CN215447802U - Positioning device for simultaneously positioning multiple products - Google Patents

Abstract

The utility model relates to a positioning device for positioning a plurality of products simultaneously, which comprises an elastic mechanism, a plurality of pushing pieces and a positioning jig, wherein the pushing pieces are arranged between the elastic mechanism and the positioning jig, the positioning jig is used for placing a product to be measured, a vertical leaning surface is arranged on one side, close to the pushing pieces, of the positioning jig, a placing surface is also arranged above the positioning jig, close to the pushing pieces, and is vertical to the leaning surface, and the positioning jig is arranged to push the pushing pieces to attach the corresponding measuring reference surfaces of the product to be measured to the leaning surface through the elastic mechanism so as to position the products to be measured. The elastic mechanism simultaneously pushes the pushing pieces, so that each product is simultaneously attached to the corresponding placing surface and the corresponding leaning surface, and the multiple products are accurately positioned at the same time; the problem of among the prior art can't pinpoint a plurality of products, product roughness measuring error is big is solved.

Description

Positioning device for simultaneously positioning multiple products

Technical Field

The utility model relates to the technical field of positioning jigs, in particular to a positioning device for positioning a plurality of products simultaneously.

Background

The improvement of the automation degree greatly improves the product yield, so that the detection efficiency of large-batch micro electronic parts becomes increasingly important, and the image detection is gradually becoming the mainstream detection method of the precision part detection due to the characteristics of high efficiency, high precision and the like. In order to ensure the detection precision and improve the detection efficiency as much as possible, a positioning mechanism needs to be designed to position the product to be detected.

In the prior art, the positioning mode of the positioning mechanism is generally divided into two modes of clamping positioning and jig positioning, wherein the clamping positioning mode has the following defects: 1. a complex movable clamping mechanism needs to be designed, so that the cost is high; 2. when the detected part is small, the movable clamping mechanism is often difficult to design.

And the fixture positioning mode can effectively clamp and position the existing problems. But general product tool all uses single tool piece and ejector pad to fix a position a plurality of products simultaneously, and current tool piece and ejector pad mainly have following technical problem:

1) when a plurality of products are positioned at the same time, the measuring reference surfaces of the products cannot be attached to the jig at the same time, so that the measuring precision is low and the error is large;

2) the positioning of a plurality of products is realized by using a single jig, and the situation that the products are directly overturned can be caused because the positioning jig is inclined, the products are placed unevenly or one end of the push block contacts the other end of the products firstly and then contacts the products;

3) when the appearance that the product needs to detect is more, need carry out a lot of location to the product, the product has risks such as being crushed and warping.

Therefore, it is necessary to provide a positioning device capable of accurately positioning a plurality of products at the same time, facilitating the operation, and avoiding the product from being crushed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a positioning device for positioning a plurality of products simultaneously. The problem of among the prior art can't pinpoint a plurality of products, product roughness measuring error is big is solved.

The technical effects of the utility model are realized as follows:

the utility model provides a positioner for fixing a plurality of products simultaneously, includes elastic mechanism, a plurality of impeller and positioning jig, and a plurality of the impeller is located elastic mechanism with between the positioning jig, positioning jig is close to impeller one side is equipped with vertical position face of leaning on, positioning jig top is close to impeller position still is equipped with places the face, place the face with lean on the position face perpendicular, place the face and be used for placing the product that awaits measuring, positioning jig sets up to promote a plurality of the impeller will correspond the measuring reference surface laminating of the product that awaits measuring through elastic mechanism leans on the position face in order to accomplish the location of a plurality of products that await measuring. Promote a plurality of impeller simultaneously through elastic mechanism for every product laminating has realized the accurate positioning to a plurality of products simultaneously on the face of placing that corresponds and leaning on the position face, has guaranteed the measurement accuracy of product, has solved among the prior art and can't carry out the accurate positioning to a plurality of products, and product roughness measuring error is big problem.

