CN215046588U

CN215046588U - Workpiece overturning and conveying device for detecting pin holes

Info

Publication number: CN215046588U
Application number: CN202121100361.5U
Authority: CN
Inventors: 吴惠东
Original assignee: Shanghua Yite Precision Components Changzhou Co ltd
Current assignee: Shanghua Yite Precision Components Changzhou Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-07
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a work piece upset conveyor for stitch hole detects belongs to product detection device field. The utility model discloses a work piece upset conveyor for stitch hole detects, including power unit, guide rail mechanism, tilting mechanism and layer board mechanism, layer board mechanism includes the connecting plate of slidable mounting in guide rail mechanism and installs two sets of clamping mechanism on the connecting plate, wherein at least a set of clamping mechanism location is taken and is put on the connecting plate, tilting mechanism includes revolving cylinder, jacking cylinder and jacking layer board, utilize two sets of clamping mechanisms that are used for placing the work piece of connecting plate bearing, utilize tilting mechanism's jacking layer board to jack up and the level upset with a set of clamping mechanism, make the work piece direction in two sets of clamping mechanisms unanimous, and utilize power unit to drive two sets of clamping mechanisms and remove to detecting the station together, the follow-up detection of the product of being convenient for, degree of automation is high, detection efficiency is fast.

Description

Workpiece overturning and conveying device for detecting pin holes

Technical Field

The utility model relates to a product detection device, more specifically say, relate to a work piece upset conveyor that is used for stitch hole to detect.

Background

Have a plurality of stitch holes on the ECU controller upper cover casing, need guarantee each stitch hole break-through after the shaping of upper cover casing, consequently need detect its stitch hole after the shaping is produced to the ECU controller upper cover casing, in order to guarantee the quality of product, traditional detection method is that the manual work is picked up ECU controller upper cover casing and is facing to the place that has the light, observe the shaping quality in each stitch hole with the glasses, because the stitch hole quantity on the product is very many, this kind of manual detection's efficiency is very low, and miss the stitch hole easily, lead to the detection effect relatively poor.

In order to facilitate the detection of pin holes in products, corresponding detection equipment also appears in the prior art. However, in order to improve the production molding efficiency of the workpiece, a one-mold two-cavity injection mold design is generally adopted, that is, two-mold cavity molding output is basically adopted, and in order to facilitate the mold design, two workpiece mold cavities in one set of injection mold are reversed, that is, the reversed directions of the workpiece produced by the two-mold cavity molding are opposite after the workpiece is taken off from the injection molding machine, the positions of pin holes of the upper cover shells of the two ECU controllers are also opposite, the existing detection equipment needs to adopt a manipulator to grab and detect the product in the detection process, and meanwhile, the other product in the opposite direction needs to be horizontally turned over for 180 degrees, and then detection is performed, so that the mechanism design is complex, the product grabbing, transferring and turning actions are multiple, and the detection efficiency is slow.

Based on the above problems of the existing two-out injection molding product detection equipment with opposite directions, it is necessary to design a workpiece overturning and conveying device to improve the product detection efficiency.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to overcome that current product pin hole detects to have structural design complicacy, detection efficiency low scheduling problem, provide a work piece upset conveyor for pin hole detects, adopt the technical scheme of the utility model, drive the jacking layer board through the jacking cylinder and lift up clamping mechanism, it is rotatory to drive clamping mechanism through revolving cylinder, changes the direction of work piece in the clamping mechanism, makes two injection moulding product directions opposite, and the follow-up detection of the product of being convenient for, degree of automation is high, and detection efficiency is fast.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a work piece upset conveyor for stitch hole detects, including power unit, guide rail mechanism, tilting mechanism and layer board mechanism, power unit and guide rail mechanism install on the workstation, layer board mechanism install on guide rail mechanism slidably, power unit be connected with layer board mechanism transmission, be used for driving layer board mechanism and slide on guide rail mechanism, layer board mechanism include the connecting plate of slidable mounting on guide rail mechanism and install two sets of clamping mechanism on the connecting plate, wherein at least a set of clamping mechanism location is taken on the connecting plate, tilting mechanism include revolving cylinder, jacking cylinder and jacking layer board, revolving cylinder install on the workstation, jacking cylinder install on revolving cylinder's output shaft through the cylinder connecting block, the jacking layer board install at jacking cylinder's piston rod top, and when the supporting plate mechanism moves to the upper part of the turnover mechanism, the jacking supporting plate is positioned below one group of clamping mechanisms which are positioned and overlapped on the connecting plate and used for jacking the clamping mechanisms and horizontally turning over the clamping mechanisms.

