CN219408207U

CN219408207U - Multistation product assembly line

Info

Publication number: CN219408207U
Application number: CN202320331672.5U
Authority: CN
Inventors: 李俊宏; 李泽林; 彭海
Original assignee: Chongqing Baihu Machinery Manufacturing Co ltd
Current assignee: Chongqing Baihu Machinery Manufacturing Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-25
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a multi-station product assembly line, wherein two sets of linear conveying systems are arranged on a rectangular frame, and are distributed up and down in opposite conveying directions; the linear conveying system comprises two groups of chain traditional mechanisms which are arranged at two ends of the width direction of the rectangular frame in parallel, two groups of supporting plate assemblies which are distributed at equal intervals along the length direction of the rectangular frame are paved on the chain traditional mechanisms, and the supporting plate assemblies are used for placing products to be assembled. And two ends of the rectangular frame in the length direction are respectively provided with a set of lifting conversion device, and the lifting conversion devices are used for converting the supporting plate assembly between the two layers of linear conveying systems. The beneficial effects of the utility model are as follows: has the technical advantages of compact structure, single motion track and small occupied area.

Description

Multistation product assembly line

Technical Field

The utility model relates to a production line system, in particular to a multi-station product assembly line.

Background

The assembly line is also called a production line, and is an industrial production operation mode, namely each production station only focuses on the work of processing a certain segment so as to improve the working efficiency and the yield. The assembly line can be classified into a continuous flow line and a discontinuous flow line according to the degree of continuity of production.

The most used conveyor belts are conveyor belts, whether they are continuous or intermittent, but conveyor belt support surfaces are soft and do not fit well with products of a certain weight, as heavier products are placed on soft support surfaces, which can lead to poor assembly accuracy or operability. Therefore, a plurality of conveying lines carry station supporting plates distributed at equal intervals, and components are placed on the station supporting plates for assembly operation.

In the prior art, in order to enable the assembly line carrying the station supporting plates to run circularly, a rotary layout structure is adopted in many cases, such as the assembly line described in the chinese utility model with the publication number CN218143983U, and the defects of adopting the rotary layout are that: 1. two rows of the guide rails are required to be arranged in parallel in a horizontal plane, and the occupied workshop area is large; 2. the station supporting plate is a rigid plate, more factors need to be considered when the conveying structure of turning positions at two ends is designed, and the design difficulty is relatively high.

Disclosure of Invention

In view of the above, the present utility model provides a multi-station product assembly line, which aims to solve the defects of the rotary assembly line.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a multistation product assembly line, includes rectangular frame that is rectangular shape structure, its key lies in: two sets of linear conveying systems are arranged on the rectangular frame, are distributed up and down, and have opposite conveying directions; the linear conveying system comprises two groups of chain traditional mechanisms which are arranged at two ends of the rectangular frame in parallel in the width direction, pallet assemblies which are distributed at equal intervals along the length direction of the rectangular frame are laid on the two groups of chain traditional mechanisms, and the pallet assemblies are used for placing products to be assembled; the rectangular frame is provided with a limiter at one end part position corresponding to the conveying direction of any supporting plate component, and the limiter is used for enabling the supporting plate component to accurately stop at a corresponding station;

and two ends of the rectangular frame in the length direction are respectively provided with a set of lifting conversion device, and the lifting conversion devices are used for converting the supporting plate assembly between the two layers of linear conveying systems.

Preferably, a bracket is arranged in the lifting conversion device in a vertically sliding manner, a carrier roller conveying mechanism is arranged on the bracket, and a lifting driving mechanism is arranged on the upper part of the lifting conversion device and used for driving the bracket to move up and down.

Preferably, the lifting driving mechanism comprises a first motor fixed at the top of the lifting conversion device and a lower chain plate rotatably installed at the lower part of the lifting conversion device, the first motor is connected with an upper chain plate through a speed reduction assembly, lifting chains are sleeved on the lower chain plate and the upper chain plate, and the bracket is fixed on one side of the lifting chains through a transfer block.

Preferably, the limiter comprises a limiting seat and a cylinder mechanism for driving the limiting seat to move up and down, and the top of the limiting seat is rotatably provided with a first roller.

Preferably, the rectangular frame is provided with a sensor assembly at a position close to the front of the limiter, and the sensor assembly is used for identifying whether the pallet assembly exists in the corresponding station.