The pushing seat is provided with a groove, the groove is provided with an opening, the opening faces the leaning surface, the pushing piece penetrates through the opening and is arranged at the bottom of the groove, the pushing piece and the opening are in clearance fit, and the clamping spring is fixedly arranged between one end, far away from the leaning surface, of the pushing piece and the side wall, opposite to the opening, of the groove. The pushing piece is fixed through the clamping spring, so that the clamping spring can generate an elastic force in the opposite direction after the pushing piece presses the product, the product is prevented from being crushed, and the risk that the product is crushed or deformed can be reduced under the condition that the product needs to be positioned for many times due to more appearance faces needing to be detected.

Furthermore, an opening is formed in the pushing piece, a first limiting piece is arranged in the opening, the first limiting piece is fixed to the bottom of the groove, the length of the opening in the Y direction is larger than that of the first limiting piece in the Y direction, and the length of the opening in the X direction is matched with that of the first limiting piece in the X direction. Through set up first locating part collocation impeller and fix through clamping spring in the trompil of impeller for when carrying out the location of a plurality of products simultaneously, the impeller can realize controlling and less swing around, thereby makes a plurality of products lean on the position face of leaning on that positioning jig more steadily, has avoided because positioning jig slope, product place not flat or impeller one end contact the product after the other end of product earlier, directly lifts the condition emergence of turning over the product.

The clamping device further comprises a fixing piece, wherein the fixing piece is arranged above the pushing piece and is pressed on the clamping spring and the first limiting piece.

Further, the elastic mechanism comprises a return spring, an abutting piece and a first driving mechanism, the abutting piece is fixedly arranged at the rear of the pushing seat, the return spring abuts against the pushing seat and the abutting piece, and the first driving mechanism is used for pushing the pushing seat to compress the return spring.

Furthermore, the positioning jig comprises a plurality of jig blocks, and the jig blocks and the pushing pieces are arranged in a one-to-one correspondence manner.

Further, a second limiting part is fixedly arranged on the leaning surface and/or the placing surface, and the second limiting part is configured to abut against the to-be-detected product on the corresponding second limiting part when the to-be-detected product is placed on the corresponding jig block.

Further, still include and dial material mechanism, dial material mechanism is used for stirring the product to be measured butt to corresponding on the second locating part. The material shifting mechanism is matched with the second limiting part, so that the X-direction positioning of the product on the positioning jig is realized, and the product is convenient to detect.

Further, the pressing mechanism is arranged above the positioning jig and is set to press the to-be-detected product to be flatly attached to the placing surface after the to-be-detected product abuts against the second limiting part. The Z-direction positioning of the product on the positioning jig is realized by arranging the material pressing mechanism, and the measurement precision of the product is ensured.

Furthermore, the positioning jig is provided with a light hole, the light hole is arranged below the leaning surface, and the light hole is used for detecting the size between the measuring surface of the product to be measured and the leaning surface. Through setting up the light trap, utilize the industry camera to take notes every tool piece in advance lean on the position face position, after the product laminating is on the tool piece, only need utilize the position of the measurement reference face that the industry camera measured the product, can realize the measurement to the product roughness to shorten check-out time.

As described above, the present invention has the following advantageous effects:

1) promote a plurality of impeller simultaneously through elastic mechanism for every product laminates simultaneously and places the face and lean on the position face corresponding, realized simultaneously to the ascending accurate positioning in Y of a plurality of products, guaranteed the measurement accuracy of product, solved among the prior art can't carry out the accurate positioning to a plurality of products, problem that product roughness measuring error is big.

2) The pushing piece is fixed through the clamping spring, so that the clamping spring can generate an elastic force in the opposite direction after the pushing piece presses the product, the product is prevented from being crushed, and the risk that the product is crushed or deformed can be reduced under the condition that the product needs to be positioned for many times due to more appearance faces needing to be detected.

3) Through set up first locating part collocation impeller and fix through clamping spring in the trompil of impeller for when carrying out the location of a plurality of products simultaneously, the impeller can realize controlling and less swing around, thereby makes a plurality of products lean on the position face of leaning on that positioning jig more steadily, has avoided because positioning jig slope, product place not flat or impeller one end contact the product after the other end of product earlier, directly lifts the condition emergence of turning over the product.

