Taillight installation workpiece clamping and positioning device and welding tooling system

Abstract

The present invention discloses a taillight installation workpiece clamping and positioning device and a welding tooling system, which are used to clamp and position the taillight installation workpiece. The taillight installation workpiece is provided with a plurality of positioning holes. The taillight installation workpiece clamping and positioning device comprises a mounting seat, at least three positioning pins and a plurality of rotating arms. The mounting seat is used to be installed on a processing table. At least three positioning pins are not colinear and are arranged in parallel along the front-back direction. At least three positioning pins are arranged on the mounting seat and can move along the front-back direction to adapt to and extend into the corresponding three positioning holes. The plurality of rotating arms are arranged at intervals along the left-right direction, and the plurality of rotating arms are hingedly arranged on the mounting seat along the left-right axis. In the rotation stroke of the plurality of rotating arms, the plurality of rotating arms can cooperate with the mounting seat to clamp the taillight installation workpiece. The positioning accuracy of the taillight installation workpiece is improved by the parallel movable arrangement of the three positioning pins. The complexity of the device is reduced by the flipping and clamping of the first-level rotating arm, and the occupation of the welding channel is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of positioning and clamping, and in particular to a taillight installation workpiece pressing and positioning device and a welding tooling system. Background Art

[0002] The traditional taillight installation workpiece positioning mechanism generally uses a two-stage flip arm flipping and pressing form to position and press the taillight installation workpiece, wherein a positioning pin is set on one flip arm and a clamping block is set on the other flip arm. Since the positioning pin is inserted into the positioning hole of the taillight installation workpiece by flipping, the positioning accuracy of the positioning pin for the positioning hole cannot be very high. At the same time, the two-stage flip arm will occupy more assembly welding operation channels. Summary of the invention

[0003] The main purpose of the present invention is to provide a taillight installation workpiece pressing and positioning device, aiming to solve the problem of low positioning accuracy existing in the existing taillight installation workpiece positioning mechanism.

[0004] To achieve the above-mentioned purpose, the taillight installation workpiece pressing and positioning device proposed in the present invention is used to press and position the taillight installation workpiece, and the taillight installation workpiece is provided with a plurality of positioning holes. The taillight installation workpiece pressing and positioning device comprises:

[0005] A mounting base, used for mounting on a processing table;

[0006] At least three positioning pins are not collinear and are arranged in parallel along the front-rear direction, and the at least three positioning pins are arranged on the mounting seat and can move along the front-rear direction to fit into the corresponding three positioning holes; and

[0007] A plurality of rotating arms are arranged at intervals along the left-right direction, and the plurality of rotating arms are hingedly arranged on the mounting seat along the left-right axis. During the rotation stroke of the plurality of rotating arms, the plurality of rotating arms can cooperate with the mounting seat to press the taillight mounting workpiece.

[0008] Optionally, the mounting seat includes a mounting base and a plurality of support seats, the mounting base is used to be mounted to the processing table, the plurality of support seats are detachably arranged on the mounting base, and each of the rotating arms is hingedly arranged on the corresponding support seat along a left-right axis.

[0009] Optionally, a plurality of support blocks are formed on each of the support seats, and a plurality of clamping blocks are provided on the rotating arm corresponding to the plurality of support blocks. During the rotational stroke of the rotating arm, the plurality of clamping blocks can cooperate with the corresponding support blocks to clamp the taillight installation workpiece.

[0010] Optionally, the rotating arm is formed with an articulated drive portion;

[0011] The taillight installation workpiece clamping and positioning device also includes multiple clamping cylinders, and the cylinder seats of the multiple clamping cylinders are hinged to the corresponding support seats along the left-right axis, and the cylinder rods of the multiple clamping cylinders are hinged to the corresponding articulated drive parts along the left-right axis.

[0012] Optionally, the mounting base includes a first base, the first base includes a fixed base and a movable base, the fixed base is used to be mounted on the processing table, and the movable base is movably arranged on the fixed base along the front-rear direction;

[0013] The taillight installation workpiece pressing and positioning device further comprises a first driving cylinder, a cylinder seat of the first driving cylinder is arranged on the fixed seat, and a cylinder rod of the first driving cylinder extends in the front-rear direction and is connected to the movable seat;

[0014] Wherein, at least two of the positioning pins are connected to the movable seat via an adapter block; and / or, one of the plurality of support seats is connected to the movable seat.

