Welding fixture

Abstract

The utility model discloses a welding fixture, which comprises a base, a welding fixture body, a welding fixture body and a welding fixture body, and the base is provided with a bearing surface for bearing a side plate; the frame positioning mechanism is arranged on the base, the frame positioning mechanism comprises a positioning block assembly and a first pressing mechanism, the positioning block assembly is used for positioning the transverse position of a frame, and the first pressing mechanism is used for pressing the frame on the bearing face; and the transverse strip positioning mechanism is arranged on the base, the transverse strip positioning mechanism comprises a second pressing mechanism, and the second pressing mechanism is used for positioning a transverse strip and pressing the transverse strip on the bearing face. All parts of a side plate to be welded are placed on the bearing face, the transverse position of the frame is positioned through the positioning block assembly, then the plate and the transverse strip abut against the frame to fix the position, then the frame is pressed through the first pressing mechanism, the transverse strip is pressed through the second pressing mechanism, and therefore the side plate can be fixed to the welding clamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, especially relates to a welding fixture. BACKGROUND

[0002] The side plate is welded by the frame, the plate and the cross strip, the frame is located at the outside, the cross strip is arranged between two opposite frame strips in the frame, the plate is arranged inside the cross strip and the frame, and the frame, the plate and the cross strip are fixed together to form the side plate by welding. Figure 1 The number of the plate and the cross strip in some side plates is two, and the number of the plate and the cross strip in other side plates is one. UTILITY MODEL CONTENT

[0003] The utility model discloses a welding fixture which is used for positioning the side plate to facilitate welding.

[0004] To achieve the above-mentioned purpose, the utility model provides a welding fixture, which comprises:

[0005] A base is provided with a supporting surface for supporting the side plate;

[0006] A frame positioning mechanism is arranged on the base, and the frame positioning mechanism comprises a positioning block assembly and a first pressing mechanism.

[0007] A cross strip positioning mechanism is arranged on the base, and the cross strip positioning mechanism comprises a second pressing mechanism.

[0008] The parts of the side plate to be welded are placed on the supporting surface, the transverse position of the frame is positioned by the positioning block assembly, then the plate and the cross strip are abutted to the frame, the frame is pressed by the first pressing mechanism, and the cross strip is pressed by the second pressing mechanism, so that the side plate can be fixed on the welding fixture.

[0009] Preferably, the welding fixture comprises a first positioning assembly and a second positioning assembly, the second positioning assembly is arranged at the right side of the first positioning assembly; the first positioning assembly comprises two first positioning seats arranged on the base, the two first positioning seats are arranged at the front and back sides of the base, the second positioning assembly comprises two second positioning seats arranged on the base, the two second positioning seats are arranged at the front and back sides of the base, the supporting surfaces of the first positioning seats and the second positioning seats are arranged on the upper sides of the first positioning seats and the second positioning seats, the supporting surfaces of the first positioning seats are used for supporting the left corner part of the frame and the plate, the supporting surfaces of the second positioning seats are used for supporting the frame strip, the horizontal strip and the plate; the positioning block assembly comprises a corner positioning assembly and a frame strip positioning assembly, the corner positioning assembly is arranged on the two first positioning seats and used for positioning the horizontal position of the left corner part of the frame, the frame strip positioning assembly is arranged on the two second positioning seats and used for positioning the front side or the back side of the frame strip; the first pressing mechanism is arranged on the first positioning seats and the second positioning seats, the first pressing mechanism arranged on the first positioning seats is used for pressing the left corner part of the frame, the first pressing mechanism arranged on the second positioning seats is used for pressing the frame strip, and the horizontal strip positioning mechanism is arranged on the two second positioning seats.

[0010] The first positioning seats and the second positioning seats support the side plate at multiple positions, the supporting surfaces of the two first positioning seats of the first positioning assembly can support the left corner part of the frame and the plate close to the corner part of the frame, and the supporting surfaces of the two second positioning seats of the second positioning assembly can support the frame strip of the frame, the front and back ends of the horizontal strip and the plate close to the horizontal strip. The corner positioning assembly arranged on the first positioning seats can position the left corner part of the frame, and the first pressing mechanism arranged on the first positioning seats can press the left corner part of the frame; the frame strip positioning assembly arranged on the second positioning seats can position the frame strip, and the horizontal strip positioning mechanism arranged on the second positioning seats can press the horizontal strip. The first positioning assembly and the second positioning assembly support and position the side plate at different positions on the left and right sides, and the positioning effect is good.

