Multi-channel jig backflow mechanism

Abstract

The utility model discloses a multi-channel jig backflow mechanism which comprises an upper conveying belt and a group of lower conveying belts which are parallel and opposite in moving direction and are used for conveying jigs. The rectangular frame is arranged above the conveying belt in a surrounding mode. And the transplanting mechanism is vertically mounted on the frame and can transfer the jigs on the upper conveying belt to the lower conveying belt. The frame is composed of an upper baffle, a lower baffle and a partition plate which are parallel and plays a role in protection and separation. The transplanting mechanism comprises a supporting column, a guide rail, a suspension arm and the like, the jig can be accurately clamped and transferred, and a clamping jaw of a clamping assembly is in an inverted-U shape and provided with a rubber sleeve, can adapt to different jigs and can prevent damage. A limiting block is further arranged and matched with the clamping jaw to accurately position the clamping position. The mechanism overcomes the defect that a traditional jig is single in backflow channel, and efficient and smooth operation of a production line is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic production equipment, and specifically relates to a multi-channel jig backflow mechanism. BACKGROUND

[0002] In the field of modern manufacturing industry production, the efficient operation of production line is very important. Among them, the jig as the important tool of bearing, fixing product parts to carry out processing, detection and other processes, its backflow link has significant influence on the continuity and efficiency of the whole production process. In the traditional production line jig backflow technology, a single transmission mode is usually adopted. Generally, only one conveying belt is used for the backflow of the jig, and the jig returns to the initial position or the starting point of the next processing link along the fixed conveying belt after completing the front-end process. When the processing speed of different processes on the production line is inconsistent, or the subsequent processes need to process the jig according to the product type, this single-channel backflow mode exposes many drawbacks. Because there is only one backflow path, once the front-end process appears short-term stagnation or acceleration, the rhythm of the jig flow will be disrupted, which is easy to cause accumulation or waiting, and further affect the rhythm of the whole production line. Moreover, the jig cannot be flexibly distributed to different subsequent process areas, which limits the ability of the production line to quickly adjust according to product diversity.

[0003] Therefore, the above problems need to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above defects, and provides a multi-channel jig backflow mechanism, which realizes the flexible transfer of the jig between different conveying belts by setting the upper conveying belt and a group of lower conveying belts which are parallel and have opposite moving directions, and combining the transplanting mechanism installed on the frame and perpendicular to the conveying belt, effectively solves the problems that the traditional jig backflow technology has single channel, the rhythm of the jig flow is easy to be disordered and easy to accumulate and wait when facing different process processing speed difference and needing to be shunted, and the jig cannot be distributed to different subsequent process areas as needed, and guarantees the efficient and smooth operation of the production line.

[0005] Technical scheme: The utility model provides a kind of multi-channel fixture backflow mechanism including upper conveyor belt, a group of lower conveyor belt, fixture, frame, transplanting mechanism, the upper conveyor belt and lower conveyor belt are parallel and opposite in moving direction, for conveying fixture;The frame is rectangular and is surrounded in the upper of a group of the lower conveyor belt and upper conveyor belt;The transplanting mechanism is installed on frame and is perpendicular to a group of the lower conveyor belt and upper conveyor belt, for transferring fixture on upper conveyor belt to any one lower conveyor belt.The upper conveyor belt and lower conveyor belt are parallel and opposite in moving direction, realize the orderly conveying of fixture in different directions.This design can flexibly cope with the material backflow demand in production line, for example, after product detection process, fixture needing rework or secondary processing is quickly sent back to starting point or specific processing area, ensure the continuity of production line, transplanting mechanism is installed on frame and is perpendicular to conveyor belt, it can accurately transfer fixture on upper conveyor belt to any one lower conveyor belt.This accurate transplanting capacity makes fixture can be accurately distributed to different downstream process corresponding lower conveyor belt according to preset process flow, satisfy diversified production path planning.

