CN210756282U

CN210756282U - Rear bumper bracket buckle installation device

Info

Publication number: CN210756282U
Application number: CN201921898837.7U
Authority: CN
Inventors: 俞瑞富; 吴魏; 谢大智; 陈俊利; 夏柱
Original assignee: Mingguang Leadtop Intelligent Technology Co ltd
Current assignee: Mingguang Leadtop Intelligent Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-16
Anticipated expiration: 2029-11-05

Abstract

The utility model belongs to the technical field of rear bumper bracket accessory assembly, concretely relates to rear bumper bracket buckle installation device. The device comprises an L-shaped fixing frame, wherein the L-shaped fixing frame is formed by matching a bottom plate with a horizontally arranged plate surface and a vertical mounting plate with a vertically arranged plate surface; a profiling tool for placing the rear bumper bracket from top to bottom is arranged on the upper plate surface of the bottom plate close to the vertical mounting plate, and a pressing piece for pressing the rear bumper bracket from top to bottom is arranged beside the profiling tool; the device also comprises an upper assembling component for assembling the upper buckle at the position of the rear bumper bracket and a lower assembling component for assembling the lower buckle at the position of the rear bumper bracket. This device possesses that assembly buckle is fast, installation buckle precision is high and operate very convenient and fast's advantage, and realization that can automize is to the high-efficient assembly demand of the point pair point type of four group's buckles in rear bumper support department, finally ensures whole production's serialization and high efficiency.

Description

Rear bumper bracket buckle installation device

Technical Field

The utility model belongs to the technical field of rear bumper bracket accessory assembly, concretely relates to rear bumper bracket buckle installation device.

Background

With the progress of social development, the development of vehicle cost reduction has not been stopped on the premise of satisfying the requirement of structural rigidity of the vehicle. For the rear bumper bracket, the injection molding has been gradually changed from the beginning steel bar iron frame to reduce the cost and ensure the light weight. However, even if a convenient injection molding process is adopted, four groups of buckles for matching side parts on the rear bumper bracket, namely two groups of upper buckles and two groups of lower buckles, still need to be installed purely manually, which not only leads to the remarkable increase of labor intensity of workers, but also leads to extremely low assembly efficiency and high assembly error rate, and is more easy to generate wrong assembly conditions such as positive and negative reversal, and the like, thereby bringing adverse effects to the finished product delivery efficiency and even the actual finished product quality of the rear bumper bracket.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a rear bumper bracket buckle mounting device with reasonable structure; this device possesses that assembly buckle is fast, installation buckle precision is high and operate very convenient and fast's advantage, and realization that can automize is to the high-efficient assembly demand of the point pair point type of four group's buckles in rear bumper support department, finally ensures whole production's serialization and high efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rear bumper support buckle installation device which characterized in that: the device comprises an L-shaped fixing frame, wherein the L-shaped fixing frame is formed by matching a bottom plate with a horizontally arranged plate surface and a vertical mounting plate with a vertically arranged plate surface; a profiling tool for placing the rear bumper bracket from top to bottom is arranged on the upper plate surface of the bottom plate close to the vertical mounting plate, and a pressing piece for pressing the rear bumper bracket from top to bottom is arranged beside the profiling tool; this device is still including being used for assembling last assembly component of buckle and being used for assembling lower assembly component of buckle under rear bumper bracket department on rear bumper bracket department, wherein:

the upper assembly component comprises a plumb cylinder and a guide groove plate used for guiding a piston cylinder end traveling path of the plumb cylinder, a groove wall on one side of the guide groove plate is fixedly connected to the plate surface of the vertical mounting plate, a groove opening faces the direction parallel to the plate surface of the vertical mounting plate, and a piston rod end of the plumb cylinder vertically extends downwards and extends into a groove cavity of the guide groove plate along the groove length direction of the guide groove plate; the upper assembling component also comprises a guide box for guiding the upper buckle, the guide box is in a shape of a slotted plate with a notch facing the surface of the vertical mounting plate, a slotted cavity of the guide box is a T-shaped necking slot, and the upper buckle can do transverse reciprocating sliding motion along the slotted cavity of the guide box; one end of the guide box forms a feeding end, the discharge end of the guide box is communicated with the notch of the guide groove plate to form a material guide channel, and the arrangement position of the guide box and the action direction of the piston rod end of the vertical cylinder are spatially avoided; the upper assembling components are two groups, and the discharge ends of the two groups of guide groove plates point to corresponding upper buckle assembling points at the rear bumper bracket along the assembling direction of the upper buckles;

