assembly line

Abstract

The utility model discloses an assembly production line relates to part assembly technical field. Assembly production line is used for assembling first part and second part, and first part has assembly hole, and second part is assembled in assembly hole. Assembly production line includes base, conveying component, jig and heating component, and base is equipped with assembly position, and conveying component is located in base and has feeding end and discharge end, and jig is placed in conveying component and can move under the drive of conveying component, and jig is used to carry first part, and jig is equipped with avoiding hole to be used for exposing assembly hole, and heating component is movably arranged in base and can move close to or away from avoiding hole to heat the assembly hole of first part that moves to assembly position, and the assembly hole of first part is used to assemble second part after heating. The utility model provides technical scheme and improves the assembly precision between parts.

Description

Technical Field

[0001] This utility model relates to the field of parts assembly technology, and in particular to an assembly production line. Background Technology

[0002] In the field of mechanical manufacturing and assembly, interference fit between parts is a common connection method, especially widely used in the assembly of key parts such as gears, bearings, and couplings.

[0003] Traditional assembly methods primarily employ cold pressing, which involves directly pressing parts into mating areas using mechanical force. However, cold pressing requires significant mechanical force, which can easily damage the parts and affect assembly accuracy. Utility Model Content

[0004] The main purpose of this invention is to propose an assembly production line that aims to improve the assembly accuracy between parts.

[0005] To achieve the above objectives, the present invention proposes an assembly production line for assembling a first part and a second part, wherein the first part has an assembly hole, and the second part is assembled in the assembly hole, comprising:

[0006] Base platform, wherein the base platform is provided with an assembly position;

[0007] A conveying assembly is disposed on the base, and the conveying assembly has a feed end and a discharge end;

[0008] A fixture, placed on the conveying assembly and movable under the drive of the conveying assembly, the fixture for carrying the first part, the fixture having clearance holes for exposing the assembly holes; and

[0009] A heating assembly is movably mounted on the base and can move closer to or further away from the clearance hole to heat the assembly hole of the first part that has moved to the assembly position. The heated assembly hole of the first part is then used to assemble the second part.

[0010] In one embodiment, the fixture is provided with a positioning groove communicating with the clearance hole, and when the first part is placed in the positioning groove, the inner periphery of the positioning groove fits against the outer periphery of the first part.

[0011] In one embodiment, the heating assembly includes:

[0012] A fixed base, movably located on the side of the conveying assembly;

[0013] A heating rod is disposed on the fixed base; and

[0014] A first power component is disposed on the base. The first power component is drivenly connected to the fixed seat to drive the heating rod to move synchronously towards or away from the assembly position following the fixed seat.

[0015] In one embodiment, the fixture is provided with a positioning hole, and the fixing seat is provided with a positioning shaft on the side facing the conveying component. The positioning shaft can pass through the positioning hole so that the heating rod is aligned with the clearance hole.

[0016] In one embodiment, the assembly line further includes:

[0017] A limiting component is movably disposed on the base and located near the heating component, the limiting component being used to restrict the movement of the fixture.

[0018] In one embodiment, the limiting component includes:

[0019] A baffle is located on the side of the heating assembly facing the discharge end; and

[0020] A second power component is disposed on the base, and the second power component is drivenly connected to the baffle to drive the baffle to move closer to or away from the assembly position.

[0021] In one embodiment, the assembly line further includes:

[0022] A first position detection element is disposed on the side of the conveying assembly, and the first position detection element is used to detect the relative position of the fixture and the baffle; and

[0023] The control system is electrically connected to the conveying component, the heating component, the first position detection element, and the second power component.

[0024] In one embodiment, the assembly line further includes:

[0025] A second position detection element is disposed on the side of the conveying assembly and electrically connected to the control system. The second position detection element is located between the limiting assembly and the discharge end and is used to detect the position of the fixture.

[0026] In one embodiment, the transmission component includes:

[0027] Support, provided on the base;

[0028] A conveyor belt, movably mounted on the support, comprises two parallel conveyor belts spaced apart, with the two conveyor belts having the same conveying direction. The fixture has its two ends respectively mounted on one of the conveyor belts, and the heating assembly is positioned between the two conveyor belts; and

[0029] A rotation drive is provided on the support and is driven to connect to the two conveyor belts.