[0006] Further, a kind of multi-channel fixture backflow mechanism in the application, the frame includes upper baffle, lower baffle and a group of partition plate, the upper baffle, lower baffle and a group of partition plate are mutually parallelly arranged, the upper baffle is located on the outer side of upper conveyor belt, lower baffle is located on the outer side of the lower conveyor belt far from upper conveyor belt, the partition plate is located between upper baffle and lower baffle, for separating upper conveyor belt and lower conveyor belt or separating two lower conveyor belts.The upper baffle, lower baffle and a group of partition plate are mutually parallelly arranged, and a partition clear protection system is built.The upper baffle can effectively block the unexpected slide or deviation of fixture on upper conveyor belt during transportation, ensure that fixture is always in the intended track of upper conveyor belt, avoid collision with surrounding equipment and interfere with normal transportation process.The lower baffle provides protection for the lower conveyor belt far from upper conveyor belt, prevents fixture from leaving conveyor belt, ensures the stability of material transmission path, and the partition plate is between upper baffle and lower baffle, accurately separates upper conveyor belt and lower conveyor belt or adjacent two lower conveyor belts.This isolation makes fixture flow in different channels not interfere with each other, each channel can be used as independent transport line, and fixture flow direction is accurately distributed according to production process demand, for example, when the downstream process corresponding to a lower conveyor belt temporarily fails and needs to be repaired, partition plate ensures that other normal processes are not affected, maintains the continuous operation of production line.

[0007] Further, the multi-channel jig backflow mechanism in the application comprises a pair of support columns, a guide rail, a hanging arm, a first air cylinder, a clamping assembly and a driving motor, the pair of support columns are installed on the upper baffle and the lower baffle, the guide rail is arranged on the support column, the hanging arm is in sliding connection with the guide rail, the upper end of the hanging arm is installed on the guide block arranged on the guide rail, the first air cylinder is installed on the hanging arm, the output end of the first air cylinder is provided with the clamping assembly, the first air cylinder is vertically opposite to the conveying belt, and the driving motor is installed on the support column. The guide rail is arranged on the support column, a precise guide path is constructed for the movement of the hanging arm, so that the hanging arm can smoothly slide along the predetermined direction, thereby realizing accurate control of the position of the jig, facilitating accurate transfer of the jig from the upper conveying belt to the specified lower conveying belt, the hanging arm is in sliding connection with the guide rail, and the upper end of the hanging arm is installed on the guide block of the guide rail, so that the hanging arm can be flexibly moved in the horizontal direction. The first air cylinder installed on the hanging arm is provided with the clamping assembly at the output end, and is vertically opposite to the conveying belt, so that the clamping assembly has the lifting capacity in the vertical direction. Through the extension and retraction of the first air cylinder, the clamping assembly can be accurately controlled to be lowered to the appropriate height to grab the jig on the conveying belt, and then be lifted to realize reliable clamping of the jig, thereby preparing for the subsequent transfer operation.

[0008] Further, the multi-channel jig backflow mechanism in the application comprises a pair of support columns, a guide rail, a hanging arm, a first air cylinder, a clamping assembly and a driving motor, the pair of support columns are installed on the upper baffle and the lower baffle, the guide rail is arranged on the support column, the hanging arm is in sliding connection with the guide rail, the upper end of the hanging arm is installed on the guide block arranged on the guide rail, the first air cylinder is installed on the hanging arm, the output end of the first air cylinder is provided with the clamping assembly, the first air cylinder is vertically opposite to the conveying belt, and the driving motor is installed on the support column. The guide rail is arranged on the support column, a precise guide path is constructed for the movement of the hanging arm, so that the hanging arm can smoothly slide along the predetermined direction, thereby realizing accurate control of the position of the jig, facilitating accurate transfer of the jig from the upper conveying belt to the specified lower conveying belt, the hanging arm is in sliding connection with the guide rail, and the upper end of the hanging arm is installed on the guide block of the guide rail, so that the hanging arm can be flexibly moved in the horizontal direction. The first air cylinder installed on the hanging arm is provided with the clamping assembly at the output end, and is vertically opposite to the conveying belt, so that the clamping assembly has the lifting capacity in the vertical direction. Through the extension and retraction of the first air cylinder, the clamping assembly can be accurately controlled to be lowered to the appropriate height to grab the jig on the conveying belt, and then be lifted to realize reliable clamping of the jig, thereby preparing for the subsequent transfer operation.