Furthermore, the guide rail mechanism comprises linear rails and sliding blocks, the two linear rails are arranged on the workbench in parallel, and the two connecting plates are respectively arranged on the linear rails on the corresponding sides in a sliding manner through the sliding blocks.

Furthermore, the clamping mechanism comprises a clamping bottom plate and two groups of clamping block assemblies arranged on the clamping bottom plate, the clamping bottom plate is positioned and placed on the connecting plate, a workpiece mounting part is arranged in the middle of the clamping bottom plate, and the clamping block assemblies are correspondingly mounted on the side edge of the workpiece mounting part and used for clamping and positioning the workpiece in the front and back direction and in the left and right direction.

Further, the grip block subassembly include elasticity grip block and fixed grip block, elasticity grip block and fixed grip block set up the both sides at the work piece installation department relatively, the elasticity grip block include fixed block, sliding block, elastic component and direction slider, the fixed block install in the one side of keeping away from the work piece installation department, the direction slider install in the one side that is close to the work piece installation department, sliding block slidable install on the direction slider, fixed block and sliding block between connect through the elastic component.

Furthermore, the power mechanism comprises a stepping motor and a screw rod, the stepping motor is arranged on the workbench, the screw rod is arranged on an output shaft of the stepping motor, the screw rod is parallel to the sliding guide direction of the guide rail mechanism, a screw rod nut is arranged on the screw rod, a transmission connecting block is fixedly arranged on the screw rod nut, and the transmission connecting block is fixedly connected with the supporting plate mechanism.

Furthermore, the workbench is also provided with a screw rod mounting seat, and the screw rod is rotatably mounted on the screw rod mounting seat.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) the utility model discloses a work piece upset conveyor for stitch hole detects, including power unit, guide rail mechanism, tilting mechanism and layer board mechanism, layer board mechanism includes the connecting plate of slidable mounting on guide rail mechanism and installs two sets of clamping mechanism on the connecting plate, wherein at least a set of clamping mechanism location is taken on the connecting plate, tilting mechanism includes revolving cylinder, jacking cylinder and jacking layer board, revolving cylinder installs on the workstation, jacking cylinder installs on revolving cylinder's output shaft through the cylinder connecting block, the jacking layer board is installed at the piston rod top of jacking cylinder, and when layer board mechanism moved to the tilting mechanism top, the jacking layer board was located one of them a set of location and is taken under the clamping mechanism on the connecting plate, be used for jacking and horizontal upset clamping mechanism; through above-mentioned structure, utilize two sets of clamping machine structures that are used for placing the work piece of connecting plate bearing, utilize tilting mechanism's jacking layer board with a set of clamping machine structure jack-up and horizontal upset for work piece direction in two sets of clamping machine structures is unanimous, and utilizes power unit to drive two sets of clamping machine structures and remove to detecting the station together, the follow-up detection of the product of being convenient for, degree of automation is high, and detection efficiency is fast.

(2) The utility model discloses a work piece upset conveyor for stitch hole detects, guide rail mechanism include linear track and slider, two linear tracks are installed in parallel on the workstation, two connecting plates are installed on the linear track of corresponding side through the slider slip respectively; the two linear rails provide stable horizontal movement for the supporting plate mechanism, so that the supporting plate mechanism can stably guide and slide, workpieces are conveniently driven to be rapidly and stably transferred between stations, and the accuracy of workpiece feeding, discharging and detection is improved.

(3) The utility model discloses a work piece upset conveyor for stitch hole detects, clamping mechanism includes the clamping bottom plate and locates two sets of grip block group spares on the clamping bottom plate, the clamping bottom plate location is taken and is put on the connecting plate, clamping bottom plate middle part is equipped with the work piece installation department, two sets of grip block group spares correspond the side of installing at the work piece installation department, be used for around to the work piece, control and carry out the centre gripping location, place the work piece through the clamping bottom plate, through the side of the fixed work piece of 2 sets of grip block group spares, prevent that the work piece skew from causing the detection inaccurate.

