CN220560982U

CN220560982U - CCB framework floor connecting support leg drilling clamping mechanism and machining clamp

Info

Publication number: CN220560982U
Application number: CN202321998233.6U
Authority: CN
Inventors: 李林峰; 王礼; 文双兵; 孙龙昊
Original assignee: Chongqing Boao Mg Al Manufacuture Co ltd
Current assignee: Chongqing Boao Mg Al Manufacuture Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-03-08
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a drilling clamping mechanism for connecting supporting legs of a CCB framework floor, which comprises a base, wherein the base is provided with two sliding blocks and two clamping cylinders, the end parts of piston rods of the clamping cylinders are provided with clamping arms, the outer ends of the sliding blocks are respectively provided with an inner side supporting block, the free ends of the clamping arms are provided with an outer side compressing block, and the inner side supporting blocks and the outer side compressing blocks are oppositely arranged; the two sliding blocks are propelled by a synchronous propulsion mechanism. The CCB framework machining clamp comprises a substrate, wherein two groups of end clamping assemblies are arranged on the substrate, and a middle clamping assembly and the clamping mechanisms are arranged between connecting lines of the two groups of end clamping assemblies. The utility model has the remarkable effects that the two floor connecting support legs of the CCB framework can be clamped rapidly and stably in a small space, and the subsequent processing of the CCB framework is ensured to be stable.

Description

CCB framework floor connecting support leg drilling clamping mechanism and machining clamp

Technical Field

The utility model relates to automobile part processing equipment, in particular to a processing auxiliary tool of a CCB framework.

Background

The trend of the CCB framework which is welded by the traditional steel plates and turned into an integral die casting is more obvious, and the die casting structure of the CCB framework is different according to the vehicle type of a main engine factory. In general, the general construction of CCB skeletons includes a cross member in the vehicle body width direction, on which a corresponding structure is arranged in accordance with the requirements of a host factory.

The CCB framework of the existing new structure is provided with two supporting legs which extend to the floor of the vehicle body to be connected, as shown in fig. 1, the connecting holes on the supporting legs are difficult to realize through a die casting die, so that the supporting legs are required to be drilled in the later period, the drilling operation of the two supporting legs is required to be carried out simultaneously for reducing the processing time, and the distance between the two connecting supporting legs of the floor of the vehicle body is relatively short, so that the rapid and stable clamping of the part is required to be met.

Disclosure of Invention

In view of this, in order to solve the problem of rapid and stable clamping of two supporting legs, the utility model provides a drilling and clamping mechanism for connecting supporting legs of a CCB framework floor, which is characterized in that: the clamping device comprises a base, wherein two sliding blocks are horizontally assembled on the base along the same straight line, clamping cylinders are respectively arranged on the base corresponding to the two sliding blocks, clamping arms are arranged at the end parts of piston rods of the clamping cylinders, the free ends of the clamping arms extend towards the direction where the sliding blocks are located, inner side supporting blocks are respectively arranged at the outer ends of the sliding blocks, outer side compression blocks are arranged at the free ends of the clamping arms, and the inner side supporting blocks and the outer side compression blocks are oppositely arranged;

the inner ends of the two sliding blocks are provided with synchronous propelling mechanisms which simultaneously act on the two sliding blocks to enable the sliding blocks to reversely and synchronously slide.

Secondly, in order to optimize the integral clamping scheme during CCB skeleton drilling, the utility model also provides a CCB skeleton processing clamp, which is characterized in that: the device comprises a substrate, wherein two groups of end clamping assemblies are arranged on the substrate, and a middle clamping assembly is arranged between connecting lines of the two groups of end clamping assemblies;

the base plate on one side of the middle clamping component is provided with the supporting leg drilling clamping mechanism.

