CN109141168A - A kind of locating and detecting device of deep trouth sheet metal component - Google Patents

Abstract

The invention discloses a kind of locating and detecting devices of deep trouth sheet metal component, comprising: fiducial, deep trouth positioning component and hole location detecting component.Wherein, benchmark of the fiducial as deep trouth sheet metal component detection and localization.Deep trouth positioning component is set in fiducial, for positioning to deep trouth sheet metal component.Hole location detecting component is set in fiducial, for detecting the form tolerance and position of related features of the hole location on deep trouth sheet metal component.The present invention improves the precision and efficiency of detecting of deep trouth sheet metal component by way of hole location detection components are arranged.

Description

A positioning detection device for deep groove sheet metal parts

technical field

The invention belongs to the field of forming dimension detection of sheet metal parts, and particularly relates to a positioning detection device for deep groove sheet metal parts.

Background technique

At present, the production of sheet metal parts in the industry is usually formed by stamping technology, and during the forming process, the forming dimensions of the sheet metal parts need to be checked in batches. During the overall assembly, the positions of the holes on the sheet metal parts need to be checked. Whether it is qualified or not is usually measured with the naked eye or with a ruler. In the actual operation process, there will be misjudgments, which will lead to inability to assemble, affect production efficiency, and increase the product failure rate.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a positioning detection device for deep groove sheet metal parts, which improves the detection accuracy and efficiency of deep groove sheet metal parts.

For solving the above problems, the technical scheme of the present invention is:

A positioning detection device for a deep groove sheet metal part of the present invention includes a reference component, a deep groove positioning component and a hole position detection component. Among them, the benchmark component is used as the benchmark for the positioning detection of deep groove sheet metal parts. The deep groove positioning component is arranged on the reference component and is used to locate the deep groove sheet metal parts. The hole position detection component is arranged on the reference component, and is used for detecting the shape tolerance and position tolerance of the hole position on the deep groove sheet metal part.

A positioning detection device for deep groove sheet metal parts of the present invention, the reference component includes a reference base plate, a first reference block, a second reference block, a third reference block, a first reference hole sleeve, a second reference hole sleeve, and a calibration reference tower. Wherein, the first reference block, the second reference block and the third reference block are all arranged on the upper surface of the reference base plate, and the connecting line between the first reference block and the second reference block is perpendicular to the second reference block and the third reference block 's connection. The first reference hole sleeve and the second reference hole sleeve are both arranged on the upper surface of the reference base plate, and the connecting line of the first reference hole sleeve and the second reference hole sleeve is parallel to the long side of the reference base plate. The calibration reference table is arranged on the upper surface of the reference base plate, and is used for calibrating the deep groove positioning component and the hole position detection component.

A positioning detection device for a deep groove sheet metal part of the present invention, the deep groove positioning component comprises a first deep groove positioning member, a second deep groove positioning member and a third deep groove positioning member. Wherein, the first deep groove positioning member, the second deep groove positioning member, and the third deep groove positioning member jointly realize the positioning of the deep groove sheet metal parts. The first deep groove positioning member and the second deep groove positioning member are both hole positioning components, and the first deep groove positioning member and the second deep groove positioning member have the same structure.

A positioning detection device for a deep groove sheet metal part of the present invention, the first deep groove positioning part comprises:

The base and the base plate are connected;

The sleeve is arranged on the upper part of the base;

A grab hook slideway is provided along the axial direction of the sleeve, the side wall of the sleeve is provided with two first through holes, and the side wall of the sleeve is also provided with two push rod sliding holes, the push rod sliding holes are along the axis of the sleeve open upward, and the position of the push rod sliding hole is lower than the first through hole;

The positioning pin is arranged on the upper part of the sleeve, and the hook slideway extends to the side wall of the positioning pin;

The backing plate is arranged on the upper part of the sleeve, and the positioning pin is passed through the middle area of the backing plate;

an indenter, the indenter is rotatably connected to the sleeve through a rotating shaft, wherein the rotating shaft passes through the two first through holes opened on the side wall of the sleeve;