4) The material shifting mechanism is matched with the second limiting part, so that the X-direction positioning of the product on the positioning jig is realized, and the product is convenient to detect.

5) The Z-direction positioning of the product on the positioning jig is realized by arranging the material pressing mechanism, and the measurement precision of the product is ensured.

6) Through setting up the light trap, utilize the industry camera to take notes every tool piece in advance lean on the position face position, after the product laminating is on the tool piece, only need utilize the position of the measurement reference face that the industry camera measured the product, can realize the measurement to the product roughness to shorten check-out time.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art it is also possible to derive other drawings from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a positioning device for positioning multiple products simultaneously according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a material ejecting mechanism and a clamping spring provided in an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of the cooperation between a return spring and a push seat provided in the embodiments of the present disclosure;

fig. 4 is a schematic structural diagram of a pressing mechanism provided in an embodiment of the present description;

FIG. 5 is a schematic view of a first driving mechanism and a sliding rod provided in an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a kick-out mechanism provided in an embodiment of the present description.

Wherein the reference numerals in the figures correspond to:

the device comprises an elastic mechanism 1, a return spring 101, an abutting part 102, a first driving mechanism 103, a pushing part 2, an opening 21, a positioning jig 3, a leaning surface 31, a placing surface 32, a jig block 4, a pushing seat 5, a groove 51, an opening 511, a clamping spring 6, a first limiting part 7, a fixing part 8, a second limiting part 9, a base 10, a pressing mechanism 11, a sliding rod 12, a groove 13, a second driving mechanism 14, a third driving mechanism 15 and a material shifting part 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1:

as shown in fig. 1-6, an embodiment of the present specification provides a positioning device for positioning multiple products simultaneously, including an elastic mechanism 1, multiple pushing members 2 and a positioning fixture 3, where the multiple pushing members 2 are disposed between the elastic mechanism 1 and the positioning fixture 3, a vertical leaning surface 31 is disposed on one side of the positioning fixture 3 close to the pushing members 2, a placing surface 32 is further disposed above the positioning fixture 3 close to the pushing members 2, the placing surface 32 is perpendicular to the leaning surface 31, the placing surface 32 is used for placing a product to be tested, and the positioning fixture 3 is configured to push the multiple pushing members 2 to attach corresponding measurement datum surfaces of the product to be tested to the leaning surface 31 through the elastic mechanism 1, so as to complete positioning of the multiple products to be tested.

It should be noted that, promote a plurality of impeller 2 simultaneously through elastic mechanism 1 for every product is laminated simultaneously on corresponding place face 32 and leaning on the position face 31, has realized the accurate positioning to a plurality of products simultaneously, has guaranteed the measurement accuracy of product, has solved among the prior art and can't carry out the accurate positioning to a plurality of products, and product roughness measurement error is big problem.

Specifically, the positioning device further comprises a pushing seat 5 and a clamping spring 6, wherein a groove 51 is formed in the pushing seat 5, an opening 511 is formed in the groove 51, the opening 511 is arranged towards the leaning surface 31, the pushing member 2 is arranged at the bottom of the groove 51 through the opening 511, the clamping spring 6 is fixedly arranged between one end, away from the leaning surface 31, of the pushing member 2 and the side wall of the groove 51 opposite to the opening 511, the pushing member 2 and the opening 511 are in clearance fit, namely the size of the opening 511 is slightly larger than that of the pushing member 2 at the position of the opening 511, so that when a plurality of products are positioned at the same time, the pushing member 2 can swing slightly leftwards and rightwards, and therefore the plurality of products can lean against the leaning surface 31 of the positioning jig more stably.

Specifically, the elastic mechanism 1 includes a return spring 101, an abutting piece 102 and a first driving mechanism 103, the abutting piece 102 is fixedly arranged behind the pushing seat 5, the abutting piece 102 is fixed on the base 10, the return spring 101 abuts between the pushing seat 5 and the abutting piece 102, and the first driving mechanism 103 is used for pushing the pushing seat 5 to compress the return spring 101.

Specifically, the positioning device further comprises a base 10, the base 10 is used for bearing the pushing seat 5, wherein a Y-direction guide rail is fixedly arranged on the base 10, the pushing seat 5 can move back and forth along the guide rail, and the abutting part 102 is fixedly arranged on the base 10.

