Accessory conveying device for automobile assembly

Abstract

The invention relates to the technical field of conveyors, and discloses an automobile assembly accessory conveying device which comprises a feeding conveying mechanism, a transfer conveying mechanism, a discharging conveying mechanism and a plurality of conveying protection mechanisms. The multiple conveying protection mechanisms are linearly and evenly distributed on the transfer conveying mechanism, each conveying protection mechanism comprises an adjusting driving assembly and two contact positioning assemblies, and the two contact positioning assemblies are symmetrically arranged on the two sides of the transfer conveying mechanism. The contact positioning assembly comprises a first positioning plate, a second positioning plate, a separation driving piece and two hinge connecting pieces. The conveying protection mechanism is mainly used for protecting accessories in the conveying process, a first positioning plate and a second positioning plate are arranged, and positioning protection is conducted on front-row seats and rear-row seats with different gravity centers in the conveying process, so that the safety of the front-row seats and the rear-row seats in the conveying process is guaranteed, and the conveying safety of the front-row seats and the rear-row seats is improved. And the posture does not have large deviation when a preset assembly station is reached.

Description

Technical Field

[0001] The present invention relates to the technical field of conveyors, and more particularly to a conveying device for accessories used in automobile assembly. Background Art

[0002] At present, in automobile assembly production lines, a conveying device is required to automatically convey the required automobile parts to each assembly station, and then the automobile parts are installed on the automobile by an assembly robot or a person located at the assembly station.

[0003] In the prior art, in order to prevent auto parts from falling from the conveying device during transportation or having excessive posture deviation when arriving at the conveying station, a protective plate is generally installed on the outer side of the conveying end surface of the conveying device to limit the position of auto parts during transportation. However, when conveying the front and rear seats of the car, since the front seats of the car are narrower than the rear seats, they are generally placed vertically, while the rear seats are placed horizontally in a folded posture. The center of gravity of the vertically placed front seats is higher than that of the rear seats. Although the existing protective plates have the functions of adjusting the height and spacing, they can only protect one of the seats through simple height or spacing adjustment, and cannot take into account the front and rear seats with different centers of gravity at the same time. In this way, during the transportation of the front and rear seats, it is easy for the seats to have large posture deviations when they arrive at the preset assembly station, which increases the difficulty of assembly by manual or assembly robots. Summary of the invention

[0004] The object of the present invention is to provide a parts conveying device for automobile assembly to solve the above-mentioned technical problems.

[0005] The present invention solves the above-mentioned technical problems through the following technical solutions:

[0006] The present invention provides a conveying device for automobile assembly parts, comprising: a loading conveying mechanism, a transfer conveying mechanism, a unloading conveying mechanism and a plurality of conveying protection mechanisms;

[0007] The plurality of conveying protection mechanisms are linearly and evenly distributed on the transfer conveying mechanism, the conveying protection mechanism comprises an adjusting drive assembly and two contact positioning assemblies, the two contact positioning assemblies are symmetrically arranged on both sides of the transfer conveying mechanism, the contact positioning assembly comprises a first positioning plate, a second positioning plate, a separation drive member and two hinged connectors, the first positioning plate is located below the second positioning plate, both sides of the first positioning plate are correspondingly hinged to both sides of the second positioning plate through hinged connectors, the hinged connectors enable the second positioning plate to move relative to the first positioning plate in an initial posture and to be spliced ​​together with the first positioning plate, the separation drive member is arranged on one side of the first positioning plate, and its two ends are respectively connected to the hinged ends of the two hinged connectors, the two hinged connectors are driven to move by the separation drive member, so that the second positioning plate moves upward away from the first positioning plate in an initial posture;

[0008] The adjustment drive assembly includes a spacing adjustment member, which is arranged on the transfer conveying mechanism, and whose two ends are respectively connected to two first positioning plates. The spacing adjustment member drives the two first positioning plates to slide linearly toward each other relative to the transfer conveying mechanism.

[0009] As a further optimization scheme of the present invention, the articulated connection member includes a slider, a support spring and two articulated rods. The two articulated rods are distributed on one side of the second positioning plate in an inclined and parallel posture. One end of the two articulated rods is hinged to the upper and lower ends of one side of the slider, and the other end of the two articulated rods is hinged to the upper and lower ends of one side of the first positioning plate. Slide grooves are provided on both sides of the second positioning plate. The slider is slidably installed in the slide groove on the corresponding side, and the support spring is fixedly installed between the bottom of the slider and the inner wall of the slide groove.