the lower assembly component comprises a horizontal cylinder and a profiling guide support for positioning the position of the lower buckle, and a piston cylinder of the horizontal cylinder is fixed on the upper plate surface of the bottom plate; the profiling guide support comprises a supporting block fixedly connected to the upper plate surface of the bottom plate, a profiling groove plate is arranged at one end, facing the rear bumper support, of the supporting block in an extending mode, the groove length direction of the profiling groove plate is vertically arranged, and the shape of a groove cavity of the profiling groove plate is matched with the shape profile of the lower buckle, so that the lower buckle can be placed into the profiling groove plate groove cavity from top to bottom in the vertical direction; the supporting shoe department sets up the guiding hole and the guiding hole level runs through imitative frid tank bottom, and the piston rod end level of horizontal cylinder passes this guiding hole and points to the corresponding lower buckle assembly point in rear bumper support department.

Preferably, the upper assembly component further comprises a transverse cartridge clip, the shape of the transverse cartridge clip is in a T-shaped necking groove shape in the same direction with the length direction of the guide box groove, and the outer wall of the transverse cartridge clip is consistent with the shape contour of the guide box groove cavity so as to be inserted into the guide box groove cavity along the groove direction of the guide box; the necking-shaped groove cavity of the transverse cartridge clip forms a sliding channel of the upper buckle; the feed end of horizontal cartridge clip seals and closes on the notch of feed end and offers the feed inlet that is used for the buckle of going into, feeds through each other between the discharge end of horizontal cartridge clip and the notch of guide way board so that go up the shift-in guide way board slot cavity that the buckle can be one by horizontal cartridge clip slot cavity.

Preferably, the slot cavity of the guide slot plate and the slot cavity of the profiling slot plate are respectively provided with a magnetic attraction surface capable of attracting the corresponding upper buckle or lower buckle.

Preferably, the device also comprises a lifting plate which can do vertical lifting action along the front surface of the vertical mounting plate, wherein a vertical guide rail is arranged on the front surface of the vertical mounting plate, the lifting plate and the vertical guide rail form a guide fit relation of a slide rail in the vertical direction of lead through a slide block, and a lifting cylinder is used as a power source for the movement of the lifting plate; the two groups of upper assembling components are arranged at the two ends of the lifting plate in a plane symmetry manner along the vertical symmetry plane of the lifting plate.

Preferably, the vertical mounting plate penetrates through the plate body to be provided with the avoidance hole, a piston cylinder of the lifting cylinder is fixed on the back surface of the vertical mounting plate, and the vertical guide rail is arranged on the front surface of the vertical mounting plate; the back surface of the lifting plate is convexly provided with a connecting block, and the end of a piston rod of the lifting cylinder vertically extends downwards and forms a fixed connection matching relation with the connecting block; the avoidance hole is a rectangular hole vertically arranged in the length direction, so that the avoidance hole and the action path of the connecting block are subjected to space avoidance.

Preferably, the piston rod end of the lifting cylinder is connected with the connecting block through a universal connector.

Preferably, the device further comprises a sensing assembly for monitoring the in-place information of the lifting plate, wherein the sensing assembly comprises a fixed block fixed on the front surface of the vertical mounting plate, an in-place sensor and a damper are arranged at the fixed block, the sensing end of the in-place sensor faces upwards and points to the bottom end surface of the lifting plate, and the damping end of the damper is located at the lowest position of the motion path of the lifting plate.

Preferably, the two groups of lower assembling components are arranged at two sides of the upper plate surface of the bottom plate in a plane symmetry mode along the vertical symmetry plane of the lifting plate.

