CN218341386U - A welding positioning tool for auto parts - Google Patents

Abstract

The utility model provides a welding positioning tool for auto parts, which includes a mounting platform, a first support, a first pressing assembly, a second support and a second pressing assembly; wherein, the first support is fixedly arranged on On the installation platform, it is used to support the lower body; the first pressing component is fixedly arranged on the installation platform, and is used to compress the lower body at the first end in the length direction of the component; the second support member is fixed Set on the installation platform, it is used to support the upper body at the first end of the length direction of the parts; the second pressing component is fixedly arranged on the installation platform, and is used to compress the upper body; it also includes the supporting pressure The tightening assembly is used for supporting the upper sheet body on the second end of the length direction of the component and simultaneously pressing the lower sheet body. The welding positioning tool disclosed by the utility model can realize precise positioning of the relative positions of the upper body and the lower body after assembly, so that the welding positions of the upper body and the lower body meet the design requirements.

Description

A welding positioning tool for auto parts

technical field

The utility model relates to the field of welding technology, in particular to a welding positioning tool for auto parts.

Background technique

Welding is a very critical process in the production and manufacturing process of automobiles. Many parts on automobiles are welded by at least two stamping parts. These stamping parts need to be assembled and positioned by welding positioning tools before welding. For example, the parts on the sub-frame of an automobile are mostly hollow bodies formed by stamping and welded together by the upper body and the lower body.

When assembling and positioning the sub-frame components, it is necessary to press the upper and lower bodies separately up and down to ensure that the upper and lower bodies have accurate relative positions after assembly, thereby ensuring the upper and lower bodies Body welding position meets the design requirements. The existing welding positioning tool usually adopts supporting mechanisms on the bottom surface of the lower body and the top surface of the upper body to support the upper body and the lower body respectively, and then on the top surface of the upper body and the bottom surface of the lower body. Pressing mechanisms are respectively arranged to realize the relative position fixing of the upper sheet body and the lower sheet body.

However, auto parts are subject to structural requirements, and are usually not quite satisfactory. For example, some hollow bodies composed of upper and lower bodies have insufficient space at the opening, so it is impossible to realize the support mechanism and the pressing mechanism in the vertical direction. Enter between the upper body and the lower body.

In order to realize that the welding position between the upper body and the lower body meets the design requirements after assembly, the distance between the upper body and the lower body needs to be a fixed value. In the prior art, a translation mechanism is usually used to drive the positioning block to insert horizontally. between the upper sheet and the lower sheet, and match the thickness of the positioning block with the distance between the upper sheet and the lower sheet, thus, when the pressing mechanism presses the top surface of the upper sheet, the positioning block The upper sheet is supported to ensure the positioning of the upper sheet. At the same time, the positioning block presses down on the lower sheet, and then the support mechanism supports the bottom of the lower sheet, so that the upper sheet and the lower sheet can maintain a precise relative position.

However, there are certain technical defects in the above-mentioned embodiment. Since the lower body is firstly installed on the supporting mechanism, and then the positioning block is driven by the translation mechanism to be horizontally inserted into the lower body, since the lower body belongs to a stamping part, its surface shape is not uniform. Irregularity, when the positioning block moves horizontally against the top surface of the lower body, the positioning will be hindered by the lower body and cannot be inserted into the lower body smoothly. If you need to insert smoothly, you need the positioning block and the top of the lower body There is a gap between the surfaces, so that although the positioning block can be inserted into the lower body, after the subsequent upper body is installed on the lower body, the inner bottom surface of the upper body can be in contact with the top surface of the positioning block. The pressing mechanism can realize the upper and lower compression of the upper body, but because there is a gap between the positioning block and the lower body, and the positioning block can only move horizontally, and cannot move up and down, thus, the positioning block cannot press the lower body. As a result, after the assembly of the upper body and the lower body, the precise relative position of the upper body and the lower body cannot be guaranteed, and the welding position of the upper body and the lower body does not meet the design requirements, and the welded parts not to standard.

Utility model content

In view of this, the utility model proposes a welding positioning tool for auto parts to solve the problem that the existing welding positioning tool cannot ensure that the upper body and the lower body have an accurate relative position when the parts are assembled and clamped. position, resulting in the problem that the welding position of the upper body and the lower body does not meet the design requirements.