[0010] As a further optimization scheme of the present invention, the articulated connection also includes a locking rotating rod and a plurality of plug-in blocks. The top of the first positioning plate is provided with a plurality of slots adapted to the plug-in blocks. The plurality of plug-in blocks are fixed to the bottom of the first positioning plate. The locking rotating rod is rotatably installed on one side of the first positioning plate. A threaded hole adapted to the locking rotating rod is provided on one side of the second positioning plate.

[0011] As a further optimization scheme of the present invention, the separation drive component includes a connecting rod, a worm wheel and a worm. The connecting rod is rotatably installed on one side of the transfer and conveying mechanism, and its two ends are respectively fixed to the hinged ends of the hinged rod on the corresponding side. The worm wheel is fixedly sleeved on the outer side of the connecting rod, and the worm is rotatably installed on one side of the transfer and conveying mechanism, and the outer side of the worm is meshed with the worm wheel.

[0012] As a further optimization scheme of the present invention, the spacing adjustment member includes a screw rod, two turntables, two connecting seats and two sliding limit members. One end of the screw rod extends from one side of the transfer and conveying mechanism to the other side thereof. The two ends of the outer side of the screw rod are provided with thread grooves in opposite directions. The two ends of the outer side of the screw rod are respectively hinged to one side of the first positioning plate through the connecting seat. The two turntables are respectively fixed to the two ends of the screw rod. The two sliding limit members are symmetrically distributed on both sides of the transfer and conveying mechanism. The first positioning plate is connected to the transfer and conveying mechanism through the sliding limit member, and the sliding limit member limits the first positioning plate to only slide linearly closer or farther relative to the transfer and conveying mechanism.

[0013] As a further optimization scheme of the present invention, the sliding limit member includes a number of limit sliding rods and hinged seats of the same number, one end of several of the limit sliding rods is fixed to one side of the first positioning plate, one side of several of the hinged seats is hinged to one side of the transfer and conveying mechanism, and the top thereof is slidably connected to the outer side of the limit sliding rod in a one-to-one correspondence.

[0014] As a further optimization scheme of the present invention, the adjustment drive assembly also includes an inclination adjustment part, which includes a fixed seat, a mating gear, a toothed plate and an adjustment rotating rod. One end of the fixed seat is fixedly mounted on one side of the first positioning plate, and the other end thereof is hinged to the top of the connecting seat. The mating gear is fixedly mounted on the hinged end of the fixed seat. The toothed plate is slidably mounted on the connecting seat, and one side thereof is meshed with the bottom of the mating gear. The adjustment rotating rod is rotatably mounted on one side of the connecting seat, and the outer side thereof is threadedly connected to one end of the toothed plate.

[0015] As a further optimization solution of the present invention, the number of the plug-in blocks is set to two, and the two plug-in blocks are symmetrically distributed at both ends of the bottom of the first positioning plate, and the bottom of the plug-in block is provided with an inclined groove.

[0016] As a further optimization solution of the present invention, the first positioning plate and the second positioning plate are both rectangular structures and have the same length. A plurality of linearly evenly distributed rollers are provided on the side of the first positioning plate and the second positioning plate facing the transfer and conveying mechanism.

[0017] As a further optimization solution of the present invention, the number of the limiting sliding bars is set to two, and the two limiting sliding bars are symmetrically distributed at two ends of one side of the first positioning plate.

[0018] The beneficial effects of the present invention are:

[0019] The conveying protection mechanism provided in the present invention is mainly used for protecting accessories during the conveying process. It respectively provides a first positioning plate and a second positioning plate to perform positioning protection for the front and rear rows of seats with different centers of gravity during the conveying process, so as to ensure the safety of the front and rear rows of seats during conveying, and ensure that their postures will not deviate greatly when they arrive at the preset assembly station. In addition, the conveying protection mechanism can also adjust the usage form according to the different accessories, thereby improving the adaptability of the conveying device to meet the conveying needs of different accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a parts conveying device for automobile assembly provided by the present invention;