Preferably, the sensor assembly comprises a base and a push rod which is arranged on the base in a vertical floating mode through an elastic mechanism, a sensor is arranged on the floating stroke of the push rod, and a second roller is arranged at the top end of the push rod.

Preferably, the chain conventional mechanism comprises a conveying chain rotatably mounted in the length direction of the rectangular frame and a conveying motor for driving the conveying chain to move, and an annular supporting part protruding outwards in the radial direction is arranged in the middle of a chain shaft of the conveying chain.

Preferably, the pallet assembly comprises a base plate and a tooling pallet detachably mounted on the upper side of the base plate.

Compared with the prior art, the utility model has the beneficial effects that:

by adopting the multi-station product assembly line provided by the utility model, the layout structure is in an up-down layout relationship, the occupied area of the whole assembly line is the downward projection area of the upper linear conveying system and the two sets of lifting conversion devices, and compared with the traditional rotary layout structure, the occupied area is reduced by nearly half. Meanwhile, in the circulating movement process of the supporting plate assembly, each path moves linearly, and the design of the assembly line movement mechanism is easier. On the other hand, the lower space of the rectangular frame is reasonably utilized by the structural layout of the upper layer and the lower layer, and the structural compactness of the assembly line is improved.

Drawings

FIG. 1 is a schematic perspective view of a multi-station product assembly line;

FIG. 2 is a side view of a multi-station product assembly line;

FIG. 3 is an enlarged partial schematic view of the portion I in FIG. 2;

FIG. 4 is a partial schematic view showing the layout of two sets of conventional chain mechanisms 1a in the linear conveyor system 1;

fig. 5 is a schematic structural view of the elevation conversion apparatus 3;

fig. 6 is a sectional view of the elevation conversion apparatus 3.

Detailed Description

The utility model is further described below with reference to examples and figures.

As shown in fig. 1 and 2, a multi-station product assembly line comprises a rectangular frame a, wherein the rectangular frame a is in a strip-shaped structure, two sets of linear conveying systems 1 are arranged in the length direction of the rectangular frame a, the two sets of linear conveying systems 1 are distributed up and down, and the conveying directions of the two sets of linear conveying systems 1 are opposite. As can be seen from fig. 4, the linear conveyor system 1 includes two sets of chain conventional mechanisms 1a, the two sets of chain conventional mechanisms 1a being arranged in parallel at both ends in the width direction of the rectangular frame a. Referring to fig. 1 and 3 again, it can be seen that two sets of chain conventional mechanisms 1a of the same linear conveying system 1 are paved with a plurality of sets of pallet assemblies 1b, the pallet assemblies 1b are distributed at equal intervals along the length direction of the rectangular frame a, for the pallet assemblies 1b on the upper linear conveying system 1, each pallet assembly 1b corresponds to an assembling station, and the pallet assemblies 1b are used for placing products to be assembled. . Two ends of the rectangular frame A in the length direction are respectively provided with a set of lifting and lowering conversion devices 3, and the lifting and lowering conversion devices 3 are used for converting the pallet assembly 1b between the two layers of linear conveying systems 1.

The assembly line is a discontinuous operation assembly line, and the working principle is as follows: the upper linear conveyor system 1 is conveyed and moved rightward, the pallet assembly 1b positioned at the rightmost end is fed into the lifting and lowering conversion device 3, and then the lifting and lowering conversion device 3 lowers the height of the pallet assembly 1b so as to be flush with the lower linear conveyor system 1, and feeds the pallet assembly 1b into the right end of the lower linear conveyor system 1. Meanwhile, by adopting the same operation mechanism, the lifting and converting device 3 at the left end of the assembly line transfers the pallet assembly 1b at the left end of the lower linear conveying system 1 to the left end station of the upper linear conveying system 1. The above steps are repeated, so that all the pallet assemblies 1b can be moved between the upper and lower linear conveying systems 1.

Obviously, the layout structure of the assembly line in this embodiment is an up-down layout relationship, and the occupied area of the whole assembly line is only the downward projection area of the upper linear conveying system 1 and the two groups of lifting conversion devices 3, so that compared with the traditional rotary layout structure, the occupied area is reduced by nearly half. Meanwhile, the lower space of the rectangular frame A is reasonably utilized, so that the assembly line structure is more compact. Meanwhile, in the circulating movement process of the supporting plate component 1b, each path moves linearly, and the design of a movement mechanism is easier.

