CN210938392U

CN210938392U - In-place detection device

Info

Publication number: CN210938392U
Application number: CN201921681237.5U
Authority: CN
Inventors: 朱浙滨; 张晨
Original assignee: Donghai Science and Technology Colloge of ZJOU
Current assignee: Donghai Science and Technology Colloge of ZJOU
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-07
Anticipated expiration: 2029-10-09

Abstract

The utility model provides a detection device targets in place belongs to the machine-building and detects technical field. It has solved the complicated and low problem of detection efficiency of current detection device structure. This detection device targets in place, including bottom plate, the translation board that slides the setting at the bottom plate upper surface and fix the cylinder that is used for driving the translation board back-and-forth movement at the base upper surface, all be fixed with a plurality of photoelectric sensor on the side around the crossbeam, the photoelectric sensor one-to-one of front and back side, the upper surface of translation board has the fixed block, it can follow gliding ejector pin around to have a plurality of on the fixed block, have on the fixed block and can make the ejector pin have the spring that moves the trend forward, the front end of ejector pin is for the leading flank of fixed block protrusion forward, the rear end of ejector pin is fixed with the response piece. The structure occupies a small installation space, can detect a plurality of products at one time, greatly improves the detection efficiency of the products and is beneficial to improving the assembly efficiency of the products.

Description

In-place detection device

Technical Field

The utility model belongs to the technical field of the machine-building detects, especially a detection device targets in place.

Background

The existing products on the market are generally assembled by a plurality of parts, the parts are generally assembled in sequence by an assembly mode of an assembly line, in the assembly line of the product assembly, after one assembly step is completed and before the next assembly step is performed, the assembly step which is just completed needs to be detected by a detection device, whether the part of the previous assembly step is installed in place is detected, and the next assembly step can be performed only after the part of the previous assembly step is installed in place.

At present, the traditional detection device for detecting whether parts are installed in place is including CCD imaging device, CCD imaging device's structure is complicated, needs great installation space, when installing on the assembly line easily with other mechanisms on the assembly line take place the installation interference problem, CCD imaging device once can only detect single product to the device cost is expensive, in case need return the factory maintenance after dismantling CCD imaging device after the device goes wrong, influences the normal work of assembly line.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a detection device targets in place, the utility model aims to solve the technical problem that: how to simplify the structure of the in-place detection device and improve the detection efficiency.

The purpose of the utility model can be realized by the following technical proposal:

an in-place detection device comprises a bottom plate, a translation plate arranged on the upper surface of the bottom plate in a sliding manner, and a cylinder fixed on the upper surface of a base and used for driving the translation plate to move back and forth, it is characterized in that the upper surface of the bottom plate is provided with support legs and a cross beam fixedly connected with the upper ends of the two support legs at the left side and the right side of the translation plate, a plurality of photoelectric sensors are fixed on the front side and the rear side of the beam, the photoelectric sensors on the front side and the rear side are in one-to-one correspondence, the upper surface of the translation plate is provided with a fixed block, the fixed block is provided with a plurality of push rods capable of sliding back and forth, the fixed block is provided with a spring which can lead the ejector rod to have the trend of moving forwards, the front end of the ejector rod is protruded forwards relative to the front side surface of the fixed block, and the rear end of the ejector rod is fixedly provided with a sensing block which can move to the lower part of the photoelectric sensor and enable the photoelectric sensor to generate a sensing signal.

In the above-mentioned in-place detection device, the photoelectric sensor includes transmitting terminal and receiving terminal, a clearance has between transmitting terminal and the receiving terminal, the response piece includes with ejector pin fixed connection's main block body, set up preceding baffle and the backplate at main block body upper surface, a clearance has between preceding baffle and the backplate, preceding baffle and backplate all can move to in the clearance between transmitting terminal and the receiving terminal.

In the above-mentioned detection device that targets in place, the rear end face of ejector pin has connecting portion, connecting portion are square strip shape, set up the square hole with connecting portion grafting complex on the main block body, a side of the main block body supports with the step face and leans on and passes through the fix with screw between the main block body and the connecting portion.

In the above-mentioned in-place detection device, a positioning ring is arranged on the outer peripheral surface of the ejector rod, a first positioning hole matched with the positioning ring is formed in the rear side surface of the fixed block, a second positioning hole matched with the ejector rod is formed in the front side surface of the fixed block, a cover plate is fixed on the rear side surface of the fixed block, a third positioning hole matched with the ejector rod is formed in the cover plate, the ejector rod sequentially penetrates through the third positioning hole, the first positioning hole and the second positioning hole, the positioning ring is located in the first positioning hole, the spring is located in the first positioning hole and sleeved on the ejector rod, one end of the spring abuts against the positioning ring, and the other end.

In the above in-place detecting device, the upper surface of the bottom plate has guide rails arranged along the front and back direction and a slide block slidably disposed on the guide rails, and the translation plate is fixed on the slide block.