The grabbing hook assembly is arranged in the inner cavity of the sleeve along the axial direction of the sleeve. The grabbing hook assembly includes two grabbing hooks. Along the horizontal direction, the two grabbing hooks are arranged in opposite directions. a guide hole for a grappling hook, and the grappling hook portion of the grappling hook protrudes from the upper part of the sleeve; and

a push rod, the push rod is penetrated through the two push rod sliding holes and the first through holes of the push rod of the two grab hooks;

Wherein, in the state where the indenter is pressed down, the push rod moves to the middle and lower side of the sliding hole of the push rod, and the hook portion of the grapple moves to the outside of the grapple slide; in the state where the indenter is retracted, the push rod moves To the upper middle side of the sliding hole of the push rod, the grapple part of the grapple shrinks to the inner side of the grapple slide.

The invention provides a positioning detection device for a deep groove sheet metal part. The first deep groove positioning part further comprises a support spring, the first end of the support spring is connected with the bottom side of the sleeve, the second end of the support spring and the two gripping springs are connected with each other. The bottom side of the hook is attached.

A positioning detection device for a deep groove sheet metal part of the present invention, the indenter comprises a connecting part, a first bending part, and a second bending part, the first bending part is connected with the first end of the connecting part, and the second bending part is connected. The bending portion is connected to the second end of the connecting portion, and the bending directions of the first bending portion and the second bending portion are the same. The two ends of the rotating shaft are respectively rotatably connected with the end of the first bending part and the end of the second bending part.

According to a positioning detection device of a deep groove sheet metal part of the present invention, the grapple hook portion of the grapple hook is a hook portion bent downward. The guide hole of the grappling hook is an elongated bending hole, and the elongated bending hole is bent toward one side of the grabbing hook portion.

The third deep groove positioning member of a positioning detection device for a deep groove sheet metal part of the present invention comprises a base, a collet and a clamp. Among them, the collet and the clamp are placed on the base. There is a U-shaped groove on the chuck. The three-coordinate probe is placed in the U-shaped groove to avoid the interference problem during the three-coordinate probe measurement. When the deep groove sheet metal part is placed on the third deep groove positioning part, the clamp clamps the deep groove sheet metal part to constrain the degree of freedom of the deep groove sheet metal part.

The hole position detection component of a positioning detection device for a deep groove sheet metal part of the present invention includes at least one hole position detection piece. The hole position detection piece includes a detection pin, a first guide sleeve, a scale assembly, a connecting rod, a pressing screw, a connecting plate, a turning pin, a stopper, a base, an upper backing plate, a second guide sleeve, a bracket, a third guide sleeve, Second bracket, zero guide bush, zero pin, bottom plate, cross slide, dial indicator. The lower backing plate is installed on the upper surface of the reference assembly; the cross slide is installed on the upper surface of the lower backing plate; the bracket is installed on the X-direction side of the lower backing plate; the second guide sleeve is installed on the bracket; The Y-direction side of the upper backing plate; the third guide sleeve is installed on the second bracket.

A zero-position guide hole is opened on the cross slide, and the zero-position guide sleeve is installed in the zero-position guide hole. The zero position pin is installed in the zero position guide sleeve. After the detection is completed, the cross slide can be quickly returned to zero through the zero position pin.

The upper plate is installed on the upper surface of the cross slide, the base is installed on the upper surface of the upper plate, and the connecting plate is installed on the base.

The base, the connecting rod and the connecting plate are provided with pin holes, and the connecting rod is installed on the base through a rotating pin. The stopper is installed on the base to limit the connecting rod. The connecting rod is provided with a guide hole and a pressing hole. The compression screw passes through the compression hole and cooperates with the base to compress the connecting rod.

The first guide sleeve is installed in the guide hole, and the detection pin is installed in the first guide sleeve. The scale assembly is installed on the connecting rod, and the scale scale on the scale assembly corresponds to the detection pin.

The invention relates to a positioning detection device for a deep groove sheet metal part, wherein the grapple hook and the chuck are sandblasted and anodized.

Compared with the prior art, the present invention has the following advantages and positive effects due to the adoption of the above technical solutions:

1) An embodiment of the present invention improves the detection accuracy and efficiency of the hole position of the deep groove sheet metal part by setting the hole position detection component, and can detect the shape tolerance and position tolerance of the deep groove sheet metal part.