The technical solution of the utility model is achieved in the following way: the utility model provides a welding positioning tool for auto parts, which includes a mounting platform, a first support, a first pressing assembly, a second support and a second pressing components;

Wherein, the first supporting member is fixedly arranged on the installation platform, and is used to support the lower body;

The first pressing component is fixedly arranged on the installation platform, and is used to press the first end of the part in the length direction to the lower body;

The second support member is fixedly arranged on the installation platform, and is used to support the upper body at the first end in the length direction of the component;

The second pressing component is fixedly arranged on the installation platform and is used for pressing the upper sheet;

It also includes a supporting and pressing assembly, which is used to support the upper sheet on the second end in the length direction of the component and simultaneously press the lower sheet.

On the basis of the above technical solution, preferably, the supporting and pressing assembly includes a first fixed seat, a translation cylinder, a mounting frame, movable parts and a positioning device;

Wherein, the first fixing base is vertically fixed on the end of the installation platform that is far away from the first pressing assembly in the length direction;

The fixed end of the translation cylinder is fixedly arranged on the first fixed seat, and the telescopic end of the translation cylinder extends horizontally toward the direction of the first pressing assembly;

The installation frame is fixedly connected with the telescopic end of the translation cylinder, and the side of the installation frame away from the translation cylinder is horizontally provided with an installation port;

The movable part is arranged in the installation opening and can move up and down relative to the installation frame along the installation opening;

The positioning device is fixedly connected to the side of the movable part away from the installation frame, and the thickness of the positioning device is adapted to the assembly distance between the upper sheet and the lower sheet.

Further, preferably, a slide rail is vertically provided in the installation opening, the side of the movable part away from the positioning device is slidably connected to the slide rail through a slide block, and an elastic member is provided between the movable part and the bottom of the installation opening.

Furthermore, preferably, the bottom surface of the movable element and the bottom surface of the installation opening are respectively provided with installation holes for installing elastic elements.

On the basis of the above technical solution, preferably, the positioning device includes a fixed block, a first positioning block and a second positioning block, the fixed block is fixedly installed on the side of the movable part away from the installation frame, and the first positioning block is horizontal The second positioning block is detachably mounted on the bottom surface of the fixed block and is used for contacting the bottom surface of the lower body.

On the basis of the above technical solution, preferably, the first pressing assembly includes a second fixing base, a pressing cylinder, a first pressing arm and a hinge, and the second fixing base is fixedly installed in the longitudinal direction of the component. On the installation platform corresponding to the first end, one end of the hinge is hinged to the first pressing arm, the other end of the hinge is hinged to the second fixing seat, and the fixed end of the pressing cylinder is fixedly installed on the bottom surface of the second fixing seat. The telescoping end of the compression cylinder is vertically upwardly hinged with one end of the first compression arm, and the end of the first compression arm away from the compression cylinder is used to compress the inner bottom surface of the first end of the lower sheet.

On the basis of the above technical solution, preferably, the second pressing assembly is located at one end of the installation platform close to the supporting pressing assembly, the second pressing assembly includes a turning cylinder and a second pressing arm, and the turning cylinder Vertically fixed on the installation platform, one end of the second pressing arm is rotatably connected to the turning cylinder, and the other end of the second pressing arm is provided with pressing pieces for respectively pressing both ends of the upper sheet body in the length direction.

On the basis of the above technical solution, preferably, a third fixing seat is fixedly arranged on the installation platform between the first pressing assembly and the second pressing assembly, and the first supporting member is fixed along the third fixing seat. There are multiple intervals arranged horizontally on the top surface.

