A positioning fixture that can quickly realize the flip angle of box-type parts

Abstract

The utility model discloses a positioning fixture that can quickly realize the flip angle of box-type parts, comprising an angle support component, a flippable flip component is arranged above the angle support component, and a workpiece positioning component is arranged above the flip component. The positioning fixture that can quickly realize the flip angle of box-type parts can quickly and efficiently position the engine case in the axial and circumferential directions, meet the processing requirements of the angle holes on both sides of the engine case, ensure the processing accuracy, so as to better control the product quality and improve the production efficiency.

Description

Technical Field

[0001] The utility model relates to a clamp, more specifically, to a positioning clamp which can quickly realize the flipping angle of box parts. Background Art

[0002] As an important part of the engine, the box is mainly composed of the left box, the right box and other side cover parts. Its main function is to protect the internal mechanical parts of the engine from external damage, provide a carrier and platform for the normal operation of its internal mechanical structure, and provide lubrication and cooling functions to protect its internal mechanical structure. Therefore, the design requirements of the box are high, and the processing quality will directly affect the accuracy, performance, life of the machine or parts and the reliability of the entire machine.

[0003] The existing clamping method is divided into two clamping steps. Two sets of clamps are required for the two angle holes. First, the angle hole on one side is processed, and then the clamp is switched to process the angle hole on the other side. This processing method is time-consuming to disassemble and clamp, and has low work efficiency, and needs to be improved. Utility Model Content

[0004] Based on this, it is necessary to provide a positioning fixture that can quickly realize the flipping angle of box-type parts to address the above technical problems.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A positioning fixture capable of quickly realizing the flipping angle of box-type parts, characterized in that the positioning fixture capable of quickly realizing the flipping angle of box-type parts comprises an angle support component, a flippable flip component is provided above the angle support component, and a workpiece positioning component is provided above the flip component.

[0007] As a preferred embodiment of the utility model, the angle support assembly includes a bottom plate, and a detachable angle support seat is respectively provided on the four corners of the bottom plate, and a detachable angle flip buffer column is provided on one side of the angle support seat, a pair of cylinders is provided on the bottom plate, and a cylinder top is provided on the upper part of the cylinder, a pair of lower hinge seats are provided on the edge of the bottom plate, a rotating shaft passes through the lower hinge seat, a pair of upper hinge seats are provided on the rotating shaft, and the upper hinge seat cooperates with the lower hinge seat, and a plurality of first hand-turn valves are provided on the bottom plate,

[0008] The flip assembly comprises a flip plate and an angle block, the flip plate is fixedly connected to the upper hinge seat, an anti-collision block is arranged on each of the four corners of the bottom of the flip plate, the anti-collision block matches with the corresponding angle support seat, a pair of hinge blocks are fixed in the middle of the upper surface of the flip plate, a pair of square-shaped guide brackets are arranged at the lower part of the hinge block, a slidable middle hinge seat is arranged between the guide brackets, a positioning pin passes through the middle hinge seat and the guide bracket, the middle hinge seat matches with the corresponding cylinder top,

[0009] The workpiece positioning assembly includes a bridge plate, the lower surface of the bridge plate is fixedly connected to the hinge block, a plurality of guide column bases are provided on the bridge plate, a pre-positioning guide column is provided on the guide column base, a plurality of rotating cylinders are provided on the bridge plate, an adjustable pressure block is provided on the top of the rotating cylinder, a detachable nylon pressure head is provided at the end of the adjustable pressure block, and a plurality of workpiece support seats and a second hand-turn valve are provided on the upper surface of the bridge plate.

[0010] As a preferred embodiment of the utility model, an anti-collision rubber pad is provided on the top of the angle flip buffer column.

[0011] As a preferred embodiment of the utility model, the setting direction of the angle block is perpendicular to the flip plate.

[0012] As a preferred embodiment of the utility model, the flip plate is in an I-shape.

[0013] As a preferred embodiment of the utility model, a rolling bearing is provided in the middle of the positioning pin, and the rolling bearing cooperates with the central hinge seat.

[0014] As a preferred embodiment of the utility model, the pre-positioning guide columns are distributed on the edge of the bridge plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model provides a positioning fixture which can quickly realize the flipping angle of box-type parts. The positioning fixture which can quickly realize the flipping angle of box-type parts can quickly and efficiently position the engine case in the axial and circumferential directions, meet the processing requirements of the angle holes on both sides of the engine case, and ensure the processing accuracy, so as to better carry out product quality control and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a positioning fixture that can quickly realize the flipping angle of box-type parts according to the utility model;

[0019] Figure 2 for Figure 1 An exploded schematic diagram of the three-dimensional structure of the angle support assembly in the positioning fixture that can quickly realize the flip angle of the box-type parts;

[0020] Figure 3 for Figure 1 An exploded schematic diagram of the three-dimensional structure of the flip assembly in the positioning fixture that can quickly realize the flip angle of the box-type parts;

[0021] Figure 4 for Figure 1 An exploded schematic diagram of the three-dimensional structure of a workpiece positioning assembly in a positioning fixture capable of quickly realizing the flipping angle of box-type parts;

[0022] Figure 5 for Figure 1 A schematic diagram of the use of a positioning fixture that can quickly realize the flip angle of box-type parts;

[0023] Figure 6 for Figure 5 Schematic diagram of the three-dimensional structure of the parts;

[0024] Figure 7 for Figure 6 The three-dimensional structural diagram of the parts in FIG. 1 is another perspective;

[0025] Figure 8 for Figure 7 The cross-sectional view of the part along line AA;

