Positioning clamp for welding battery pack bracket

Abstract

The utility model discloses a positioning clamp for welding a battery pack bracket, which belongs to the field of positioning clamps and comprises a base, a positioning table is fixedly connected to the top surface of the base, and a plurality of quick clamps are fixedly connected to the top surface of the positioning table through a fixed adjusting mechanism. Through a fixing and adjusting mechanism arranged at the using position of the quick clamp on the top face of the positioning table, when the quick clamp is installed, the quick clamp is placed in a notch of the concave fixing base and pushed to abut against a baffle, and then fastening rotary knobs located on the two sides of the top face of the concave fixing base are rotated at the same time; the fastening knob drives the screw rod to rotate through the third rotating rod, so that the movable pressing plate moves downwards along the screw rod through the screw hole until a limiting rod on the bottom surface of the movable pressing plate penetrates through a mounting hole formed in the quick clamp and is inserted into the limiting hole, and the purpose that the quick clamp is quickly and fixedly mounted on the positioning table for use is achieved; and therefore, convenience is brought to installation and adjustment of the positioning clamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning fixture field, especially in a kind of positioning fixture for battery pack bracket welding. BACKGROUND

[0002] Battery pack bracket is an important component in new energy automobile battery system, mainly used for installing and fixing battery pack, to ensure its stability and safety in the process of vehicle operation.Battery pack bracket is usually composed of bracket body, support cantilever and flexible buffer device.Bracket body is used to install battery pack, support cantilever is used to connect with frame assembly to fix battery pack bracket, and flexible buffer device can effectively buffer torsion and damage in the process of battery pack bracket operation, reduce friction and collision damage, so as to improve the stability and safety of battery pack.

[0003] In prior art, battery pack bracket is often produced and processed by welding, and when welding battery pack bracket, to prevent the workpiece of battery pack bracket from displacement, the workpiece of battery pack bracket needs to be fixed and positioned by positioning fixture, and the existing positioning fixture for battery pack bracket welding is mostly quick clamp, which is installed and fixed on positioning table at a certain angle by bolt, and after workpiece is placed on positioning table, positioning and fixing of workpiece can be completed by operating quick clamp, but the multiple quick clamps used in the positioning fixture need to be installed and fixed on the top surface of positioning table by bolt, which makes it difficult to operate when installing and using quick clamp, and the angle of quick clamp is difficult to adjust after being fixed, so the angle of quick clamp cannot be adjusted according to use requirement, which not only reduces the flexibility of positioning fixture in use, but also reduces work efficiency. UTILITARIAN CONTENT

[0004] The main purpose of the utility model is to provide a positioning fixture for battery pack bracket welding, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a positioning fixture for battery pack bracket welding, including the top surface fixed connection of base has the positioning table, and the top surface fixed connection of positioning table has a plurality of quick clamps through fixed adjusting mechanism, the fixed adjusting mechanism includes concave fixed seat, worm wheel, fixed block, worm, screw rod, movable pressing plate and limit rod, the top surface movable connection of concave fixed seat through the first rotating rod of bottom surface in positioning table, and the bottom fixed connection of worm wheel in first rotating rod, the bottom surface fixed connection of fixed block in positioning table, and the front end movable connection of worm through the second rotating rod with fixed block and is engaged with worm wheel, the both sides wall in concave fixed seat still has screw rod through the third rotating rod respectively movable connection in inside, and movable pressing plate is movable connection through the screw hole with screw rod in top surface, the bottom surface fixed connection of movable pressing plate still has the limit rod of symmetry.

[0007] Preferably, the bottom surface of the quick clamp is provided with a group of symmetrical mounting holes on the left and right sides.

[0008] Preferably, the top surface of the positioning table is provided with a plurality of first rotating holes.

[0009] Preferably, the bottom surface of the notch of the concave fixed seat is provided with a limiting hole corresponding to the mounting hole, the left and right side walls of the concave fixed seat are respectively provided with side openings, the inner top surface and bottom surface of the side openings are respectively provided with third rotating holes, the inner front and rear side walls of the side openings are respectively provided with sliding grooves, and a baffle is fixedly installed on the rear end wall of the concave fixed seat.

[0010] Preferably, the upper and lower ends of the screw rod are respectively fixedly installed with third rotating rods, the third rotating rods are movably installed in the third rotating holes, the top end of the upper third rotating rod is further fixedly installed with a fastening knob, the top surface of the movable pressing plate is provided with a screw hole, and the movable pressing plate is threadedly connected with the screw rod through the screw hole, the two sides of the movable pressing plate are respectively fixedly installed with sliding blocks, and the sliding blocks are movably installed in the sliding grooves, the top surface of the movable pressing plate is fixedly installed with a group of symmetrical limit rods, and the limit rods are inserted into the limiting holes through the mounting holes.