(4) The utility model discloses a work piece upset conveyor for stitch hole detects, the grip block subassembly includes elasticity grip block and fixed grip block, elasticity grip block and fixed grip block set up in the both sides of work piece installation department relatively, elasticity grip block includes fixed block, sliding block, elastic component and guide slider, the fixed block is installed in the one side of keeping away from the work piece installation department, the guide slider is installed in the one side of being close to the work piece installation department, the sliding block is installed on the guide slider slidably, connect through the elastic component between fixed block and the sliding block; through the cooperation of the elastic clamping block and the fixed clamping block, an adjustable space for putting in and taking out the workpiece is provided, the workpiece can be quickly positioned on the clamping bottom plate conveniently, and meanwhile, the stability of clamping the workpiece is ensured through the elastic piece.

(5) The utility model discloses a work piece upset conveyor for stitch hole detects, power unit include step motor and lead screw, and step motor installs on the workstation, and the lead screw is installed on step motor's output shaft, and the lead screw parallels with the direction of leading of guide rail mechanism, installs screw-nut on the lead screw, and fixed mounting has the transmission connecting block on the screw-nut, and the transmission connecting block is connected with layer board mechanism fixed; the screw rod is driven to move by the stepping motor, the supporting plate mechanism is driven to move along with the movement of the screw rod nut by the transmission connecting block, the power for moving the supporting plate mechanism is provided, and the position control precision of the screw rod nut transmission mechanism is high, and the control is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a workpiece turnover conveying device for stitch hole detection according to the present invention;

fig. 2 is a schematic structural view of a turnover mechanism of a workpiece turnover conveying device for detecting pin holes according to the present invention;

fig. 3 is the utility model discloses a structural schematic diagram of a work piece upset conveyor's clamping machine constructs for stitch hole detects.

The reference numerals in the schematic drawings illustrate:

1. a work table; 2. a power mechanism; 2-1, a stepping motor; 2-2, a screw rod; 2-3, a screw rod mounting seat; 2-4, a screw nut; 3. a guide rail mechanism; 3-1, a guide rail lower supporting block; 3-2, linear track; 3-3, a sliding block; 3-4, connecting plates; 4. a turnover mechanism; 4-1, rotating a cylinder; 4-2, an output shaft; 4-3, a cylinder connecting block; 4-4, jacking a cylinder; 4-5, jacking a supporting plate; 4-6, rotating the cylinder bottom plate; 4-7, jacking supporting legs; 5. a pallet mechanism; 5-1, clamping mechanism; 5-2, elastic clamping blocks; 5-21, sliding blocks; 5-22, fixing blocks; 5-23, an elastic member; 5-24, a guide slide block; 5-3, fixing the clamping block; 5-4, clamping a bottom plate; 6. A transmission connecting block; 7. and (5) a workpiece.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

[ examples ]

Referring to fig. 1 and 2, the workpiece turnover conveying device for detecting a pin hole of the embodiment includes a power mechanism 2, a guide rail mechanism 3, a turnover mechanism 4 and a pallet mechanism 5, wherein the power mechanism 2 and the guide rail mechanism 3 are mounted on a workbench 1, the pallet mechanism 5 is slidably mounted on the guide rail mechanism 3, and the power mechanism 2 is in transmission connection with the pallet mechanism 5 and is used for driving the pallet mechanism 5 to slide on the guide rail mechanism 3 to realize the transfer of the pallet mechanism 5 at different stations; the supporting plate mechanism 5 comprises a connecting plate 3-4 which is slidably arranged on the guide rail mechanism 3 and two groups of clamping mechanisms 5-1 which are arranged on the connecting plate 3-4, wherein the clamping mechanisms 5-1 are used for positioning a workpiece 7 from the previous process (such as an injection molding machine), at least one group of clamping mechanisms 5-1 is positioned and overlapped on the connecting plate 3-4, specifically, in the embodiment, positioning pins are arranged on the connecting plate 3-4, positioning holes corresponding to the positioning pins are arranged on the clamping mechanisms 5-1, and the clamping mechanisms 5-1 are positioned on the connecting plate 3-4 through the positioning holes and the positioning pins; the turnover mechanism 4 comprises a rotary cylinder 4-1, a jacking cylinder 4-4 and a jacking supporting plate 4-5, wherein the rotary cylinder 4-1 is arranged on the workbench 1, the jacking cylinder 4-4 is arranged on an output shaft 4-2 of the rotary cylinder 4-1 through a cylinder connecting block 4-3, the jacking supporting plate 4-5 is arranged at the top of a piston rod of the jacking cylinder 4-4, and when the supporting plate mechanism 5 moves to the position above the turnover mechanism 4, the jacking supporting plate 4-5 is positioned below one group of clamping mechanisms 5-1 which are positioned and lapped on the connecting plate 3-4 and used for jacking and horizontally turning over the clamping mechanisms 5-1; specifically, 2 jacking support legs 4-7 are arranged at the bottom of a workbench 1, a rotary cylinder bottom plate 4-6 is installed on the 2 jacking support legs 4-7, corresponding through holes are formed in the workbench 1, the rotary cylinder 4-1 is installed on the rotary cylinder bottom plate 4-6, a cylinder connecting block 4-3 is installed on an output shaft of the rotary cylinder 4-1 through an output shaft 4-2, the jacking cylinder 4-4 penetrates through the through holes, and the jacking cylinder 4-4 is vertically arranged in the telescopic direction and used for driving a jacking supporting plate 4-5 to jack up a clamping mechanism 5-1. In order to prevent the jacking supporting plate 4-5 from driving the clamping mechanism 5-1 to displace in the jacking and rotating processes, at least two positioning columns are also arranged on the jacking supporting plate 4-5, positioning holes are arranged at corresponding positions of the clamping mechanism 5-1, when the corresponding clamping mechanism 5-1 moves to the position under the jacking supporting plate 4-5, the jacking cylinder 4-4 drives the jacking supporting plate 4-5 to move upwards, so that the positioning column on the jacking supporting plate 4-5 can be inserted into the positioning hole of the clamping mechanism 5-1, and then the jacking supporting plate 4-5 is stably jacked up, and the rotating cylinder 4-1 drives the clamping mechanism 5-1 to rotate horizontally, so that the horizontal rotation precision of the clamping mechanism 5-1 is ensured, and the clamping mechanism 5-1 can be conveniently and stably placed on the connecting plate 3-4 again after rotating in the direction.