[0021] Figure 2 It is a structural schematic diagram of a transfer conveying mechanism and a conveying protection mechanism in a conveying device for automobile assembly parts provided by the present invention;

[0022] Figure 3 It is a structural schematic diagram of a conveying protection mechanism in a conveying device for automobile assembly parts provided by the present invention;

[0023] Figure 4 It is a structural schematic diagram of a contact positioning component in a conveying device for automobile assembly parts provided by the present invention;

[0024] Figure 5 It is a structural schematic diagram of a first positioning plate, a second positioning plate and a hinged connection member in a conveying device for automobile assembly parts provided by the present invention;

[0025] Figure 6 The present invention Figure 4 A local enlarged schematic diagram of the middle A;

[0026] Figure 7 It is a structural schematic diagram of a spacing adjustment member in a conveying device for automobile assembly parts provided by the present invention;

[0027] Figure 8 The present invention is a schematic structural diagram of an inclination adjusting member in a conveying device for automobile assembly parts.

[0028] In the figure: 1. feeding conveying mechanism; 2. transfer conveying mechanism; 3. unloading conveying mechanism; 4. conveying protection mechanism; 41. adjusting drive assembly; 411. spacing adjustment member; 4111. screw rod; 4112. turntable; 4113. connecting seat; 4114. limit slide rod; 4115. hinge seat; 412. inclination adjustment member; 4121. fixed seat; 4122. matching gear; 4123. tooth plate; 4124. adjusting turnbar; 4125. 2. Contact positioning assembly; 421. First positioning plate; 422. Second positioning plate; 423. Separation drive member; 4231. Connecting rotating rod; 4232. Worm gear; 4233. Worm; 424. Articulated connecting member; 4241. Slider; 4242. Support spring; 4243. Articulated rod; 4244. Slide groove; 4245. Locking rotating rod; 4246. Plug-in block; 4247. Slot; 4248. Threaded hole; 425. Roller. DETAILED DESCRIPTION

[0029] The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that the discussion of these embodiments is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Each example may omit, replace or add various processes or components as needed. In addition, the features described relative to some examples may also be combined in other examples.

[0030] Please refer to Figure 1 to Figure 2 , a conveying device for automobile assembly parts, comprising: a loading conveying mechanism 1, a transfer conveying mechanism 2, a unloading conveying mechanism 3 and three conveying protection mechanisms 4, wherein the loading conveying mechanism 1 is located at the right end of the transfer conveying mechanism 2, the unloading conveying mechanism 3 is located at the left end of the transfer conveying mechanism 2, and is vertically arranged with the transfer conveying mechanism 2, and is a belt conveyor, which is convenient for placement during loading, and the transfer conveying mechanism 2 is a roller conveyor, which is driven by an independent driving source, and the unloading conveyor is arranged corresponding to the assembly station, and multiple of them can be arranged, cross-distributed on both sides of the transfer conveying mechanism 2, because the loading conveying mechanism 1, the transfer conveying mechanism 2 and the unloading conveying mechanism 3 are all related to the prior art, they will not be described in detail here, and the number of the conveying protection mechanisms 4 is not limited to three, which are adapted according to the length of the transfer conveying mechanism 2, Figure 1 The diagram shown in FIG. 1 is a schematic diagram when there is only one assembly station.

[0031] Please refer to Figures 1 to 3The three conveying protection mechanisms 4 are linearly and evenly distributed on the transfer conveying mechanism 2. The conveying protection mechanism 4 includes an adjustment drive component 41 and two contact positioning components 42. The two contact positioning components 42 are symmetrically arranged on both sides of the transfer conveying mechanism 2. The contact positioning components 42 include a first positioning plate 421, a second positioning plate 422, a separation driving member 423 and two hinged connecting members 424. The first positioning plate 421 is located below the second positioning plate 422. Both sides of the first positioning plate 421 are correspondingly hinged to both sides of the second positioning plate 422 through the hinged connecting members 424. The hinged connecting members 424 enable the second positioning plate 422 to be initially The first positioning plate 421 is movable relative to the first positioning plate 421 and can be spliced ​​with the first positioning plate 421. The separation drive member 423 is arranged on one side of the first positioning plate 421, and its two ends are respectively connected to the hinged ends of the two hinged connecting members 424. The separation drive member 423 drives the two hinged connecting members 424 to move, so that the second positioning plate 422 moves upward away from the first positioning plate 421 in the initial posture; the first positioning plate 421 and the second positioning plate 422 are both rectangular structures, and the lengths of the two are the same. The first positioning plate 421 and the second positioning plate 422 are provided with a plurality of linearly evenly distributed rollers 425 on the side facing the transfer and conveying mechanism 2. The adjustment drive assembly 41 includes a spacing adjustment member 411, which is arranged on the transfer and conveying mechanism 2, and its two ends are respectively connected to the two first positioning plates 421, and the spacing adjustment member 411 drives the two first positioning plates 421 to slide linearly relative to the transfer and conveying mechanism 2.