In this embodiment, a Y-direction slot 13 is disposed below the base 10, a sliding rod 12 is fixedly disposed below the pushing seat 5, a slope is disposed on a surface of the bottom of the sliding rod 12 facing the positioning jig, the slope inclines forward, the first driving mechanism 103 is disposed below the sliding rod 12, a moving direction of the first driving mechanism 103 is a Z direction, when the first driving mechanism 103 moves upward, the sliding rod 12 receives an acting force of the slope in the Y direction by pushing the slope, so that the sliding rod 12 moves backward along the slot 13, and the sliding rod 12 drives the pushing seat 5 to move backward, as the pushing seat 5 moves backward, the compression return spring 101 deforms between the pushing seat 5 and the abutting piece 102, and separates from the slope after the first driving mechanism 103 moves downward, at this time, the return spring 101 resets, and the pushing seat 5 is pushed by the return spring 101 to move forward in the resetting process, so that the pushing member 2 presses the product against the leaning surface 31 of the positioning jig 3 to realize the positioning of the product. The moving direction of the pushing piece 5 to the position of the product is from back to front, namely the front-back direction is the Y direction, the direction vertical to the Y direction on the plane of the base 10 is the X direction, namely the left-right direction, and the direction vertical to the plane of the base 10 is the Z direction.

Specifically, the first driving mechanism 103 is an air cylinder, the air cylinder can move up and down relative to the pushing seat 5, and when the air cylinder starts to move up, the pushing seat 5 is driven to move backward to compress the return spring 101; after the return spring is compressed to the set position, the cylinder starts moving down, i.e., retracts to the home position, and the return spring 101 starts the return process.

It should be noted that, the pushing member 2 is fixed on the side wall of the pushing seat 5 through the clamping spring 6, so that the clamping spring 6 generates an elastic force in the opposite direction after the pushing member 2 presses the product, thereby avoiding crushing the product, and reducing the risk of crushing or deforming the product under the condition that the product needs to be positioned for many times due to more appearance surfaces to be detected.

Specifically, the positioning jig 3 includes a plurality of jig blocks 4, and the plurality of jig blocks 4 and the plurality of pushing members 2 are disposed in one-to-one correspondence.

In this embodiment, the plurality of jig blocks 4 are the same jig block and have the same position in the Y direction, and can simultaneously complete the test of a plurality of the same products.

In some other embodiments, the jig blocks 4 with different thicknesses may be provided according to the thickness of the products in the Y direction, that is, when the foremost ends of the plurality of jig blocks 4 are on a horizontal plane, if the thickness of the products in the Y direction is thicker, the corresponding jig block 4 is designed to be a structure with a thinner thickness in the Y direction, so as to ensure that the sum of the thickness of each product in the Y direction and the thickness of the corresponding jig block 4 in the Y direction is the same, so that when the plurality of pushing members 2 push the corresponding plurality of products simultaneously, the plurality of products can be simultaneously attached to the corresponding jig block 4 to complete the simultaneous positioning of the plurality of products.

In other embodiments, the jig blocks 4 are detachably and fixedly connected to the base 10, that is, the positions of the jig blocks 4 on the base 10 can be set according to the thickness difference of the products in the Y direction, and the thickness of the products in the Y direction is thicker, so that the corresponding jig blocks 4 are designed to move forward relative to the reference position by the distance of the difference between the thickness of the products and the reference thickness, and the positions of the products with different thicknesses through adjusting the corresponding jig blocks 4 are ensured, so that when the plurality of pushing members 2 push the corresponding products at the same time, the plurality of products can reach the reference position, that is, the products can be attached to the corresponding jig blocks 4 at the same time to complete the simultaneous positioning of the plurality of products.

Specifically, the pushing member 2 is provided with an opening 21, a first limiting member 7 is arranged in the opening 21, the first limiting member 7 is fixed at the bottom of the groove 51, the length of the opening 21 in the front-rear direction is greater than that of the first limiting member 7 in the front-rear direction, and the length of the opening 21 in the X direction is matched with that of the first limiting member 7 in the X direction.