Referring to fig. 3, a rectangular frame a is provided with a limiter 2 at a front end position corresponding to a conveying direction of any pallet assembly 1b, in this embodiment, the limiter 2 includes a limiting seat 2a and a cylinder mechanism 2b, wherein the cylinder mechanism 2b is mounted on the rectangular frame a, the limiting seat 2a is connected with a piston rod of the cylinder mechanism 2b, and the cylinder mechanism 2b can move the limiting seat 2a up and down by telescopic movement. In the process that the linear conveying system 1 drives the supporting plate component 1b to move, the limiting seat 2a rises upwards to play a role in positioning the supporting plate component 1b, so that the supporting plate component 1b can be accurately stopped at a corresponding station. The cylinder mechanism 2b is controlled by a mechanical button, an operator can downwards move the limiting seat 2a by pressing the mechanical button after finishing product assembly at the station, and then the limiting seat 2a can flow into the downwards moving operation station. Further, the top of the limiting seat 2a is rotatably provided with a first roller 2c, and when the limiting seat 2a descends, the upper end of the first roller 2c is flush with the lower surface of the supporting plate component 1b, so that a certain guiding and supporting effect can be achieved on the movement of the supporting plate component 1 b.

The rectangular frame a is provided with a sensor assembly 4 at a position near the front of the stopper 2, in this embodiment, the sensor assembly 4 includes a base 4b and a jack 4a, the base 4b is fixedly mounted on the rectangular frame a, the jack 4a is mounted on the base 4b through an elastic mechanism in a manner of being capable of floating up and down, a sensor is provided on a floating stroke of the jack 4a, and a second roller 4c is mounted at a top end of the jack 4 a. When the pallet assembly 1b flows from the previous station to the next station, the pallet assembly 1b presses the ejector rod 4a to move downwards through the second roller 4c, at this time, the sensor can detect that the pallet assembly 1b is about to be installed in place, then signals are fed back to the limiter 2, and the limiter 2 can be lifted to a stop limit state.

As shown in fig. 4, the chain conventional mechanism 1a includes a conveying chain 1a1 rotatably mounted in the length direction of the rectangular frame a and a conveying motor 1a2 for driving the conveying chain 1a1 to move, in this embodiment, an annular supporting portion b protruding radially outwards is provided in the middle of a chain shaft a of the conveying chain 1a1, and in the process of driving the conveying chain 1a1 to move and rotate by the conveying motor 1a2, the lower surface of the pallet assembly 1b is supported on the annular supporting portion b, so that smoothness of movement of the pallet assembly 1b is guaranteed, and a clamping condition is not easy to occur.

In this embodiment, referring to fig. 3, the pallet assembly 1b includes a substrate 1b1 and a tooling pallet 1b2, the substrate 1b1 is of the same structure, and is supported on the annular supporting portion b, and the tooling pallet 1b2 is detachably mounted on the upper side of the substrate 1b1 through a shaft hole positioning structure c. By the design, the tool supporting plate 1b2 can be adaptively changed in combination with the actual condition of an assembled product, and the universality of the supporting plate assembly 1b is improved.

As shown in fig. 5 and 6, a bracket 3a is slidably mounted in the lifting and converting device 3 up and down, a carrier roller conveying mechanism 3b is provided on the bracket 3a, a lifting driving mechanism 3c is provided on the lifting and converting device 3, in this embodiment, a first motor 3c1 of the lifting driving mechanism 3c, a lower chain plate 3c2, an upper chain plate 3c3 and a lifting chain 3c4 are fixed on the top of the lifting and converting device 3, the upper chain plate 3c3 is in power connection with the first motor 3c1 through a speed reducing component 3c5, a lower chain plate 3c2 is rotatably mounted on the lower part of the lifting and converting device 3, a lifting chain 3c4 is sleeved on the lower chain plate 3c2 and the upper chain plate 3c3, and the bracket 3a is fixedly connected with one side of the lifting chain 3c4 through a transfer block 3a 1. Based on this, the switching process between the upper linear transport system 1 and the lower linear transport system 1 is: the first motor 3c1 drives the carrier roller conveying mechanism 3b to be aligned with the upper layer linear conveying system 1 at equal height, the carrier plate assembly 1b enters the carrier roller conveying mechanism 3b from the upper layer linear conveying system 1, then the first motor 3c1 drives the carrier roller conveying mechanism 3b to be aligned with the lower layer linear conveying system 1 at equal height, and the carrier plate assembly 1b enters the lower layer linear conveying system 1 from the carrier roller conveying mechanism 3 b. The lifting conversion device 3 at the left end moves reversely, so that the supporting plate component 1b of the lower-layer linear conveying system can be converted into the upper-layer linear conveying system.

Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A multi-station product assembly line comprising a rectangular frame (a) in a strip-shaped configuration, characterized in that: two sets of linear conveying systems (1) are arranged on the rectangular frame (A), the two sets of linear conveying systems (1) are distributed up and down, and the conveying directions of the two sets of linear conveying systems are opposite; the linear conveying system (1) comprises two groups of chain traditional mechanisms (1 a) which are arranged at two ends of the rectangular frame (A) in the width direction in parallel, pallet assemblies (1 b) which are distributed at equal intervals along the length direction of the rectangular frame (A) are paved on the two groups of chain traditional mechanisms (1 a), and the pallet assemblies (1 b) are used for placing products to be assembled; the rectangular frame (A) is provided with a limiter (2) at one end part position corresponding to the conveying direction of any supporting plate component (1 b), and the limiter (2) is used for enabling the supporting plate component (1 b) to accurately stop at a corresponding station;

and two ends of the rectangular frame (A) in the length direction are respectively provided with a set of lifting conversion devices (3), and the lifting conversion devices (3) are used for converting the pallet assembly (1 b) between the two layers of linear conveying systems (1).

2. The multi-station product assembly line of claim 1, wherein: the lifting conversion device is characterized in that a bracket (3 a) is arranged in the lifting conversion device (3) in a vertically sliding mode, a carrier roller conveying mechanism (3 b) is arranged on the bracket (3 a), and a lifting driving mechanism (3 c) is arranged on the upper portion of the lifting conversion device (3) and used for driving the bracket (3 a) to move up and down.

3. The multi-station product assembly line of claim 2, wherein: the lifting drive mechanism (3 c) comprises a first motor (3 c 1) fixed at the top of the lifting conversion device (3) and a lower chain plate (3 c 2) rotatably mounted at the lower part of the lifting conversion device (3), the first motor (3 c 1) is connected with an upper chain plate (3 c 3) through a speed reduction assembly (3 c 5), lifting chains (3 c 4) are sleeved on the lower chain plate (3 c 2) and the upper chain plate (3 c 3), and the bracket (3 a) is fixed with one side of the lifting chains (3 c 4) through a middle rotating block (3 a 1).

4. The multi-station product assembly line of claim 1, wherein: the limiter (2) comprises a limiting seat (2 a) and a cylinder mechanism (2 b) for driving the limiting seat (2 a) to move up and down, and a first roller (2 c) is rotatably arranged at the top of the limiting seat (2 a).

5. The multi-station product assembly line of claim 1, wherein: the rectangular frame (A) is provided with a sensor assembly (4) at a position close to the front of the limiter (2) and used for identifying whether the pallet assembly (1 b) exists in the corresponding station.

6. The multi-station product assembly line of claim 5, wherein: the sensor assembly (4) comprises a base (4 b) and a push rod (4 a) which is arranged on the base (4 b) in a vertical floating mode through an elastic mechanism, a sensor is arranged on the floating stroke of the push rod (4 a), and a second roller (4 c) is arranged at the top end of the push rod (4 a).

7. The multi-station product assembly line of claim 1, wherein: the chain conventional mechanism (1 a) comprises a conveying chain (1 a 1) rotatably mounted in the length direction of a rectangular frame (A) and a conveying motor (1 a 2) for driving the conveying chain (1 a 1) to move, and an annular supporting part (b) protruding outwards in the radial direction is arranged in the middle of a chain shaft (a) of the conveying chain (1 a 1).

8. The multi-station product assembly line of claim 1, wherein: the support plate assembly (1 b) comprises a base plate (1 b 1) and a tool support plate (1 b 2) detachably mounted on the upper side of the base plate (1 b 1).