Clamp device for passenger handrail mounting bracket and welding clamp assembly with same

Abstract

The utility model relates to the field of welding fixtures, in particular to a fixture device for a passenger handrail mounting bracket and a welding fixture assembly with the fixture device. Comprising a first clamping device and a second clamping device; the second clamping device comprises a second angle seat, and a placing mechanism and a second clamping mechanism are arranged on the second angle seat; the first clamping device comprises a first angle seat, and a positioning mechanism and a first clamping mechanism are arranged on the first angle seat; the positioning mechanism comprises a positioning part arranged on the first angle seat; the first clamping device and the second clamping device are used in cooperation, extrusion limiting can be conducted on the side wall rear edge beam reinforcing plate and the passenger handrail installation support to be installed, the stability of the relative positions of the side wall rear edge beam reinforcing plate and the passenger handrail installation support before welding is guaranteed, and the situation that welding is conducted on the side wall rear edge beam reinforcing plate and the passenger handrail installation support in the follow-up welding process is avoided. Relative deviation is generated between the two; and the welding precision of welding the two parts is improved.

Description

Technical Field

[0001] The utility model relates to the field of welding jigs, in particular to a jig device for installing a passenger armrest bracket and a welding jig assembly with the jig device. Background Art

[0002] At present, the car market is highly competitive, and the models of major domestic vehicle manufacturers are iterating rapidly. Due to the pursuit of vehicle lightweight and the need for product competitiveness, a large number of lightweight materials are used in vehicles. Among them, a large amount of ultra-high-strength steel plates and hot-formed steel plates are used in the body of the car skeleton.

[0003] The passenger armrest mounting bracket belongs to the front part assembly inside the side wall. The parts involved in the front part assembly inside the side wall of the current vehicle under development all use ultra-high-strength steel plates. Ultra-high-strength steel plates are prone to rebound and distortion, are sensitive to dimensions and difficult to control, and the dimensional changes after welding are also obvious.

[0004] The most common problems are the instability and unqualified of the nut holes and surfaces of the passenger armrest mounting brackets, which affect the ESO approval of the parts and the development of the vehicle nodes. The phenomenon on the vehicle is that the passenger armrest does not return properly.

[0005] At the same time, the existing welding device mainly squeezes and limits a single passenger armrest mounting bracket, lacking the ability to position two passenger armrest mounting brackets simultaneously.

[0006] In addition, when fixing the passenger armrest mounting brackets simultaneously, when adjusting the positioning dimension of any one of the passenger armrest mounting brackets, it is necessary to modify the pressing head or the pressing mechanism. Such a setting will inevitably increase the investment cost of the jig.

[0007] Although the existing jigs can also well realize the installation and placement of parts, the overall adjustment ability of the placement position is limited or cannot be adjusted, and the applicable range of the jig cannot be improved; for example, the content disclosed in Patent 202220167388.4 - the positioning structure of an automotive armrest bracket welding tooling.

[0008] Therefore, in order to improve the above problems, it is necessary to optimize the design of the existing welding device for passenger armrest mounting brackets. Summary of the Utility Model

[0009] The purpose of the utility model is to provide a jig device that can facilitate the positioning and placement of a passenger armrest mounting bracket and a side wall rear crossmember reinforcement plate before welding.

[0010] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0011] A jig device for a passenger armrest mounting bracket, comprising a first clamping device and a second clamping device;

[0012] The second clamping device comprises a second angle seat, and the second angle seat is provided with a placement mechanism and a second clamping mechanism;

[0013] The placement mechanism comprises a lower support plate arranged on the second angle seat, and the lower support plate is provided with a lower support block;

[0014] The second clamping mechanism includes a second extrusion mechanism; the second extrusion mechanism is connected to a second driving mechanism;

[0015] The first clamping device comprises a first angle seat, and the first angle seat is provided with a positioning mechanism and a first clamping mechanism;

[0016] The positioning mechanism comprises a positioning component arranged on the first angle seat, the positioning component comprises a support pad, and the support pad is provided with a positioning pin;

[0017] The first clamping mechanism comprises a first squeezing mechanism disposed on the support pad;

[0018] The positioning mechanism is connected to a first driving mechanism.

