, still be equipped with on the base and be used for treating four group's locating device that detect the piece and fasten, four group's locating device distributes and waits to detect the piece all around, every group the locating device all includes two electro-magnets, and one side that two electro-magnets are close to waiting to detect the piece is equipped with the pressure strip, pressure strip and waiting to detect a parallel arrangement, one side that the pressure strip is close to the electro-magnet is fixed with two magnet pieces that correspond the setting with the electro-magnet, the magnetic pole of iron core and the magnetic pole of pressure strip repel each other when the electro-magnet circular telegram sets up, the locating device still includes sets up two spouts on the base upper surface, be fixed with two sliders on the lateral wall that the pressure strip is close to the base. The magnetic pole of iron core and the magnetic pole of pressure strip repel each other when the electro-magnet circular telegram to promote the pressure strip and come the interior removal and treat that the detection piece extrudees the fastening, avoid treating that the detection piece produces the aversion and cause detection error, and the accuracy nature of location can be guaranteed to the location dress that four directions set up, further improves and detects the accuracy.

Furthermore, a press switch for controlling the on-off of all electromagnets is arranged on the side wall of the base, and a sponge pad is bonded on the side wall of the pressing plate, which is close to the piece to be detected. The switch synchro control electromagnetism iron break-make electricity is pressed for magnet piece simultaneous movement can further realize the accurate positioning, bonds the foam-rubber cushion on the pressure strip and can avoid the pressure strip extrusion to wait to detect the damage that the piece caused to treat the detection piece.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses can realize that automatic position to mounting hole on the plastic part detects, whether skew appears in the position that detects the mounting hole or whether the inside burr that exists of mounting hole, the testing result is accurate, need not the manual work and detects, great improvement the detection efficiency of paster plastic part, and the simple structure of whole device, with low costs.

(2) The length of detecting the stick is greater than the height of waiting to detect the piece, can make inside the detecting stick inserts completely to wait to detect the piece, guarantees the accuracy of testing result, and the detecting stick of rubber material can avoid treating the mechanical damage that detects the piece extrusion and cause.

(3) Synchronous lifting control can be carried out on the four lifting assemblies through the lifting switch, and the phenomenon that the lifting assemblies incline is avoided from affecting the accuracy of detection results.

(4) The gag lever post is pegged graft in spacing downthehole portion, can carry on spacingly to branch, sets up spherical groove and ball and can effectively reduce the relative friction that produces between gag lever post and the plectane, guarantees the smooth and easy of gag lever post removal in spacing downthehole portion to make the spring reset fast.

(5) The LED lamp bead is set to be red or green in illumination color, the red or green is more striking, and the warning effect is better.

(6) The dry battery is used as a power supply, the cost is lower, the installation cover is arranged, the dry battery can be conveniently replaced, and the use is convenient.

(7) The magnetic pole of iron core and the magnetic pole of pressure strip repel each other when the electro-magnet circular telegram to promote the pressure strip and come the interior removal and treat that the detection piece extrudees the fastening, avoid treating that the detection piece produces the aversion and cause detection error, and the accuracy nature of location can be guaranteed to the location dress that four directions set up, further improves and detects the accuracy.

(8) The switch synchro control electromagnetism iron break-make electricity is pressed for magnet piece simultaneous movement can further realize the accurate positioning, bonds the foam-rubber cushion on the pressure strip and can avoid the pressure strip extrusion to wait to detect the damage that the piece caused to treat the detection piece.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural diagram of a middle circular plate according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural diagram of the power supply of the present invention;

fig. 5 is a schematic structural view of the middle positioning device of the present invention;

fig. 6 is a state diagram of the middle positioning device of the present invention when clamping and positioning.