2) An embodiment of the present invention solves the need for positioning detection of parts with deep grooves, and the hole position detection component realizes the detection of shape tolerance and position tolerance after the connection and welding between parts and accessories, thereby ensuring trial production and start-up production. Realize the rapid judgment of the quality status of the parts.

3) The top of the grapple hook according to an embodiment of the present invention is set as a hook portion bent downward, which solves the problem of positioning the flanging hole of the sheet metal part.

4) An embodiment of the present invention realizes the modularization of the positioning detection device through the cooperation between the reference component, the deep groove positioning component and the hole position detection component, and is applicable to the positioning detection of different sheet metal parts.

Description of drawings

1 is an overall schematic diagram of a positioning detection device for a deep groove sheet metal part according to the present invention;

2 is a schematic structural diagram of a reference assembly of a positioning detection device for a deep groove sheet metal part according to the present invention;

3 is a schematic structural diagram of a deep groove positioning member of a positioning detection device for a deep groove sheet metal part according to the present invention;

4 is a schematic cross-sectional view of a deep groove positioning member of a positioning detection device for a deep groove sheet metal part according to the present invention;

5 is a schematic structural diagram of a grapple hook of a positioning detection device for a deep groove sheet metal part according to the present invention;

6 is a schematic structural diagram of a sleeve of a positioning detection device for a deep groove sheet metal part according to the present invention;

7 is a schematic structural diagram of a third deep groove positioning member of a positioning detection device for a deep groove sheet metal part according to the present invention;

8 is a schematic diagram of a U-shaped groove of a third deep groove positioning member of a positioning detection device for a deep groove sheet metal part according to the present invention;

9 is a schematic structural diagram of a hole position detection member of a positioning detection device for a deep groove sheet metal part according to the present invention;

Figure 10 is a schematic diagram of a deep groove sheet metal part of the present invention;

FIG. 11 is an assembly schematic diagram of a positioning detection device for a deep groove sheet metal part according to the present invention.

Description of reference numbers:

1: Benchmark assembly; 2: First deep groove positioning part; 3: Second deep groove positioning part; 4: Third deep groove positioning part; 5: Hole position detection part; 6: Deep groove sheet metal part; 101: No. a reference block; 102: the second reference block; 103: the third reference block; 111: the first reference hole sleeve; 112: the second reference hole sleeve; 121: the calibration reference platform; 201: the sleeve; 202: the grapple; 203: positioning pin; 204: backing plate; 205: rotating shaft; 206: base; 207: adjusting bracket; 208: gasket; 209: first backing plate; 210: bracket; 211: supporting spring; 212: indenter; 221: Grab hook; 222: Guide hole; 223: Push rod first through hole; 231: Grab hook slideway; 232: First through hole; 233: Indenter fixing rod hole; 234: Push rod sliding hole; 401 : Base; 402: Collet; 403: Clamp; 410: U-Slot; 501: Detection Pin; 502: First Guide Bush; 503: Scale Assembly; 504: Connecting Rod; 505: Compression Screw; : connecting plate; 507: transfer pin; 508: stopper; 509: base; 510: top plate; 511: second guide sleeve; 512: bracket; 513: zero position guide sleeve; 514: zero position pin; 515: Bottom plate; 516: Cross slide.

Detailed ways

A positioning detection device for a deep groove sheet metal part proposed by the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become apparent from the following description and claims.

Example 1

Referring to Fig. 1, a positioning detection device for a deep groove sheet metal part includes a reference component 1, a deep groove positioning component and a hole position detection component. The datum component serves as the datum for positioning inspection of deep grooved sheet metal parts. The deep groove positioning component is arranged on the reference component and is used to locate the deep groove sheet metal parts. The hole position detection component is arranged on the datum component, and is used to detect the shape and position tolerance and position tolerance of the hole position on the deep groove sheet metal part. This embodiment improves the detection accuracy and efficiency of the hole position of the deep groove sheet metal part by setting the hole position detection component, and can detect the shape tolerance and position tolerance of the deep groove sheet metal part.