[0019] The first driving mechanism is connected to the positioning mechanism through a linkage mechanism; the linkage mechanism includes a primary plate arranged on the first angle seat, a secondary plate is provided on the primary plate, and the secondary plate is connected to the primary plate through a linkage plate; the secondary plate is hinged to the primary plate through the linkage plate; the positioning component is connected to the first angle seat through a linkage mechanism; the first driving mechanism is hinged to the primary plate and the secondary plate at the same time.

[0020] The support pad is connected to the secondary mold plate through a double-guide rod cylinder.

[0021] The positioning component also includes an adjusting component; the positioning pin is connected to the support pad through the adjusting component; the adjusting component includes a symbol-shaped connecting block arranged on the support pad, the symbol-shaped connecting block is connected to the symbol-shaped support block through the pin seat connecting block, and the positioning pin is arranged on the symbol-shaped support block; each of the symbol-shaped support blocks corresponds to a positioning pin.

[0022] The first extrusion mechanism comprises a first extrusion portion arranged on the support pad; the first extrusion portion is connected to a linkage pressing block;

[0023] The first driving mechanism comprises a first driving cylinder, a cylinder body of the first driving cylinder is connected to the primary mold plate, and a piston rod of the first driving cylinder is connected to the secondary mold plate;

[0024] The second extrusion mechanism comprises a pressing arm, and an upper pressing block is provided on one end of the pressing arm away from the second driving mechanism;

[0025] The second driving mechanism includes a second driving cylinder disposed on the lower support plate; the cylinder block of the second driving cylinder is connected to the lower support plate, and the other end is connected to one end of the pressing arm away from the upper pressing block;

[0026] The pressing arm is hinged to the lower support plate.

[0027] A sensor mounting bracket is provided on the pressing arm; the sensor mounting bracket includes a substrate, and a longitudinal side plate is provided at each end of the substrate.

[0028] The linkage pressing block includes a U-shaped connecting frame, the middle region of the U-shaped connecting frame is connected to the first pressing portion through a connecting pin shaft, and bracket pressing blocks are respectively provided at both ends of the U-shaped connecting frame; two upper pressing blocks are also provided at the end of the pressing arm.

[0029] A plurality of support blocks are provided on the lower support plate, and the plurality of support blocks are distributed at intervals; the positioning member includes two positioning pins; the two positioning pins are distributed at intervals.

[0030] The fixture device further includes a control system, the control system includes a detection module, the detection module is connected with a control module, and the control module is connected with an execution module.

[0031] A welding fixture assembly includes a working platform, and the fixture device is provided on the working platform.

[0032] The advantages of the present utility model are as follows:

[0033] The present utility model discloses a fixture device for a passenger armrest mounting bracket and a welding fixture assembly having the fixture device.

[0034] By the combined use of the first clamping device and the second clamping device, the present utility model can perform extrusion and limit on the side wall rear side beam reinforcement plate and the to-be-installed passenger armrest mounting bracket, ensure the stability of the relative position between the side wall rear side beam reinforcement plate and the passenger armrest mounting bracket before welding, avoid relative displacement between the two during subsequent welding, and improve the welding precision between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The following briefly describes the content expressed in each drawing of the specification of the present utility model and the marks in the drawings:

[0036] Figure 1 It is a schematic structural diagram of the fixture device of the present utility model.

[0037] Figure 2 It is a schematic structural diagram of the first pressing mechanism in the present utility model.

[0038] Figure 3 It is a schematic structural diagram of the second clamping device in the present utility model.

[0039] Figure 4 This is a schematic structural view of the fixed bracket of the passenger armrest of the present utility model connected to the fixture device.

[0040] Figure 5 This is a schematic structural view of the fixture device in the present utility model when arranged on the fixture assembly.