The reference numbers in the figures illustrate:

the device comprises a base 1, a rubber pad 2, a to-be-detected part 3, a lifting component 4, an upper base 5, a supporting rod 6, a circular plate 7, a limiting hole 701, a spherical groove 702, a ball 703, a detection rod 8, a limiting rod 9, a spring 10, a first conducting strip 11, a mounting column 12, a second conducting strip 13, an alarm lamp bead 14, a built-in power supply 15, a mounting groove 151, a battery 152 groove, a dry battery 153, a mounting cover 154, a positioning device 16, an electromagnet 161, a pressing plate 162, a magnet 163 block 164, a sliding groove 165 and a sliding block.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a detection device for electronic product patch processing comprises a base 1, a plurality of rubber pads 2 are fixed on the upper surface of the base 1, a piece 3 to be detected is supported on the rubber pads 2, the piece 3 to be detected comprises a plastic part and a rubber pad, the plastic part and the rubber pad are bonded and connected, a plurality of correspondingly arranged mounting holes are respectively formed on the plastic part and the rubber pad, lifting assemblies 4 are respectively arranged at four corners of the upper surface of the base 1, an upper base 5 with a hollow structure is arranged right above the base 1, lifting output ends of the lifting assemblies 4 are fixed at four corners of the lower surface of the upper base 5, a plurality of supporting rods 6 are inserted into the upper base 5, the plurality of supporting rods 6 are arranged corresponding to the mounting holes one by one, the supporting rods 6 penetrate through the lower side wall of the upper base 5, a circular plate 7 is connected to the bottom end of each supporting rod 6, a detection rod 8 is connected, detect stick 8, the coaxial setting of plectane 7 and branch 6, the symmetry is pegged graft on plectane 7 and is had two gag lever post 9, and the lower surface at upper base 5 is fixed on the top of gag lever post 9, spring 10 has been cup jointed on the one end outer wall that gag lever post 9 is located between plectane 7 and the upper base 5, the top of every branch 6 all is connected with first conducting strip 11, the upside of upper base 5 is pegged graft and is had a plurality of erection column 12 that correspond the arrangement with branch 6, the top of every erection column 12 all is fixed with warning lamp pearl 14, the bottom of every erection column 12 all is fixed with second conducting strip 13, and second conducting strip 13 is located inside upper base 5, branch 6 is inside to be equipped with built-in power supply 15, built-in power supply 15 supplies power for warning lamp pearl 14 when first conducting strip 11 and second. When the detection device is used, a piece 3 to be detected is placed on the rubber pad 2, the piece 3 to be detected is fastened, the lifting switch controls the lifting component 4 to work to drive the upper base 5 to descend until the circular plate 7 is contacted with the piece 3 to be detected, the detection rod 8 is completely inserted into the mounting hole of the piece 3 to be detected, if the position of the mounting hole at a certain position deviates or burrs are blocked inside the mounting hole, the detection rod 8 at a corresponding position cannot descend, the supporting rod 6 is driven to ascend, the first conducting plate 11 is contacted with the second conducting plate 13, when the alarm lamp bead 14 at a certain position is lightened, the position of the mounting hole at the corresponding position deviates or burrs are blocked inside the mounting hole, a worker records the position and marks waste materials, the lifting switch controls the lifting component 4 to ascend to drive the upper base 5 to reset after the detection is finished, and the circular plate 7 is driven to reset by the spring 10, and taking down the piece 3 to be detected and putting the other piece 3 to be detected into the detection device for detection. Can realize that automatic position to mounting hole on the plastic part detects, whether skew appears in the position that detects the mounting hole or whether the inside burr that exists of mounting hole, the testing result is accurate, need not the manual work and detects, great improvement the detection efficiency of paster plastic part, and the simple structure of whole device, with low costs.

Referring to fig. 1, the outer diameter of the detection rod 8 is in clearance fit with the positioning hole, the length of the detection rod 8 is greater than the height of the object 3 to be detected, and the detection rod 8 is a rubber rod. The length of detecting stick 8 is greater than the height of waiting to detect 3, can make inside detecting stick 8 inserts completely to wait to detect 3, guarantees the accuracy of testing result, and the mechanical damage that the extrusion of detecting piece 3 caused can be avoided treating to the detecting stick 8 of rubber material.

The lifting component 4 is a small cylinder or an electric push rod, and a lifting switch for controlling the four lifting components 4 to synchronously lift is arranged on the side wall of the base 1. Synchronous lifting control can be carried out on the four lifting components 4 through the lifting switch, and the phenomenon that the lifting components 4 incline is avoided from affecting the accuracy of a detection result.