[0011] Preferably, the first rotating rod is fixedly installed on the bottom surface of the concave fixed seat and movably installed in the first rotating hole, the worm wheel is fixedly installed on the bottom end of the first rotating rod, the fixed block is fixedly installed on the bottom surface of the positioning table, a second rotating hole is formed in the front end wall of the fixed block, the second rotating rod is fixedly installed on the front end wall of the worm and movably installed in the second rotating hole, a adjusting knob is further fixedly installed on the front end of the second rotating rod, and the worm and the worm wheel are engaged with each other.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a fixed adjusting mechanism is provided on the use position of quick clamp of positioning table top surface, when installing quick clamp, place quick clamp into the recess of concave fixed seat and push quick clamp and baffle, rotate the fastening knob on the both sides of concave fixed seat top surface simultaneously, and the fastening knob will drive screw rod to rotate through the third rotating link, and the movable pressing plate moves down along screw rod through screw hole, until the limit rod on the movable pressing plate bottom surface passes the installation hole on quick clamp and inserts into the limit hole, thereby reach the purpose of convenient quick fixed installation of quick clamp on positioning table and use, and after fixing, rotate the adjusting knob and drive worm to rotate through the second rotating link, and worm drives worm wheel to rotate under the meshing effect, and worm wheel drives concave fixed seat to rotate through the first rotating link, can adjust the use angle of quick clamp according to actual use, can improve the use flexibility of quick clamp, thereby not only bring the convenience of installation and adjustment of positioning clamp, but also improve work efficiency, and can dismantle and replace in time after the quick clamp on subsequent positioning clamp breaks down, to ensure the normal use of positioning clamp. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is whole structure schematic diagram of the utility model;

[0015] Figure 2 It is whole structure schematic diagram of quick clamp of the utility model;

[0016] Figure 3 It is whole structure schematic diagram of positioning table of the utility model;

[0017] Figure 4 It is structure split schematic diagram of fixed adjusting mechanism of the utility model.

[0018] In the drawing: 1, base; 2, positioning table; 3, quick clamp; 4, fixed adjusting mechanism; 5, installation hole; 6, first rotating hole; 7, concave fixed seat; 8, first rotating link; 9, worm wheel; 10, fixed block; 11, second rotating hole; 12, worm; 13, second rotating link; 14, adjusting knob; 15, limit hole; 16, side opening; 17, third rotating hole; 18, sliding slot; 19, baffle; 20, screw rod; 21, third rotating link; 22, fastening knob; 23, movable pressing plate; 24, screw hole; 25, sliding block; 26, limit rod. PREFERRED EMBODIMENT

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] For example, Figure 1 - Figure 4As shown, a positioning fixture for battery pack bracket welding, including the base 1, the top surface of the base 1 is fixedly connected with the positioning table 2, and the top surface of the positioning table 2 is fixedly connected with a plurality of quick clamps 3 through the fixed adjusting mechanism 4. The fixed adjusting mechanism 4 includes a concave fixing seat 7, a worm wheel 9, a fixed block 10, a worm 12, a screw 20, a movable pressing plate 23 and a limiting rod 26. The concave fixing seat 7 is movably connected to the top surface of the positioning table 2 through the first rotating rod 8 at the bottom, and the worm wheel 9 is fixedly connected to the bottom end of the first rotating rod 8. The fixed block 10 is fixedly connected to the bottom surface of the positioning table 2, and the worm 12 is movably connected with the fixed block 10 through the second rotating rod 13 at the front end and engages with the worm wheel 9. The two side walls of the concave fixing seat 7 are movably connected with the screw 20 through the third rotating rod 21 respectively, and the movable pressing plate 23 is movably connected with the screw 20 through the screw hole 24 at the top. The bottom surface of the movable pressing plate 23 is also fixedly connected with the symmetrical limiting rod 26.

[0021] As shown, Figure 2 The bottom surface of the quick clamp 3 is provided with a group of symmetrical mounting holes 5 on the left and right sides. The mounting holes 5 provided on the quick clamp 3 are used to cooperate with the installation of the quick clamp 3.

[0022] As shown, Figure 3 The top surface of the positioning table 2 is provided with a plurality of first rotating holes 6. The first rotating holes 6 provided on the positioning table 2 are used to cooperate with the rotating operation of the first rotating rod 8.