Further, preferably, the bottom of the first support member is also provided with a positioning pin assembly, the positioning pin assembly includes a jacking cylinder, a connecting plate and a positioning rod, and the fixed end of the jacking cylinder is fixed on the third fixed seat At the bottom, the telescopic end of the jacking cylinder is fixedly connected with the connecting plate vertically upwards, and there is at least one positioning rod, which is vertically fixed on the top of the connecting plate, and the positioning rod passes through the positioning hole on the lower body, and connects with the upper The top surfaces in the sheet are opposed to each other, and the top of the positioning rod is provided with a positioning post for cooperating with the positioning hole on the upper sheet body. The diameter of the positioning post is smaller than that of the positioning rod.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The welding and positioning tool for auto parts disclosed in the utility model supports the lower body by setting the first support member, and by setting the first pressing assembly and the second support member at one end of the length direction of the parts, respectively, it can realize Compress one end of the lower body and support one end of the upper body. By setting a support and compression assembly at the other end of the length direction of the part, the upper body on the second end of the length direction of the part can be supported while supporting the The lower body is compressed, and then the second pressing component is used to compress the upper body, so that the relative position of the upper body and the lower body can be accurately positioned after assembly, so that the welding positions of the upper body and the lower body are in line with each other. Design requirements;

(2) By installing an elastic piece between the movable piece and the installation port, in the initial state, subject to the action of the elastic piece, the positioning device can move upward relative to the installation frame, and the lower piece is positioned and clamped on the first support piece Finally, there is a certain gap between the bottom surface of the positioning device and the bottom surface of the lower body, which is convenient for the translation cylinder to push the positioning device into the lower body. When the upper body is assembled on the lower body, under the action of the second pressing component , the positioning device compresses the elastic part and moves downward, so that the positioning device contacts the top surface of the lower body, and at the same time the thickness of the positioning device is adapted to the assembly distance between the upper body and the lower body, which can realize the synchronous alignment of the positioning device When the lower body is pressed, it can support the upper body to ensure that the upper body and the lower body have a precise relative position;

(3) Through the setting of the positioning pin assembly, the horizontal positioning of the upper body and the lower body can be realized, so that the relative displacement of the upper body and the lower body in the horizontal direction does not occur, and at the same time, the middle part of the upper body can be supported to avoid 2. The pressing force of the pressing assembly on the upper body is overloaded, resulting in deformation of the upper body.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a first perspective assembly schematic diagram of the upper sheet body and the lower sheet body disclosed by the utility model;

Fig. 2 is a schematic diagram of the assembly of the upper sheet and the lower sheet disclosed by the utility model at a second viewing angle;

Fig. 3 is a three-dimensional structural schematic diagram of the assembly of welding positioning tooling and parts disclosed by the utility model;

Fig. 4 is a three-dimensional structural schematic diagram of the welding positioning tool disclosed by the utility model;

Fig. 5 is a schematic diagram of the assembly plane structure of the welding positioning tool and parts disclosed by the utility model;

Fig. 6 is a schematic diagram of the three-dimensional structure of the supporting and pressing assembly disclosed by the utility model;

Fig. 7 is a schematic diagram of the assembly structure of the positioning pin assembly and parts disclosed in the utility model;

Reference signs:

100. Upper sheet body; 200 Lower sheet body; 1. Installation platform; 2. First support member; 3. First pressing assembly; 4. Second support member; 6. Second pressing assembly; 5. Support pressure Tight assembly; 51, first fixed seat; 52, translation cylinder; 53, installation frame; 54, movable part; 55, positioning device; 531, installation port; 532, slide rail; 533, slider; 56, elastic part; 551, fixed block; 552, first positioning block; 553, second positioning block; 31, second fixed seat; 32, compression cylinder; 33, first compression arm; 34, hinge; 61, overturning cylinder; 62. The second pressing arm; 63. The pressing piece; 7. The third fixing seat; 8. The positioning pin assembly; 81. The jacking cylinder; 82. The connecting plate; 83. The positioning rod; 831. The positioning column.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, combined with Figures 2 and 3, the utility model provides a welding positioning tool for auto parts, which is aimed at assembling, positioning and clamping the upper body 100 and the lower body 200 formed by stamping to realize the upper The welding between the sheet body 100 and the lower sheet body 200 is an auto part with a cavity structure.

Specifically, in order to realize the positioning and clamping of the upper sheet body 100 and the lower sheet body 200, the welding positioning tool of this embodiment includes an installation platform 1, a first support member 2, a first pressing assembly 3, a second support member 4 and The second pressing component 6.

Wherein, the installation platform 1 is horizontally and fixedly installed on the welding equipment, so as to facilitate the welding operation of the welding robot on the welding equipment.