Preferably, the horizontal cylinder is a double-shaft cylinder, one end of the connecting block is fixedly connected with the piston rod end of the horizontal cylinder, the other end of the connecting block is fixedly connected with the pressure rod, and the pressure rod and the guide hole at the support block form a sliding guide fit relation.

Preferably, a reinforcing rib plate for reinforcing the structural stability between the vertical mounting plate and the bottom plate is arranged at the plate back surface of the vertical mounting plate.

The beneficial effects of the utility model reside in that:

1) the manual piece operation of going up that wastes time and energy of tradition has been abandoned, and then utilized mechanical mechanism's ingenious combination, and realized the rapid Assembly purpose to four group's buckles of rear bumper support department, thereby make the utility model discloses possessed that assembly buckle is fast, installation buckle precision is high and operate very convenient and fast's advantage, finally ensured whole production's serialization and high efficiency ization.

In actual operation, the L-shaped fixing frame is formed by matching the bottom plate and the vertical mounting plate, and then the profiling tool is matched with the pressing piece to ensure reliable positioning and fixing of the rear bumper bracket. And then, the upper assembling component acts and enables the piston rod end to move downwards until the upper buckle positioned in the groove cavity of the guide groove plate is pressed to move downwards to an upper buckle assembling point of the rear bumper bracket, and then the purpose of press-in assembling of the upper buckle is achieved through the power of the vertical cylinder. In a similar way, the lower assembling component also acts and enables the piston rod end to move forwards until the lower buckle positioned in the groove cavity of the profiled groove plate is pressed to move forwards to the lower buckle assembling point of the rear bumper bracket, and then the purpose of press-in assembling of the lower buckle is achieved through the power of the horizontal cylinder. The utility model discloses the action is clear and definite succinct, and the action is accurate and stable, and automation efficiency is high.

2) The guide box is arranged to achieve rapid piece feeding operation of the upper buckle by means of guidance of the groove cavity of the guide box. In practice, it is not always stable enough to lift the loading efficiency by manually loading the parts one by one into the slot of the guide box. The utility model discloses a set up horizontal cartridge clip in the slot intracavity of direction casket, realize loading in advance and the direction purpose of buckle through horizontal cartridge clip. On the one hand, the sliding groove of the transverse cartridge clip, namely the groove cavity, adopts the profile modeling design of the shape of the matched upper buckle, and has the functions of error prevention and guiding. On the other hand, the transverse cartridge clip adopts a detachable structure relative to the guide box, and an operator can prepare a plurality of transverse cartridge clips filled with the upper clamping piece in advance like a rifle cartridge clip; during installation, the empty cartridge clip is detached, the fully loaded transverse cartridge clip is aligned to the slot cavity of the guide box, and the cartridge clip is placed into the slot cavity and then pushed transversely to complete the replacement action. During the use, transversely promote the last buckle in the horizontal cartridge clip slot chamber one by one with the finger extremely, make it slide to the slot chamber of direction frid one by one, it is very convenient to use, and the assembly efficiency of going up the buckle can be showing and is promoted.

3) And for further improving the stability of the upper part of the upper buckle and the lower buckle, the magnetic attraction surfaces capable of attracting the corresponding buckles are arranged on the groove cavity of the guide groove plate and the groove cavity of the profiling groove plate. In case corresponding buckle targets in place the back, is inhaled the face locking promptly by magnetism to guarantee the positional stability after corresponding buckle targets in place.

4) In addition, considering that the profiling tool is a piece from top to bottom, the upper assembling component above the profiling tool may influence the normal placement of the rear bumper bracket. In view of this, the utility model discloses add plumb elevating system, also used the lift cylinder to drive the lifter plate and produce controllable lift action along the vertical guide to dodge the normal route of putting into of rear bumper support. The arrangement of the avoiding holes enables partial structural members of the vertical lifting mechanism to be arranged on the back surface of the vertical mounting plate on one hand, so that the front area parts of the vertical mounting plate are as few as possible, and the mounting height can be as low as possible. On the other hand, the avoiding hole can effectively avoid the action path of the connecting block, so that the normal and stable work of the whole plumb lifting mechanism can be ensured.