[0015] Optionally, the taillight installation workpiece clamping and positioning device also includes two displacement sensors, which are arranged on the fixed seat and are respectively located in front and rear positions of the movable seat. The two displacement sensors are used to respectively detect the in-place status of the movable seat along the front and rear directions.

[0016] Optionally, a limiting block and a matching block that abut against each other are further provided between the fixed seat and the movable seat, the limiting block is provided on the fixed seat, and the matching block is provided on the movable seat;

[0017] When the movable seat moves forward to a position, the matching block abuts against the limiting block.

[0018] Optionally, the mounting base includes a second base;

[0019] The taillight installation workpiece clamping and positioning device also includes a second driving cylinder, a cylinder seat of the second driving cylinder is arranged on the second base, and a cylinder rod of the second driving cylinder is extended in the front-to-back direction, wherein at least one of the positioning pins is connected to the cylinder rod of the second driving cylinder through an adapter block; and / or, one of the multiple support seats is connected to the second base.

[0020] Optionally, the taillight installation workpiece pressing and positioning device further comprises a plurality of auxiliary pressing blocks, wherein the plurality of auxiliary pressing blocks are respectively connected to the mounting seat and the plurality of rotating arms via adapter blocks, and the plurality of auxiliary pressing blocks are respectively used to abut against the front side or the rear side of the taillight installation workpiece, wherein some of the auxiliary pressing blocks are used to extend to the welding edge position of the taillight installation workpiece; and / or,

[0021] At least one of the locating pins is disposed near a welding edge of the taillight mounting workpiece.

[0022] The present invention also provides a welding tooling system, comprising the above-mentioned taillight installation workpiece clamping and positioning device.

[0023] In the technical solution provided by the present invention, the three positioning pins can be used to limit the movement and rotation of the taillight installation workpiece along its extension direction, as well as the rotation of the taillight installation workpiece along the axis in the front-to-back direction. The plurality of rotating arms and the mounting seat are then pressed together to restrict the movement of the taillight installation workpiece in the front-to-back direction. At this point, the six degrees of freedom of the taillight installation workpiece are completely restricted and the positioning is stable. Moreover, since the three positioning pins are arranged in parallel along the front-to-back direction and can move in the front-to-back direction, the process of taking and placing the taillight installation workpiece is more convenient and the positioning accuracy of the positioning hole is higher. At the same time, the one-stage flipping of the rotating arm reduces the overall complexity of the device and reduces the occupation of the welding operation channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 A structural schematic diagram of an embodiment of the taillight installation workpiece positioning and installation by the taillight installation workpiece pressing and positioning device provided by the present invention;

[0026] Figure 2 for Figure 1 A schematic diagram of the structure of the taillight installation workpiece;

[0027] Figure 3 for Figure 1 A structural schematic diagram of the section A of the taillight installation workpiece;

[0028] Figure 4 for Figure 1 A schematic diagram of the structure of the taillight installation workpiece clamping and positioning device;

[0029] Figure 5 for Figure 1 A schematic structural diagram of the taillight installation workpiece clamping and positioning device from another perspective.

[0030] Description of Figure Numbers:

[0031]

[0032]

[0033] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that if a directional indication is involved in the embodiment of the present invention, the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] The traditional taillight installation workpiece positioning mechanism generally uses a two-stage flip arm flipping and pressing form to position and press the taillight installation workpiece, wherein a positioning pin is set on one flip arm and a clamping block is set on the other flip arm. Since the positioning pin is inserted into the positioning hole of the taillight installation workpiece by flipping, the positioning accuracy of the positioning pin for the positioning hole cannot be very high. At the same time, the two-stage flip arm will occupy more assembly welding operation channels.

[0038] In view of this, the present invention proposes a taillight installation workpiece pressing and positioning device, which aims to solve the problem of low positioning accuracy of the existing taillight installation workpiece positioning mechanism, wherein Figures 1 to 5 A simplified structural diagram of an embodiment of the present invention is provided.