The first support member 2 is fixedly arranged on the installation platform 1, and is used to support the lower sheet body 200. Specifically, the upper sheet body 100 and the lower sheet body 200 in this embodiment are placed horizontally on the installation platform 1, which is convenient Clamping and positioning is also convenient for subsequent welding. Specifically, the opening of the lower body 200 faces upward, the opening of the upper body 100 faces downward, and the opening end of the upper body 100 is inserted into the opening end of the lower body 200. In this embodiment, the first supporting member 2 is arranged in the middle of the installation platform 1 along the length direction of the installation platform 1 to support the outer bottom surface of the lower body 200 in the length direction.

In order to realize the clamping of the lower body 200 after positioning and to achieve a fixed position, a first pressing assembly 3 is provided on the installation platform 1 in this embodiment to compress the lower body 200 at the first end in the length direction of the component.

Since the upper body 100 is inserted into the lower body 200, in order to ensure that the positions of the upper body 100 and the lower body 200 are determined after assembly, and to achieve accurate final welding positions, after the upper body 100 is assembled on the lower body 200, The upper sheet body 100 needs to be supported. In this embodiment, the second support member 4 is fixedly arranged on the installation platform 1 next to the first pressing assembly 3, which is used to support the upper sheet body 100 on the first end of the component length direction. support

The above positioning and clamping structure only completes the support and clamping of one end of the upper body 100 and the lower body 200, but the other end of the upper body 100 and the lower body 200 is not supported and clamped, so it cannot be guaranteed that the upper body 100 and the lower body 200 are clamped. The lower sheet body 200 is effectively clamped and positioned.

Although in the prior art, the structure of the second support 4 and the first pressing assembly 3 can also be used to realize the support and clamping of the second end of the component, but due to the structural reasons of the component, the second support 4 and the first The pressing assembly 3 cannot enter between the upper sheet body 100 and the lower sheet body 200 in the vertical direction.

For this reason, in this embodiment, a supporting and pressing assembly 5 is provided on the installation platform 1 where the second end of the component is located, which is used to support the upper plate 100 on the second end of the length direction of the component while supporting the lower plate. 200 to implement compression, and then cooperate with the compression of the upper body 100 by the second compression assembly 6, the relative positions of the upper body 100 and the lower body 200 can be accurately positioned after assembly, so that the upper body 100 and the lower body 200 welding positions meet the design requirements.

In the prior art, some implementations are to drive the positioning block horizontally between the upper sheet body 100 and the lower sheet body 200 by using a translation mechanism, and make the thickness of the positioning block and the gap between the upper sheet body 100 and the lower sheet body 200 The spacing is matched, so when the pressing mechanism presses the top surface of the upper body 100, the upper body 100 is supported by the positioning block to ensure the positioning of the upper body 100, and at the same time, the positioning block presses down on the lower body 200 , and then the bottom surface of the lower sheet 200 is supported by the supporting mechanism, so that the upper sheet 100 and the lower sheet 200 maintain a precise relative position.

In the above method, since the lower sheet body 200 is a stamping part, its surface shape is irregular, and when the positioning block moves horizontally against the inner top surface of the lower sheet body 200, the positioning will be hindered by the lower sheet body 200 and cannot be carried out smoothly. Inserted in the lower sheet body 200, if it needs to be inserted smoothly, it is necessary to leave a gap between the positioning block and the inner top surface of the lower sheet body 200. In this way, although the positioning block can be inserted into the lower sheet body 200, the subsequent After the sheet body 100 is installed on the lower sheet body 200, the inner bottom surface of the upper sheet body 100 can be in contact with the top surface of the positioning block, and the upper and lower sheet body 100 can be pressed up and down by the pressing mechanism, but due to the positioning block and the lower sheet body There is a gap between 200, and the positioning block can only move horizontally, but cannot move up and down. Therefore, the positioning block cannot compress the lower body 200, so that after the upper body 100 and the lower body 200 are assembled, the upper body cannot be guaranteed. The sheet body 100 and the lower sheet body 200 have precise relative positions, so that the welding positions of the upper sheet body 100 and the lower sheet body 200 do not meet the design requirements, and the welded parts are not up to standard.