Drawings

FIG. 1 is a schematic diagram of the general structure of a CCB framework;

fig. 2 is a schematic structural view of embodiment 1;

FIG. 3 is a schematic plan view of a CCB skeleton floor connecting leg drilling and clamping mechanism;

FIG. 4 is a cross-sectional view of A-A' of FIG. 3;

FIG. 5 is a schematic view of the assembly of the slider 42 and the wing 4 b;

fig. 6 is a schematic structural diagram of embodiment 2.

Detailed Description

The utility model is further described below with reference to examples and figures.

Example 1:

as shown in fig. 2-5, a drilling and clamping mechanism for connecting supporting legs of a CCB framework floor comprises a base 41, wherein the base 41 comprises a bottom plate 4a and two wing plates 4b arranged on the bottom plate 4a, the bottom plate 4a is horizontally arranged, the two wing plates 4b are vertically opposite to each other, the two wing plates 4b are connected to the edge of the bottom plate 4a, the two wing plates 4b extend upwards to the upper side of the bottom plate 4a, and a protection box is arranged on the lower surface of the bottom plate 4 a.

Two sliding blocks 42 are horizontally assembled on the base 41 along the same straight line, the wing plates 4b are in one-to-one correspondence with the sliding blocks 42, the sliding blocks 42 slide through the corresponding wing plates 4b, outer side anti-falling heads are arranged at the outer ends of the sliding blocks 42, inner side anti-falling heads are arranged at the inner ends of the sliding blocks 42, clamping air cylinders 43 are respectively arranged on the base 41 corresponding to the two sliding blocks 42, cylinder barrels of the clamping air cylinders 43 are fixed on the upper surface of the bottom plate 4a, cylinder bottoms of the two clamping air cylinders 43 are oppositely arranged and are close to each other, clamping arms 44 are arranged at the end parts of piston rods of the clamping air cylinders 43, free ends of the clamping arms 44 extend towards the direction where the sliding blocks 42 are located, inner side supporting blocks 45 are respectively arranged at the outer ends of the sliding blocks 42, outer side pressing blocks 46 are arranged at the free ends of the clamping arms 44, and the inner side supporting blocks 45 and the outer side pressing blocks 46 are oppositely arranged;

the tail ends of the vehicle body floor connecting legs extend between the inner side supporting blocks 45 and the outer side compressing blocks 46; the inner support block 45 supports the connecting support leg from the inner side, and the outer pressing block 46 supports the connecting support leg from the outer side, so that the stability of the support leg in subsequent drilling is ensured.

The inner ends of the two sliders 42 are provided with synchronous propelling mechanisms which simultaneously act on the two sliders 42 to enable the two sliders 42 to reversely and synchronously slide. The synchronous propelling mechanism comprises a lifting cylinder 47, wherein the outer wall of the lifting cylinder 47 is fixed below the base 41, the specific lifting cylinder 47 is positioned in the protection box, a lifting block 48 is vertically and slidably arranged on the bottom plate 4a and is connected with a piston rod of the lifting cylinder 47, wedge-shaped surfaces are respectively arranged on the inner ends of the lifting block 48 corresponding to the two sliding blocks 42, and a sliding block return spring 49 is respectively arranged between each sliding block 42 and the base 41; the slider return spring 49 is provided between the wing plate 4b and the slider 42; specifically, the slider return spring 49 is disposed between the wing plate 4b and the inner anti-drop head, and blind holes for placing the slider return spring 49 are disposed on the wing plate 4b and the inner anti-drop head.

The wedge faces rise with the lifting block 48 and push the corresponding slider 42 outward, and the slider return springs 49 descend with the lifting block 48 and pull the corresponding slider 42 back.

Example 2: the CCB framework machining clamp comprises a base plate 1, wherein two groups of end clamping assemblies 2 are arranged on the base plate 1, and a middle clamping assembly 3 is arranged between connecting lines of the two groups of end clamping assemblies 2;

the base plate 1 on one side of the middle clamping component 3 is provided with the supporting leg drilling clamping mechanism 4 in the embodiment 1. A stabilizing clamp 5 is also provided between the middle clamping assembly 3 and the end clamping assembly 2. The end clamp assembly 2 includes an end support table 21 and an end hold-down 22.