Further, referring to FIG. 2, the reference assembly 1 includes a reference base plate, a first reference block 101, a second reference block 102, a third reference block 103, a first reference hole sleeve 111, a second reference hole sleeve 112, and a calibration reference table 121 . The first reference block 101, the second reference block 102, and the third reference block 103 are all disposed on the upper surface of the reference base plate, and the connecting line between the first reference block 101 and the second reference block 102 is perpendicular to the second reference block 102 and the connection of the third reference block 103.

Further, the first reference hole sleeve 111 and the second reference hole sleeve 112 are both disposed on the upper surface of the reference base plate, and the connecting line of the first reference hole sleeve 111 and the second reference hole sleeve 112 is parallel to the long side of the reference base plate.

Further, the calibration reference table 121 is arranged on the upper surface of the reference base plate, and is used for calibrating the deep groove positioning assembly and the hole position detection assembly.

Further, when the reference assembly 1 is used as a reference, the upper surfaces of the first reference block 101 , the second reference block 102 and the third reference block 103 are the surface reference, and the hole centers of the first reference hole sleeve 111 and the second reference hole sleeve 112 The axis is the line datum; the short side of the datum base plate is the point datum.

The datum plane and datum hole on the reference base plate are the basis for finding the correct coordinate system when measuring the deep groove sheet metal part 6 with three coordinates, and also the basis for finding the correct coordinate system when inspecting the positioning detection device.

Further, referring to FIGS. 3-8 , the deep groove positioning assembly includes a first deep groove positioning member 2 , a second deep groove positioning member 3 and a third deep groove positioning member 4 . The first deep groove positioning member 2 , the second deep groove positioning member 3 , and the third deep groove positioning member 4 jointly realize the positioning of the deep groove sheet metal member 6 . The first deep groove positioning member 2 and the second deep groove positioning member 3 are both hole positioning components, and the first deep groove positioning member 2 and the second deep groove positioning member 3 have the same structure.

Further, the first deep groove positioning member 2 includes a base, a sleeve 201, a positioning pin 203, a backing plate 204, a pressing head 212, a hook assembly, and a push rod.

Further, the base is connected with the reference base plate. The sleeve 201 is arranged on the upper part of the base. A gripping hook slideway 231 is provided along the axial direction of the sleeve 201 , two first through holes 232 are formed on the side wall of the sleeve 201 , and two push rod sliding holes 234 are formed on the side wall of the sleeve 201 . The hole 234 is opened along the axial direction of the sleeve 201 , and the position of the push rod sliding hole 234 is lower than the first through hole 232 . The positioning pin 203 is provided on the upper part of the sleeve 201 , and the hook slideway 231 extends to the side wall of the positioning pin 203 .

Further, the backing plate 204 is arranged on the upper part of the sleeve 201 , and the positioning pin 203 is penetrated in the middle area of the backing plate 204 . The indenter 212 is rotatably connected to the sleeve 201 through the shaft 205 . The rotating shaft 205 passes through the two first through holes 232 formed in the side wall of the sleeve 201 .

Further, the grabbing hook assembly is arranged in the inner cavity of the sleeve 201 along the axial direction of the sleeve 201 , and the grabbing hook assembly includes two grabbing hooks 202 . Along the horizontal direction, the two grabbing hooks 202 are arranged in opposite directions. Pass through the guide holes 222 of the two gripping hooks 202 , and the gripping hook portions 221 of the gripping hooks 202 protrude from the upper part of the sleeve 201 . In addition, the push rods pass through the two push rod sliding holes 234 and the first through holes 232 of the two gripping hooks 202 .

Specifically, when the pressing head 212 is pressed down, the push rod moves to the middle and lower side of the sliding hole 234 of the push rod, and the grabbing hook portion 221 of the grabbing hook 202 moves outward to the outside of the grabbing hook slideway 231; when the pressing head 212 is retracted In the up state, the push rod moves to the upper middle side of the push rod sliding hole 234 , and the grabbing hook portion 221 of the grabbing hook 202 shrinks to the inner side of the grabbing hook slideway 231 .