[0041] The markings in the above figures are all:

[0042] 1-1, the first clamping device, 1-2, the second clamping device; 1-11, the first driving mechanism, 1-12, the first pressing mechanism, 1-21, the second driving mechanism, 1-22, the second pressing mechanism;

[0043] 1, the passenger armrest mounting bracket, 3, the side wall rear side beam reinforcement plate, 4, the double guide rod cylinder, 5, the secondary template, 6, the primary template, 7, the first driving cylinder, 8, the first angle seat, 9, the second angle seat, 11, the U-shaped connecting frame, 12, the connecting pin shaft, 13, the bracket pressing block, 14, the positioning pin, 16, the pin seat connecting block, 19, the shaped support block, 21, the shaped connecting block, 22, the support backing plate, 23, the thin cylinder, 25, the first pressing part, 30, the upper pressing block, 31, the longitudinal side plate, 32, the sensor mounting bracket, 33, the infrared sensor, 34, the substrate, 36, the proximity switch, 37, the pressing arm, 38, the second driving cylinder, 39, the second limit switch, 41, the contact block, 42, the lower support block. Specific embodiments

[0044] The following further describes in detail the specific embodiments of the present utility model by describing the optimal embodiments with reference to the accompanying drawings.

[0045] A fixture device 101 for a passenger armrest mounting bracket 1 includes a first clamping device 1-1 and a second clamping device 1-2; by the combined use of the first clamping device 1-1 and the second clamping device 1-2 in the present utility model, the side wall rear side beam 3 reinforcement plate and the passenger armrest mounting bracket 1 to be installed can be squeezed and limited, ensuring the stability of the relative position between the side wall rear side beam 3 reinforcement plate and the passenger armrest mounting bracket 1 before welding, avoiding relative displacement between the two during subsequent welding; and improving the welding accuracy between the two.

[0046] The fixture device 101 disclosed in the present utility model is mainly used to limit the position of the passenger armrest mounting bracket 1 and ensure the stability of its placement position.

[0047] Meanwhile, the fixture device 101 disclosed by the present utility model mainly includes a first clamping device 1-1 and a second clamping device 1-2. The first clamping device 1-1 of the present utility model mainly limits the position of the passenger armrest mounting bracket 1, while the second clamping device 1-2 mainly provides a placement position and a longitudinal supporting force for the reinforcement plate of the rear side beam 3 of the side wall and the passenger armrest mounting bracket 1. At the same time, it cooperates with the corresponding clamping mechanism to realize the stability of the placement positions of the passenger armrest mounting bracket 1 and the reinforcement plate of the rear side beam 3 of the side wall.

[0048] In the present utility model, the second clamping device 1-2 includes a second angle seat 9, and the second angle seat 9 plays a very good role in supporting and raising. A placement mechanism and a second clamping mechanism are provided on the second angle seat 9. The setting of the placement mechanism facilitates the support and placement of the reinforcement plate of the rear side beam 3 of the side wall during actual use, and the setting of the second clamping mechanism can squeeze and fix the position of the reinforcement plate of the rear side beam 3 of the side wall.

[0049] Furthermore, in the present utility model, the placement mechanism includes a lower support plate provided on the second angle seat 9, and a lower support block 42 is provided on the lower support plate. The lower support plate is equivalent to a base plate member and is fixed on the second angle seat 9. The setting of the lower support block 42 mainly provides a placement position for the reinforcement plate of the rear side beam 3 of the side wall, facilitating the support and limit below the reinforcement plate of the rear side beam 3 of the side wall. At the same time, during actual design, multiple lower support blocks 42 can be provided on the lower support plate, and the multiple lower support blocks 42 are spaced apart from each other, and the specific distribution positions are determined according to the set support positions of the corresponding reinforcement plates of the rear side beam 3 of the side wall.

[0050] In addition, in the present utility model, the second clamping mechanism includes a second extrusion mechanism 1-22. The second extrusion mechanism 1-22 is connected to a second driving mechanism 1-21. The second extrusion mechanism 1-22 is a component for squeezing and fixing the upper end of the reinforcement plate of the rear side beam 3 of the side wall during subsequent use, and the setting of the second driving mechanism 1-21 can be used to control the position of the second extrusion mechanism 1-22.