5) The arrangement of the sensing assembly is used for monitoring the in-place information of the lifting plate so as to ensure that the assembly end of the upper assembly can be always reset at the set position after the lifting action is carried out, and the assembly accuracy of the upper buckle piece is ensured. The damper has the limiting purpose of the lowest position of the lifting plate so as to prevent the descending stroke of the lifting plate from exceeding a preset minimum value and ensure high working reliability of the mechanism.

6) And the mounting positions of the two groups of lower assembly components correspond to the mounting points of the lower buckle piece in the same way, so that the assembly accuracy is ensured. The horizontal cylinder is matched with the installation mode of the pressing rod and the supporting block, so that the guiding accuracy of the pressing rod and the stability of pressing action are guaranteed. The reinforcing rib plate is used for reinforcing the structural rigidity and stability between the vertical mounting plate and the bottom plate, and the details are not repeated here.

Drawings

FIG. 1 is a perspective view of a rear bumper bracket;

FIG. 2 is a perspective view of the present invention in an operating state;

FIG. 3 is a state diagram of the assembly positions of the bottom plate, the profiling tool and the pressing piece;

FIG. 4 is a state view of the assembled positions of the vertical mounting plate, the lifter plate and the upper assembly member;

FIG. 5 is a perspective view of the upper mounting assembly;

FIG. 6 is a diagram of the arrangement of the relief holes and the lift cylinders at the vertical mounting plate;

FIG. 7 is a perspective view of the lower mount assembly;

fig. 8 is a front view of the lower mount assembly.

The utility model discloses each reference numeral is as follows with the actual corresponding relation of part name:

a-rear bumper bracket b-lower buckle c-upper buckle

11-bottom plate 12-vertical mounting plate 12 a-avoidance hole

20-profiling tool 30-pressing piece

40-Upper Assembly

41-plumb cylinder 42-guide groove plate 43-guide box 44-transverse cartridge clip

50-lower assembly

51-horizontal cylinder 52-supporting block 53-profiling groove plate 53 a-guide hole

54-connecting block 55-pressure lever

61-lifting plate 61 a-connecting block 62-vertical guide rail

63-lifting cylinder 64-universal joint

65 a-fixed block 65 b-in-place sensor 65 c-damper

70-Reinforcement Panel

Detailed Description

For ease of understanding, the specific structure and operation of the present invention is further described herein as follows:

for ease of description, the side facing the reader shown in FIG. 2 is the front side, and the other side is correspondingly the back side; that is, one surface of the vertical mounting plate 12 facing the profiling fixture 20 is a front surface of the plate and the other surface is a back surface of the plate, and one surface of the bottom plate 11 for mounting the profiling fixture 20 is the front surface of the plate and the other surface is the back surface of the plate. At this time, the specific structure of the present invention is shown in fig. 1-8, and includes an L-shaped fixing frame, a profiling fixture 20, a pressing member 30, a vertical lifting mechanism, an upper assembling component 40, and a lower assembling component 50. Wherein:

the L-shaped fixing frame is shaped like an L-shaped plate as shown in figure 2, and is formed by matching a bottom plate 11 and a vertical mounting plate 12 during actual manufacturing. During assembly, the vertical mounting plate 12 is vertically erected at the rear end of the upper plate surface of the bottom plate 11, so that the L-shaped fixing frame is formed, and the structure of the L-shaped fixing frame is stabilized through the reinforcing rib plate 70.