For this reason, this embodiment makes some structural settings for the support and compression assembly 5 to solve the above-mentioned technical problems. Specifically, as shown in accompanying drawings 3-6, the support and compression assembly 5 of this embodiment includes a first fixing seat 51. Translating cylinder 52, mounting frame 53, movable part 54 and positioning device 55.

Wherein, the first fixing seat 51 is vertically fixed on the end of the installation platform 1 away from the first pressing assembly 3 in the length direction.

The fixed end of the translation cylinder 52 is fixedly arranged on the first fixed base 51 , and the telescopic end of the translation cylinder 52 extends horizontally toward the first compression assembly 3 .

The installation frame 53 is fixedly connected with the telescopic end of the translation cylinder 52 , and a side of the installation frame 53 away from the translation cylinder 52 is horizontally provided with an installation opening 531 . The movable part 54 is arranged in the installation opening 531, and can move up and down relative to the installation frame 53 along the installation opening 531. Specifically, a slide rail 532 is vertically arranged in the installation opening 531, and the side of the movable part 54 away from the positioning device 55 passes through The sliding block 533 is slidably connected to the sliding rail 532 , and an elastic member 56 is disposed between the movable member 54 and the bottom of the installation opening 531 . The positioning device 55 is fixedly connected to the side of the movable part 54 away from the mounting frame 53 , and the thickness of the positioning device 55 is adapted to the assembly distance between the upper body 100 and the lower body 200 .

Thus, in the initial state, subject to the action of the elastic member 56, the movable member 54 translates upward in the installation opening 531, and the movable member 54 drives the positioning device 55 to move upward relative to the installation frame 53, and the lower sheet body 200 is in the first position. After positioning and clamping on the support member 2, there is a certain gap between the bottom surface of the positioning device 55 and the inner bottom surface of the lower body 200, which is convenient for the translation cylinder 52 to push the positioning device 55 into the lower body 200. When the upper body 100 is assembled to the lower body After the sheet body 200 is mounted, under the action of the second pressing assembly 6 on the upper sheet body 100, the upper sheet body 100 presses down on the positioning device 55, and the positioning device 55 compresses the elastic member 56 through the movable part 54, and the movable part 54 moves downward to drive the positioning device 55 to move downward in the vertical direction, so that the positioning device 55 contacts the inner top surface of the lower sheet body 200. Matching the assembly distance, the positioning device 55 can support the upper body 100 when pressing the lower body 200 synchronously, so as to ensure that the upper body 100 and the lower body 200 have precise relative positions.

The above-mentioned supporting and pressing assembly 5 disclosed in this embodiment facilitates the insertion of the positioning device 55 into the lower body 200 on the one hand without being hindered by the shape of the lower body 200; Adapting to the distance between the lower sheet body 200 can ensure that the positioning device 55 can press the inner bottom surface of the lower sheet body 200 end while supporting the inner top surface of the upper sheet body 100 end, and at the same time ensure that the upper sheet body 100 and the upper sheet body 100 After the lower body 200 is positioned and clamped, its assembly position meets the welding requirements.

As some preferred embodiments, the bottom surface of the movable part 54 and the bottom surface of the installation opening 531 are respectively provided with installation holes for installing the elastic member 56 . Thus, the elastic member 56 can be stably restricted between the movable member 54 and the installation opening 531 through the installation hole, so as to prevent the elastic member 56 from falling out.

In order to realize that the positioning device 55 has both supporting and pressing functions, the positioning device 55 in this embodiment shows a preferred implementation mode. Specifically, the positioning device 55 includes a fixing block 551, a first positioning block 552 and a second positioning block 552. Two positioning blocks 553. The fixed block 551 is fixedly installed on the side of the movable part 54 away from the mounting frame 53. The first positioning block 552 is horizontally and detachably installed on the top surface of the fixed block 551 for contacting the inner top surface of the upper body 100. The second positioning block 553 is horizontally and detachably installed on the bottom surface of the fixing block 551, and is used for contacting the inner bottom surface of the lower sheet body 200. Therefore, by adjusting the thicknesses of the first positioning block 552 and the second positioning block 553 , the thickness of the entire positioning device 55 is adapted to the distance between the upper sheet 100 and the lower sheet 200 . In this embodiment, one end of the first positioning block 552 and the second positioning block 553 facing the components is inclined to have a guide edge, so as to avoid that the lower sheet body 200 and the positioning device are not connected to each other when the positioning device 55 is inserted into the lower sheet body 200. 55 touches.