[0030] In one embodiment, the support includes:

[0031] A support frame is provided on one side of the base, and a guide groove is provided on the other side of the support frame. The extension direction of the guide groove is perpendicular to the conveying direction of the conveyor belt.

[0032] Each of the conveyor belts is movably mounted on one of the platforms, and two platforms are slidably mounted on the guide groove to move the two conveyor belts away from or towards each other; and

[0033] A locking element connects the platform and the support frame to lock the platform to the support frame.

[0034] The technical solution of this utility model involves an assembly line for assembling a first part and a second part. The first part has an assembly hole, and the second part is assembled into the assembly hole. The assembly line includes a base, a conveying assembly, a fixture, and a heating assembly. The base has an assembly position, the conveying assembly is located on the base and has an inlet and an outlet end, the fixture is placed on the conveying assembly and can move under its drive, and the fixture carries the first part. The fixture has a clearance hole to expose the assembly hole, and the heating assembly is movably located on the base and can move closer to or away from the clearance hole to heat the assembly hole of the first part that has moved to the assembly position. After heating, the assembly hole of the first part is used to assemble the second part. Compared to the cold-press assembly in the prior art, this utility model's technical solution includes a heating assembly. When the fixture carrying the first part reaches the assembly position, the heating assembly approaches the fixture to heat the assembly hole of the first part, causing it to expand before the second part is placed into the assembly hole, thus achieving the assembly of the first and second parts. In this way, heating the first part reduces assembly resistance and the risk of damage; heating the assembly hole makes it compatible with the second part, thus improving assembly accuracy. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0036] Figure 1 A schematic diagram of an embodiment of the assembly production line provided by this utility model;

[0037] Figure 2 for Figure 1 A schematic diagram of the structure of an embodiment from another perspective;

[0038] Figure 3 for Figure 1 A partial exploded view of one embodiment.

[0039] Explanation of icon numbers:

[0040] 100. Abutment;

[0041] 200. Conveying assembly; 210. Conveyor belt; 220. Rotation drive component; 230. Platform; 231. Rotary wheel; 232. Limiting plate; 240. Support frame; 250. Support plate; 260. Connecting rod;

[0042] 300. Fixture; 310. Clearance hole; 320. Positioning groove; 330. Positioning hole;

[0043] 400. Heating assembly; 410. Heating rod; 420. Mounting base; 421. Positioning shaft; 430. First power component;

[0044] 510. First position detection element; 520. Second position detection element;

[0045] 600. Limiting component; 610. Baffle; 620. Secondary power component;

[0046] 700, First part; 710, Assembly hole;

[0047] 800, Controller.

[0048] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0049] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0050] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0051] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0052] In the field of mechanical manufacturing and assembly, interference fit between parts is a common connection method, especially widely used in the assembly of key parts such as gears, bearings, and couplings.

[0053] Traditional assembly methods primarily employ cold pressing, which involves directly pressing parts into mating areas using mechanical force. However, cold pressing requires significant mechanical force, which can easily damage the parts and affect assembly accuracy.

[0054] This utility model proposes an assembly production line to improve the assembly accuracy of the first part.

[0055] Please see Figures 1 to 3 In one embodiment, the assembly line includes a base 100, a conveying assembly 200, a fixture 300, and a heating assembly 400. The base 100 has an assembly position. The conveying assembly 200 is disposed on the base 100 and has a feed end and a discharge end. The fixture 300 is placed on the conveying assembly 200 and can move under the drive of the conveying assembly 200. The fixture 300 is used to carry a first part 700 and has a clearance hole 310 to expose the assembly hole 710. The heating assembly 400 is movably disposed on the base 100 and can move close to or away from the clearance hole 310 to heat the assembly hole 710 of the first part 700 that has moved to the assembly position. After the assembly hole 710 of the first part 700 is heated, it is used to assemble a second part.

[0056] The assembly line is used to assemble a first part 700 and a second part. The first part 700 has an assembly hole 710, and the second part (not shown in the figure) is assembled into the assembly hole 710. The first part 700 can be a gear, a bearing housing, or a coupling, etc., and the second part can be a bearing or a connecting rod, etc. There are no restrictions here.