[0009] Further, the multi-channel jig backflow mechanism in the application comprises a pair of support columns, a guide rail, a hanging arm, a first air cylinder, a clamping assembly and a driving motor, the pair of support columns are installed on the upper baffle and the lower baffle, the guide rail is arranged on the support column, the hanging arm is in sliding connection with the guide rail, the upper end of the hanging arm is installed on the guide block arranged on the guide rail, the first air cylinder is installed on the hanging arm, the output end of the first air cylinder is provided with the clamping assembly, the first air cylinder is vertically opposite to the conveying belt, and the driving motor is installed on the support column. The guide rail is arranged on the support column, a precise guide path is constructed for the movement of the hanging arm, so that the hanging arm can smoothly slide along the predetermined direction, thereby realizing accurate control of the position of the jig, facilitating accurate transfer of the jig from the upper conveying belt to the specified lower conveying belt, the hanging arm is in sliding connection with the guide rail, and the upper end of the hanging arm is installed on the guide block of the guide rail, so that the hanging arm can be flexibly moved in the horizontal direction. The first air cylinder installed on the hanging arm is provided with the clamping assembly at the output end, and is vertically opposite to the conveying belt, so that the clamping assembly has the lifting capacity in the vertical direction. Through the extension and retraction of the first air cylinder, the clamping assembly can be accurately controlled to be lowered to the appropriate height to grab the jig on the conveying belt, and then be lifted to realize reliable clamping of the jig, thereby preparing for the subsequent transfer operation.

[0010] Further, the multi-channel jig backflow mechanism in the application further comprises a limiting block and a mounting plate, the limiting block is installed on the upper baffle through the mounting plate and is located between the upper conveying belt and the first air cylinder, the output end of the first air cylinder is opposite to the limiting block, and the limiting block is used for limiting the jig to facilitate the clamping of the clamping jaw.

[0011] Further, the multi-channel jig backflow mechanism in the application, the limiting block is in U shape, the U-shaped bottom is provided with a protruding contact switch, when the jig enters the limiting block along the upper conveying belt and touches the contact switch, the second air cylinder drives a pair of clamping jaws to clamp the jig, the two side edges of the U-shaped limiting block are provided with a pair of notches from inside to outside, and the notches correspond to the two end portions of the inverted U-shaped clamping jaw. The two side edges of the U-shaped limiting block are provided with a pair of notches from inside to outside, and the notches correspond to the two end portions of the inverted U-shaped clamping jaw. In the clamping process, the end portion of the clamping jaw can be embedded in the corresponding notch, so that the clamping jaw and the limiting block form a precise matching relationship in space. In this way, the clamping jaw can accurately find the clamping position according to the positioning of the notch when clamping the jig, further improve the accuracy and stability of clamping, avoid the clamping deviation of the clamping jaw, and ensure that the jig can be fixed firmly.

[0012] Further, the multi-channel jig backflow mechanism in the application, the mounting plate is provided with mounting holes at equal intervals, and the limiting block is screwed with the upper baffle through the mounting holes. By selecting different mounting holes, the position of the limiting block relative to the upper conveying belt and the clamping jaw is adjusted, so that the limiting block can accurately limit the jig, and the jig can accurately stop at the best position for clamping by the clamping jaw, and the production requirements are diversified.

[0013] The above technical scheme can be seen that the utility model has the following beneficial effects:

[0014] 1. The multi-channel jig backflow mechanism comprises an upper conveying belt and a group of lower conveying belts which are parallel and move in opposite directions, and a transplanting mechanism which is vertically arranged, so that the jig can be flexibly transferred between different conveying belts, and the problems that the jig flow rhythm is easy to be disordered and accumulated and cannot be distributed to different subsequent process areas as needed when the traditional jig backflow technology is single and different process speeds and shunt processing are required are solved, the efficient and smooth operation of the production line is ensured, and the continuity and efficiency of the entire production process are greatly improved.

[0015] 2.The multi-channel jig backflow mechanism of the utility model discloses a limiting block, its U-shaped structure, with contact switch and the gap of both sides features, with the jaw cooperation can accurate positioning jig clamping position, with the help of different mounting holes on the mounting plate can flexible adjustment limiting block position, ensure that the jig can accurately stay in the best position for the jaw clamping, improve the accuracy and stability of clamping operation, optimize the key link in the whole jig backflow process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a multi-channel jig backflow mechanism schematic view of the utility model;

[0017] Figure 2 It is a multi-channel jig backflow mechanism side view of the utility model;

[0018] Figure 3 It is Figure 1 A region amplification schematic view in the middle;

[0019] Figure 4 It is Figure 2 B region amplification schematic view in the middle;

[0020] Figure 5 It is a multi-channel jig backflow mechanism jaw schematic view of the utility model.