Further, the base includes a base 206 , an adjustment bracket 207 , a washer 208 , a first backing plate 209 , and a bracket 210 . The backing plate 209 is placed on the sleeve 201 . The sleeve 201 is fixed on the base 206, the base 206 is mounted on the adjusting bracket 207, the adjusting bracket 207 clamps the first backing plate 209 and is mounted on the bracket 210, and the adjusting bracket 207 is provided with a gasket 208 on the adjacent edge.

Further, the first deep groove positioning member 2 further includes a support spring 211 , the first end of the support spring 211 is connected with the bottom side of the sleeve 201 , and the second end of the support spring 211 is connected with the bottom sides of the two gripping hooks 202 .

Further, the indenter 212 includes a connecting portion, a first bending portion, and a second bending portion. The first bending part is connected with the first end of the connecting part, the second bending part is connected with the second end of the connecting part, and the bending directions of the first bending part and the second bending part are the same.

Further, both ends of the rotating shaft 205 are respectively rotatably connected to the end of the first bending portion and the end of the second bending portion.

Specifically, the grapple portion 221 of the grapple 202 is a hook portion bent downward. The guide hole 222 of the grab hook 202 is an elongated bending hole, and the elongated bending hole is bent toward one side of the grab hook portion 221 . The top of the grabbing hook 202 is provided as a downwardly curved grabbing hook portion 221 , which solves the problem of positioning and clamping the flanging hole of the deep groove sheet metal part 6 .

Specifically, the third deep groove positioning member 4 includes a base 401 , a collet 402 , and a clamp 403 . The collet 402 and the clamp 403 are placed on the base 401, and the collet 402 is provided with a U-shaped groove 410. The three-coordinate probe is placed in the U-shaped groove 410 to avoid the interference problem when the three-coordinate probe is measured. When the deep groove sheet metal part 6 is placed on the third deep groove positioning part 4 , the clamp 403 clamps the deep groove sheet metal part 6 .

Referring to FIG. 9 , the hole position detection assembly includes at least one hole position detection member 5 .

Specifically, the hole position detection member 5 includes a detection pin 501, a first guide sleeve 502, a scale assembly 503, a connecting rod 504, a pressing screw 505, a connecting plate 506, a rotating pin 507, a stopper 508, a base 509, and an upper backing plate 510, the second guide sleeve 511, the bracket 512, the third guide sleeve, the second bracket, the zero position guide sleeve 513, the zero position pin 514, the lower backing plate 515, the cross slide 516, and the dial indicator. The bottom pad 515 is mounted on the upper surface of the reference base plate, and the cross slide 516 is mounted on the upper surface of the bottom pad 515 . The bracket 512 is mounted on the X-direction side of the lower backing plate 515 , and the second guide sleeve 511 is mounted on the bracket 512 . The second bracket is installed on the Y-direction side of the upper backing plate 510 , and the third guide sleeve is installed on the second bracket.

The cross slide 516 is provided with a zero-position guide hole, and the zero-position guide sleeve 513 is installed in the zero-position guide hole. The zero position pin 514 is installed in the zero position guide sleeve 513 . After the detection is completed, the cross slide 516 can be quickly returned to zero through the zero position pin 514 .

The upper plate 510 is mounted on the upper surface of the cross slide 516 . The base 509 is mounted on the upper surface of the upper backing plate 510 . The connecting plate 506 is installed on the base 509 , the base 509 , the connecting rod 504 and the connecting plate 506 are provided with pin holes, and the connecting rod 504 is installed on the base 509 through the rotating pin 507 .

The stopper 508 is installed on the base 509 to limit the position of the connecting rod 504 . The connecting rod 504 is provided with a guide hole and a pressing hole. The compression screw 505 passes through the compression hole and cooperates with the base 509 to compress the connecting rod 504 .

The first guide sleeve 502 is installed in the guide hole, and the detection pin 501 is installed in the first guide sleeve 502 . The scale assembly 503 is mounted on the connecting rod 504 , and the scale scale on the scale assembly 503 corresponds to the detection pin 501 .