As shown in fig. 2, in the present embodiment, the guide rail mechanism 3 includes linear rails 3-2 and sliders 3-3, two linear rails 3-2 are installed on the workbench 1 in parallel, two connecting plates 3-4 are respectively installed on the linear rails 3-2 on the corresponding sides in a sliding manner through the sliders 3-3, and the two linear rails 3-2 provide a stable horizontal motion for the pallet mechanism 5, so that the pallet mechanism 5 can stably guide and slide, so as to bring the workpiece 7 to be rapidly and stably transferred between each station, and improve the accuracy of loading and unloading and detection of the workpiece 7. Specifically, the linear track 3-2 is installed on the workbench 1 through the lower support block 3-1 of the guide rail so as to be convenient for heightening the supporting plate mechanism 5, and in order to be convenient for detecting pin holes on the workpiece 7, the left and right connecting plates 3-4 are respectively installed on the sliders 3-3 symmetrically so as to make up the bottom space of the supporting plate mechanism 5, so that the pin holes on the workpiece 7 can be conveniently irradiated by a light source, and the pin holes on the workpiece 7 can be conveniently photographed and detected by adopting a camera.

As shown in fig. 3, in this embodiment, in order to fix the position of the workpiece 7 and prevent the workpiece 7 from being misaligned to cause inaccurate detection, the clamping mechanism 5-1 includes a clamping bottom plate 5-4 and two sets of clamping block assemblies disposed on the clamping bottom plate 5-4, the clamping bottom plate 5-4 is disposed on the connecting plate 3-4 in a locating manner, a workpiece mounting portion is disposed in the middle of the clamping bottom plate 5-4, the two sets of clamping block assemblies are correspondingly mounted on the side of the workpiece mounting portion and used for clamping and locating the workpiece 7 in the front, back, left, and right directions, the workpiece mounting portion is a hollow structure adapted to the workpiece 7, and the 2 sets of clamping block assemblies are correspondingly mounted on the side of the workpiece mounting portion and can position and clamp the workpiece 7, thereby effectively preventing the workpiece 7 from being misaligned to cause inaccurate detection.