The bottom plate 11 has a square plate shape as shown in fig. 3. The profiling fixture 20 is arranged at the rear end of the upper plate surface of the bottom plate 11, so that the purpose of reliable profiling positioning of the rear bumper bracket a is achieved by the aid of a fetal membrane surface of the profiling fixture 20, which is matched with the shape of the rear bumper bracket a. The pressing piece 30 directly uses a conventional rotary pressing cylinder, so that the pressing head of the pressing piece 30 is matched with the fetal membrane surface of the profiling tooling 20 to realize the bidirectional clamping type pressing function of the rear bumper bracket a. The lower mounting assembly 50 is mounted to the base plate 11 as shown in fig. 2. The lower mount assembly 50 includes a horizontal cylinder 51 and a support block 52 at a front end of the horizontal cylinder 51. The support block 52 is provided with a flange or a flange for screw-fastening to the upper surface of the bottom plate 11. The front end of the support block 52 facing the profiling fixture 20 is provided with a profiling groove plate 53. The shape of the profiled groove plate 53 is shown in fig. 7-8, so that the accurate positioning of the position of the lower buckle b is realized by the design of the groove cavity of the profiled groove plate 53, which is consistent with the profile of the lower buckle b. The support block 52 is further horizontally provided with a guide hole 53a in a penetrating manner, the piston rod end of the horizontal cylinder 51 is fixedly connected with the connecting block 54, and the connecting block 54 is further used for fixing the pressing rod 55, so that the automatic assembly purpose of the lower buckle b is realized through the top bracing function of the pressing rod 55 relative to the lower buckle b in the groove cavity of the profiling groove plate 53.

The vertical mounting plate 12 is shown in outline with reference to figures 4-6. The vertical mounting plate 12 is provided with an avoiding hole 12a in a penetrating manner, two sets of vertical guide rails 62 are arranged on two sides of the avoiding hole 12a, and the vertical guide rails 62 are matched with a lifting plate 61 through sliders. The lifting cylinder 63 shown in fig. 6 is fixed on the back of the connecting plate through a connecting block 61a, so as to realize the controllable lifting function of the lifting plate 61. Two groups of upper assembling components 40 are symmetrically arranged on the front surface of the lifting plate 61. In order to further ensure the operation accuracy of the vertical lifting mechanism, a sensing assembly as shown in fig. 4 is mounted on the motion path of the lifting plate 61, and the sensing assembly in fig. 4 includes a fixed block 65a, a position sensor 65b and a damper 65 c. The upper assembly 40 includes a plumb cylinder 41, a guide channel plate 42, a guide box 43, and a horizontal cartridge holder 44. In operation, as shown in fig. 5, the rod end of the vertical cylinder 41 extends downward into the guide box 43, and the notch of the square-grooved plate-shaped guide groove plate 42 faces the guide box 43 side, and in fig. 5, the notch faces the guide box 43 on the left side. It should be noted that the groove end of the groove body is two end openings, and the groove opening of the groove body is the opening position of the groove body relative to the bottom surface of the groove body. The guide box 43 is matched with the transverse cartridge clip 44, and when the device is used, the transverse cartridge clip 44 which is buckled on a full load can be quickly assembled relative to the guide box 43 through the operation of the cartridge clip.

In order to further understand the utility model discloses, this gives the utility model discloses practical work flow as follows:

1) checking and confirming the utility model discloses each part normal work.

2) The vertical lifting mechanism is started, the lifting cylinder 63 returns and drives the lifting plate 61 to lift at the moment, the upper assembling component 40 is driven to lift, the pressing piece 30 rotates, and the purpose is to avoid the placing path of the injection molding piece, namely the rear bumper support a.

3) And the injection molding part is placed on the tire mold surface of the profiling tool 20 on the bottom plate 11 from top to bottom, and the pressing part 30 is started to press the injection molding part. The plumb lifting mechanism descends and resets.

4) And the operator dials the upper buckle c in the transverse cartridge clip 44 at the assembling component 40 to realize transverse feeding of the upper buckle c. The upper buckle c is shifted to move transversely to the groove cavity of the guide groove plate 42 along the transverse clip 44, and is adsorbed and fixed by the magnetic absorption surface in the groove cavity of the guide groove plate 42. Subsequently, the operator manually places the lower buckle b into the groove cavity of the profiling groove plate 53 at the lower assembly component 50, and at the moment, the lower buckle b is firmly adsorbed and fixed by the magnetic attraction surface in the groove cavity of the profiling groove plate 53.

5) And the hand beats the two hand buttons, starts the corresponding cylinders at the upper assembling component 40 and the lower assembling component 50, and realizes the press-in assembling operation of the four groups of buckles.