[0039] See also Figure 1 , Figures 4 to 5The taillight installation workpiece pressing and positioning device 100 includes a taillight installation workpiece pressing and positioning device for pressing and positioning the taillight installation workpiece 200, and a plurality of positioning holes 201a are provided on the taillight installation workpiece 200. The taillight installation workpiece 200 is provided with a plurality of positioning holes 201a. The taillight installation workpiece pressing and positioning device includes a mounting seat 1, at least three positioning pins 2 and a plurality of rotating arms 3. The mounting seat 1 is used to be installed on a processing table; the at least three positioning pins 2 are not colinear and are arranged in parallel along the front-to-back direction; the at least three positioning pins 2 are arranged on the mounting seat 1 and can move along the front-to-back direction to adapt to and extend into the corresponding three positioning holes 201a; the plurality of rotating arms 3 are arranged at intervals along the left-right direction, and the plurality of rotating arms 3 are hingedly arranged on the mounting seat 1 along the left-right axis. In the rotation stroke of the plurality of rotating arms 3, the plurality of rotating arms 3 can cooperate with the mounting seat 1 to press the taillight installation workpiece 200.

[0040] In the technical solution provided by the present invention, the three positioning pins 2 can limit the movement and rotation of the taillight installation workpiece 200 along its extension direction, and limit the rotation of the taillight installation workpiece 200 along the axis of the front-to-back direction, and then the plurality of rotating arms 3 and the mounting seat 1 are cooperated to press and restrict the movement of the taillight installation workpiece 200 in the front-to-back direction. At this point, the six degrees of freedom of the taillight installation workpiece 200 are completely restricted and the positioning is stable. Moreover, since the three positioning pins 2 are arranged in parallel along the front-to-back direction and can move in the front-to-back direction, the process of taking and placing the taillight installation workpiece 200 is more convenient and the positioning accuracy of the positioning hole 201a is higher. At the same time, the first-level flipping form of the rotating arm 3 reduces the overall complexity of the device and reduces the occupation of the welding operation channel.

[0041] It should be noted that, for the taillight installation workpiece 200 of different structural forms, the positioning hole 201a is set at different positions. Figure 2 and Figure 3 When the taillight installation workpiece 200 is in the form of a two-section bend, the taillight installation workpiece 200 is formed with two installation sections 201 extending in the same direction, and a connecting section connecting the two installation sections 201. In this case, two of the at least three positioning holes 201a corresponding to the at least three positioning pins 2 are arranged in the same installation section 201, and the other positioning hole 201a is arranged in another installation section 201.

[0042] In order to improve the positioning effect of the positioning pin 2, in the present embodiment, the positioning pin 2 is configured as a hook tongue pin, and the hook tongue pin has a pin body and a hook tongue block. The side wall of the pin body is provided with a receiving groove, and the hook tongue block is adapted to be arranged in the receiving groove and can be movably extended out of the receiving groove. When the tail light installation workpiece 200 is positioned in place, the hook tongue block is driven to extend out of the receiving groove to abut against the positioning surface of the tail light installation workpiece 200, thereby hooking the tail light installation workpiece 200 in the front-to-back direction, so as to achieve the auxiliary limiting degree of freedom of the tail light installation workpiece 200 along the front-to-back displacement, thereby reducing the number of the rotating arms 3, and further reducing the overall complexity of the device.

[0043] Furthermore, in this embodiment, the mounting seat 1 includes a mounting base 11 and a plurality of support seats 12, the mounting base 11 is used to be mounted on the processing table, the plurality of support seats 12 are detachably arranged on the mounting base 11, and each of the rotating arms 3 is hingedly arranged on the corresponding support seat 12 along the left-right axis. In this way, the mounting seat 1 is arranged in the form of a detachable mounting combination of the mounting base 11 and the plurality of support seats 12, so that modular installation is realized, which is convenient for assembly, disassembly, maintenance and replacement, and is also convenient for replacing the corresponding positioning module according to the change of the processing technology.

[0044] Furthermore, in this embodiment, a plurality of support blocks 121 are formed on each of the support seats 12, and a plurality of pressing blocks 31 are provided on the rotating arm 3 corresponding to the plurality of support blocks 121. In the rotation stroke of the rotating arm 3, the plurality of pressing blocks 31 can cooperate with the corresponding support blocks 121 to press the taillight installation workpiece 200. Through the cooperative arrangement of the support blocks 121 and the pressing blocks 31, the taillight installation workpiece 200 can be supported and positioned even when the structure is relatively complex.