[0023] As shown, Figure 4 The bottom surface of the recess of the concave fixing seat 7 is provided with a limiting hole 15 corresponding to the mounting hole 5. The mounting hole 5 is used to cooperate with the use of the mounting hole 5. The left and right side walls of the concave fixing seat 7 are respectively provided with side openings 16. The side openings 16 can realize the up and down movement operation inside. The top surface and the bottom surface of the inside of the side opening 16 are respectively provided with third rotating holes 17. The third rotating holes 17 are used to cooperate with the rotating operation of the third rotating rod 21. The front and rear side walls inside the side opening 16 are respectively provided with sliding grooves 18. The sliding grooves 18 are used to cooperate with the sliding operation of the sliding block 25. The rear end wall of the concave fixing seat 7 is also fixedly provided with a baffle 19. The baffle 19 is used to limit and block the quick clamp 3.

[0024] As shown, Figure 4As shown, the upper and lower ends of the screw rod 20 are respectively fixedly installed with third rotating rods 21, and the third rotating rods 21 are movably installed in the third rotating holes 17. The top end of the upper third rotating rod 21 is further fixedly installed with a fastening knob 22. The top surface of the movable pressing plate 23 is provided with screw holes 24, and the movable pressing plate 23 is screwed with the screw rod 20 through the screw holes 24. The movable pressing plate 23 is further respectively fixedly installed with sliding blocks 25 on both sides, and the sliding blocks 25 are movably installed in the sliding grooves 18. The top surface of the movable pressing plate 23 is fixedly installed with a group of symmetrical limiting rods 26, and the limiting rods 26 are inserted into the limiting holes 15 through the mounting holes 5. After the bottom end of the quick clamp 3 is positioned in the notch of the concave fixing seat 7, the fastening knob 22 is rotated to drive the screw rod 20 to rotate through the third rotating rod 21, so that the movable pressing plate 23 moves downward along the screw rod 20 through the screw holes 24, until the limiting rods 26 are inserted into the limiting holes 15 through the mounting holes 5, thereby achieving the purpose of quickly and fixedly installing the quick clamp 3 on the top surface of the positioning table 2 for use.

[0025] As shown in the figure, Figure 4 The first rotating rod 8 is fixedly installed on the bottom surface of the concave fixing seat 7, and the first rotating rod 8 is movably installed in the first rotating hole 6. The worm wheel 9 is fixedly installed on the bottom end of the first rotating rod 8. The fixed block 10 is fixedly installed on the bottom surface of the positioning table 2, and the front end wall of the fixed block 10 is provided with a second rotating hole 11. The front end wall of the worm 12 is fixedly installed with a second rotating rod 13, and the second rotating rod 13 is movably installed in the second rotating hole 11. The front end of the second rotating rod 13 is further fixedly installed with an adjusting knob 14. The worm 12 and the worm wheel 9 are engaged with each other. Rotating the adjusting knob 14 drives the second rotating rod 13 to rotate in the second rotating hole 11 formed in the front end of the fixed block 10. The second rotating rod 13 drives the worm 12 to rotate. The worm 12 drives the worm wheel 9 to rotate under the meshing action. The worm wheel 9 drives the first rotating rod 8 to rotate in the first rotating hole 6, so that the first rotating rod 8 drives the concave fixing seat 7 to rotate, thereby adjusting the use angle of the fixed quick clamp 3.

[0026] It needs explanation, the utility model discloses a kind of positioning fixture for battery pack bracket welding, the positioning fixture is composed of the quick clamps 3 of several being set on the top surface positioning table 2 of base 1, since quick clamps 3 are inconvenient to operate when being fixed by bolt in positioning table 2, and after being fixed, angle cannot be adjusted according to use demand, therefore, by setting fixed adjusting mechanism 4 to solve the problem of the positioning fixture, by setting fixed adjusting mechanism 4 on the position where quick clamps 3 are fixedly installed on positioning table 2, when quick clamps 3 are installed on the top surface of positioning table 2, the bottom end position of quick clamps 3 is in the notch of concave fixing seat 7, and after pushing quick clamps 3 to make it abut against baffle 19, it can ensure that mounting hole 5 opened in quick clamps 3 is aligned with limiting hole 15 opened in concave fixing seat 7, and simultaneously rotate fastening knob 22 located on the top surface both sides of concave fixing seat 7, fastening knob 22 will drive third rotating rod 21 to rotate in third rotating hole 17, third rotating rod 21 will drive screw rod 20 to rotate in side opening 16, and make movable pressing plate 23 move downwards along screw rod 20 in side opening 16 by the screw hole 24 opened in top surface, and the slider 25 on both sides of movable pressing plate 23 will slide in sliding groove 18, until the limiting rod 26 installed on the bottom surface of movable pressing plate 23 is inserted into limiting hole 15 after passing through mounting hole 5, and fastening knob 22 cannot be rotated, i.e. quick clamps 3 can be quickly installed and fixed on the top surface of positioning table 2 for use, when the use angle of quick clamps 3 needs to be adjusted according to the positioning and fixing requirement when welding battery pack bracket, adjustment knob 14 can be rotated to drive second rotating rod 13 to rotate in the second rotating hole 11 opened in the front end wall of fixed block 10, second rotating rod 13 will drive worm 12 to rotate, worm 12 will drive worm wheel 9 to rotate under the action of meshing, worm wheel 9 will drive the first rotating rod 8 on the top surface to rotate in the first rotating hole 6 opened in positioning table 2, so that the first rotating rod 8 drives concave fixing seat 7 to rotate on the top surface of positioning table 2, i.e. the use angle of quick clamps 3 fixed on concave fixing seat 7 can be adjusted, finally, after placing workpiece used for welding battery pack bracket on the top surface of positioning table 2, quick clamps 3 is operated to quickly position and fix workpiece on positioning table 2, to achieve the purpose of improving the installation and adjustment convenience and working efficiency of positioning fixture.