Compared with the prior art, the utility model discloses a detection device targets in place has following advantage: this detection device targets in place's simple structure, the installation space who occupies is little, can once only detect a plurality of products, has improved the detection efficiency of product greatly, helps improving the assembly efficiency of product to the spare part that constitutes this detection device targets in place is simple, low-priced spare part, makes the low in cost of device, and the trouble of detection device targets in place in the use is easily found, has improved the convenience of maintenance.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic sectional structure of the present invention.

In the figure, 1, a bottom plate; 2. a translation plate; 3. a cylinder; 4. a support leg; 5. a cross beam; 6. a photosensor; 61. a transmitting end; 62. a receiving end; 7. a fixed block; 71. a first positioning hole; 72. a second positioning hole; 8. a top rod; 81. a connecting portion; 82. a positioning ring; 9. an induction block; 91. a main block body; 91a, square holes; 92. a front baffle; 93. a tailgate; 10. a cover plate; 10a, a positioning hole III; 11. a spring; 12. a guide rail; 13. a slide block.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the present position detecting apparatus, includes a base plate 1, the sliding device comprises a translation plate 2 arranged on the upper surface of a bottom plate 1 in a sliding mode and a cylinder 3 fixed on the upper surface of the bottom plate 1 and used for driving the translation plate 2 to move back and forth, supporting legs 4 and a cross beam 5 fixedly connected with the upper ends of the two supporting legs 4 are fixed on the left side and the right side of the translation plate 2 on the upper surface of the bottom plate 1, a plurality of photoelectric sensors 6 are fixed on the front side and the rear side of the cross beam 5, the photoelectric sensors 6 on the front side and the rear side correspond to each other one by one, a fixing block 7 is arranged on the upper surface of the translation plate 2, a plurality of ejector rods 8 capable of sliding back and forth are arranged on the fixing block 7, springs 11 capable of enabling the ejector rods 8 to move forward are arranged on the fixing block 7, the front end of each ejector rod 8 protrudes forward relative to the front side face of the fixing block 7, and sensing.

The detection principle of the in-place detection device is as follows: in an initial state, the induction block 9 is positioned below the photoelectric sensor 6 fixed on the rear side surface of the beam, the cylinder 3 drives the translation plate 2 to move forward for a certain distance, the translation plate 2 drives the fixed block 7, the ejector rod 8 and the induction block 9 to move forward synchronously, when the front end surface of the ejector rod 8 abuts against a product, the induction block 9 is positioned below the photoelectric sensor 6 fixed on the front side surface of the beam, the movement distance of the translation plate 2 of the structure is greater than the distance between the front end surface of the ejector rod 8 and the workpiece, therefore, when the front end surface of the ejector rod 8 abuts against the product, the spring 11 acting on the ejector rod 8 is in a compressed state, the induction block 9 at the rear end of the ejector rod 8 is ensured to be positioned below the photoelectric sensor 6 on the front side surface of the beam, at the moment, the movement distance of the ejector rod 8 is smaller than the movement distance of the translation plate 2, when the front end surface of one of the ejector, the ejector rod 8 and the translation plate 2 move for the same distance, and the induction block 9 on the ejector rod 8 cannot be positioned below the photoelectric sensor 6 on the front side surface of the cross beam, so that the situation that the parts on the product corresponding to the ejector rod 8 are not assembled in place is detected; after the cylinder 3 drives the translation plate 2 to move backwards and reset, the ejector rod 8 moves forwards and resets under the action of the spring 11, and at the moment, the induction block 9 on the ejector rod 8 is positioned below the photoelectric sensor 6 on the rear side surface of the cross beam, and the ejector rod 8 is detected to reset in place. This detection device targets in place's simple structure, the installation space who occupies is little, can once only detect a plurality of products, has improved the detection efficiency of product greatly, helps improving the assembly efficiency of product to the spare part that constitutes this detection device targets in place is simple, cheap spare part, makes the low in cost of device, and the detection device's that targets in place trouble is easily found in the use, has improved the convenience of maintenance.

As shown in fig. 2 and 3, the photoelectric sensor 6 includes an emitting end 61 and a receiving end 62, a gap is provided between the emitting end 61 and the receiving end 62, the sensing block 9 includes a main block 91 fixedly connected to the ram 8, a front baffle 92 and a rear baffle 93 disposed on an upper surface of the main block 91, a gap is provided between the front baffle 92 and the rear baffle 93, and both the front baffle 92 and the rear baffle 93 can move into the gap between the emitting end 61 and the receiving end 62. In the structure, when the front end surface of the ejector rod 8 abuts against a product, the front baffle 92 moves to a position between the transmitting end 61 and the receiving end 62 of the photoelectric sensor 6 positioned on the front side surface of the beam, and when one ejector rod 8 does not abut against the product, two gaps are overlapped, namely, the situation that the assembly of parts on the product is not in place is detected; after the push rod 8 is reset, the rear baffle 93 moves to a position between the transmitting end 61 and the receiving end 62 of the photoelectric sensor 6 on the rear side surface of the cross beam, and the photoelectric sensor 6 detects that the push rod 8 moves in place.