[0057] The base 100 provides support and a mounting foundation for the assembly line. The base 100 can be made of steel or alloy materials to ensure good strength. A position on the top of the base 100 corresponds to an assembly position, providing positioning for the assembly of the first part 700 and the second part. In one embodiment, the base 100 is used to connect to an external mounting base to achieve positioning of the assembly line. In one embodiment, the base 100 is provided with connecting holes for connection to the external mounting base. Of course, in other embodiments, support feet may be provided at the bottom of the base 100; or the base 100 may be connected to the external mounting base by snap-fit ​​or welding, etc., without limitation.

[0058] The conveying assembly 200 is used to convey the first part 700. The two opposite ends of the conveying assembly 200 correspond to the infeed end and the discharge end, respectively. The assembly position is located between the infeed end and the discharge end, enabling the conveying assembly 200 to carry the first part 700 to and through the assembly position. The conveying direction of the conveying assembly 200 is unidirectional; that is, the conveying assembly 200 only conveys the first part 700 from the infeed end to the discharge end without reversing direction.

[0059] The jig 300 is used to carry the first part 700. In one embodiment, the jig 300 is mounted on the conveying assembly 200, and under the action of friction, the conveying assembly 200 can drive the jig 300 to move. The jig 300 carrying the first part 700 is placed at the feeding end by manual labor or a robotic arm. The conveying assembly 200 drives the jig 300 from the feeding end to the assembly position, and then from the assembly position to the discharge end, thereby realizing the assembly and conveying of the first part 700 and the second part. Of course, in other embodiments, the jig 300 can also be detachably connected to the conveying assembly 200 by vacuum adsorption or magnetic attraction, etc., which is not limited here. In one embodiment, the axis of the clearance hole 310 coincides with the axis of the assembly hole 710, and the inner diameter of the clearance hole 310 is slightly larger than the outer diameter of the assembly hole 710 to fully expose the assembly hole 710. The size and shape of the clearance hole 310 can be flexibly set according to the size and shape of the assembly hole 710, which is not limited here. The fixture 300 can be made of materials such as stainless steel or aluminum alloy to ensure that the fixture 300 has good high temperature resistance.

[0060] The heating assembly 400 is used to heat the assembly hole 710 of the first part 700 to facilitate assembly. The heating assembly 400 is located between the discharge end and the feed end, and is positioned close to the assembly position. When the conveying assembly 200 carries the fixture 300 carrying the first part 700 to the assembly position, the fixture 300 pauses its movement, and the heating assembly 400 moves towards the conveying assembly 200 to approach the assembly position and sequentially pass through the clearance hole 310 and the assembly hole 710, thereby heating the assembly hole 710 and causing it to expand. The heating assembly 400 heats the first part 700 for a preset time; the specific value of the preset time can be flexibly set according to actual conditions and is not limited here.

[0061] In one embodiment, a robot (not shown in the figure) is also provided on one side of the assembly line. The robot can move between the loading area of ​​the second part and the assembly position of the assembly line. The robot is used to pick up the second part and move it to the assembly position.

[0062] When the fixture 300 carrying the first part 700 reaches the assembly position, the conveying assembly 200 stops operating, and the heating assembly 400 moves towards the assembly position until it penetrates the assembly hole 710 of the first part 700. After heating the assembly hole 710 for a preset time, the heating assembly 400 resets. The robotic arm carries the second part to the assembly position to place the second part into the assembly hole 710; then, the robotic arm releases the second part and leaves the assembly position, completing the assembly. After assembly, the conveying assembly 200 conveys the fixture 300 again to move the assembled first part 700 and second part to the discharge end.

[0063] The technical solution of this utility model is an assembly line used to assemble a first part 700 and a second part. The first part 700 has an assembly hole 710, and the second part is assembled in the assembly hole 710. The assembly line includes a base 100, a conveying assembly 200, a fixture 300, and a heating assembly 400. The base 100 has an assembly position; the conveying assembly 200 is located on the base 100 and has an inlet end and an outlet end; the fixture 300 is placed on the conveying assembly 200 and can move under the drive of the conveying assembly 200, the fixture 300 is used to carry the first part 700, and the fixture 300 has a clearance hole 310 to expose the assembly hole 710; the heating assembly 400 is movably located on the base 100 and can move closer to or further away from the clearance hole 310 to heat the assembly hole 710 of the first part 700 that has moved to the assembly position. After heating, the assembly hole 710 of the first part 700 is used to assemble the second part. Compared to the cold-press assembly in existing technologies, the present invention provides a heating component 400. When the jig 300 carrying the first part 700 reaches the assembly position, the heating component 400 approaches the jig 300 to heat the assembly hole 710 of the first part 700, causing it to expand before the second part is placed into the assembly hole 710, thus assembling the first part 700 and the second part. In this way, heating the first part 700 reduces assembly resistance and lowers the risk of damage; heating the assembly hole 710 ensures it fits the second part, improving assembly accuracy.