After the deep groove sheet metal part 6 is completely positioned, the connecting rod 504 is turned over to detect the hole shape and position tolerance of the deep groove sheet metal part 6, and the deviation value can be quickly identified by visual inspection of the scale. The dial indicator passes the second guide sleeve 511 to read the X-direction position tolerance of the hole position of the deep groove sheet metal part 6; the dial indicator passes the third guide sleeve to read the Y position of the hole position of the deep groove sheet metal part 6 Tolerance on position.

The hole position detection part 5 realizes the detection of the hole position degree after the connection and welding between the parts and the accessories, so as to ensure the rapid judgment of the quality status of the parts during trial production and start-up production.

The detection pin 501, the transfer pin 507, the zero pin 514, and the positioning pin are made of wear-resistant material Cr12, and the surfaces are chrome-plated.

The grapple 202 and collet 403 are red sandblasted anodized. The base 206 and the bracket 210 are made of aluminum alloy or cast aluminum base, and the surface is anodized. The adjustment bracket 207 is made of aluminum profile bracket to achieve weight reduction; the functional parts and wearing parts are selected from GCr15, heat treatment: HRC58-62, non- The ground surface is blackened.

Example 2

On the basis of Embodiment 1, this embodiment further limits the number and positions of the hole position detection parts, and the rest of the parts are the same as or similar to those in Embodiment 1, and will not be repeated here.

Referring to Figure 10 and Figure 11, according to the shape and hole position of the deep groove sheet metal part 6, five hole position detection parts 5 are selected, and their positions correspond to the hole positions to be detected by the deep groove sheet metal part 6 respectively. position to form the hole position detection component.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and the technical equivalents thereof, they still fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a deep groove sheet metal component's location detection device which characterized in that includes:

the reference assembly is used as a reference for positioning and detecting the deep groove sheet metal part;

the deep groove positioning assembly is arranged on the reference assembly and used for positioning the deep groove sheet metal part;

and the hole site detection assembly is arranged on the reference assembly and used for detecting the form and position tolerance and the position tolerance of the hole site on the deep groove sheet metal part.

2. The positioning detection device for the deep groove sheet metal part according to claim 1, wherein the reference assembly comprises a reference bottom plate, a first reference block, a second reference block, a third reference block, a first reference hole sleeve, a second reference hole sleeve and a calibration reference table;

wherein,

the first reference block, the second reference block and the third reference block are all arranged on the upper plate surface of the reference bottom plate, and the connecting line of the first reference block and the second reference block is perpendicular to the connecting line of the second reference block and the third reference block;

the first reference hole sleeve and the second reference hole sleeve are arranged on the upper plate surface of the reference bottom plate, and the connecting line of the first reference hole sleeve and the second reference hole sleeve is parallel to the long edge of the reference bottom plate;

the calibration reference platform is arranged on the upper plate surface of the reference bottom plate and used for calibrating the deep groove positioning assembly and the hole site detection assembly.

3. The positioning and detecting device for the deep groove sheet metal parts according to claim 1, wherein the deep groove positioning assembly comprises a first deep groove positioning part, a second deep groove positioning part and a third deep groove positioning part; wherein,

the first deep groove positioning piece, the second deep groove positioning piece and the third deep groove positioning piece jointly realize the positioning of the deep groove sheet metal part;

the first deep groove positioning piece and the second deep groove positioning piece are both hole positioning components, and the first deep groove positioning piece and the second deep groove positioning piece are identical in structure.

4. The positioning and detecting device for the deep groove sheet metal part according to claim 3, wherein the first deep groove positioning member comprises:

the base is connected with the reference bottom plate;

the sleeve is arranged at the upper part of the base;

the sleeve is provided with a grab hook slide way along the axial direction of the sleeve, the side wall of the sleeve is provided with two first through holes, the side wall of the sleeve is also provided with two push rod slide holes, the push rod slide holes are formed along the axial direction of the sleeve, and the positions of the push rod slide holes are lower than the first through holes;

the positioning pin is arranged at the upper part of the sleeve, and the grapple slide way extends to the side wall of the positioning pin;

the base plate is arranged at the upper part of the sleeve, and the positioning pin penetrates through the middle area of the base plate;