6) And after the four groups of buckles are assembled, the lifting plate 61 and the upper assembly 40 are lifted by operating the vertical lifting mechanism. Subsequently, the pressing part 30 is opened, the injection molded part which is assembled is taken out, and the buckle assembly process of the current injection molded part is completed.

Of course, the above is one specific embodiment of the present invention. In practical operation, the equivalent replacement of each cylinder as the power source, for example, the power source is driven by the motor, and the conventional structure change of the pressing piece 30 or even the pressing rod should be regarded as equivalent or similar design and fall into the protection scope of the present invention.

Claims

1. The utility model provides a rear bumper support buckle installation device which characterized in that: the device comprises an L-shaped fixing frame, wherein the L-shaped fixing frame is formed by matching a bottom plate (11) with a horizontal plate surface and a vertical mounting plate (12) with a vertical plate surface; a profiling tool (20) for placing a rear bumper bracket from top to bottom is arranged on the upper plate surface of the bottom plate (11) close to the vertical mounting plate (12), and a pressing piece (30) for pressing the rear bumper bracket from top to bottom is arranged beside the profiling tool (20); the device also comprises an upper assembly component (40) for assembling the upper buckle at the position of the rear bumper bracket and a lower assembly component (50) for assembling the lower buckle at the position of the rear bumper bracket, wherein:

the upper assembling component (40) comprises a vertical air cylinder (41) and a guide groove plate (42) used for guiding a piston cylinder end traveling path of the vertical air cylinder (41), wherein a groove wall on one side of the guide groove plate (42) is fixedly connected to the plate surface of the vertical mounting plate (12), a groove opening faces the direction parallel to the plate surface of the vertical mounting plate (12), and a piston rod end of the vertical air cylinder (41) vertically extends downwards and extends into a groove cavity of the guide groove plate (42) along the groove length direction of the guide groove plate (42); the upper assembling component (40) further comprises a guide box (43) used for guiding the upper buckle, the guide box (43) is in a shape of a slotted plate with a notch facing the surface of the vertical mounting plate (12), a slotted cavity of the guide box (43) is a T-shaped necking groove, and the upper buckle can do transverse reciprocating sliding motion along the slotted cavity of the guide box (43); one end of the guide box (43) forms a feeding end, the discharging end of the guide box (43) is communicated with the notch of the guide groove plate (42) to form a material guide channel, and the arrangement position of the guide box (43) and the action direction of the piston rod end of the vertical cylinder (41) are mutually spatially avoided; the upper assembling components (40) are two groups, and the discharge ends of the two groups of guide groove plates (42) point to corresponding upper buckle assembling points at the rear bumper bracket along the assembling direction of the upper buckles;

the lower assembling component (50) comprises a horizontal cylinder (51) and a profiling guide support for positioning the lower clamping position, and a piston cylinder of the horizontal cylinder (51) is fixed on the upper plate surface of the bottom plate (11); the profiling guide support comprises a supporting block (52) fixedly connected to the upper plate surface of the bottom plate (11), a profiling groove plate (53) is arranged at one end, facing the rear bumper support, of the supporting block (52) in an extending mode, the groove length direction of the profiling groove plate (53) is vertically arranged, the shape of a groove cavity of the profiling groove plate (53) is matched with the shape profile of the lower buckle, and therefore the lower buckle can be placed into the groove cavity of the profiling groove plate (53) from top to bottom in the vertical direction; a guide hole (53a) is formed in the supporting block (52), the guide hole (53a) horizontally penetrates through the bottom of the groove plate (53), and the piston rod end of the horizontal cylinder (51) horizontally penetrates through the guide hole (53a) and points to a corresponding lower buckling assembly point at the rear bumper bracket.