[0011] Preferably, the first positioning seat is provided with a first pressing slide capable of moving along the front-rear direction relative to the first positioning seat, and a first pressing driving mechanism in transmission connection with the first pressing slide and capable of driving the first pressing slide to move forward and backward, and the first pressing mechanism on the first positioning seat is arranged on the first pressing slide; the second positioning seat is provided with a second pressing slide capable of moving along the front-rear direction relative to the second positioning seat, and a second pressing driving mechanism in transmission connection with the second pressing slide and capable of driving the second pressing slide to move forward and backward, and the first pressing mechanism and the second pressing mechanism on the second positioning seat are arranged on the second pressing slide.

[0012] After the side plate is placed, the first pressing driving mechanism drives the first pressing slide to move close to the frame, the first pressing mechanism on the first pressing slide can press the left corner part of the frame, the second pressing driving mechanism drives the second pressing slide to move close to the frame strip and the horizontal strip, and the first pressing mechanism and the second pressing mechanism on the second pressing slide press the frame strip and the horizontal strip respectively; when the side plate needs to be taken out after welding, the first pressing driving mechanism drives the first pressing slide to move away from the frame, and the second pressing driving mechanism drives the second pressing slide to move away from the frame strip and the horizontal strip, so that the side plate is conveniently placed and taken out.

[0013] Preferably, the welding clamp further comprises two push rods extending along the left-right direction, and the two push rods are arranged in front-rear direction; the first pressing slide on the front side and the second pressing slide on the front side are fixedly connected with the push rod on the front side, and the first pressing slide on the rear side and the second pressing slide on the rear side are fixedly connected with the push rod on the rear side; the first pressing driving mechanism on the front side and the second pressing driving mechanism on the front side comprise the push rod on the front side, and the first pressing driving mechanism on the rear side and the second pressing driving mechanism on the rear side comprise the push rod on the rear side; a first elastic element is connected between the first positioning seat and the corresponding first pressing slide, the first elastic element can exert a spring force towards the inner side on the first pressing slide, and a second elastic element is connected between the second positioning seat and the corresponding second pressing slide, the second elastic element can exert a spring force towards the inner side on the second pressing slide.

[0014] The first and second front pressing slides are connected by a front lever, and the first and second rear pressing slides are connected by a rear lever. The lever is pushed by an external mechanism, which simultaneously drives the first and second front pressing slides away from the side plate and the first and second rear pressing slides away from the side plate. When the external mechanism is removed from the lever, the first and second elastic elements rebound, and the first and second pressing slides approach the side plate and remain pressed, thereby simplifying the structure of the welding fixture.

[0015] Preferably, the first pressing mechanism comprises a first pressing block and a first spring bead, the first pressing block is fixedly connected with the corresponding first or second pressing slide, and the first spring bead is vertically arranged on the first pressing block and can be lifted by the frame and then pressed downward.

[0016] Preferably, the second pressing mechanism comprises a second pressing block, a second pressing wheel and a second spring, the second pressing block is slidably connected with the second pressing slide in the up-down direction, the second spring is connected between the second pressing block and the second pressing slide and can apply a downward force to the second pressing block, and the second pressing wheel is rotatably connected with the second pressing block, and the outer periphery of the second pressing wheel is provided with a limiting pressing groove matched with the horizontal strip.

[0017] When the second pressing slide moves close to the horizontal strip, the second pressing wheel first touches the frame strip, and the frame strip lifts the second pressing wheel and the second pressing block upward. Then the second pressing wheel continues to move to the upper side of the horizontal strip, the second spring presses the second pressing block and the second pressing wheel downward, the second pressing wheel presses the horizontal strip, and the horizontal strip enters the limiting pressing groove, which can further position the position of the horizontal strip.