[0032] It should be noted that when the above-mentioned conveying device is used to convey the front and rear seats of the car, Figure 1 The diagram shown is a state diagram when the conveying protection mechanism 4 is adjusted to convey the front and rear row seats. The front and rear row seats are placed on the loading conveying mechanism 1 in order by manual or loading and unloading robots, and the car seats are conveyed to the transfer conveying mechanism 2 by the loading conveying mechanism 1. The car seats are continuously conveyed by the transfer conveying mechanism 2. During the conveying process, the rear row seats are positioned by contacting the outer sides of the lower rear row seats with the first positioning plates 421 on the front and rear sides, and the front row seats are positioned by contacting the outer sides of the higher front row seats with the second positioning plates 422 on the front and rear sides. In this way, the function of positioning the front and rear row seats separately during the conveying process is realized to maintain the stability of the front and rear row seats during the conveying process.

[0033] Please refer to Figures 3 to 5The hinged connecting member 424 includes a slider 4241, a support spring 4242 and two hinged rods 4243. The two hinged rods 4243 are distributed on one side of the second positioning plate 422 in an inclined and parallel posture. One end of the two hinged rods 4243 is hinged to the upper and lower ends of one side of the slider 4241, and the other ends of the two hinged rods 4243 are hinged to the upper and lower ends of one side of the first positioning plate 421. Slide grooves 4244 are provided on both sides of the second positioning plate 422. The slider 4241 is slidably installed in the slide groove 4244 on the corresponding side, and the support spring 4242 is fixedly installed between the bottom of the slider 4241 and the inner wall of the slide groove 4244.

[0034] It should be noted that, refer to Figure 2 , Figure 3 and Figure 5 As shown, when the front and rear seats are normally transported, the second positioning plate 422 located at the top contacts the middle position of the front seat, and the first positioning plate 421 located at the bottom contacts the outer side of the rear seat. If the second positioning plate 422 is subjected to extrusion force, the slider 4241 can slide upward along the slide groove 4244 and stretch the support spring 4242. The cooperation of the slider 4241 and the support spring 4242 can buffer the extrusion force generated. In this way, it can be avoided that the second positioning plate 422 is in rigid contact with the accessories, causing damage to the accessories, or increasing the transportation resistance of the accessories. If other types of accessories need to be transported, the use state of the transportation protection mechanism 4 can be adjusted, and the drive can be driven by the separation drive member 423. The two synchronous hinged rods 4243 connected to it and located on both sides of the first positioning plate 421 rotate. Under the limiting action of the other two hinged rods 4243, the second positioning plate 422 can always move above the first positioning plate 421 in a vertical posture along the swing radius of the hinged rod 4243 until the second positioning plate 422 moves to the desired position, and the separation driving member 423 stops rotating. Under the locking action of the separation driving member 423, the hinged rod 4243 is no longer active and maintains a stable state. By driving the second positioning plate 422 to move above the first positioning plate 421, the position of the second positioning plate 422 can be adjusted so that it can adapt to different types of accessories to increase the flexibility of the contact positioning assembly 42.

[0035] Please refer to Figure 3 and Figure 4 The hinged connecting member 424 also includes a locking rotating rod 4245 and two plug-in blocks 4246. A slot 4247 adapted to the plug-in block 4246 is provided at the top of the first positioning plate 421. The two plug-in blocks 4246 are symmetrically fixed at the bottom of the first positioning plate 421. The locking rotating rod 4245 is rotatably installed on one side of the first positioning plate 421. A threaded hole 4248 adapted to the locking rotating rod 4245 is provided on one side of the second positioning plate 422.