As shown in fig. 3, the rear end surface of the push rod 8 has a connection portion 81, the connection portion 81 is in a square bar shape, a square hole 91a which is in insertion fit with the connection portion 81 is formed in the main block 91, one side surface of the main block 91 abuts against the rear end surface of the push rod 8, and the main block 91 and the connection portion 81 are fixed by a screw. This structure makes things convenient for quick accurate location of response piece 9 on ejector pin 8, guarantees that preceding baffle 92 and backplate 93 installation back keep vertical state.

As shown in fig. 3, the outer peripheral surface of the ejector rod 8 is provided with a positioning ring 82, the rear side surface of the fixing block 7 is provided with a first positioning hole 71 matched with the positioning ring 82, the front side surface of the fixing block 7 is provided with a second positioning hole 72 matched with the ejector rod 8, the rear side surface of the fixing block 7 is fixed with a cover plate 10, the cover plate 10 is provided with a third positioning hole 10a matched with the ejector rod 8, the ejector rod 8 sequentially passes through the third positioning hole 10a, the first positioning hole 71 and the second positioning hole 72, the positioning ring 82 is located in the first positioning hole 71, the spring 11 is located in the first positioning hole 71 and sleeved on the ejector rod 8, one end of the spring 11 abuts against the. In the structure, the ejector rod 8 can move synchronously with the translation plate 2, and after the outer end face of the ejector rod 8 abuts against a product, the ejector rod 8 can slide in the positioning hole III 10a, the positioning hole I71 and the positioning hole II 72, so that the in-place detection device can perform detection operation.

As shown in fig. 1 and 2, the upper surface of the base plate 1 has guide rails 12 arranged in the front-rear direction and a slider 13 slidably disposed on the guide rails 12, and the translation plate 2 is fixed to the slider 13.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An in-place detection device comprises a bottom plate (1), a translation plate (2) arranged on the upper surface of the bottom plate (1) in a sliding manner and a cylinder (3) fixed on the upper surface of the bottom plate (1) and used for driving the translation plate (2) to move back and forth, and is characterized in that supporting legs (4) and a cross beam (5) fixedly connected with the upper ends of the two supporting legs (4) are fixed on the left side and the right side of the translation plate (2) on the upper surface of the bottom plate (1), a plurality of photoelectric sensors (6) are fixed on the front side and the rear side of the cross beam (5), the photoelectric sensors (6) on the front side and the rear side correspond to each other one by one, a fixed block (7) is arranged on the upper surface of the translation plate (2), a plurality of push rods (8) capable of sliding back and forth are arranged on the fixed block (7), and springs (11) capable of enabling the push rods, the front end of the ejector rod (8) protrudes forwards relative to the front side face of the fixed block (7), and the rear end of the ejector rod (8) is fixed with an induction block (9) which can move to the position below the photoelectric sensor (6) and enables the photoelectric sensor (6) to generate induction signals.

2. The in-place detection device according to claim 1, wherein the photoelectric sensor (6) comprises an emitting end (61) and a receiving end (62), a gap is formed between the emitting end (61) and the receiving end (62), the sensing block (9) comprises a main block body (91) fixedly connected with the ejector rod (8), a front baffle (92) and a rear baffle (93) which are arranged on the upper surface of the main block body (91), a gap is formed between the front baffle (92) and the rear baffle (93), and the front baffle (92) and the rear baffle (93) can move into the gap between the emitting end (61) and the receiving end (62).

3. The in-place detection device according to claim 2, wherein the rear end surface of the ejector rod (8) is provided with a connecting portion (81), the connecting portion (81) is in a square strip shape, the main block body (91) is provided with a square hole (91a) which is in plug fit with the connecting portion (81), one side surface of the main block body (91) abuts against the rear end surface of the ejector rod (8), and the main block body (91) and the connecting portion (81) are fixed through screws.

4. The in-place detection device according to claim 1, wherein a positioning ring (82) is arranged on the outer peripheral surface of the ejector rod (8), a first positioning hole (71) matched with the positioning ring (82) is formed in the rear side surface of the fixed block (7), a second positioning hole (72) matched with the ejector rod (8) is formed in the front side surface of the fixed block (7), a cover plate (10) is fixed on the rear side surface of the fixed block (7), a third positioning hole (10a) matched with the ejector rod (8) is formed in the cover plate (10), the ejector rod (8) sequentially penetrates through the third positioning hole (10a), the first positioning hole (71) and the second positioning hole (72), the positioning ring (82) is located in the first positioning hole (71), the spring (11) is located in the first positioning hole (71) and sleeved on the ejector rod (8), and one end of the spring (11) abuts against the positioning ring (82), The other end is propped against the cover plate (10).

5. An in-position detection device according to claim 1, wherein the upper surface of the base plate (1) has guide rails (12) arranged in a back-and-forth manner and sliders (13) slidably disposed on the guide rails (12), and the translation plate (2) is fixed to the sliders (13).