[0018] Preferably, the welding fixture further comprises a first left-right adjusting seat and a second left-right adjusting seat, both of which are slidably connected with the base in the left-right direction; a first left-right position adjusting mechanism is connected between the first left-right adjusting seat and the base, which can adjust the left-right position of the first left-right adjusting seat on the base, and two first positioning seats are arranged on the first left-right adjusting seat; a second left-right position adjusting mechanism is connected between the second left-right adjusting seat and the base, which can adjust the left-right position of the second left-right adjusting seat on the base, and two second positioning seats are arranged on the second left-right adjusting seat. In this way, the side plate with different left-right lengths can be adjusted and adapted, or the side plate with different horizontal strip left-right positions can be adjusted and adapted, thereby improving the versatility of the welding fixture.

[0019] Preferably, the first positioning seat is slidably connected with the first left-right adjusting seat in the front-rear direction, a first front-rear position adjusting mechanism is connected between the first positioning seat and the first left-right adjusting seat, and the first front-rear position adjusting mechanism can adjust the front-rear position of the first positioning seat on the first left-right adjusting seat; the second positioning seat is slidably connected with the second left-right adjusting seat in the front-rear direction, a second front-rear position adjusting mechanism is connected between the second positioning seat and the second left-right adjusting seat, and the second front-rear position adjusting mechanism can adjust the front-rear position of the second positioning seat on the second left-right adjusting seat. In this way, the side plate of different front-rear widths can be adjusted and adapted, and the versatility of the welding fixture is improved.

[0020] Preferably, the number of the second positioning assemblies is two, and the two second positioning assemblies are arranged in a left-right interval.

[0021] Preferably, a magnet is fixed on the bearing surface, and the magnet is used for adsorbing the plate member. When the plate member made of iron is placed on the bearing surface, the magnet can adsorb the plate member, and the stability of positioning is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without any creative effort.

[0023] Figure 1 (a) in the figure is a schematic view of the overall structure of the side plate, Figure 1 (b) in the figure is a schematic view of the exploded structure of the side plate;

[0024] Figure 2 is a schematic view of the structure of the welding fixture of the present application;

[0025] Figure 3 is Figure 2 is a local enlarged view of A in the figure;

[0026] Figure 4 is a schematic view of the local structure of the second positioning seat, the first pressing mechanism and the second pressing mechanism of the present application;

[0027] Figure 5 is a schematic view of the local structure of the lower side of the second positioning seat and the second pressing sliding seat of the present application;

[0028] Figure 6 is a schematic view of the structure of the connection between the frame strip and the first pressing sliding seat and the second pressing sliding seat of the present application;

[0029] Figure 7 It is the structure schematic view of the welding fixture clamping side plate of the utility model;

[0030] Figure 8 It is Figure 7 The partial enlarged view of B in the middle;

[0031] Figure 9 It is Figure 7 The partial enlarged view of C in the middle.

[0032] In the drawing: 1-base, 2-support surface, 21-magnet, 3-first pressing mechanism, 31-first pressing block, 32-first spring top bead, 4-second pressing mechanism, 41-second pressing block, 42-second pressing wheel, 421-limiting pressing groove, 43-second spring, 5-first positioning assembly, 51-first positioning seat, 52-first pressing slide, 54-first left-right adjusting seat, 55-first left-right position adjusting mechanism, 56-first front-rear position adjusting mechanism, 6-second positioning assembly, 61-second positioning seat, 62-second pressing slide, 63-second elastic element, 64-second left-right adjusting seat, 65-second left-right position adjusting mechanism, 66-second front-rear position adjusting mechanism, 71-corner positioning assembly, 72-frame strip positioning assembly, 8-pushing rod, 9-side plate, 91-frame, 911-frame strip, 912-corner part, 92-plate, 93-cross strip.

[0033] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the embodiment. DETAILED DESCRIPTION

[0034] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.

[0035] It should be noted that if the embodiment of the utility model involves directional indication, such as up, down, left, right, front, back, etc., the directional indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indication also changes accordingly.

[0036] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the person skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0037] As shown in Figures 2 to 9 A welding fixture, comprising a base 1, a frame positioning mechanism and a crossbar positioning mechanism.

[0038] The base 1 is provided with a supporting surface 2 for supporting the side plate 9.