[0045] It should be noted that the support block 121 and the clamping block 31 are connected to the corresponding support seat 12 and the corresponding rotating arm 3 through an adapter block. Such an arrangement can realize replacement of the adapter blocks, the support blocks 121 and the clamping blocks 31 of different specifications in response to different taillight installation workpieces 200, so as to improve the versatility of the clamping and positioning device.

[0046] There are many driving modes for the rotating arm 3. In this embodiment, the rotating arm 3 is formed with an articulated driving part 32. The taillight installation workpiece clamping and positioning device also includes a plurality of clamping cylinders 4. The cylinder seats of the plurality of clamping cylinders 4 are hinged to the corresponding support seats 12 along the left-right axis, and the cylinder rods of the plurality of clamping cylinders 4 are hinged to the corresponding articulated driving part 32 along the left-right axis. Through the articulated setting of the cylinder rod and the articulated driving part 32, the flipping drive of the rotating arm 3 is realized, and the driving effect is stable and the clamping effect is good.

[0047] In other embodiments, the rotating arm 3 can also be turned over by being driven by a driving motor.

[0048] In another embodiment, the mounting base 11 includes a first base 111, the first base 111 includes a fixed seat 1111 and a movable seat 1112, the fixed seat 1111 is used to be mounted on the processing table, and the movable seat 1112 is movably arranged on the fixed seat 1111 along the front-back direction; the taillight mounting workpiece pressing and positioning device also includes a first driving cylinder 1113, the cylinder seat of the first driving cylinder 1113 is arranged on the fixed seat 1111, and the cylinder rod of the first driving cylinder 1113 extends along the front-back direction and is connected to the movable seat 1112; wherein at least two of the positioning pins 2 are connected to the movable seat 1112 through an adapter block; and / or, one of the plurality of support seats 12 is connected to the movable seat 1112. By setting the first base 111 in the form of a fixed seat 1111 and a movable seat 1112, and then setting at least two of the positioning pins 2 on the movable seat 1112, the movable setting of the positioning pins 2 is achieved. The rotating arm 3 is pushed by setting one of the plurality of supporting seats 12 on the movable seat 1112 .

[0049] It should be noted that the above two parallel technical solutions can be set up one by one or at the same time. Obviously, the effect of setting them together is better. The two positioning pins 2 and the rotating arm 3 can be driven forward or backward at the same time by the movable seat 1112, so as to facilitate the loading and unloading of the taillight installation workpiece 200. At the same time, the rotating arm 3 and the positioning pin 2 are set closer, which can enhance the positioning and clamping effect.

[0050] Furthermore, in order to realize the accurate movement of the movable seat 1112 into position, in this embodiment, the taillight installation workpiece pressing and positioning device further includes two displacement sensors 5, which are arranged on the fixed seat 1111 and respectively located in front and rear of the movable seat 1112. The two displacement sensors 5 are used to respectively detect the position of the movable seat 1112 in the front and rear directions. By setting the two displacement sensors 5, the position of the movable seat 1112 can be monitored respectively, so as to remind the operator to suspend the operation, prevent the excessive displacement of the movable seat 1112, and avoid damage to the device.

[0051] In another embodiment, a stopper 1111a and a matching block 1112a are provided between the fixed seat 1111 and the movable seat 1112. The stopper 1111a is provided on the fixed seat 1111, and the matching block 1112a is provided on the movable seat 1112. When the movable seat 1112 moves forward to its proper position, the matching block 1112a abuts against the stopper 1111a. The setting of the stopper 1111a and the matching block 1112a prevents the movable seat 1112 from moving forward excessively, thereby preventing the taillight installation workpiece 200 from being crushed.