Specifically, the clamping device further comprises a fixing piece 8, wherein the fixing piece 8 is arranged above the pushing piece 2, and the fixing piece 8 is pressed on the clamping spring 6 and the first limiting piece 7.

In this embodiment, the opening 21 is an elliptical hole, the elliptical hole is symmetrical in the X direction and the Y direction, the length of the elliptical hole in the X direction is smaller than that of the elliptical hole in the Y direction, the first limiting member 7 is a pin, and the diameter of the pin is matched with the length of the elliptical hole in the X direction.

It should be noted that, by arranging the first limiting member 7 in the opening 21 of the pushing member 2, when positioning a plurality of products simultaneously, the pushing member 2 can swing slightly forward and backward, and meanwhile, the pushing member 2 is fixed by the clamping spring 6, so that the pushing member 2 can swing slightly forward and backward and leftward and rightward, and therefore a plurality of products can lean against the leaning surface 31 of the positioning jig more stably, and the situation that the products are placed unevenly or one end of the pushing member 2 contacts the other end of the products first and then contacts the products, and the products are directly flipped over is avoided.

Specifically, a second limiting member 9 is fixedly disposed on the leaning surface 31 or the placing surface 32, the second limiting member 9 is configured to abut against the second limiting member 9 when the product to be tested is placed on the positioning fixture 3, and the second limiting member is a pin.

Specifically, the positioning device further comprises a material shifting mechanism, the material shifting mechanism can move relatively relative to the leaning surface 31 or the placing surface 32, and the material shifting mechanism is used for shifting a product to be measured to abut against the second limiting part 9.

Specifically, the material poking mechanism comprises a plurality of material poking pieces 16, and the material poking pieces 16 are located in the opposite direction of the second limiting piece 9.

Specifically, the positioning device further comprises a second driving mechanism 14 and a third driving mechanism 15, the second driving mechanism 14 is used for moving the material shifting mechanism in the Y direction, the third driving mechanism 15 is used for moving the material shifting mechanism in the X direction, and before testing, the second driving mechanism 14 controls the material shifting mechanism to move forwards to be far away from the positioning jig; after the product to be tested is pressed on the leaning surface by the pushing piece under the action of the elastic mechanism, the second driving mechanism 14 controls the material stirring mechanism to move backwards to the set position, and the third driving mechanism 15 controls the material stirring piece 16 to move towards the second limiting piece 9 to stir the product to be tested to abut against the second limiting piece 9. The second drive mechanism 14 and the third drive mechanism 15 are air cylinders.

Specifically, still include swager 11, swager 11 locates the top of positioning jig 3, and swager 11 compresses tightly the product that awaits measuring and pastes on placing the face 32 flatly, and positioning jig 3 is equipped with the light trap, and the light trap is located and leans on position face 31 below, and the light trap is used for detecting the measurement face of the product that awaits measuring to leaning on the size between the position face 31.

Specifically, the light-transmitting hole below is equipped with the industry camera, utilizes the industry camera to take notes every tool piece 4 in advance lean on position face 31 position, after a plurality of products laminating on the tool piece 4 that corresponds, only needs to utilize the position of the measuring reference face of industry camera measurement each product, can realize the measurement to the product roughness to shorten check-out time.

An embodiment of the present specification further provides a positioning method for positioning a plurality of products simultaneously, where the method is implemented based on the positioning apparatus in embodiment 1 for positioning a plurality of products simultaneously, and the method includes:

controlling the material shifting mechanism to shift the product to be detected to abut against the second limiting part 9;

controlling the first driving mechanism 103 to drive to move the pushing seat 5 backwards, the pushing seat 5 compressing the return spring 101 to deform between the return spring 101 pushing seat 5 and the abutment member 102;

after the first driving mechanism 103 is controlled to stop driving, the return spring 101 starts to reset, and the return spring 101 pushes the pushing seat 5 to move forwards in the resetting process;

the pushing piece 2 is fixed on the pushing seat 5 through the clamping spring 6 in a matched manner by carrying out X-direction limiting through the first limiting piece 7 in the opening 21 of the pushing piece 2, so that when a plurality of products are positioned at the same time, the pushing piece 2 can swing slightly left and right and back and forth, and the products can stably lean against the leaning surface 31 of the positioning jig;

and controlling the third driving mechanism 15 to control the material stirring part 16 to move towards the second limiting part 9 so as to stir the product to be detected to abut against the corresponding second limiting part 9.