As shown in fig. 3, the clamping block assemblies include elastic clamping blocks 5-2 and fixed clamping blocks 5-3, the elastic clamping blocks 5-2 and the fixed clamping blocks 5-3 are oppositely arranged on two sides of the workpiece mounting portion, that is, the clamping directions of the two clamping block assemblies on the clamping bottom plate 5-4 are perpendicular, the workpiece 7 can be clamped from two directions, the fixed clamping blocks 5-3 serve as side positioning references of the workpiece, and the elastic clamping blocks 5-2 are used for enabling the sides of the workpiece to abut against the fixed clamping blocks 5-3, so that the workpiece 7 is positioned on the clamping bottom plate 5-4. The elastic clamping block 5-2 comprises a sliding block 5-21, a fixed block 5-22, an elastic part 5-23 and a guide sliding block 5-24, the fixed block 5-22 is installed at one side far away from the workpiece installation part, the guide sliding block 5-24 is installed at one side close to the workpiece installation part, the sliding block 5-21 is installed on the guide sliding block 5-24 in a sliding manner, and the sliding block 5-21 is connected with the fixed block 5-22 through the elastic part 5-23; specifically, one side of the fixed clamping block 5-3 and one side of the sliding block 5-21, which are close to the workpiece mounting part, are both designed to be inclined planes, so that the workpiece 7 is placed in a guiding effect, and the lengths of the elastic clamping block 5-2 and the fixed clamping block 5-3 are matched with the length of the workpiece 7, so that the workpiece 7 is clamped and fixed.

Returning to fig. 1, in this embodiment, the power mechanism 2 includes a stepping motor 2-1 and a lead screw 2-2, the stepping motor 2-1 is installed on the workbench 1, the lead screw 2-2 is installed on an output shaft of the stepping motor 2-1, and the lead screw 2-2 is parallel to the sliding direction of the guide rail mechanism 3, a lead screw nut 2-4 is installed on the lead screw 2-2, a transmission connecting block 6 is fixedly installed on the lead screw nut 2-4, the transmission connecting block 6 is fixedly connected with the support plate mechanism 5, the lead screw 2-2 is driven by the stepping motor 2-1 to move, the support plate mechanism 5 is driven by the transmission connecting block 6 to move along with the movement of the lead screw nut, so as to provide power for the movement of the support plate mechanism 5, and the position control precision of the lead screw nut transmission mechanism is high, and the control is simple and convenient. Specifically, in the embodiment, the transmission connecting block 6 is connected with one of the two sets of clamping mechanisms 5-1, the other set of clamping mechanism 5-1 is movably overlapped on the connecting plate 3-4, and in the process that the lead screw nut 2-4 drives the transmission connecting block 6 to move, the transmission connecting block 6 can drive one set of clamping mechanism 5-1 to move together, and then the other set of clamping mechanism 5-1 is driven by the connecting plate 3-4 to move together, so that the synchronous movement of the two sets of clamping mechanisms 5-1 is realized, and the jacking rotation of the clamping mechanism 5-1 matched with the turnover mechanism 4 is not influenced. Further, as shown in fig. 1, in the present embodiment, a screw rod mounting seat 2-3 is further disposed on the working platform 1, and the screw rod is rotatably mounted on the screw rod mounting seat 2-3; the screw rod installation part is respectively arranged at the head end and the tail end of the screw rod, and the screw rod installation part is fixed on the workbench 1 through screws.

In the workpiece turnover conveying device for detecting the pin holes, when the workpiece turnover conveying device works, a stepping motor 2-1 works to drive a screw rod 2-2 to rotate, and further drives a supporting plate mechanism 5 to move on two linear rails 3-2 through a screw rod nut 2-4, when the supporting plate mechanism 5 moves to the position above a turnover mechanism 4, a workpiece taking manipulator of an injection molding machine takes out a workpiece 7 from the injection molding machine and places the workpiece 7 on two groups of clamping mechanisms 5-1 of the supporting plate mechanism 5, and clamping block assemblies on the clamping mechanisms 5-1 position and clamp the workpiece 7; then, a jacking cylinder 4-4 in the turnover mechanism 4 acts to drive a jacking supporting plate 4-5 to support a clamping bottom plate 5-4 of one group of clamping mechanisms 5-1, and a rotating cylinder 4-1 drives the jacking supporting plate 4-5 to rotate 180 degrees, so that the direction of the clamping bottom plate 5-4 is integrally turned, and the directions of two workpieces 7 which are opposite in original direction are consistent; then the jacking cylinder 4-4 descends, the clamping mechanisms 5-1 are placed back on the connecting plate 3-4 again, and the stepping motor 2-1 drives the two groups of clamping mechanisms 5-1 to move towards the detection station for subsequent detection. After the detection is finished and the blanking is carried out, the two groups of empty clamping mechanisms 5-1 are conveyed back to the position above the turnover mechanism 4 by the power mechanism 2 again, the turnover mechanism 4 repeats the actions, and the clamping mechanisms 5-1 are rotated and reset to wait for the turnover and conveying of the next workpiece.