the pressure head is rotationally connected with the sleeve through a rotating shaft, wherein the rotating shaft penetrates through two first through holes formed in the side wall of the sleeve;

the grabbing hook assembly is arranged in the inner cavity of the sleeve along the axial direction of the sleeve and comprises two grabbing hooks, the two grabbing hooks are arranged in opposite directions along the horizontal direction, the rotating shaft is further arranged in the guide holes of the two grabbing hooks in a penetrating mode, and the grabbing hook parts of the grabbing hooks extend out of the upper portion of the sleeve;

the push rods penetrate through the two push rod sliding holes and the push rod first through holes of the two grapples;

wherein,

under the state that the pressure head is pressed down, the push rod moves to the middle lower side of the push rod sliding hole, and the grapple portion of the grapple moves outwards to the outer side of the grapple slideway;

and under the state that the pressure head is retracted, the push rod moves to the middle upper side of the push rod sliding hole, and the grapple part of the grapple retracts to the inner side of the grapple sliding way.

5. The device for detecting the positioning of the deep groove sheet metal part according to claim 4, wherein the first deep groove positioning member further comprises a supporting spring, a first end of the supporting spring is connected with the bottom side of the sleeve, and a second end of the supporting spring is connected with the bottom sides of the two grapples.

6. The positioning and detecting device for the deep groove sheet metal part according to claim 5, wherein the pressing head comprises a connecting part, a first bending part and a second bending part, the first bending part is connected with a first end of the connecting part, the second bending part is connected with a second end of the connecting part, and the bending directions of the first bending part and the second bending part are the same;

and two ends of the rotating shaft are respectively connected with the end part of the first bending part and the end part of the second bending part in a rotating manner.

7. The positioning and detecting device for the deep groove sheet metal parts according to claim 6, wherein the hook part of the grapple is a hook part which is bent downwards;

the guide hole of the grapple is a strip-shaped bending hole, and the strip-shaped bending hole is bent towards one side of the grapple part.

8. The positioning and detecting device for the deep groove sheet metal parts according to claim 7, wherein the third deep groove positioning part comprises a base, a chuck and a clamper; wherein,

the clamping head and the clamping device are arranged on the base;

and the chuck is provided with a U-shaped groove.

9. The positioning and detecting device for the deep groove sheet metal part as claimed in claim 1, wherein the hole site detecting assembly comprises at least one hole site detecting member;

the hole site detection piece comprises a detection pin, a first guide sleeve, a scale assembly, a connecting rod, a compression screw, a connecting plate, a rotating pin, a stop block, a base, an upper backing plate, a second guide sleeve, a bracket, a third guide sleeve, a second bracket, a zero-position guide sleeve, a zero-position pin, a lower backing plate, a cross sliding table and a dial indicator; wherein

The lower backing plate is arranged on the upper surface of the reference bottom plate;

the cross sliding table is arranged on the upper surface of the lower base plate;

the bracket is arranged on the X-direction side surface of the lower base plate;

the second guide sleeve is arranged on the bracket;

the second bracket is arranged on the Y-direction side surface of the upper base plate;

the third guide sleeve is arranged on the second bracket;

a zero-position guide hole is formed in the cross sliding table, and the zero-position guide sleeve is installed in the zero-position guide hole;

the upper backing plate is arranged on the upper surface of the cross sliding table;

the base is arranged on the upper surface of the upper base plate;

the connecting plate is arranged on the base;

pin holes are formed in the base, the connecting rod and the connecting plate, and the connecting rod is mounted on the base through the rotating pin;

the stop block is arranged on the base to limit the connecting rod;

the connecting rod is provided with a guide hole and a pressing hole;

the compression screw penetrates through the compression hole and is matched with the base to compress the connecting rod;

the first guide sleeve is arranged in the guide hole, and the detection pin is arranged in the first guide sleeve;

the scale assembly is arranged on the connecting rod, and a scale ruler on the scale assembly corresponds to the detection pin.

10. The positioning and detecting device for the deep groove sheet metal part according to claim 8, characterized in that the grapple and the chuck are a grapple and a chuck which are processed by sand blasting anodization.