[0039] The frame positioning mechanism is arranged on the base 1, and the frame positioning mechanism comprises a positioning block assembly and a first pressing mechanism 3, the positioning block assembly is used for positioning the lateral position of the frame 91, and the first pressing mechanism 3 is used for pressing the frame 91 on the supporting surface 2. The frame 91 can be pre-welded by a plurality of frame strips 911, or a long pipe is used by cutting and folding, and welding is required at the folded corner position.

[0040] The crossbar positioning mechanism is arranged on the base 1, and the crossbar positioning mechanism comprises a second pressing mechanism 4, the second pressing mechanism 4 is used for positioning the crossbar 93 and pressing the crossbar 93 on the supporting surface 2.

[0041] The parts of the side plate 9 to be welded are placed on the supporting surface 2, the lateral position of the frame 91 is positioned through the positioning block assembly first, then the plate 92 and the crossbar 93 are abutted to the frame 91 and positioned, the frame 91, the plate 92 and the crossbar 93 can be positioned mutually, then the frame 91 is pressed through the first pressing mechanism 3, and the crossbar 93 is pressed through the second pressing mechanism 4, so that the side plate 9 can be fixed on the welding fixture.

[0042] In some embodiments, the welding fixture comprises a first positioning assembly 5 and a second positioning assembly 6, the second positioning assembly 6 is arranged on the right side of the first positioning assembly 5. The first positioning assembly 5 comprises two first positioning seats 51, the first positioning seats 51 are arranged on the base 1, and the two first positioning seats 51 are arranged in front of and behind each other. The second positioning assembly 6 comprises two second positioning seats 61, the second positioning seats 61 are arranged on the base 1, and the two second positioning seats 61 are arranged in front of and behind each other. The supporting surface 2 is arranged on the upper side of the first positioning seat 51 and the second positioning seat 61, the supporting surface 2 on the first positioning seat 51 is used to support the left corner part 912 of the frame 91 and the plate 92, and the supporting surface 2 on the second positioning seat 61 is used to support the frame strip 911, the horizontal strip 93 and the plate 92. The corner part 912 should be understood as including the corner and a length close to the corner, the purpose is to fix the position near the corner.

[0043] With reference to Figure 3 and Figure 4 , the positioning block assembly comprises a corner positioning assembly 71 and a frame strip positioning assembly 72, the two first positioning seats 51 are each provided with a corner positioning assembly 71, the corner positioning assembly 71 is used to position the horizontal position of the left corner part 912 of the frame 91, and the two second positioning seats 61 are each provided with a frame strip positioning assembly 72, the frame strip positioning assembly 72 is used to position the front side or the rear side of the frame strip 911. The first positioning seat 51 and the second positioning seat 61 are each provided with a first pressing mechanism 3, the first pressing mechanism 3 on the first positioning seat 51 is used to press the left corner part 912 of the frame 91, and the first pressing mechanism 3 on the second positioning seat 61 is used to press the frame strip 911, and the two second positioning seats 61 are each provided with a horizontal strip positioning mechanism.

[0044] The first positioning seat 51 and the second positioning seat 61 support the side plate 9 at multiple positions. The support surface 2 on the two first positioning seats 51 of the first positioning assembly 5 can support the left corner part 912 of the frame 91 and the plate part 92 close to the corner part 912 of the frame 91. The support surface 2 on the two second positioning seats 61 of the second positioning assembly 6 can support the frame strip 911 of the frame 91, the front and back ends of the horizontal strip 93, and the plate part 92 close to the horizontal strip 93. The corner positioning assembly 71 arranged on the first positioning seat 51 can position the left corner part 912 of the frame 91. Specifically, the corner positioning assembly 71 arranged on the first positioning seat 51 on the front side positions the left and front sides of the frame 91, and the corner positioning assembly 71 arranged on the first positioning seat 51 on the back side positions the left and back sides of the frame 91. The first pressing mechanism 3 arranged on the first positioning seat 51 can press the left corner part 912 of the frame 91. The frame strip positioning assembly 72 arranged on the second positioning seat 61 can position the frame strip 911. Specifically, the frame strip positioning assembly 72 arranged on the second positioning seat 61 on the front side positions the front side of the frame strip 911, and the frame strip positioning assembly 72 arranged on the second positioning seat 61 on the back side positions the back side of the frame strip 911. The horizontal strip positioning mechanism arranged on the second positioning seat 61 can press the horizontal strip 93. The first positioning assembly 5 and the second positioning assembly 6 support and position the side plate 9 at different positions on the left and right sides, and the positioning effect is good.