The middle clamping assembly 3 comprises a middle supporting table and a middle pressing piece, and the stabilizing clamp 5 comprises a stabilizing supporting table and a stabilizing pressing piece, and a positioning guide piece is further arranged on the substrate 1. The end hold-down, middle hold-down and stabilizing hold-down may be quick clamps.

The beneficial effects are that: by adopting the scheme of the utility model, the two floor connecting supporting legs of the CCB framework can be clamped rapidly and stably in a smaller space, and the subsequent processing of the CCB framework is ensured to be stable.

Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a landing leg drilling fixture is connected to CCB skeleton floor which characterized in that: the clamping device comprises a base (41), wherein two sliding blocks (42) are horizontally assembled on the base (41) along the same straight line, clamping air cylinders (43) are respectively arranged on the base (41) corresponding to the two sliding blocks (42), clamping arms (44) are arranged at the end parts of piston rods of the clamping air cylinders (43), the free ends of the clamping arms (44) extend towards the direction of the sliding blocks (42), inner supporting blocks (45) are respectively arranged at the outer ends of the sliding blocks (42), outer pressing blocks (46) are arranged at the free ends of the clamping arms (44), and the inner supporting blocks (45) and the outer pressing blocks (46) are oppositely arranged;

the inner ends of the two sliding blocks (42) are provided with synchronous propelling mechanisms which simultaneously act on the two sliding blocks (42) to enable the sliding blocks to reversely and synchronously slide.

2. The CCB skeletal floor connection leg drilling fixture of claim 1, wherein: the synchronous propelling mechanism comprises a lifting air cylinder (47), wherein the outer wall of the lifting air cylinder (47) is fixed below the base (41), a lifting block (48) is vertically and slidably arranged in the base (41), the lifting block (48) is connected with a piston rod of the lifting air cylinder (47), wedge-shaped surfaces are respectively arranged at the inner ends of the lifting block (48) corresponding to the two sliding blocks (42), and a sliding block reset spring (49) is respectively arranged between each sliding block (42) and the base (41);

the wedge faces rise with the lifting block (48) and push the corresponding sliding blocks (42) outwards, and the sliding block return springs (49) descend with the lifting block (48) and pull the corresponding sliding blocks (42) back.

3. The CCB skeletal floor connection leg drilling fixture of claim 2, wherein: the base (41) comprises a bottom plate (4 a) and two wing plates (4 b) arranged on the bottom plate (4 a), the bottom plate (4 a) is horizontally arranged, the two wing plates (4 b) are vertically opposite to each other, the two wing plates (4 b) upwards extend to the upper portion of the bottom plate (4 a), the wing plates (4 b) are in one-to-one correspondence with the sliding blocks (42), the sliding blocks (42) slide through the corresponding wing plates (4 b), a sliding block reset spring (49) is arranged between the wing plates (4 b) and the sliding blocks (42), and the lifting blocks (48) are assembled with the bottom plate (4 a) in a sliding mode.

4. A CCB skeleton adds clamping apparatus which characterized in that: the device comprises a substrate (1), wherein two groups of end clamping assemblies (2) are arranged on the substrate (1), and a middle clamping assembly (3) is arranged between connecting lines of the two groups of end clamping assemblies (2);

-the base plate (1) on one side of the middle clamping assembly (3) is provided with a leg drilling clamping mechanism (4) according to any one of claims 1-3.

5. The CCB skeleton processing jig of claim 4, wherein: a stabilizing clamp (5) is further arranged between the middle clamping component (3) and the end clamping component (2).

6. The CCB skeleton processing jig of claim 4, wherein: the end clamping assembly (2) comprises an end support table (21) and an end pressing piece (22).