[0027] In conclusion, only the preferred embodiment of the utility model is described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiment, however, it can be variously improved and the components thereof can be replaced by equivalent within the scope of the utility model, or part of technical features is replaced equivalently, all within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A positioning fixture for welding battery pack brackets, comprising a base (1), characterized in that: The top surface of the base (1) is fixedly connected to a positioning platform (2), and the top surface of the positioning platform (2) is fixedly connected to several quick clamps (3) via a fixing adjustment mechanism (4). The fixing adjustment mechanism (4) includes a concave fixing seat (7), a worm gear (9), a fixing block (10), a worm (12), a screw (20), a movable pressure plate (23), and a limiting rod (26). The concave fixing seat (7) is movably connected to the top surface of the positioning platform (2) via a first rotating rod (8) on the bottom surface, and the worm gear (9) is fixedly connected to the first rotating rod (8). At the bottom end of the moving rod (8), the fixed block (10) is fixedly connected to the bottom surface of the positioning platform (2), and the worm (12) is movably connected to the fixed block (10) through the second rotating rod (13) at the front end and meshes with the worm wheel (9). The concave fixed seat (7) is also movably connected to the screw (20) through the third rotating rod (21) on both sides of the inner wall, and the movable pressure plate (23) is movably connected to the screw (20) through the screw hole (24) on the top surface. The bottom surface of the movable pressure plate (23) is also fixedly connected to symmetrical limiting rods (26).

2. The positioning fixture for welding battery pack brackets according to claim 1, characterized in that: The quick clamp (3) has a set of symmetrical mounting holes (5) on the left and right sides of its bottom surface.

3. A positioning fixture for welding battery pack brackets according to claim 2, characterized in that: The top surface of the positioning platform (2) is provided with several first rotating holes (6).

4. A positioning fixture for welding battery pack brackets according to claim 3, characterized in that: The concave fixing seat (7) has a limiting hole (15) corresponding to the mounting hole (5) on the bottom surface of the concave opening. The left and right side walls of the concave fixing seat (7) are respectively provided with side openings (16), and the top and bottom surfaces of the side openings (16) are respectively provided with third rotating holes (17). The front and rear side walls of the side openings (16) are respectively provided with sliding grooves (18), and a baffle (19) is also fixedly installed on the rear end wall of the concave fixing seat (7).

5. A positioning fixture for welding battery pack brackets according to claim 4, characterized in that: The upper and lower ends of the screw (20) are respectively fixedly installed with a third rotating rod (21), and the third rotating rod (21) is movably installed in the third rotating hole (17). The top end of the upper third rotating rod (21) is also fixedly installed with a fastening knob (22). The top surface of the movable pressure plate (23) is provided with a screw hole (24), and the movable pressure plate (23) is threadedly connected to the screw (20) through the screw hole (24). The two sides of the movable pressure plate (23) are respectively fixedly installed with sliders (25), and the sliders (25) are movably installed in the slide groove (18). The top surface of the movable pressure plate (23) is fixedly installed with a set of symmetrical limiting rods (26), and the limiting rods (26) pass through the mounting hole (5) and are inserted into the limiting hole (15).

6. A positioning fixture for welding battery pack brackets according to claim 5, characterized in that: The first rotating rod (8) is fixedly installed on the bottom surface of the concave fixed base (7), and the first rotating rod (8) is movably installed in the first rotating hole (6). The worm gear (9) is fixedly installed at the bottom end of the first rotating rod (8). The fixed block (10) is fixedly installed on the bottom surface of the positioning platform (2), and a second rotating hole (11) is opened on the front end wall of the fixed block (10). A second rotating rod (13) is fixedly installed on the front end wall of the worm (12), and the second rotating rod (13) is movably installed in the second rotating hole (11). An adjustment knob (14) is also fixedly installed at the front end of the second rotating rod (13). The worm (12) and the worm gear (9) mesh together.

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