[0045] According to different side plates 9, different numbers of second positioning assemblies 6 can be arranged. When the number of plate parts 92 and horizontal strips 93 is two, referring to (a) and (b) in FIG. 6, the number of second positioning assemblies 6 is two, the two second positioning assemblies 6 are arranged at intervals on the left and right sides, and the two second positioning assemblies 6 position the corresponding positions of the two horizontal strips 93 and the two plate parts 92, respectively. When the number of plate parts 92 and horizontal strips 93 is one, the number of second positioning assemblies 6 is one. Figure 1

[0046] In some embodiments, the first positioning seat 51 is provided with a first pressing sliding seat 52 and a first pressing driving mechanism. The first pressing sliding seat 52 can move in the front and back directions relative to the first positioning seat 51. The first pressing driving mechanism is in transmission connection with the first pressing sliding seat 52. The first pressing driving mechanism can drive the first pressing sliding seat 52 to move forward and backward. The first pressing mechanism 3 on the first positioning seat 51 is arranged on the first pressing sliding seat 52. The second positioning seat 61 is provided with a second pressing sliding seat 62 and a second pressing driving mechanism. The second pressing sliding seat 62 can move in the front and back directions relative to the second positioning seat 61. The second pressing driving mechanism is in transmission connection with the second pressing sliding seat 62. The second pressing driving mechanism can drive the second pressing sliding seat 62 to move forward and backward. The first pressing mechanism 3 and the second pressing mechanism 4 on the second positioning seat 61 are arranged on the second pressing sliding seat 62.

[0047] ​After the side plate 9 is placed, the first pressing driving mechanism drives the first pressing sliding seat 52 to approach the frame 91, and the first pressing mechanism 3 on the first pressing sliding seat 52 can press the left corner part 912 of the frame 91, the second pressing driving mechanism drives the second pressing sliding seat 62 to approach the frame strip 911 and the horizontal strip 93, and the first pressing mechanism 3 and the second pressing mechanism 4 on the second pressing sliding seat 62 press the frame strip 911 and the horizontal strip 93 respectively, for details, please refer to Figures 7 to 9 When the side plate 9 needs to be taken out after welding, the first pressing driving mechanism drives the first pressing sliding seat 52 to move away from the frame 91, and the second pressing driving mechanism drives the second pressing sliding seat 62 to move away from the frame strip 911 and the horizontal strip 93, so as to facilitate the placement and taking out of the side plate 9.

[0048] Further, referring to Figure 5 and Figure 6 , the welding fixture further comprises two push rods 8, the push rods 8 extend along the left-right direction, and the two push rods 8 are arranged in front of and behind each other. In the embodiment, the push rods 8 are arranged on the lower side of the first positioning seat 51 and the second positioning seat 61. The first pressing sliding seat 52 located on the front side and the second pressing sliding seat 62 located on the front side are fixedly connected with the push rod 8 located on the front side, and the first pressing sliding seat 52 located on the rear side and the second pressing sliding seat 62 located on the rear side are fixedly connected with the push rod 8 located on the rear side; the first pressing driving mechanism located on the front side and the second pressing driving mechanism located on the front side comprise the push rod 8 located on the front side, and the first pressing driving mechanism located on the rear side and the second pressing driving mechanism located on the rear side comprise the push rod 8 located on the rear side.

[0049] The first positioning seat 51 and the corresponding first pressing sliding seat 52 are connected with a first elastic element, the first elastic element can exert a spring force on the first pressing sliding seat 52 towards the inside, and the second positioning seat 61 and the corresponding second pressing sliding seat 62 are connected with a second elastic element 63, the second elastic element 63 can exert a spring force on the second pressing sliding seat 62 towards the inside. The first elastic element and the second elastic element 63 can adopt a spring.