[0052] In this embodiment, the mounting base 11 includes a second base 112; the taillight mounting workpiece pressing and positioning device also includes a second driving cylinder 1121, the cylinder seat of the second driving cylinder 1121 is arranged on the second base 112, and the cylinder rod of the second driving cylinder 1121 is extended in the front-to-back direction, wherein at least one of the positioning pins 2 is connected to the cylinder rod of the second driving cylinder 1121 through an adapter block; and / or, one of the plurality of support bases 12 is connected to the second base 112. Such a configuration facilitates the replacement of the second base 112, the corresponding support base 12, the rotating arm 3 and at least one of the positioning pins 2 as a whole, or adjusts the position to adapt to a variety of taillight mounting workpieces 200 of different specifications, thereby improving the versatility of the device.

[0053] It should be noted that the above two parallel technical solutions "at least one of the positioning pins 2 is connected to the cylinder rod of the second driving cylinder 1121 through an adapter block" and "one of the multiple support seats 12 is connected to the second base 112" can be set one by one or at the same time. Obviously, the effect of setting them at the same time is better. Setting the rotating arm 3 and the positioning pin 2 closer can enhance the positioning and clamping effect.

[0054] For the taillight installation workpiece 200 with a larger area, it is often necessary to perform multi-point positioning and pressing according to the different strengths of various areas of the taillight installation workpiece 200. Based on this, in this embodiment, the mounting base 1 includes a first base 111 and a second base 112, and the first base 111 and the second base 112 are each provided with at least one positioning pin 2 and at least one rotating arm 3, so as to achieve positioning and pressing of each area of ​​the taillight installation workpiece 200, thereby improving the overall positioning accuracy.

[0055] In this embodiment, the taillight installation workpiece clamping and positioning device also includes a plurality of auxiliary clamping blocks 6, and the plurality of auxiliary clamping blocks 6 are respectively connected to the mounting seat 1 and the plurality of rotating arms 3 through adapter blocks, and the plurality of auxiliary clamping blocks 6 are used to respectively abut against the front side or the rear side of the taillight installation workpiece 200, wherein some of the auxiliary clamping blocks 6 are used to extend to the welding edge 202 position of the taillight installation workpiece 200, and through the extended setting of the auxiliary clamping blocks 6, the welding edge 202 of the taillight installation workpiece 200 is further positioned and clamped, thereby preventing the occurrence of a height difference between the two welding edges 202 during welding, thereby improving the welding accuracy.

[0056] In another embodiment, at least one of the positioning pins 2 is disposed close to the welding edge 202 of the taillight installation workpiece 200. In this way, the positioning and pressing area is close to the welding edge 202, thereby improving the welding accuracy.

[0057] It should be noted that the above two parallel technical solutions can be set up one by one or at the same time, both of which are for the purpose of making the positioning and clamping area closer to the welding edge 202 of the taillight installation workpiece 200, so as to prevent the welding edge 202 of the taillight installation workpiece 200 and the corresponding vehicle side panel installation guard plate from being separated during the welding process. Obviously, the effect of setting the above two parallel technical solutions at the same time is better.

[0058] Based on the above embodiment, the present invention further provides a method for positioning a taillight installation workpiece 200, comprising the following steps:

[0059] The movable seat 1112 retreats to its proper position, and each of the rotating arms 3 is in an open state;

[0060] The second driving cylinder 1121 drives at least one of the positioning pins 2 to move forward to a position, and the first driving cylinder 1113 drives the movable seat 1112 to move forward until the displacement sensor 5 located at the front side detects a position signal;

[0061] Place the taillight installation workpiece 200 correspondingly on at least three of the positioning pins 2;

[0062] The plurality of clamping cylinders 4 respectively drive the plurality of rotating arms 3 to move to a clamping state.

[0063] In addition, the present invention also provides a welding tooling system, which includes the taillight installation workpiece clamping and positioning device 100 in the above-mentioned scheme. It should be noted that the structure of the taillight installation workpiece clamping and positioning device 100 in the welding tooling system can refer to the above-mentioned embodiment of the taillight installation workpiece clamping and positioning device 100, which will not be repeated here; since the above-mentioned taillight installation workpiece clamping and positioning device 100 is used in the welding tooling system provided by the present invention, the embodiment of the welding tooling system provided by the present invention includes all technical solutions of all embodiments of the above-mentioned taillight installation workpiece clamping and positioning device 100, and the technical effects achieved are also exactly the same, which will not be repeated here.