Although the present invention has been described by way of preferred embodiments, the present invention is not limited to the embodiments described herein, and various changes and modifications may be made without departing from the scope of the present invention.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The embodiments and features of the embodiments described herein above can be combined with each other without conflict.

While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (10)

1. A positioning device for positioning a plurality of products simultaneously is characterized by comprising an elastic mechanism (1), a plurality of pushing pieces (2) and a positioning jig (3), wherein the pushing pieces (2) are arranged between the elastic mechanism (1) and the positioning jig (3), one side of the positioning jig (3) close to the pushing piece (2) is provided with a vertical leaning surface (31), a placing surface (32) is arranged above the positioning jig (3) and close to the pushing piece (2), the placing surface (32) is vertical to the leaning surface (31), the placing surface (32) is used for placing a product to be measured, the positioning jig (3) is arranged to push the pushing pieces (2) to attach the corresponding measuring datum planes of the products to be measured to the leaning surface (31) through the elastic mechanism (1) so as to complete the positioning of the products to be measured.

2. The device according to claim 1, further comprising a pushing seat (5) and a clamping spring (6), wherein a groove (51) is formed in the pushing seat (5), the groove (51) is provided with an opening (511), the opening (511) is disposed toward the resting surface (31), the pushing member (2) is disposed at the bottom of the groove (51) through the opening (511), the pushing member (2) and the opening (511) are in clearance fit, and the clamping spring (6) is fixedly disposed between one end of the pushing member (2) away from the resting surface (31) and the side wall of the groove (51) opposite to the opening (511).

3. The device according to claim 2, wherein the pushing member (2) is provided with an opening (21), a first limiting member (7) is provided in the opening (21), the first limiting member (7) is fixed at the bottom of the groove (51), the length of the opening (21) in the Y direction is greater than that of the first limiting member (7) in the Y direction, and the length of the opening (21) in the X direction matches that of the first limiting member (7) in the X direction.

4. A positioning device for simultaneously positioning a plurality of products, according to claim 3, characterized in that it comprises a fixed element (8), said fixed element (8) being arranged above said pusher (2), said fixed element (8) being pressed against said clamping spring (6) and against said first stop element (7).

5. The device according to claim 4, characterized in that the elastic means (1) comprise a return spring (101), an abutment member (102) and a first driving means (103), the abutment member (102) being fixedly arranged behind the pushing seat (5), the return spring (101) being in abutment between the pushing seat (5) and the abutment member (102), the first driving means (103) being adapted to push the pushing seat (5) to compress the return spring (101).

6. The device according to claim 1, characterized in that the positioning jig (3) comprises a plurality of jig blocks (4), and the jig blocks (4) are arranged in one-to-one correspondence with the pushers (2).

7. The positioning device according to claim 6, wherein a second stop member (9) is fixedly disposed on the positioning surface (31) and/or the placing surface (32), and the second stop member (9) is configured to abut against the second stop member (9) when the product to be tested is placed on the corresponding jig block (4).

8. The positioning device for positioning multiple products simultaneously according to claim 7, further comprising a material shifting mechanism for shifting the product to be tested to abut against the corresponding second limiting member (9).

9. The positioning device for positioning multiple products simultaneously according to claim 8, further comprising a pressing mechanism (11), wherein the pressing mechanism (11) is disposed above the positioning fixture (3), and the pressing mechanism (11) is configured to press the product to be tested to flatly attach to the placement surface (32) after the product to be tested abuts against the second limiting member (9).

10. The positioning device for positioning a plurality of products simultaneously as claimed in claim 1, wherein the positioning fixture (3) is provided with a light hole, the light hole is arranged below the leaning surface (31), and the light hole is used for detecting the dimension from the measuring surface of the product to be measured to the leaning surface (31).

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