[0050] The first pressing sliding seat 52 and the second pressing sliding seat 62 located on the front side are connected through the push rod 8 located on the front side, and the first pressing sliding seat 52 and the second pressing sliding seat 62 located on the rear side are connected through the push rod 8 located on the rear side. By using an external mechanism to push away the push rod 8, the first pressing sliding seat 52 and the second pressing sliding seat 62 located on the front side can be simultaneously driven away from the side plate 9, and the first pressing sliding seat 52 and the second pressing sliding seat 62 located on the rear side can be simultaneously driven away from the side plate 9, and the first elastic element and the second elastic element 63 are compressed; after the external mechanism leaves the push rod 8, the first elastic element and the second elastic element 63 rebound, the first pressing sliding seat 52 and the second pressing sliding seat 62 approach the side plate 9 and keep pressing, which can simplify the structure of the welding fixture, and the welding fixture does not need to be provided with an electric or gas driving structure, facilitating the movement of the welding fixture.

[0051] Further, the first pressing mechanism 3 comprises a first pressing block 31 and a first spring pressing bead 32, the first pressing block 31 is fixedly connected with the corresponding first pressing slide 52 or second pressing slide 62, and the first spring pressing bead 32 is vertically arranged on the first pressing block 31, which can be lifted by the frame 91 and then pressed downward to press the frame 91.

[0052] The spring pressing bead is internally provided with a spring and externally provided with a pressing bead, when the first pressing slide 52 or second pressing slide 62 approaches the frame 91, the pressing bead is lifted by the frame 91 and then pressed downward to press the frame 91, which has a relatively simple structure.

[0053] Further, referring to Figure 4 and Figure 9 , the second pressing mechanism 4 comprises a second pressing block 41, a second pressing wheel 42 and a second spring 43, the second pressing block 41 is slidably connected with the second pressing slide 62 in the up-down direction, the second pressing block 41 and the second pressing slide 62 are slidably connected through guide columns, the second spring 43 is connected between the second pressing block 41 and the second pressing slide 62, the second spring 43 can apply a downward force to the second pressing block 41, the second pressing wheel 42 is rotatably connected with the second pressing block 41, and the outer periphery of the second pressing wheel 42 is provided with a limiting pressing groove 421 which is matched with the width of the horizontal strip 93.

[0054] When the second pressing slide 62 moves close to the horizontal strip 93, the second pressing wheel 42 first touches the frame strip 911, which lifts the second pressing wheel 42 and the second pressing block 41 upward; then the second pressing wheel 42 continues to move to the upper side of the horizontal strip 93, the second spring 43 presses the second pressing block 41 and the second pressing wheel 42 downward, the second pressing wheel 42 presses the horizontal strip 93, and the horizontal strip 93 enters the limiting pressing groove 421, which can further position the position of the horizontal strip 93.

[0055] In some embodiments, the welding fixture further comprises a first left-right adjusting seat 54 and a second left-right adjusting seat 64, both of which are slidably connected with the base 1 in the left-right direction, specifically through a slide rail and a slide block; the first left-right adjusting seat 54 and the base 1 are connected with a first left-right position adjusting mechanism 55, which can adjust the left-right position of the first left-right adjusting seat 54 on the base 1, and both of the first positioning seats 51 are arranged on the first left-right adjusting seat 54; the second left-right adjusting seat 64 and the base 1 are connected with a second left-right position adjusting mechanism 65, which can adjust the left-right position of the second left-right adjusting seat 64 on the base 1, and both of the second positioning seats 61 are arranged on the second left-right adjusting seat 64. In this way, the left-right length of the side plate 9 can be adjusted to adapt to the positioning of different left-right lengths, or the left-right position of the horizontal strip 93 can be adjusted to adapt to the positioning of different left-right positions, thereby improving the versatility of the welding fixture.

[0056] Specifically, the first left-right position adjusting mechanism 55 and the second left-right position adjusting mechanism 65 can be screws, and when the first left-right adjusting seat 54 and the second left-right adjusting seat 64 are adjusted to the desired positions, the screws are locked to the base 1.