[0064] Please see Figures 1 to 3 In one embodiment, the fixture 300 is provided with a positioning groove 320 that communicates with the clearance hole 310. When the first part 700 is placed in the positioning groove 320, the inner periphery of the positioning groove 320 fits against the outer periphery of the first part 700.

[0065] In one embodiment, the clearance hole 310 is provided at the bottom of the positioning groove 320. The size and shape of the positioning groove 320 are both set to fit the size and shape of the first part 700 in order to position the first part 700.

[0066] The technical solution of this utility model embodiment, by setting the positioning groove 320, can position the first part 700, avoid the first part 700 from shifting relative to the fixture 300 during the heating process or the conveying process, and further improve the reliability of heating and assembly.

[0067] Please see Figure 2 and Figure 3In one embodiment, the heating assembly 400 includes a fixed base 420, a heating rod 410, and a first power member 430. The fixed base 420 is movably located on the side of the conveying assembly 200. The heating rod 410 is disposed on the fixed base 420. The first power member 430 is disposed on the base 100 and is drivenly connected to the fixed base 420 to drive the heating rod 410 to move synchronously with the fixed base 420 towards or away from the assembly position.

[0068] In one embodiment, the first power member 430 is fixed to the base 100 by a first bracket. The output shaft of the first power member 430 faces the conveying assembly 200. The fixing seat 420 is fixed to the output shaft of the first power member 430. The heating rod 410 is fixed to the side of the fixing seat 420 facing the conveying assembly 200. The extension and retraction of the output shaft of the first power member 430 causes the heating rod 410 to move closer to or away from the conveying assembly 200, so as to pass through or move away from the mounting hole 710. The first power member 430 can be a motor or a cylinder, etc., and is not limited here. In one embodiment, the outer diameter of the heating rod 410 is smaller than the inner diameter of the clearance hole 310 and smaller than the inner diameter of the mounting hole 710, to ensure that the heating rod 410 can smoothly pass through the clearance hole 310 and the mounting hole 710. The heating rod 410 can be configured as a metal resistance heating rod 410, a graphite heating rod 410, or a quartz infrared heating rod 410, etc., and is not limited here.

[0069] The technical solution of this utility model embodiment, by setting a heating rod 410 and a first power member 430, allows the heating rod 410 to penetrate the assembly hole 710, thereby achieving precise heating of the assembly hole 710; the first power member 430 can drive the heating rod 410 away from or near the conveying component 200, improving ease of use.

[0070] Please see Figure 2 and Figure 3 In one embodiment, the fixture 300 is provided with a positioning hole 330, and the fixing seat 420 is provided with a positioning shaft 421 on the side facing the conveying assembly 200. The positioning shaft 421 can pass through the positioning hole 330 so that the heating rod 410 is aligned with the clearance hole 310.

[0071] In one embodiment, two positioning shafts 421 are provided, located on both sides of the heating rod 410. Two corresponding positioning holes 330 are provided, located on both sides of the clearance hole 310. When the fixture 300 and the first part 700 reach the assembly position, and the first power member 430 drives the heating rod 410 through the clearance hole 310 and the assembly hole 710, the two positioning shafts 421 can be inserted into the two corresponding positioning holes 330 to achieve positioning. Of course, in other embodiments, multiple positioning shafts 421 and one positioning hole 330 may be provided; this is not limited here.

[0072] The technical solution of this utility model embodiment, by setting the positioning hole 330 and the positioning shaft 421, can position the fixture 300 to ensure that the fixture 300 does not move during the heating process, thereby ensuring that the heating rod 410 can heat the assembly hole 710 evenly and improve the reliability of heating.

[0073] Please see Figures 1 to 3 In one embodiment, the assembly line further includes a limiting component 600, which is movably disposed on the base 100 and close to the heating component 400. The limiting component 600 is used to restrict the movement of the fixture 300.