[0021] The figure mark of the specification is explained: 1 - upper conveyor belt, 2 - lower conveyor belt, 3 - jig, 4 - frame, 41 - upper baffle, 42 - lower baffle, 43 - partition plate, 5 - transplanting mechanism, 51 - support column, 52 - guide rail, 53 - boom, 54 - first air cylinder, 55 - clamping assembly, 551 - second air cylinder, 552 - jaw, 5521 - rubber sleeve, 6 - limiting block, 61 - contact switch, 62 - gap, 7 - mounting plate, 71 - mounting hole. DETAILED DESCRIPTION

[0022] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0023] Example 1

[0024] As Figure 1 , 2 , 3, 4, 5 shows a multi-channel jig backflow mechanism, by upper conveyor belt 1, three lower conveyor belts 2, jig 3, frame 4, transplanting mechanism 5, limiting block 6 and mounting plate 7 and other components are composed.

[0025] The upper conveying belt 1 and the three lower conveying belts 2 are parallel and move in opposite directions to convey the fixtures 3. The frame 4 is rectangular and surrounds the three lower conveying belts 2 and the upper conveying belt 1, and includes an upper baffle plate 41, a lower baffle plate 42, and three partition plates 43. The upper baffle plate 41 is arranged outside the upper conveying belt 1, the lower baffle plate 42 is arranged outside the outermost lower conveying belt 2 away from the upper conveying belt 1, and the three partition plates 43 are arranged parallel to each other between the upper baffle plate 41 and the lower baffle plate 42, and are respectively used to separate the upper conveying belt 1 and the adjacent lower conveying belt 2, and the two adjacent lower conveying belts 2, to ensure that the fixture flow between the conveying belts does not interfere with each other, and each channel can independently and stably transport the fixtures.

[0026] The transplanting mechanism 5 is installed on the frame 4 and perpendicular to the conveying belts, and includes a pair of support columns 51, a guide rail 52, a lifting arm 53, a first cylinder 54, a clamping assembly 55, and a driving motor 56. The pair of support columns 51 are installed on the upper baffle plate 41 and the lower baffle plate 42, the guide rail 52 is arranged on the support columns 51 to provide a precise guide path for the lifting arm 53. The lifting arm 53 is slidingly connected to the guide rail 52, and the upper end of the lifting arm 53 is installed on a guide block provided on the guide rail 52 to ensure flexible movement in the horizontal direction. The first cylinder 54 is installed on the lifting arm 53 and vertically faces the upper conveying belt 1, and the output end of the first cylinder 54 is provided with the clamping assembly 55. The driving motor 56 is installed on the support columns 51 to drive the guide block to move back and forth.

[0027] The clamping assembly 55 includes a second cylinder 551, which is installed on the output end of the first cylinder 54 and arranged perpendicular to the axial direction of the first cylinder 54, and a clamping jaw 552 is installed on the tail end and the output end of the second cylinder 551. The clamping jaw 552 is in the shape of an inverted U, and a rubber sleeve 5521 is sleeved on the end of the inverted U, which can adapt to fixtures of different widths and avoid damaging the fixtures when clamping the fixtures through the buffering effect of the rubber sleeve.

[0028] The limiting block 6 is installed on the upper baffle plate 41 through the mounting plate 7 and located between the upper conveying belt 1 and the first cylinder 54, and the output end of the first cylinder 54 faces the limiting block 6. The limiting block 6 is in the shape of a U, and a protruding contact switch 61 is arranged on the bottom of the U. When the fixture 3 enters the limiting block 6 with the upper conveying belt 1 and touches the contact switch 61, the second cylinder 551 is triggered to drive a pair of clamping jaws 552 to clamp the fixture 3. A pair of notches 62 are arranged from the inside to the outside on both sides of the U-shaped limiting block 6, and correspond to the two ends of the inverted U-shaped clamping jaw 552, to ensure that the clamping jaw can accurately clamp the fixture. A plurality of mounting holes 71 are equidistantly arranged on the mounting plate 7, and the position of the limiting block 6 relative to the upper conveying belt 1 and the clamping jaw 552 can be adjusted by selecting different mounting holes to adapt to diversified production needs.

[0029] In actual production process, the fixture 3 carries product parts after machining or detection in front-end process is placed to the upper conveying belt 1. The upper conveying belt 1 transports the fixture 3 to the direction of transplanting mechanism 5. When the fixture 3 reaches the limit block 6, it touches the contact switch 61, at this time, the second cylinder 551 acts, and the clamp jaw 552 clamps the fixture 3. Then, the first cylinder 54 rises, the driving motor 56 drives the boom 53 on the guide rail 52 to move, and the fixture 3 is transferred to the corresponding lower conveying belt 2. For example, if the subsequent process needs to divert the fixture 3 to the middle lower conveying belt 2 according to the product type for next step processing, the transplanting mechanism 5 can accurately complete the operation. The three lower conveying belts 2 can be connected to different subsequent process areas respectively, realize the flexible distribution of the fixture, effectively avoid the accumulation and waiting of the fixture, and guarantee the efficient and smooth operation of the production line.