[0057] Further, the first positioning seat 51 and the first left-right adjusting seat 54 are connected in sliding mode in the front-rear direction, and the first positioning seat 51 and the first left-right adjusting seat 54 are connected by a first front-rear position adjusting mechanism 56, which can adjust the front-rear position of the first positioning seat 51 on the first left-right adjusting seat 54; the second positioning seat 61 and the second left-right adjusting seat 64 are connected in sliding mode in the front-rear direction, and the second positioning seat 61 and the second left-right adjusting seat 64 are connected by a second front-rear position adjusting mechanism 66, which can adjust the front-rear position of the second positioning seat 61 on the second left-right adjusting seat 64. In this way, the side plate 9 of different front-rear widths can be adjusted and adapted, and the versatility of the welding fixture is improved.

[0058] Specifically, the first front-rear position adjusting mechanism 56 and the second front-rear position adjusting mechanism 66 can be screws, and when the first positioning seat 51 and the second positioning seat 61 are adjusted to the desired positions, the screws are locked to the first left-right adjusting seat 54 and the second left-right adjusting seat 64. In other embodiments, the first front-rear position adjusting mechanism 56 can be a bidirectional screw rod, which is arranged on the first left-right adjusting seat 54, and two nuts are connected to the bidirectional screw rod, and the two nuts are fixed to the two first positioning seats 51, respectively. Rotating the bidirectional screw rod can drive the two first positioning seats 51 to move closer to or farther away from each other.

[0059] In some specific embodiments, referring to Figure 3 The supporting surface 2 is fixed with a magnet 21, which is used to attract the plate member 92. Specifically, the first positioning seat 51 and the second positioning seat 61 are both provided with a magnet 21, and when the plate member 92 of iron is placed on the supporting surface 2, the magnet 21 can attract the plate member 92, further improving the stability of positioning.

[0060] The above only describes the preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made by using the contents of the present application and the drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A welding fixture, characterized in that, include: The base (1) has a support surface (2) for supporting the side plate (9). A frame positioning mechanism is provided on the base (1). The frame positioning mechanism includes a positioning block assembly and a first pressing mechanism (3). The positioning block assembly is used to position the lateral position of the frame (91), and the first pressing mechanism (3) is used to press the frame (91) onto the support surface (2). A horizontal bar positioning mechanism is provided on the base (1). The horizontal bar positioning mechanism includes a second pressing mechanism (4), which is used to position the horizontal bar (93) and press the horizontal bar (93) onto the support surface (2).

2. The welding fixture as described in claim 1, characterized in that, The welding fixture includes a first positioning component (5) and a second positioning component (6), wherein the second positioning component (6) is disposed at an interval to the right of the first positioning component (5); The first positioning component (5) includes two first positioning seats (51), which are disposed on the base (1) and are arranged in a front-to-back interval. The second positioning component (6) includes two second positioning seats (61), which are disposed on the base (1) and are arranged in a front-to-back interval. The supporting surface (2) is disposed on the upper side of the first positioning seat (51) and the second positioning seat (61). The supporting surface (2) on the first positioning seat (51) is used to support the left corner (912) and plate (92) of the frame (91). The supporting surface (2) on the second positioning seat (61) is used to support the frame strip (911), the horizontal strip (93) and the plate (92). The positioning block assembly includes a corner positioning assembly (71) and a frame strip positioning assembly (72). The corner positioning assembly (71) is provided on both of the first positioning seats (51). The corner positioning assembly (71) is used to position the lateral position of the left corner (912) of the frame (91). The frame strip positioning assembly (72) is provided on both of the second positioning seats (61). The frame strip positioning assembly (72) is used to position the front or rear side of the frame strip (911). The first positioning seat (51) and the second positioning seat (61) are both provided with the first pressing mechanism (3). The first pressing mechanism (3) on the first positioning seat (51) is used to press the left corner (912) of the frame (91). The first pressing mechanism (3) on the second positioning seat (61) is used to press the frame strip (911). The two second positioning seats (61) are both provided with the horizontal bar positioning mechanism.

3. The welding fixture as described in claim 2, characterized in that, The first positioning seat (51) is provided with a first pressing slide (52) and a first pressing drive mechanism. The first pressing slide (52) can move relative to the first positioning seat (51) in the front-back direction. The first pressing drive mechanism is connected to the first pressing slide (52) in a transmission. The first pressing drive mechanism can drive the first pressing slide (52) to move back and forth. The first pressing mechanism (3) on the first positioning seat (51) is provided on the first pressing slide (52). The second positioning seat (61) is provided with a second pressing slide (62) and a second pressing drive mechanism. The second pressing slide (62) can move relative to the second positioning seat (61) in the front-back direction. The second pressing drive mechanism is connected to the second pressing slide (62) in a transmission connection. The second pressing drive mechanism can drive the second pressing slide (62) to move back and forth. The first pressing mechanism (3) and the second pressing mechanism (4) on the second positioning seat (61) are provided on the second pressing slide (62).