In order to compress the inner bottom surface of the first end of the lower sheet body 200, the first pressing assembly 3 of this embodiment shows some implementations. Specifically, the first pressing assembly 3 includes a second fixing seat 31, a pressing Cylinder 32, first pressing arm 33 and hinge 34, described second fixed seat 31 is fixedly installed on the mounting platform 1 corresponding to the first end of component length direction, one end of hinge 34 is connected with the first pressing arm 33 Hingedly connected, the other end of the hinge 34 is hingedly connected with the second fixed seat 31, the fixed end of the compression cylinder 32 is fixedly installed on the bottom surface of the second fixed seat 31, and the telescopic end of the compression cylinder 32 is vertically upwards with the first compression One end of the arm 33 is hinged, and the end of the first pressing arm 33 away from the pressing cylinder 32 is used for pressing the inner bottom surface of the first end of the lower sheet body 200 .

Thus, in the initial state, the telescopic end of the compression cylinder 32 is shortened, and the first compression arm 33 is driven to turn over relative to the hinge 34, so that the first compression arm 33 is far away from the lower body 200, and the lower body 200 is placed horizontally After arriving on the first support member 2, the telescopic end of the compression cylinder 32 is extended, and the first compression arm 33 is driven to turn over relative to the hinge 34, so that the first compression arm 33 is turned towards the direction of the lower sheet body 200, so that the second The end of a pressing arm 33 away from the pressing cylinder 32 presses the inner bottom surface of the lower sheet body 200 , and with the cooperation of the first support member 2 , the first end of the lower sheet body 200 is pressed and positioned.

As some preferred embodiments, the second pressing assembly 6 is located at one end of the installation platform 1 close to the supporting pressing assembly 5, and the second pressing assembly 6 includes an overturning cylinder 61 and a second pressing arm 62, and the overturning cylinder 61 vertically It is directly and fixedly arranged on the installation platform 1, and one end of the second pressing arm 62 is rotatably connected with the turning cylinder 61, and the other end of the second pressing arm 62 is provided with pins for pressing the two ends of the length direction of the upper sheet body 100 respectively. Compression piece 63. The turning cylinder 61 can drive the second pressing arm 62 to turn over towards the surface of the upper sheet body 100, so that the two pressing pieces 63 on the second pressing arm 62 respectively press the two ends of the upper sheet body 100 in the longitudinal direction. .

In order to facilitate the installation of the first support member 2, in this embodiment, a third fixing base 7 is fixedly arranged on the installation platform 1 between the first pressing assembly 3 and the second pressing assembly 6, and the first supporting member 2 There are multiple horizontally arranged at intervals along the top surface of the third fixing seat 7 . In this way, the bottom surface of the lower sheet body 200 can be stably supported by the plurality of first support members 2 arranged horizontally.

In this embodiment, the upper sheet body 100 and the lower sheet body 200 are only positioned and clamped in the vertical direction, but the positioning is not implemented in the horizontal direction. After the upper sheet body 100 and the lower sheet body 200 are assembled, there is a horizontal The risk of misalignment, resulting in misalignment of subsequent welding, parts do not meet welding requirements.

For this reason, as shown in accompanying drawing 7, present embodiment is also provided with positioning pin assembly 8 at the bottom of first support member 2, and positioning pin assembly 8 comprises jacking cylinder 81, connecting plate 82 and positioning bar 83, and described jacking The fixed end of the cylinder 81 is fixedly arranged at the bottom of the third fixed seat 7, and the telescopic end of the jacking cylinder 81 is fixedly connected with the connecting plate 82 vertically upwards. At the top, the positioning rod 83 passes through the positioning hole on the lower body 200, and resists against the inner top surface of the upper body 100. The top of the positioning rod 83 is provided with a positioning column 831, which is used to cooperate with the positioning hole on the upper body 100 , the diameter of the positioning post 831 is smaller than the diameter of the positioning rod 83 .