[0064] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A taillight installation workpiece pressing and positioning device, used for pressing and positioning a taillight installation workpiece, wherein the taillight installation workpiece is provided with a plurality of positioning holes, It is characterized in that The taillight installation workpiece pressing and positioning device comprises: A mounting base, used for mounting on a processing table; At least three positioning pins are not collinear and are arranged in parallel along the front-rear direction, and the at least three positioning pins are arranged on the mounting seat and can move along the front-rear direction to fit into the corresponding three positioning holes; and A plurality of rotating arms are arranged at intervals along the left-right direction, and the plurality of rotating arms are hingedly arranged on the mounting seat along the left-right axis. During the rotation stroke of the plurality of rotating arms, the plurality of rotating arms can cooperate with the mounting seat to press the taillight mounting workpiece; The mounting seat includes a mounting base and a plurality of supporting seats, the mounting base is used to be mounted on the processing table, the plurality of supporting seats are detachably arranged on the mounting base, and each of the rotating arms is hingedly arranged on the corresponding supporting seat along a left-right axis; The mounting base includes a first base, the first base includes a fixed base and a movable base, the fixed base is used to be mounted on the processing table, and the movable base is movably arranged on the fixed base along the front-rear direction; The taillight installation workpiece pressing and positioning device further comprises a first driving cylinder, a cylinder seat of the first driving cylinder is arranged on the fixed seat, and a cylinder rod of the first driving cylinder extends in the front-rear direction and is connected to the movable seat; Wherein, at least two of the positioning pins are connected to the movable seat via a transfer block; and / or, one of the plurality of support seats is connected to the movable seat; The mounting base includes a second base; The taillight installation workpiece clamping and positioning device also includes a second driving cylinder, a cylinder seat of the second driving cylinder is arranged on the second base, and a cylinder rod of the second driving cylinder is extended in the front-to-back direction, wherein at least one of the positioning pins is connected to the cylinder rod of the second driving cylinder through an adapter block; and / or, one of the multiple support seats is connected to the second base.

2. The taillight installation workpiece pressing and positioning device according to claim 1, It is characterized in that A plurality of support blocks are formed on each of the support seats, and a plurality of clamping blocks are provided on the rotating arm corresponding to the plurality of support blocks. During the rotation stroke of the rotating arm, the plurality of clamping blocks can cooperate with the corresponding support blocks to clamp the taillight installation workpiece.

3. The taillight installation workpiece pressing and positioning device as claimed in claim 1, It is characterized in that The rotating arm is formed with an articulated driving portion; The taillight installation workpiece clamping and positioning device also includes multiple clamping cylinders, and the cylinder seats of the multiple clamping cylinders are hinged to the corresponding support seats along the left-right axis, and the cylinder rods of the multiple clamping cylinders are hinged to the corresponding articulated drive parts along the left-right axis.

4. The taillight installation workpiece pressing and positioning device as claimed in claim 1, It is characterized in that The taillight installation workpiece clamping and positioning device also includes two displacement sensors, which are arranged on the fixed seat and are respectively located in front and rear positions of the movable seat. The two displacement sensors are used to respectively detect the in-place status of the movable seat along the front and rear directions.

5. The taillight installation workpiece pressing and positioning device as claimed in claim 1, It is characterized in that A limiting block and a matching block that abut against each other are also provided between the fixed seat and the movable seat, wherein the limiting block is provided on the fixed seat, and the matching block is provided on the movable seat; When the movable seat moves forward to a position, the matching block abuts against the limiting block.

6. The taillight installation workpiece pressing and positioning device according to claim 1, It is characterized in that The taillight installation workpiece clamping and positioning device further comprises a plurality of auxiliary clamping blocks, wherein the plurality of auxiliary clamping blocks are respectively connected to the mounting seat and the plurality of rotating arms through adapter blocks, and the plurality of auxiliary clamping blocks are respectively used to abut against the front side surface or the rear side surface of the taillight installation workpiece, wherein some of the auxiliary clamping blocks are used to extend to the welding edge position of the taillight installation workpiece; and / or, At least one of the locating pins is disposed near a welding edge of the taillight mounting workpiece.

7. A welding tooling system, It is characterized in that It comprises a taillight installation workpiece clamping and positioning device as described in any one of claims 1 to 6.

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