[0051] Similarly, in the present utility model, the first clamping device 1-1 includes a first angle seat 8, and a positioning mechanism and a first clamping mechanism are provided on the first angle seat 8. The first angle seat 8 also plays a role in supporting and raising. The setting of the positioning mechanism is mainly used to limit the position of the passenger armrest mounting bracket 1. In the present utility model, the positioning mechanism includes a positioning component provided on the first angle seat 8, and the positioning component includes a support backing plate 22, and a positioning pin 14 is provided on the support backing plate 22. During subsequent use, the positioning pin 14 is inserted into the corresponding passenger armrest mounting bracket 1, thereby realizing the position limitation of the corresponding passenger armrest mounting bracket 1. Subsequently, in cooperation with the first clamping mechanism, the position of the passenger armrest mounting bracket 1 can be locked.

[0052] In addition, in the present utility model, the first clamping mechanism includes a first extrusion mechanism 1-12 disposed on the support backing plate 22; the first extrusion mechanism 1-12 serves as a pressing member, mainly for extruding the upper end of the passenger armrest mounting bracket 1, and cooperating with the second clamping device 1-2 to achieve the position limitation of the passenger armrest mounting bracket 1.

[0053] Meanwhile, in order to control the position of the positioning pin 14 as needed, in the present utility model, the positioning mechanism is connected with a first driving mechanism 1-11; the first driving mechanism 1-11 is mainly used to control whether the positioning member rotates, and then to achieve the control of the position of the corresponding positioning pin 14.

[0054] Furthermore, in the present utility model, the first driving mechanism 1-11 is connected to the positioning mechanism through a linkage mechanism; the setting of the linkage mechanism is mainly to facilitate the control of the position of the positioning mechanism by the first driving mechanism 1-11; specifically, in the present utility model, the linkage mechanism includes a first-stage template 6 disposed on the first angle seat 8, the first-stage template 6 is fixed on the first angle seat 8, a second-stage template 5 is provided on the first-stage template 6, and the second-stage template 5 is connected to the first-stage template 6 through a linkage plate; the second-stage template 5 is connected to the first-stage template 6 in a hinged manner, and the linkage plate plays a good bridging connection role. In actual design, both ends of the linkage plate also need to be hinged to adjacent components; the second-stage template 5 is hinged to the first-stage template 6 through the linkage plate; the positioning member is connected to the first angle seat 8 through the linkage mechanism; the first driving mechanism 1-11 is simultaneously hinged to the first-stage template 6 and the second-stage template 5; based on such a setting, during subsequent use, the flipping operation of the second-stage template 5 can be realized by starting the first driving mechanism 1-11; and then drive the position of the positioning member connected thereto.

[0055] Furthermore, in the present utility model, the support backing plate 22 is connected to the second-stage template 5 through a double-guide rod cylinder 4; the double-guide rod cylinder 4 is also used to control the position of the positioning pin 14, so as to facilitate it to be in the working position and the idle position; in actual arrangement, the positioning pin 14 and the double-guide rod cylinder 4 disclosed in the present utility model are both arranged obliquely, as shown in the attached drawings, mainly for cooperating with the holes on the side of the passenger armrest mounting bracket 1.

[0056] Furthermore, in the utility model, the positioning component also includes an adjusting component; the positioning pin 14 is connected to the support pad 22 through the adjusting component; the adjusting component includes a symbol-shaped connecting block 21 arranged on the support pad 22, the symbol-shaped connecting block 21 is connected to the symbol-shaped support block 19 through the pin seat connecting block 16, and the positioning pin 14 is arranged on the symbol-shaped support block 19; each of the symbol-shaped support blocks 19 corresponds to a positioning pin 14; the utility model can control the position of the positioning pin 14 by adjusting the relative positions of the support pad 22, the symbol-shaped connecting block 21, the pin seat connecting block 16 and the symbol-shaped support block 19, that is, the connection and arrangement position between each other.