In this way, when the lower sheet 200 is placed on the first support member 2, it passes through the positioning rod 83 through the positioning hole on the lower sheet 200, and after the lower sheet 200 is horizontally installed on the first support member 2, passes through the first The pressing assembly 3 compresses the inner bottom surface of the first end of the lower sheet body 200, at this time the positioning device 55 enters the lower sheet body 200, installs the upper sheet body 100 above the upper sheet body 100, and passes the second supporting member 4 Carry out the inner top surface support of the first end, at this time, drive the positioning rod 83 to move upward through the jacking cylinder 81, so that the positioning column 831 at the top of the positioning rod 83 passes through the positioning hole on the upper body 100, and realizes the upper body After 100 is horizontally positioned, the upper sheet body 100 is pressed by the second pressing assembly 6, and the positioning device 55 moves downward to compress the lower sheet body 200 while pressing the inner top surface of the second end of the upper sheet body 100. Support, at this time, the jacking cylinder 81 drives the positioning rod 83 to move upwards, so that the top of the positioning rod 83 is resisted against the inner top surface of the upper body 100, thereby avoiding the overload of the pressing force of the upper body 100 by the two pressing components. The upper sheet body 100 is deformed.

The setting of the above-mentioned positioning pin assembly 8 can realize the horizontal positioning of the upper body 100 and the lower body 200, and ensure that the upper body 100 and the lower body 200 do not have relative displacement in the horizontal direction, and at the same time, the middle part of the upper body 100 can be positioned. Support, to avoid the deformation of the upper body 100 caused by the overload of the pressing force of the upper body 100 by the two pressing components

The working principle of the utility model is:

When the lower sheet body 200 is placed on the first support member 2, pass the positioning rod 83 through the positioning hole on the lower sheet body 200. After the lower sheet body 200 is horizontally installed on the first support member 2, the lower sheet body 200 is horizontally The direction is positioned, and the inner bottom surface of the first end of the lower sheet body 200 is pressed by the first pressing assembly 3. At this time, the positioning device 55 enters the lower sheet body 200 under the drive of the translation cylinder 52, and the upper sheet body 100 It is installed above the upper sheet body 100, and the inner top surface of the first end is supported by the second support member 4. At this time, the positioning rod 83 is driven by the jacking cylinder 81 to move upwards, so that the positioning column 831 at the top of the positioning rod 83 passes through. The positioning hole on the upper sheet body 100 realizes the horizontal positioning of the upper sheet body 100, and then the upper sheet body 100 is compressed by the second pressing assembly 6, and the positioning device 55 moves downward to compress the lower sheet body 200. At the same time, support the inner top surface of the second end of the upper sheet body 100 to realize the fine positioning of the upper sheet body 100 and the lower sheet body 200 in the vertical direction. At this time, the jacking cylinder 81 drives the positioning rod 83 to move upward, so that the positioning rod The top of 83 resists the inner top surface of the upper body 100 to support the middle part of the upper body 100, thereby accurately positioning and clamping the upper body 100 and the lower body 200 in the horizontal and vertical directions, ensuring The upper sheet body 100 and the lower sheet body 200 have precise welding positions after assembly.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (9)