[0074] In one embodiment, the limiting component 600 and the heating component 400 are arranged parallel to each other along the conveying path of the conveying component 200. The limiting component 600 is located close to the heating component 400 and on the side of the heating component 400 facing the discharge end. When the fixture 300 carrying the first part 700 arrives at the assembly position, the limiting component 600 approaches the conveying component 200 to arrive at the assembly position before the fixture 300, so that the fixture 300 abuts against the limiting component 600 to stop its movement, ensuring that the fixture 300 is stable at the assembly position.

[0075] In one embodiment, the limiting component 600 includes a baffle 610 and a second power member 620. The baffle 610 is located on the side of the heating component 400 facing the discharge end. The second power member 620 is disposed on the base 100 and is drivenly connected to the baffle 610 to drive the baffle 610 to abut against the fixture 300.

[0076] In one embodiment, the second power component 620 is mounted on the base 100 via a second bracket. The output shaft of the second power component 620 faces the conveying assembly 200. A baffle 610 is located on the output shaft of the second power component 620. The extension and retraction of the output shaft of the second power component 620 causes the baffle 610 to move closer to or away from the conveying assembly 200, thus moving closer to or away from the assembly position. The second power component 620 can be configured as a motor or a cylinder, etc., and is not limited thereto. Of course, in other embodiments, the limiting assembly 600 can also be configured as a rocker arm structure, with a rocker arm rotated by a rocker cylinder to move closer to or away from the assembly position, and is not limited thereto.

[0077] Before the jig 300 carrying the first part 700 reaches the assembly position, the second power unit 620 operates to drive the baffle 610 closer to the conveying assembly 200, so that when the jig 300 reaches the assembly position, the outer wall of the jig 300 facing the discharge end abuts against the baffle 610, so that the jig 300 stops at the assembly position, thereby aligning the heating rod 410 with the clearance hole 310; after the conveying assembly 200 stops operating, the second power unit 620 operates to drive the baffle 610 away from the conveying assembly 200, so that the jig 300 can continue to move after the first part 700 is assembled.

[0078] The technical solution of this utility model embodiment, by setting the limiting component 600, can limit the jig 300, ensuring that the first part 700 can be stably heated and assembled, thereby improving the assembly accuracy and heating reliability.

[0079] Please see Figures 1 to 3 The assembly line also includes a first position detection element 510 and a control system. The first position detection element 510 is located on the side of the conveying assembly 200 and is used to detect the relative position of the fixture 300 and the baffle 610. The control system is electrically connected to the conveying assembly 200, the heating assembly 400, the first position detection element 510 and the second power component 620.

[0080] The first position detection element 510 is used to detect whether the baffle 610 and the fixture 300 are in contact. When the baffle 610 and the fixture 300 are in contact, the first position detection element 510 can output a corresponding electrical signal to the control system. The control system can control the start and stop of the transmission component 200, the heating component 400, and the second power component 620 according to the received electrical signal. The first position detection element 510 can be an infrared sensor, a displacement sensor, or a fiber optic sensor, etc., and is not limited here. In one embodiment, the control system is electrically connected to the first power component 430 to control the heating component 400 to move closer to or further away from the assembly position. The control system is also electrically connected to the heating rod 410, and can control the start and stop of the heating rod 410 to ensure the safety of the heating rod 410. In one embodiment, the control system is also electrically connected to the robotic arm that grips the second part to transmit electrical signals to the robotic arm so that it can accurately reach the assembly position. The control system may include a signal processing unit and a controller 800. The functions of the control system are mainly implemented through logic algorithms, and are not limited here.

[0081] When the jig 300 reaches the assembly position and abuts against the baffle 610, the first position detection element 510 outputs a corresponding electrical signal to the control system. The control system then controls the conveying assembly 200 to stop and controls the second power component 620 to move the baffle 610 away from the assembly position. Simultaneously, the control system also controls the heating assembly 400 to move towards the conveying assembly 200 until it penetrates the assembly hole 710 of the first part 700. After the heating assembly 400 heats the assembly hole 710 for a preset time, the control system controls the heating assembly 400 to move away from the conveying assembly 200 and transmits an electrical signal to the robot arm. The robot arm places the second part into the assembly hole 710 to complete the assembly. Then, the control system controls the conveying assembly 200 to run again to convey the assembled first part 700 and the second part.

[0082] The technical solution of this utility model embodiment realizes the automation of the assembly production line by setting a first position detection element 510 and a control system, thereby improving assembly accuracy and efficiency.