[0036] It should be noted that if the conveyed accessories are relatively high and have a regular shape, the first positioning plate 421 and the second positioning plate 422 can be assembled together. During assembly, the second positioning plate 422 is first adjusted to the top of the first positioning plate 421 by the separation drive member 423 so that it is aligned with the second positioning plate 422. Then, by pressing the second positioning plate 422 downward, the second positioning plate 422 can be moved downward close to the first positioning plate 421, and the slider 4241 will not move downward with the second positioning plate 422 due to the restriction of the hinge rod 4243, but in the second During the downward movement of the positioning plate 422, the support spring 4242 is stretched synchronously by the pulling force of the second positioning plate 422. When the bottom of the second positioning plate 422 contacts the top of the first positioning plate 421, the plug-in block 4246 is just docked with the slot 4247, and the threaded hole 4248 is aligned with the end of the locking rod 4245. By rotating the locking rod 4245 to make it threadedly connected with the threaded hole 4248, the second positioning plate 422 is locked. At this time, the first positioning plate 421 and the second positioning plate 422 are stably assembled together to adapt to higher accessories.

[0037] Please refer to Figures 3 to 6 The separation driving member 423 includes a connecting rod 4231, a worm wheel 4232 and a worm 4233. The connecting rod 4231 is rotatably installed on one side of the transfer and conveying mechanism 2, and its two ends are respectively fixed to the hinged ends of the hinge rod 4243 on the corresponding side. The worm wheel 4232 is fixedly sleeved on the outer side of the connecting rod 4231, and the worm 4233 is rotatably installed on one side of the transfer and conveying mechanism 2, and the outer side of the worm 4233 is meshed with the worm wheel 4232.

[0038] It should be noted that when adjusting the second positioning plate 422, the worm gear 4232 and the connecting rotating rod 4231 can be rotated together by rotating the worm gear 4233, and the two hinged rods 4243 connected to the connecting rotating rod 4231 rotate together with the connecting rotating rod 4231. Under the joint rotation of the four hinged rods 4243, the second positioning plate 422 can move in a vertical posture, thereby realizing the position adjustment of the second positioning plate 422. After the second positioning plate 422 reaches the desired position, the worm gear 4233 stops rotating, and the worm gear 4233 and the connecting rotating rod 4231 no longer rotate, and maintain a stable state as required for the locking of the worm gear 4233.

[0039] Please refer to Figure 3 and Figure 7The spacing adjustment member 411 includes a screw rod 4111, two rotating disks 4112, two connecting seats 4113 and two sliding limit members. One end of the screw rod 4111 extends from one side of the transfer and conveying mechanism 2 to the other side thereof. The two ends of the outer side of the screw rod 4111 are provided with thread grooves in opposite directions. The two ends of the outer side of the screw rod 4111 are respectively hinged to one side of the first positioning plate 421 through the connecting seat 4113. The two rotating disks 4112 are respectively fixed to the two ends of the screw rod 4111. The two sliding limit members are symmetrically distributed on both sides of the transfer and conveying mechanism 2. The first positioning plate 421 is connected to the transfer and conveying mechanism 2 through the sliding limit member, and the first positioning plate 421 is limited by the sliding limit member to only slide linearly closer or farther relative to the transfer and conveying mechanism 2. The sliding limiter includes two limit slide bars and two articulated seats 4115. The two limit slide bars 4114 are symmetrically fixed at both ends of one side of the first positioning plate 421. One side of the two articulated seats 4115 is hinged to one side of the transfer conveying mechanism 2, and the top thereof is slidably connected to the outer side of the limit slide bar 4114 in a one-to-one corresponding manner.

[0040] It should be noted that when the width of the accessory is greater than the current spacing of the contact positioning components 42, the spacing of the contact positioning components 42 can be adjusted. During the adjustment, the turntable 4112 at either end of the screw rod 4111 can be rotated to drive the screw rod 4111 to rotate. Since the first positioning plate 421 is subject to the sliding restriction of the sliding rod, under the rotation of the screw rod 4111, the first positioning plate 421, the second positioning plate 422, and the connecting seat 4113 can be translated together, so that the first positioning plate 421 gradually moves away from the transfer conveying mechanism 2. In this way, the spacing adjustment of the two contact positioning components 42 is realized, and the conveying protection mechanism 4 can adapt to accessories of different widths.