Referring to fig. 2-3, two limiting holes 701 are formed on the circular plate 7, the limiting rod 9 is inserted into the limiting holes 701, a plurality of spherical grooves 702 are formed on the inner wall of the limiting holes 701, the spherical grooves 702 are distributed annularly, a ball 703 is disposed inside each spherical groove 702, and the ball 703 is attached to the outer wall of the limiting rod 9. The limiting rod 9 is inserted into the limiting hole 701 in an inserting mode, the supporting rod 6 can be limited, relative friction generated between the limiting rod 9 and the circular plate 7 can be effectively reduced by the spherical groove 702 and the ball 703, the limiting rod 9 is guaranteed to move smoothly inside the limiting hole 701, and therefore the spring 10 can be reset rapidly.

The alarm lamp beads 14 are LED lamp beads, and the illumination color of the LED lamp beads is red or green. The LED lamp bead is set to be red or green in illumination color, the red or green is more striking, and the warning effect is better.

Referring to fig. 4, the internal power supply 15 includes an installation groove 151 formed at the top end of the supporting rod 6, a battery jar 152 is disposed at the bottom of the installation groove 151, a dry battery 153 is disposed inside the battery jar 152, the dry battery 153 is connected to the first conductive sheet 11 through a wire, and an installation cover 154 is further installed on the side wall of the supporting rod 6. The dry battery 153 is used as a power supply, so that the cost is lower, the installation cover 154 is arranged, the dry battery 153 is convenient to replace, and the use is convenient.

Referring to fig. 5-6, the base 1 is further provided with four positioning assemblies 16 for fastening the to-be-detected piece 3, the four positioning assemblies 16 are distributed around the to-be-detected piece 3, each positioning assembly 16 includes two electromagnets 161, a pressing plate 162 is disposed on one side of each of the two electromagnets 161 close to the to-be-detected piece 3, the pressing plate 162 is parallel to the to-be-detected piece 3, two magnet blocks 163 corresponding to the electromagnets 161 are fixed on one side of the pressing plate 162 close to the electromagnets 161, the magnetic poles of the iron core and the magnetic poles of the pressing plate 162 are mutually exclusive when the electromagnets 161 are powered on, the positioning assembly 16 further includes two sliding grooves 164 formed in the upper surface of the base 1, two sliding blocks 165 are fixed on the side wall of the pressing plate 162 close to the base 1, and the sliding blocks 165 are correspondingly clamped. When electromagnet 161 is powered on, the magnetic poles of the iron core and the magnetic poles of the pressing plate 162 repel each other, so that the pressing plate 162 is pushed to move inwards to extrude and fasten the piece to be detected 3, detection errors caused by displacement of the piece to be detected 3 are avoided, and the positioning devices 16 arranged in four directions can ensure positioning accuracy, and detection accuracy is further improved.

The side wall of the base 1 is provided with a press switch for controlling the on/off of all the electromagnets 161, and the side wall of the pressing plate 162 close to the piece to be detected 3 is adhered with a sponge pad. The switch pressing synchronous control electromagnet 161 is powered on and powered off, so that the magnet block 163 can move synchronously, accurate positioning can be further realized, and the spongy cushion adhered to the pressing plate 162 can prevent the pressing plate 162 from extruding the piece 3 to be detected to treat the damage caused by the piece 3 to be detected.