[0083] Please see Figures 1 to 3 In one embodiment, the assembly line further includes a second position detection element 520, which is disposed on the side of the conveying component 200 and electrically connected to the control system. The second position detection element 520 is located between the limiting component 600 and the discharge end and is used to detect the position of the fixture 300.

[0084] In one embodiment, the control system is electrically connected to a prompter. A preset position is provided between the limiting component 600 and the discharge end. The second position detection element 520 can detect whether the fixture 300 carrying the assembled first part 700 has reached the preset position. When the second position detection element 520 detects that the fixture 300 has reached the preset position, it outputs a corresponding electrical signal to the control system. The control system controls the prompter to emit light and / or sound to prompt the robot or operator to place the next fixture 300 carrying the unassembled first part 700 at the feeding end for the next heating assembly. At the same time, the control system also controls the second power component 620 to move so that the baffle 610 reaches the assembly position to restrict the movement of the next fixture 300. The preset position is located between the limiting component 600 and the discharge end and can be flexibly set according to the length of the conveying path and actual needs. The second position detection element 520 can be an infrared sensor, a displacement sensor, or a fiber optic sensor, etc., and is not limited here.

[0085] The technical solution of this utility model embodiment, by setting a second position detection element 520, can detect the position of the assembled first part 700, avoid the conveying component 200 from being blocked or idle, and improve the conveying reliability of the assembly line.

[0086] Please see Figure 2 and Figure 3 In one embodiment, the conveying assembly 200 includes a support, a conveyor belt 210, and a rotation drive 220. The support is disposed on the base 100. The conveyor belt 210 is movably disposed on the support. Two conveyor belts 210 are provided in parallel at intervals, and the two conveyor belts 210 have the same conveying direction. The two ends of the fixture 300 are respectively disposed on one of the conveyor belts 210. The heating assembly 400 is disposed between the two conveyor belts 210. The rotation drive 220 is disposed on the support and is drivenly connected to the two conveyor belts 210.

[0087] In one embodiment, one end of each of the two conveyor belts 210 is a feed end, and the other end is a discharge end. The two conveyor belts 210 can synchronously drive the same fixture 300 to move. A limiting component 600, a heating component 400, and an assembly position are all located between the two conveyor belts 210. The distance between the two conveyor belts 210 is greater than the outer diameter of the clearance hole 310 and smaller than the outer diameter of the fixture 300, so that both ends of the fixture 300 can be respectively mounted on one conveyor belt 210. The heating rod 410 can pass through the gap between the two conveyor belts 210 to approach and penetrate the assembly hole 710. In one embodiment, both ends of each conveyor belt 210 are rotatably connected to a support via a rotating wheel 231. The rotating wheel 231 meshes with the conveyor belt 210, and a rotation drive component 220 is driven by the rotating wheel 231 to drive the two conveyor belts 210 to move relative to the support, thereby realizing the conveying of the fixture 300. The control system is connected to the rotary drive component 220. The control system controls the movement of the jig 300 by controlling the start and stop of the rotary drive component 220. The rotary drive component 220 can be a rotary motor or a swing cylinder, etc., and there are no restrictions here.

[0088] In one embodiment, the support includes a support frame 240, a platform 230, and a locking member (not shown in the figure). One side of the support frame 240 is disposed on the base 100, and the other side of the support frame 240 is provided with a guide groove. The extension direction of the guide groove is perpendicular to the conveying direction of the conveyor belt 210. Each conveyor belt 210 is movably disposed on one platform 230, and two platforms 230 are slidably disposed on the guide groove to drive the two conveyor belts 210 to move away from or towards each other. The locking member connects the platform 230 and the support frame 240 to lock the platform 230 to the support frame 240. In one embodiment, the two platforms 230 are spaced apart, and each conveyor belt 210 is movably sleeved on one platform 230. Each end of the platform 230 is provided with a roller 231. In one embodiment, a limiting plate 232 is also provided on the side of the two platforms 230 that is far apart from each other, for guiding the movement of the fixture 300 and preventing the fixture 300 from deviating. The first position detection element 510 and the second position detection element 520 are both disposed on the limiting plate 232. In one embodiment, the locking element is configured as a support plate 250 and a bolt. One end of the support plate 250 is fixed to the platform 230, and the other end of the support plate 250 is slidably disposed in the guide groove. Both the support plate 250 and the guide groove are provided with threaded holes. The bolt connects the two threaded holes to fix the platform 230 to the support frame 240. In another embodiment, the platform 230 can also be directly fixed to the support frame 240 via the support plate 250. The two platforms 230 are connected by a connecting rod 260 to fix the gap between the two conveyor belts 210.