[0057] Furthermore, in the utility model, the first extrusion mechanism 1-12 includes a first extrusion part 25 arranged on the supporting pad; the first extrusion part 25 is connected to a linkage clamping block; the first extrusion part 25 controls the linkage clamping block to move, thereby realizing extrusion control of the corresponding passenger handrail mounting bracket 1.

[0058] In actual design, the first pressing portion 25 includes a thin cylinder 23 disposed on a supporting pad 22 .

[0059] At the same time, in the utility model, the first driving mechanism 1-11 includes a first driving cylinder 7, the cylinder body of the first driving cylinder 7 is connected to the primary mold plate 6, and the piston rod of the first driving cylinder 7 is connected to the secondary mold plate 5; the start and stop of the first driving cylinder 7 is mainly used to control the position of the secondary mold plate 5, thereby realizing the swing control operation of the first extrusion mechanism 1-12.

[0060] At the same time, in the utility model, the second extrusion mechanism 1-22 includes a pressing arm 37, and an upper pressing block 30 is provided on the end of the pressing arm 37 away from the second driving mechanism 1-21; the second driving mechanism 1-21 includes a second driving cylinder 38 arranged on the lower supporting plate; the cylinder body of the second driving cylinder 38 is connected to the lower supporting plate, and the other end is connected to the end of the pressing arm 37 away from the upper pressing block 30; subsequently, the position of the upper pressing block 30 is controlled by the second driving mechanism 1-21 to realize the extrusion and fixation of the corresponding passenger handrail mounting bracket 1.

[0061] At the same time, in order to facilitate the rotation of the pressing arm 37, the present invention requires that the pressing arm 37 be hinged to the lower supporting plate.

[0062] Further, in the present utility model, a sensor mounting bracket 32 is provided on the pressing arm 37; the sensor mounting bracket 32 includes a base plate 34, and a longitudinal side plate 31 is provided at each end of the base plate 34; such a setting makes the sensor mounting bracket 32 equivalent to a U-shaped bracket structure, which facilitates the arrangement and placement of the infrared sensor 33 during subsequent use, and facilitates the identification of the position and whether the passenger armrest mounting bracket 1 is placed during subsequent use.

[0063] Further, in the present utility model, the linkage pressing block includes a U-shaped connecting frame 11, the middle region of the U-shaped connecting frame 11 is connected to the first pressing portion 25 through a connecting pin shaft 12, and bracket pressing blocks 13 are respectively provided at the two ends of the U-shaped connecting frame 11; two upper pressing blocks 30 are also provided at the end of the pressing arm 37; in the present utility model, based on the use of the connecting pin shaft 12, the U-shaped connecting frame 11 is equivalent to a linkage block structure. During subsequent pressing, the pressing adopts a one-press-two upper pressing method, that is, the two bracket pressing blocks 13 are linked through an intermediate pin shaft, which can ensure the balance and stability of the pressing force. When adjusting the positioning dimension of any one of the passenger armrest mounting brackets 1, the bracket pressing blocks 13 do not need to be deliberately adjusted, and the pressure will be automatically balanced and shared due to the existence of the intermediate pin shaft.

[0064] Meanwhile, in the present utility model, a plurality of support blocks are provided on the lower support plate, and the plurality of support blocks are distributed at intervals; such a setting can provide multiple installation positions for the side wall lower side beam; meanwhile, in the present utility model, the positioning component includes two positioning pins 14; the two positioning pins 14 are distributed at intervals; the use of the two positioning pins 14 can realize the limitation of the installation positions of the two passenger armrest mounting brackets 1.

[0065] Further, in the present utility model, the fixture device 101 further includes a control system, the control system includes a detection module, the detection module is connected to a control module, and the control module is connected to an execution module; in the present utility model, the detection module is mainly used to identify the corresponding components and send signals to the control module. After receiving the signals transmitted by the detection module, the control module makes corresponding identification and judgment, and issues instructions, and then controls the execution module to perform corresponding actions.