The working principle is as follows: when the detection device is used, a piece 3 to be detected is placed on the rubber pad 2, the piece 3 to be detected is fastened, the lifting switch controls the lifting component 4 to work to drive the upper base 5 to descend until the circular plate 7 is contacted with the piece 3 to be detected, the detection rod 8 is completely inserted into the mounting hole of the piece 3 to be detected, if the position of the mounting hole at a certain position deviates or burrs are blocked inside the mounting hole, the detection rod 8 at a corresponding position cannot descend, the supporting rod 6 is driven to ascend, the first conducting plate 11 is contacted with the second conducting plate 13, when the alarm lamp bead 14 at a certain position is lightened, the position of the mounting hole at the corresponding position deviates or burrs are blocked inside the mounting hole, a worker records the position and marks waste materials, the lifting switch controls the lifting component 4 to ascend to drive the upper base 5 to reset after the detection is finished, and the circular plate 7 is driven to reset by the spring 10, and taking down the piece 3 to be detected and putting the other piece 3 to be detected into the detection device for detection.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a detection device is used in processing of electronic product paster, includes base (1), surface mounting has a plurality of rubber pad feet (2) on base (1), support on rubber pad foot (2) and wait to detect piece (3), it includes plastic part and rubber pad to wait to detect piece (3), plastic part and rubber pad adhesive connection, all set up a plurality of mounting holes that correspond the setting on plastic part and the rubber pad, its characterized in that: the lifting assembly (4) is arranged at four corners of the upper surface of the base (1), an upper base (5) with a hollow structure is arranged right above the base (1), the lifting output end of the lifting assembly (4) is fixed at four corners of the lower surface of the upper base (5), a plurality of supporting rods (6) are inserted into the upper base (5), the supporting rods (6) are arranged in one-to-one correspondence with the mounting holes, the supporting rods (6) penetrate through the lower side wall of the upper base (5), the bottom end of each supporting rod (6) is connected with a circular plate (7), the lower surface of each circular plate (7) is connected with a detection rod (8), the detection rods (8), the circular plates (7) and the supporting rods (6) are coaxially arranged, two limiting rods (9) are symmetrically inserted into the circular plates (7), and the top ends of the limiting rods (9) are fixed on the lower surface of the upper base (5), spring (10) has been cup jointed on the one end outer wall that gag lever post (9) are located between plectane (7) and upper base (5), every the top of branch (6) all is connected with first conducting strip (11), the upside of upper base (5) is pegged graft and is had a plurality ofly to correspond erection column (12) of arranging with branch (6), every the top of erection column (12) all is fixed with warning lamp pearl (14), every the bottom of erection column (12) all is fixed with second conducting strip (13), and second conducting strip (13) are located inside upper base (5), branch (6) inside is equipped with built-in power supply (15), built-in power supply (15) are the power supply of warning lamp pearl (14) when first conducting strip (11) and second conducting strip (13) contact.

2. The detecting device for electronic product patch processing according to claim 1, wherein: the outer diameter of the detection rod (8) is in clearance fit with the positioning hole, the length of the detection rod (8) is larger than the height of the piece (3) to be detected, and the detection rod (8) is a rubber rod.

3. The detecting device for electronic product patch processing according to claim 1, wherein: the lifting component (4) is a small cylinder or an electric push rod, and a lifting switch used for controlling the four lifting components (4) to synchronously lift is arranged on the side wall of the base (1).

4. The detecting device for electronic product patch processing according to claim 1, wherein: two limiting holes (701) are formed in the circular plate (7), the limiting rods (9) are inserted into the limiting holes (701), a plurality of spherical grooves (702) are formed in the inner wall of each limiting hole (701), the spherical grooves (702) are distributed in an annular mode, balls (703) are arranged inside each spherical groove (702), and the balls (703) are attached to the outer wall of each limiting rod (9).

5. The detecting device for electronic product patch processing according to claim 1, wherein: the alarm lamp beads (14) are LED lamp beads, and the illumination color of the LED lamp beads is red or green.

6. The detecting device for electronic product patch processing according to claim 1, wherein: built-in power supply (15) are including offering mounting groove (151) on branch (6) top, the bottom is equipped with battery jar (152) in mounting groove (151), battery jar (152) inside is equipped with dry battery (153), dry battery (153) pass through the wire with first conducting strip (11) and are connected, still install installation lid (154) on the lateral wall of branch (6).

7. The detecting device for electronic product patch processing according to claim 1, wherein: the detection device is characterized in that the base (1) is further provided with four groups of positioning devices (16) for fastening a to-be-detected piece (3), the four groups of positioning devices (16) are distributed around the to-be-detected piece (3), each group of positioning devices (16) comprises two electromagnets (161), a pressing plate (162) is arranged on one side, close to the to-be-detected piece (3), of each of the two electromagnets (161), the pressing plate (162) is arranged in parallel with the to-be-detected piece (3), two magnet blocks (163) arranged corresponding to the electromagnets (161) are fixed on one side, close to the electromagnets (161), of each of the magnetic poles of the iron core and the magnetic poles of the pressing plate (162) are arranged in a mutual repulsion mode when the electromagnets (161) are electrified, each positioning device (16) further comprises two sliding grooves (164) formed in the upper surface of the base (1), and two sliding blocks (165) are fixed on the side wall, close to the base, the sliding block (165) is correspondingly clamped in the sliding groove (164).

8. The detecting device for electronic product patch processing according to claim 7, wherein: the side wall of the base (1) is provided with a press switch for controlling the on-off of all the electromagnets (161), and the side wall of one side of the pressing plate (162) close to the piece to be detected (3) is bonded with a sponge pad.