[0089] The technical solution of this utility model embodiment, by setting two conveyor belts 210, can provide movement space for the heating component 400 and the limiting component 600, avoid the heating process from affecting the conveyor belts 210, and at the same time avoid the conveyor belts 210 from obstructing the heating of the assembly hole 710, thereby improving the reliability of the assembly production line; by movably setting the platform 230, the gap between the two conveyor belts 210 can be adjusted to accommodate jigs 300 of different sizes, thereby improving the flexibility of use.

[0090] The above description is merely an exemplary embodiment of the present utility model and does not limit the scope of protection of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the scope of protection of the present utility model.

Claims

1. An assembly line for assembling a first part and a second part, the first part having an assembly hole, the second part being assembled in the assembly hole, characterized in that, include: Base platform, wherein the base platform is provided with an assembly position; A conveying assembly is disposed on the base, and the conveying assembly has a feed end and a discharge end; A fixture, placed on the conveying assembly and movable under the drive of the conveying assembly, the fixture being used to carry the first part, the fixture having clearance holes for exposing the assembly holes; as well as A heating assembly is movably mounted on the base and can move closer to or further away from the clearance hole to heat the assembly hole of the first part that has moved to the assembly position. The heated assembly hole of the first part is then used to assemble the second part.

2. The assembly production line as described in claim 1, characterized in that, The fixture is provided with a positioning groove that communicates with the clearance hole. When the first part is placed in the positioning groove, the inner circumference of the positioning groove fits against the outer circumference of the first part.

3. The assembly production line as described in claim 1, characterized in that, The heating component includes: A fixed base, movably located on the side of the conveying assembly; A heating rod is disposed on the fixed base; and A first power component is disposed on the base. The first power component is drivenly connected to the fixed seat to drive the heating rod to move synchronously towards or away from the assembly position following the fixed seat.

4. The assembly production line as described in claim 3, characterized in that, The fixture is provided with a positioning hole, and the fixing base is provided with a positioning shaft on the side facing the conveying component. The positioning shaft can pass through the positioning hole so that the heating rod is aligned with the clearance hole.

5. The assembly production line as described in claim 1, characterized in that, The assembly production line also includes: A limiting component is movably disposed on the base and located near the heating component, the limiting component being used to restrict the movement of the fixture.

6. The assembly production line as described in claim 5, characterized in that, The limiting component includes: A baffle is located on the side of the heating assembly facing the discharge end; and A second power component is disposed on the base, and the second power component is drivenly connected to the baffle to drive the baffle to move closer to or away from the assembly position.

7. The assembly production line as described in claim 6, characterized in that, The assembly production line also includes: A first position detection element is disposed on the side of the conveying assembly, and the first position detection element is used to detect the relative position of the fixture and the baffle; and The control system is electrically connected to the conveying component, the heating component, the first position detection element, and the second power component.

8. The assembly production line as described in claim 7, characterized in that, The assembly production line also includes: A second position detection element is disposed on the side of the conveying assembly and electrically connected to the control system. The second position detection element is located between the limiting assembly and the discharge end and is used to detect the position of the fixture.

9. The assembly production line as described in claim 1, characterized in that, The transmission component includes: Support, provided on the base; A conveyor belt, movably mounted on the support, comprises two parallel conveyor belts spaced apart, with the two conveyor belts having the same conveying direction. The fixture has its two ends respectively mounted on one of the conveyor belts, and the heating assembly is positioned between the two conveyor belts; and A rotation drive is provided on the support and is driven to connect to the two conveyor belts.

10. The assembly production line as described in claim 9, characterized in that, The support includes: A support frame is provided on one side of the base, and a guide groove is provided on the other side of the support frame. The extension direction of the guide groove is perpendicular to the conveying direction of the conveyor belt. Each of the conveyor belts is movably mounted on one of the platforms, and two platforms are slidably mounted on the guide groove to move the two conveyor belts away from or towards each other; and A locking element connects the platform and the support frame to lock the platform to the support frame.

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