2. A rear bumper bracket snap-fit mounting arrangement according to claim 1, characterised in that: the upper assembling component (40) also comprises a transverse cartridge clip (44), the shape of the transverse cartridge clip (44) is in a T-shaped necking groove shape which is in the same direction with the length direction of the groove of the guide box (43), and the outer wall of the transverse cartridge clip (44) is consistent with the shape contour of the groove cavity of the guide box (43) so as to be inserted into the groove cavity of the guide box (43) along the groove direction of the guide box (43); the necking-shaped groove cavity of the transverse clip (44) forms a sliding channel of the upper buckle; the feed end of the transverse cartridge clip (44) is closed, a notch close to the feed end is provided with a feed inlet for pressing in the upper buckle, and the discharge end of the transverse cartridge clip (44) is communicated with the notch of the guide groove plate (42) so that the upper buckle can be moved into the groove cavity of the guide groove plate (42) one by one from the groove cavity of the transverse cartridge clip (44).

3. A rear bumper bracket snap-fit mounting arrangement according to claim 2, wherein: and magnetic attraction surfaces capable of attracting corresponding upper buckles or lower buckles are respectively arranged in the groove cavity of the guide groove plate (42) and the groove cavity of the profiling groove plate (53).

4. A rear bumper bracket snap-fit mounting arrangement according to claim 1 or 2 or 3, characterised in that: the device also comprises a lifting plate (61) which can do vertical lifting action along the front surface of the vertical mounting plate (12), wherein a vertical guide rail (62) is arranged on the front surface of the vertical mounting plate (12), the lifting plate (61) and the vertical guide rail (62) form a lead vertical slide rail guiding fit relation through a slide block, and a lifting cylinder (63) is used as a power source for the movement of the lifting plate (61); the two sets of upper assembling components (40) are arranged at the two ends of the lifting plate (61) in a plane symmetry mode along the vertical symmetry plane of the lifting plate (61).

5. The rear bumper bracket snap-fit mounting arrangement of claim 4, wherein: the vertical mounting plate (12) penetrates through the plate body to be provided with an avoidance hole (12a), a piston cylinder of a lifting cylinder (63) is fixed on the back surface of the vertical mounting plate (12), and a vertical guide rail (62) is arranged on the front surface of the vertical mounting plate (12); a connecting block (61a) is convexly arranged on the back surface of the lifting plate (61), and the piston rod end of the lifting cylinder (63) vertically extends downwards and forms a fixed connection matching relation with the connecting block (61 a); the avoidance hole (12a) is a rectangular hole vertically arranged in the length direction so as to avoid the action path of the connecting block (61a) from each other in space.

6. A rear bumper bracket snap-fit mounting arrangement according to claim 5, wherein: the piston rod end of the lifting cylinder (63) is connected with the connecting block (61a) through a universal connector (64).

7. The rear bumper bracket snap-fit mounting arrangement of claim 4, wherein: the device further comprises a sensing assembly for monitoring the in-place information of the lifting plate (61), wherein the sensing assembly comprises a fixing block (65a) fixed on the front surface of the vertical mounting plate (12), an in-place sensor (65b) and a damper (65c) are arranged at the fixing block (65a), the sensing end of the in-place sensor (65b) faces upwards and points to the bottom end face of the lifting plate (61), and the damping end of the damper (65c) is located at the lowest position of the action path of the lifting plate (61).

8. The rear bumper bracket snap-fit mounting arrangement of claim 4, wherein: the two groups of lower assembling components (50) are arranged at two sides of the upper plate surface of the bottom plate (11) in a plane symmetry manner along the vertical symmetry plane of the lifting plate (61); the horizontal cylinder (51) is a double-shaft cylinder, one end of the connecting block (54) is fixedly connected with a piston rod end of the horizontal cylinder (51), the other end of the connecting block is fixedly connected with a pressing rod (55), and a sliding guide matching relation is formed between the pressing rod (55) and a guide hole (53a) at the supporting block (52).

9. A rear bumper bracket snap-fit mounting arrangement according to claim 1 or 2 or 3, characterised in that: and a reinforcing rib plate (70) used for reinforcing the structural stability between the vertical mounting plate (12) and the bottom plate (11) is arranged on the plate back surface of the vertical mounting plate (12).

10. A rear bumper bracket snap-fit mounting arrangement according to claim 1 or 2 or 3, characterised in that: the pressing piece (30) is a rotary pressing cylinder.