1. A welding positioning tool for auto parts, which includes an installation platform (1), a first support (2), a first compression assembly (3), a second support (4) and a second compression assembly ( 6); Wherein, the first supporting member (2) is fixedly arranged on the installation platform (1), and is used to support the lower body (200); The first pressing assembly (3) is fixedly arranged on the installation platform (1), and is used for pressing the lower sheet body (200) on the first end in the length direction of the component; The second support member (4) is fixedly arranged on the installation platform (1), and is used to support the upper body (100) at the first end in the length direction of the component; The second pressing component (6) is fixedly arranged on the installation platform (1), and is used for pressing the upper body (100); It is characterized in that it also includes a supporting and pressing assembly (5), which is used to support the upper sheet (100) on the second end in the length direction of the component and simultaneously press the lower sheet (200). 2. The welding and positioning tool for auto parts according to claim 1, characterized in that: the supporting and pressing assembly (5) includes a first fixing seat (51), a translation cylinder (52), a mounting frame (53), Movable parts (54) and positioning device (55); Wherein, the first fixing base (51) is vertically fixed on one end of the installation platform (1) in the length direction away from the first pressing assembly (3); The fixed end of the translation cylinder (52) is fixedly arranged on the first fixed seat (51), and the telescopic end of the translation cylinder (52) extends horizontally toward the first compression assembly (3); The installation frame (53) is fixedly connected with the telescopic end of the translation cylinder (52), and the side of the installation frame (53) away from the translation cylinder (52) is horizontally provided with an installation port (531); The movable part (54) is arranged in the installation opening (531), and can move up and down relative to the installation frame (53) along the installation opening (531); The positioning device (55) is fixedly connected to the side of the movable part (54) away from the mounting frame (53), and the thickness of the positioning device (55) is the same as the assembly distance between the upper sheet body (100) and the lower sheet body (200). adaptation. 3. The welding positioning tool for auto parts according to claim 2, characterized in that: a slide rail (532) is vertically arranged in the installation port (531), and the movable part (54) is far away from the position of the positioning device (55). One side is slidably connected to the slide rail (532) through the slide block (533), and an elastic piece (56) is arranged between the movable piece (54) and the bottom of the installation opening (531). 4. The welding positioning tool for auto parts according to claim 3, characterized in that: the bottom surface of the movable part (54) and the bottom surface of the installation opening (531) are respectively provided with installation holes for installing the elastic member (56). 5. The auto parts welding positioning tool according to claim 2, characterized in that: the positioning device (55) comprises a fixed block (551), a first positioning block (552) and a second positioning block (553), The fixed block (551) is fixedly installed on the side of the movable part (54) away from the installation frame (53), and the first positioning block (552) is horizontally and detachably installed on the top surface of the fixed block (551) for aligning the upper plate. The inner top surface of the body (100) is contacted, and the second positioning block (553) is horizontally and detachably mounted on the bottom surface of the fixed block (551) for contacting the inner bottom surface of the lower body (200). 6. The welding positioning tool for auto parts according to claim 1, characterized in that: the first pressing assembly (3) includes a second fixing seat (31), a pressing cylinder (32), a first pressing arm (33) and hinge (34), the second fixed seat (31) is fixedly installed on the installation platform (1) corresponding to the first end of the component length direction, and one end of the hinge (34) is connected with the first press The tight arm (33) is hinged, and the other end of the hinge (34) is hinged with the second holder (31), and the fixed end of the compression cylinder (32) is fixedly installed on the bottom surface of the second holder (31). The telescoping end of cylinder (32) is hingedly connected with an end of first compression arm (33) vertically upwards, and the end of first compression arm (33) is away from compression cylinder (32) and is used for lower sheet body (200) The inner bottom surface of the first end is compressed. 7. The welding positioning tool for auto parts according to claim 1, characterized in that: the second pressing assembly (6) is located at one end of the installation platform (1) close to the supporting pressing assembly (5), and the first The two pressing components (6) include a turning cylinder (61) and a second pressing arm (62), and the turning cylinder (61) is vertically fixedly arranged on the installation platform (1), and the second pressing arm (62) One end of one end is rotationally connected with the overturning cylinder (61), and the other end of the second pressing arm (62) is provided with pressing pieces (63) for pressing both ends of the length direction of the upper sheet (100) respectively. 8. The welding positioning tool for auto parts according to claim 1, characterized in that: the installation platform (1) between the first pressing assembly (3) and the second pressing assembly (6) is also fixed A third fixing seat (7) is provided, and multiple first support members (2) are arranged horizontally at intervals along the top surface of the third fixing seat (7). 9. The welding positioning tool for auto parts according to claim 8, characterized in that: the bottom of the first support (2) is also provided with a positioning pin assembly (8), and the positioning pin assembly (8) includes a top Lifting cylinder (81), connecting plate (82) and positioning rod (83), the fixed end of described jacking cylinder (81) is fixedly arranged on the bottom end of the third fixed seat (7), and the telescoping of jacking cylinder (81) The end is fixedly connected with the connecting plate (82) vertically upwards, and there is at least one positioning rod (83), which is vertically fixed on the top of the connecting plate (82), and the positioning rod (83) passes through the lower body (200). The positioning hole of the upper body (100) is opposed to the inner top surface, and the top of the positioning rod (83) is provided with a positioning column (831), which is used to cooperate with the positioning hole on the upper body (100), and the positioning column ( 831) diameter is less than the diameter of backstop (83).

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