[0030] The above examples are exemplary, and the purpose is to illustrate the technical concept and characteristics of the utility model, so that the personnel familiar with this field can understand the content of the utility model and implement it, and the protection scope of the utility model cannot be limited thereby. Any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A multi-channel fixture backflow mechanism, characterized in that: it comprises an upper conveying belt (1), a group of lower conveying belts (2), and a fixture (3), the upper conveying belt (1) and the lower conveying belt (2) are parallel and move in opposite directions, and are used to convey the fixture (3); a frame (4) is arranged above the group of lower conveying belts (2) and the upper conveying belt (1) in a rectangular shape; and a transplanting mechanism (5) is installed on the frame (4) and is perpendicular to the group of lower conveying belts (2) and the upper conveying belt (1), and is used to transfer the fixture (3) on the upper conveying belt (1) to any one of the lower conveying belts (2). 2.The multi-channel fixture backflow mechanism according to claim 1, characterized in that: the frame (4) comprises an upper baffle (41), a lower baffle (42), and a group of partition plates (43), the upper baffle (41), the lower baffle (42), and the group of partition plates (43) are arranged parallel to each other, the upper baffle (41) is arranged outside the upper conveying belt (1), the lower baffle (42) is arranged outside the lower conveying belt (2) far away from the upper conveying belt (1), and the partition plate (43) is arranged between the upper baffle (41) and the lower baffle (42) and is used to separate the upper conveying belt (1) and the lower conveying belt (2) or two lower conveying belts (2). 3.The multi-channel fixture backflow mechanism according to claim 2, characterized in that: the transplanting mechanism (5) comprises a pair of support columns (51), a guide rail (52), a hanging arm (53), a first air cylinder (54), a clamping assembly (55), and a driving motor (56), the pair of support columns (51) are installed on the upper baffle (41) and the lower baffle (42), the guide rail (52) is arranged on the support column (51), the hanging arm (53) is in sliding connection with the guide rail (52), the upper end of the hanging arm (53) is installed on the guide block arranged on the guide rail (52), the first air cylinder (54) is installed on the hanging arm (53), the output end of the first air cylinder (54) is provided with the clamping assembly (55), the first air cylinder (54) is vertically opposite to the upper conveying belt (1), and the driving motor (56) is installed on the support column (51). 4.The multi-channel fixture backflow mechanism according to claim 3, characterized in that: the clamping assembly (55) comprises a second air cylinder (551), the second air cylinder (551) is installed on the output end of the first air cylinder (54), the second air cylinder (551) is arranged vertically to the axial direction of the first air cylinder (54), and the tail end and the output end of the second air cylinder (551) are provided with clamping jaws (552). 5.The multi-channel fixture backflow mechanism according to claim 4, characterized in that: the clamping jaw (552) is in an inverted U shape, and a rubber sleeve (5521) is arranged on the end of the inverted U shape. 6.The multi-channel fixture backflow mechanism according to claim 5, characterized in that: ​ ​ ​ ​ ​ ​ ​ Further comprising a limiting block (6) and a mounting plate (7), the limiting block (6) is installed on the upper baffle (41) through the mounting plate (7) and is located between the upper conveying belt (1) and the first air cylinder (54), the output end of the first air cylinder (54) is opposite to the limiting block (6), and the limiting block (6) is used for limiting the jig (3) to facilitate the clamping jaw (552) to clamp.

7. The multi-channel jig reflow mechanism according to claim 6, wherein: The limiting block (6) is in a U shape, a protruding contact switch (61) is arranged at the bottom of the U shape, when the jig (3) enters the limiting block (6) along with the upper conveying belt (1) and touches the contact switch (61), the second air cylinder (551) is triggered to drive a pair of clamping jaws (552) to clamp the jig (3), and the two side edges of the U-shaped limiting block (6) are provided with a pair of notches (62) from inside to outside, and the notches (62) correspond to the two end portions of the inverted U-shaped clamping jaw (552).

8. The multi-channel jig reflow mechanism according to claim 6, wherein: A mounting hole (71) is arranged on the mounting plate (7) at equal intervals, and the limiting block (6) is threadedly connected with the upper baffle (41) through the mounting hole (71).

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