4. The welding fixture as described in claim 3, characterized in that, The welding fixture also includes two levers (8), which extend in the left and right direction and are arranged at intervals. The first pressing slide (52) and the second pressing slide (62) located on the front side are both fixedly connected to the lever (8) located on the front side, and the first pressing slide (52) and the second pressing slide (62) located on the rear side are both fixedly connected to the lever (8) located on the rear side. The first pressing drive mechanism and the second pressing drive mechanism located on the front side include the lever (8) located on the front side, and the first pressing drive mechanism and the second pressing drive mechanism located on the rear side include the lever (8) located on the rear side. A first elastic element is connected between the first positioning seat (51) and the corresponding first pressing slide (52). The first elastic element can apply an inward elastic force to the first pressing slide (52). A second elastic element (63) is connected between the second positioning seat (61) and the corresponding second pressing slide (62). The second elastic element (63) can apply an inward elastic force to the second pressing slide (62).

5. The welding fixture as described in claim 3, characterized in that, The first pressing mechanism (3) includes a first pressing block (31) and a first spring ball (32). The first pressing block (31) is fixedly connected to the corresponding first pressing slide (52) or second pressing slide (62). The first spring ball (32) is vertically arranged on the first pressing block (31). The first spring ball (32) can be lifted by the frame (91) and pressed down on the frame (91).

6. The welding fixture as described in claim 3, characterized in that, The second pressing mechanism (4) includes a second pressing block (41), a second pressing wheel (42), and a second spring (43). The second pressing block (41) is slidably connected to the second pressing slide (62) in the up-down direction. The second spring (43) is connected between the second pressing block (41) and the second pressing slide (62). The second spring (43) can apply a downward force to the second pressing block (41). The second pressing wheel (42) is rotatably connected to the second pressing block (41). The outer periphery of the second pressing wheel (42) is provided with a limiting groove (421) that matches the crossbar (93).

7. The welding fixture as described in claim 2, characterized in that, The welding fixture also includes a first left-right adjustment seat (54) and a second left-right adjustment seat (64), both of which are slidably connected to the base (1) in the left-right direction. A first left and right position adjustment mechanism (55) is connected between the first left and right adjustment seat (54) and the base (1). The first left and right position adjustment mechanism (55) can adjust the left and right position of the first left and right adjustment seat (54) on the base (1). Two first positioning seats (51) are provided on the first left and right adjustment seat (54). A second left and right position adjustment mechanism (65) is connected between the second left and right adjustment seat (64) and the base (1). The second left and right position adjustment mechanism (65) can adjust the left and right position of the second left and right adjustment seat (64) on the base (1). Two second positioning seats (61) are provided on the second left and right adjustment seat (64).

8. The welding fixture as described in claim 7, characterized in that, The first positioning seat (51) and the first left and right adjustment seat (54) are slidably connected in the front and back direction. A first front and back position adjustment mechanism (56) is connected between the first positioning seat (51) and the first left and right adjustment seat (54). The first front and back position adjustment mechanism (56) can adjust the front and back position of the first positioning seat (51) on the first left and right adjustment seat (54). The second positioning seat (61) and the second left and right adjustment seat (64) are slidably connected in the front and back direction. A second front and back position adjustment mechanism (66) is connected between the second positioning seat (61) and the second left and right adjustment seat (64). The second front and back position adjustment mechanism (66) can adjust the front and back position of the second positioning seat (61) on the second left and right adjustment seat (64).

9. The welding fixture as described in claim 2, characterized in that, The number of the second positioning components (6) is two, and the two second positioning components (6) are arranged on the left and right sides at intervals.

10. The welding fixture as described in claim 1, characterized in that, A magnet (21) is fixed on the supporting surface (2), and the magnet (21) is used to attract the plate (92).

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