[0041] Please refer to Figure 7 and Figure 8 In order to further adapt to accessories with inclination, the present invention is further optimized on the basis of the above scheme, specifically: the adjustment drive assembly 41 also includes an inclination adjustment member 412, the inclination adjustment member 412 includes a fixed seat 4121, a matching gear 4122, a tooth plate 4123 and an adjusting rotating rod 4124, one end of the fixed seat 4121 is fixedly installed on one side of the first positioning plate 421, and the other end thereof is hinged to the top of the connecting seat 4113, the matching gear 4122 is fixedly installed on the hinged end of the fixed seat 4121, the tooth plate 4123 is slidably installed on the connecting seat 4113, one side of which is meshed with the bottom of the matching gear 4122, and the adjusting rotating rod 4124 is rotatably installed on one side of the connecting seat 4113, and the outer side thereof is threadedly connected to one end of the tooth plate 4123.

[0042] It should be noted that when adjusting the inclination of the contact positioning assembly 42, by rotating the adjusting rod 4124, the tooth plate 4123 can be driven to translate toward the side of the mating gear 4122, and the mating gear 4122 starts to rotate under the driving action of the tooth plate 4123, and drives the fixed seat 4121 to rotate, and the first positioning plate 421 and the second positioning plate 422 start to flip under the rotation action of the fixed seat 4121, so that they move from the original vertical posture to an inclined posture. After the first positioning plate 421 reaches the desired inclination angle, stop rotating the adjusting rod 4124, and the tooth plate 4123 no longer drives the mating gear 4122 to rotate, thereby realizing the adjustment of the inclination angle of the first positioning plate 421 and the second positioning plate 422, so that they can adapt to the inclination of the accessories and effectively protect the accessories.

[0043] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. A parts conveying device for automobile assembly, characterized in that: include: A loading conveying mechanism (1), a transfer conveying mechanism (2), a unloading conveying mechanism (3), and a plurality of conveying protection mechanisms (4); A plurality of the conveying protection mechanisms (4) are linearly and evenly distributed on the transfer conveying mechanism (2), the conveying protection mechanism (4) comprising an adjustment drive assembly (41) and two contact positioning assemblies (42), the two contact positioning assemblies (42) being symmetrically arranged on both sides of the transfer conveying mechanism (2), the contact positioning assemblies (42) comprising a first positioning plate (421), a second positioning plate (422), a separation driving member (423) and two hinged connecting members (424), the first positioning plate (421) being located below the second positioning plate (422), and both sides of the first positioning plate (421) being hingedly connected. The hinged connection member (424) is correspondingly hinged to both sides of the second positioning plate (422); the hinged connection member (424) enables the second positioning plate (422) to move relative to the first positioning plate (421) in an initial posture and to be spliced ​​with the first positioning plate (421); the separation driving member (423) is arranged on one side of the first positioning plate (421), and its two ends are respectively connected to the hinged ends of the two hinged connection members (424); the separation driving member (423) drives the two hinged connection members (424) to move, so that the second positioning plate (422) moves upward away from the first positioning plate (421) in an initial posture; The adjustment drive assembly (41) comprises a spacing adjustment member (411), the spacing adjustment member (411) being arranged on the transfer conveying mechanism (2), and having two ends respectively connected to two first positioning plates (421), and the spacing adjustment member (411) drives the two first positioning plates (421) to slide linearly towards each other relative to the transfer conveying mechanism (2).

2. The automobile assembly parts conveying device according to claim 1, characterized in that: The hinged connecting member (424) includes a slider (4241), a support spring (4242) and two hinged rods (4243). The two hinged rods (4243) are distributed on one side of the second positioning plate (422) in an inclined parallel posture. One end of the two hinged rods (4243) is hinged to the upper and lower ends of one side of the slider (4241), and the other end of the two hinged rods (4243) is hinged to the upper and lower ends of one side of the first positioning plate (421). Both sides of the second positioning plate (422) are provided with sliding grooves (4244). The slider (4241) is slidably installed in the sliding groove (4244) on the corresponding side, and the support spring (4242) is fixedly installed between the bottom of the slider (4241) and the inner wall of the sliding groove (4244).