[0066] Through the setting of the control system in the present utility model, the problems of material shortage and inaccurate part layout position can be avoided as much as possible.

[0067] In the present utility model, the detection module mainly includes a first limit switch 17 provided on the support backing plate 22 or the conforming connecting block 21; a second limit switch 39 provided on the lower support plate, a proximity switch 36 provided on the lower support plate, and an infrared sensor 33 provided on the longitudinal side plate 31 in the sensor mounting bracket 32.

[0068] A welding fixture assembly 103 includes a working platform 102, and a fixture device 101 is provided on the working platform 102. Based on the setting of the above welding fixture assembly 103, the welding and assembly between the reinforcement plate of the rear side beam 3 of the side panel and the two passenger armrest mounting brackets 1 can be realized.

[0069] Specifically:

[0070] The utility model discloses a fixture device 101 for a passenger armrest mounting bracket 1. This fixture device 101 fixes the two mounting brackets of the passenger armrest on a corner seat, adopts the combination positioning of the main surface conforming type and the nut hole pin, and the pressing adopts the upper pressing of the linkage one pressing two, that is, two upper pressing blocks 30 are connected by an intermediate pin shaft, ensuring the balance and stability of the pressing force. However, when adjusting the positioning dimension of any one of the passenger armrest mounting brackets 1, the upper pressing block 30 does not need to be deliberately adjusted. Due to the existence of the intermediate pin shaft, the pressure will be automatically evenly distributed. At the same time, the support, pressing and infrared laser anti-error under the flange surface are increased. When the passenger armrest mounting bracket 1 is not installed, the infrared ray does not detect the part, and the fixture action will be logically locked and no next action will be performed.

[0071] During actual use:

[0072] The reinforcement plate of the rear side beam 3 of the side panel is first placed on the lower support block 42, and the proximity switch 36 signal is used to confirm whether the part is installed in place and for anti-error. The first driving cylinder 7 pushes the secondary template 5 to press on the primary template 6, and the double guide rod cylinder 4 extends. At this time, the passenger armrest mounting bracket 1 is manually installed on the positioning pin 14.

[0073] The connection of the three parts of the pin seat connection block 16, the conforming type connection block 21, and the support backing plate 22 realizes the adjustment of the X / Y / Z three directions of the 1 passenger armrest mounting bracket 1, and the connection of the three parts of the pin seat connection block 16, the conforming type connection block 21, and the support backing plate 22 realizes the adjustment of the three direction combinations of the X / Y / Z of the 2 passenger armrest mounting brackets 1.

[0074] When the fixture works, when the first extrusion part 25 drives the linkage pressing block to press against the first limit switch 17, it indicates that the air circuit has been connected and the next action can be performed. The position adjustment of the linkage pressing block is realized through the Y joint on the thin cylinder 23; the second driving mechanism 1-21 drives the pressing arm 37 in the second extrusion mechanism 1-22 to move. When the contact block 41 presses against the second limit switch 39, the upper pressing blocks 30 respectively press on the flange surface of the passenger armrest mounting bracket 1 or the reinforcement plate of the rear side beam 3 of the side panel, playing a role of fixing and pressing.

[0075] An infrared sensor 33 is provided on the sensor mounting bracket 32 and irradiates the corresponding passenger armrest mounting bracket 1. If no part is installed, the infrared ray has no induction to achieve the anti-error effect.

[0076] Two passenger armrest mounting brackets 1 are on a connecting and mounting mechanism, ensuring relative positioning dimensions. The linkage pressing block achieves the balance of pressing force through the connecting pin 12, reducing the dimensional problems caused by the dimensional changes of the plate parts.

[0077] The application of the infrared sensor 33 prevents missing parts. The support and pressing of the mounting surface of the passenger armrest bracket and the welding flange surface achieve more comprehensive and stable fixing and pressing of the parts. The adjustment of the X / Y / Z three-direction combination is realized due to the adoption of the three-way connection.

[0078] Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the present utility model, they are all within the protection scope of the present utility model.