The utility model discloses a work piece upset conveyor for stitch hole detects drives the jacking layer board through the jacking cylinder and lifts up clamping machine and construct, and it is rotatory to drive clamping machine through revolving cylinder, changes the direction of work piece in the clamping machine structure, makes two injection moulding product directions opposite in direction unanimous, and the follow-up detection of the product of being convenient for, degree of automation is high, and detection efficiency is fast.

The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.

Claims

1. The utility model provides a work piece upset conveyor for stitch hole detects, includes power unit (2), guide rail mechanism (3), tilting mechanism (4) and layer board mechanism (5), power unit (2) and guide rail mechanism (3) install on workstation (1), layer board mechanism (5) install on guide rail mechanism (3) with sliding, power unit (2) be connected with layer board mechanism (5) transmission for drive layer board mechanism (5) slide on guide rail mechanism (3), its characterized in that: the supporting plate mechanism (5) comprises a connecting plate (3-4) which is slidably arranged on the guide rail mechanism (3) and two groups of clamping mechanisms (5-1) which are arranged on the connecting plate (3-4), wherein at least one group of clamping mechanism (5-1) is positioned and overlapped on the connecting plate (3-4), the turnover mechanism (4) comprises a rotary cylinder (4-1), a jacking cylinder (4-4) and a jacking supporting plate (4-5), the rotary cylinder (4-1) is arranged on the workbench (1), the jacking cylinder (4-4) is arranged on an output shaft (4-2) of the rotary cylinder (4-1) through a cylinder connecting block (4-3), the jacking supporting plate (4-5) is arranged at the top of a piston rod of the jacking cylinder (4-4), and when the supporting plate mechanism (5) moves to the position above the turnover mechanism (4), the jacking supporting plates (4-5) are positioned below one group of clamping mechanisms (5-1) which are positioned and overlapped on the connecting plates (3-4) and are used for jacking the clamping mechanisms (5-1) and horizontally turning.

2. The workpiece turnover conveying device for the pinhole detection according to claim 1, characterized in that: the guide rail mechanism (3) comprises linear rails (3-2) and sliding blocks (3-3), the two linear rails (3-2) are arranged on the workbench (1) in parallel, and the two connecting plates (3-4) are respectively arranged on the linear rails (3-2) on the corresponding sides in a sliding mode through the sliding blocks (3-3).

3. The workpiece turnover conveying device for the pinhole detection according to claim 2, characterized in that: the clamping mechanism (5-1) comprises a clamping bottom plate (5-4) and two groups of clamping block components arranged on the clamping bottom plate (5-4), the clamping bottom plate (5-4) is positioned and placed on the connecting plate (3-4), a workpiece mounting part is arranged in the middle of the clamping bottom plate (5-4), and the clamping block components are correspondingly mounted on the side of the workpiece mounting part and used for clamping and positioning the workpiece (7) in the front, back, left and right directions.

4. The workpiece turnover conveying device for the pinhole detection as recited in claim 3, wherein: the clamping block component comprises an elastic clamping block (5-2) and a fixed clamping block (5-3), the elastic clamping block (5-2) and the fixed clamping block (5-3) are oppositely arranged at two sides of the workpiece mounting part, the elastic clamping block (5-2) comprises a fixed block (5-22), a sliding block (5-21), an elastic piece (5-23) and a guide sliding block (5-24), the fixed blocks (5-22) are arranged at one side far away from the workpiece mounting part, the guide slide blocks (5-24) are arranged at one side close to the workpiece mounting part, the sliding blocks (5-21) are arranged on the guide sliding blocks (5-24), and the fixed blocks (5-22) are connected with the sliding blocks (5-21) through elastic pieces (5-23).

5. The workpiece turnover conveying device for the pinhole detection according to claim 1, characterized in that: the power mechanism (2) comprises a stepping motor (2-1) and a screw rod (2-2), the stepping motor (2-1) is installed on the workbench (1), the screw rod (2-2) is installed on an output shaft of the stepping motor (2-1), the screw rod (2-2) is parallel to the sliding guide direction of the guide rail mechanism (3), a screw rod nut (2-4) is installed on the screw rod (2-2), a transmission connecting block (6) is fixedly installed on the screw rod nut (2-4), and the transmission connecting block (6) is fixedly connected with the supporting plate mechanism (5).

6. The workpiece turnover conveying device for the pinhole detection as recited in claim 5, wherein: the workbench (1) is also provided with a screw rod mounting seat (2-3), and the screw rod (2-2) is rotatably mounted on the screw rod mounting seat (2-3).