3. The automobile assembly parts conveying device according to claim 2, characterized in that: The hinged connection member (424) further comprises a locking rotating rod (4245) and a plurality of plug-in blocks (4246); a plurality of slots (4247) adapted to the plug-in blocks (4246) are provided on the top of the first positioning plate (421); the plurality of plug-in blocks (4246) are fixed to the bottom of the first positioning plate (421); the locking rotating rod (4245) is rotatably mounted on one side of the first positioning plate (421); a threaded hole (4248) adapted to the locking rotating rod (4245) is provided on one side of the second positioning plate (422).

4. The automobile assembly parts conveying device according to claim 3, characterized in that: The separation drive member (423) comprises a connecting rotating rod (4231), a worm wheel (4232) and a worm (4233); the connecting rotating rod (4231) is rotatably mounted on one side of the transfer conveying mechanism (2), and its two ends are respectively fixed to the hinged ends of the hinged rod (4243) on the corresponding side; the worm wheel (4232) is fixedly sleeved on the outer side of the connecting rotating rod (4231); the worm (4233) is rotatably mounted on one side of the transfer conveying mechanism (2), and the outer side of the worm (4233) is meshed with the worm wheel (4232).

5. The automobile assembly parts conveying device according to claim 4, characterized in that: The spacing adjustment member (411) comprises a screw rod (4111), two rotating disks (4112), two connecting seats (4113) and two sliding stoppers. One end of the screw rod (4111) extends from one side of the transfer conveying mechanism (2) to the other side thereof. The two ends of the outer side of the screw rod (4111) are provided with thread grooves in opposite directions. The two ends of the outer side of the screw rod (4111) are respectively hinged to one side of the first positioning plate (421) through the connecting seats (4113). The two rotating disks (4112) are respectively fixed to the two ends of the screw rod (4111). The two sliding stoppers are symmetrically distributed on both sides of the transfer conveying mechanism (2). The first positioning plate (421) is connected to the transfer conveying mechanism (2) through the sliding stoppers. The sliding stoppers limit the first positioning plate (421) to only slide linearly closer to or farther away from the transfer conveying mechanism (2).

6. The automobile assembly parts conveying device according to claim 5, characterized in that: The sliding limiter comprises a plurality of limit slide bars (4114) and hinge seats (4115) of the same number, one end of each of the limit slide bars (4114) being fixed to one side of the first positioning plate (421), one side of each of the hinge seats (4115) being hinged to one side of the transfer conveying mechanism (2), and the tops thereof being slidably connected to the outer sides of the limit slide bars (4114) in a one-to-one correspondence.

7. The automobile assembly parts conveying device according to claim 6, characterized in that: The adjustment drive assembly (41) further comprises an inclination adjustment member (412), the inclination adjustment member (412) comprising a fixed seat (4121), a matching gear (4122), a toothed plate (4123) and an adjustment rotating rod (4124), one end of the fixed seat (4121) being fixedly mounted on one side of the first positioning plate (421), and the other end of the fixed seat (4121) being hinged to the top of the connecting seat (4113), the matching gear (4122) being fixedly mounted on the hinged end of the fixed seat (4121), the toothed plate (4123) being slidably mounted on the connecting seat (4113), one side of the toothed plate (4123) being meshed with the bottom of the matching gear (4122), and the adjustment rotating rod (4124) being rotatably mounted on one side of the connecting seat (4113), and the outer side of the toothed plate (4123) being threadedly connected to one end of the toothed plate (4123).

8. The automobile assembly parts conveying device according to claim 3, characterized in that: The number of the plug-in blocks (4246) is two, and the two plug-in blocks (4246) are symmetrically distributed at two ends of the bottom of the first positioning plate (421), and the bottom of the plug-in block (4246) is provided with an inclined groove.

9. The automobile assembly parts conveying device according to claim 1, characterized in that: The first positioning plate (421) and the second positioning plate (422) are both rectangular structures and have the same length. A plurality of linearly evenly distributed rollers (425) are provided on the side of the first positioning plate (421) and the second positioning plate (422) facing the transfer conveying mechanism (2).

10. The automobile assembly parts conveying device according to claim 6, characterized in that: The number of the limiting sliding bars (4114) is set to two, and the two limiting sliding bars (4114) are symmetrically distributed at two ends of one side of the first positioning plate (421).

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