Claims

1. A clamp device for a passenger handrail mounting bracket, characterized in that: It includes a first clamping device and a second clamping device; The second clamping device comprises a second angle seat, and the second angle seat is provided with a placement mechanism and a second clamping mechanism; The placement mechanism comprises a lower support plate arranged on the second angle seat, and the lower support plate is provided with a lower support block; The second clamping mechanism includes a second extrusion mechanism; the second extrusion mechanism is connected to a second driving mechanism; The first clamping device comprises a first angle seat, and the first angle seat is provided with a positioning mechanism and a first clamping mechanism; The positioning mechanism comprises a positioning component arranged on the first angle seat, the positioning component comprises a support pad, and the support pad is provided with a positioning pin; The first clamping mechanism comprises a first squeezing mechanism disposed on the support pad; The positioning mechanism is connected to a first driving mechanism.

2. A clamp device for a passenger handrail mounting bracket according to claim 1, characterized in that: The first driving mechanism is connected to the positioning mechanism through a linkage mechanism; the linkage mechanism includes a primary plate arranged on the first angle seat, a secondary plate is provided on the primary plate, and the secondary plate is connected to the primary plate through a linkage plate; the secondary plate is hinged to the primary plate through the linkage plate; the positioning component is connected to the first angle seat through a linkage mechanism; the first driving mechanism is hinged to the primary plate and the secondary plate at the same time.

3. A clamp device for a passenger handrail mounting bracket according to claim 2, characterized in that: The support pad is connected to the secondary mold plate through a double-guide rod cylinder.

4. A clamp device for a passenger handrail mounting bracket according to claim 2, characterized in that: The positioning component also includes an adjusting component; the positioning pin is connected to the support pad through the adjusting component; the adjusting component includes a symbol-shaped connecting block arranged on the support pad, the symbol-shaped connecting block is connected to the symbol-shaped support block through the pin seat connecting block, and the positioning pin is arranged on the symbol-shaped support block; each of the symbol-shaped support blocks corresponds to a positioning pin.

5. A clamp device for a passenger handrail mounting bracket according to claim 2, characterized in that: The first extrusion mechanism comprises a first extrusion portion arranged on the support pad; the first extrusion portion is connected to a linkage pressing block; The first driving mechanism comprises a first driving cylinder, a cylinder body of the first driving cylinder is connected to the primary mold plate, and a piston rod of the first driving cylinder is connected to the secondary mold plate; The second extrusion mechanism comprises a pressing arm, and an upper pressing block is provided on one end of the pressing arm away from the second driving mechanism; The second driving mechanism comprises a second driving cylinder arranged on the lower supporting plate; the cylinder body of the second driving cylinder is connected to the lower supporting plate, and the other end is connected to the end of the pressing arm away from the upper pressing block; The pressing arm is hinged to the lower supporting plate.

6. A clamp device for a passenger handrail mounting bracket according to claim 5, characterized in that: The pressure arm is provided with a sensor mounting bracket; the sensor mounting bracket comprises a base plate, and two ends of the base plate are respectively provided with a longitudinal side plate.

7. A clamp device for a passenger handrail mounting bracket according to claim 5, characterized in that: The linkage clamping block includes a U-shaped connecting frame, the middle area of ​​the U-shaped connecting frame is connected to the first extrusion part through a connecting pin, and the ends of both ends of the U-shaped connecting frame are respectively provided with bracket clamps; the end of the pressure arm is also provided with two upper clamps.

8. A clamp device for a passenger handrail mounting bracket according to claim 4, characterized in that: The lower supporting plate is provided with a plurality of supporting blocks, which are distributed at intervals; the positioning component includes two positioning pins, which are distributed at intervals.

9. A clamp device for a passenger handrail mounting bracket according to claim 2, characterized in that: The clamp device further comprises a control system, wherein the control system comprises a detection module, the detection module is connected to a control module, and the control module is connected to an execution module.

10. A welding fixture assembly, characterized in that: It comprises a working platform, on which is provided a clamping device as claimed in any one of claims 1 to 9.

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