[0026] The markings in the figure are as follows: 1. Angle support assembly; 11. Bottom plate; 12. Angle support seat; 13. Angle flip buffer column; 14. Anti-collision rubber pad; 15. Cylinder; 151. Cylinder top; 16. Lower hinge seat; 161. Upper hinge seat; 17. Rotating shaft; 18. First hand-turn valve; 2. Flip assembly; 21. Flip plate; 22. Angle block; 23. Hinge block; 231. Guide bracket; 24. Center hinge seat; 25. Anti-collision block; 26. Locating pin; 27. Rolling bearing; 3. Workpiece positioning assembly; 31. Bridge plate; 32. Pre-positioning guide column; 33. Guide column base; 34. Rotating cylinder; 35. Adjustable pressure block; 36. Nylon pressure head; 37. Workpiece support seat; 38. Second hand-turn valve; 4. Box parts. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0028] like Figure 1 As shown, the positioning fixture capable of quickly realizing the flipping angle of box-type parts comprises an angle support component 1, a flipping component 2 is arranged above the angle support component 1, and a workpiece positioning component 3 is arranged above the flipping component 2.

[0029] like Figure 2 As shown, the angle support assembly 1 includes a base plate 11, and a detachable angle support seat 12 is respectively provided on the four corners of the base plate 11, and a detachable angle flip buffer column 13 is provided on one side of the angle support seat 12, and an anti-collision rubber pad 14 is provided on the top of the angle flip buffer column 13, a pair of cylinders 15 are provided on the base plate 11, and a cylinder top 151 is provided on the upper part of the cylinder 15, a pair of lower hinge seats 16 are provided on the edge of the base plate 11, a rotating shaft 17 passes through the lower hinge seat 16, and a pair of upper hinge seats 161 are provided on the rotating shaft 17, and the upper hinge seat 161 cooperates with the lower hinge seat 16, and a plurality of first hand-turned valves 18 are provided on the base plate 11.

[0030] like Figure 3As shown, the flip assembly 2 includes a flip plate 21 and an angle block 22, the setting direction of the angle block 22 is perpendicular to the flip plate 21, the flip plate 21 is in an I-shape, and the flip plate 21 is fixedly connected to the upper hinge seat 161. An anti-collision block 25 is provided on the four corners of the bottom of the flip plate 21, and the anti-collision block 25 cooperates with the corresponding angle support seat 12. A pair of hinge blocks 23 are fixed in the middle of the upper surface of the flip plate 21, and a pair of square-shaped guide brackets 231 are provided at the lower part of the hinge block 23. A slidable central hinge seat 24 is provided between the guide brackets 231, and a positioning pin 26 passes through the central hinge seat 24 and the guide bracket 231. A rolling bearing 27 is provided in the middle of the positioning pin 26, and the rolling bearing 27 cooperates with the central hinge seat 24, and the central hinge seat 24 cooperates with the corresponding cylinder top 151.

[0031] like Figure 4 As shown, the workpiece positioning assembly 3 includes a bridge plate 31, the lower surface of the bridge plate 31 is fixedly connected to the hinge block 23, a plurality of guide column bases 33 are provided on the bridge plate 31, a pre-positioning guide column 32 is provided on the guide column base 33, and the pre-positioning guide column 32 is distributed on the edge of the bridge plate 31, a plurality of rotating cylinders 34 are provided on the bridge plate 31, an adjustable pressure block 35 is provided on the top of the rotating cylinder 34, a detachable nylon pressure head 36 is provided at the end of the adjustable pressure block 35, and a plurality of workpiece support seats 37 and a second hand-turn valve 38 are provided on the upper surface of the bridge plate 31.

[0032] The following is an introduction to the use of the positioning fixture that can quickly realize the flip angle of box-type parts. The steps are:

[0033] S1. Slowly place the box-type part 4 with the front side facing upward on the workpiece support seat 37, and align the positioning holes through the six pre-positioning guide columns 32 for easy clamping;

[0034] S2, two adjustable pressing blocks 35 respectively press a boss 41 and a middle rib 42 of the box-like part 4, thereby achieving axial positioning of the box-like part 4;

[0035] S3, start processing the angle hole 43 on one side of the box-type part 4;

[0036] S4. After the angle hole on one side of the box-type part 4 is processed, the pneumatic clamp is flipped to another angle, and the two adjustable pressing blocks 35 press the boss 41 and the middle rib plate 42 on the other side to complete the processing of the angle hole 44 on the other side.

[0037] The positioning fixture can clamp the workpiece once without disassembling it midway, and can realize one-time processing of the left and right angle holes, ensuring the angle requirements of the two holes and meeting the processing accuracy.

[0038] The positioning fixture that can quickly realize the flipping angle of box-type parts can quickly and efficiently position the engine case in the axial and circumferential directions, meet the processing requirements of the angle holes on both sides of the engine case, and ensure the processing accuracy, so as to better control product quality and improve production efficiency.

[0039] Without limitation to this, any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope defined in the claims.

Claims

1. A positioning fixture that can quickly realize the flip angle of box-type parts, characterized in that: The positioning fixture capable of quickly realizing the flipping angle of box-type parts comprises an angle support component (1), a flippable flip component (2) is arranged above the angle support component (1), and a workpiece positioning component (3) is arranged above the flip component (2). The angle support assembly (1) comprises a bottom plate (11), and a detachable angle support seat (12) is respectively provided on the four corners of the bottom plate (11), and a detachable angle flip buffer column (13) is provided on one side of the angle support seat (12). A pair of cylinders (15) are provided on the bottom plate (11), and a cylinder top (151) is provided on the upper part of the cylinder (15). A pair of lower hinge seats (16) are provided on the edge of the bottom plate (11), and a rotating shaft (17) passes through the lower hinge seat (16). A pair of upper hinge seats (161) are provided on the rotating shaft (17), and the upper hinge seats (161) cooperate with the lower hinge seat (16). A plurality of first hand-turned valves (18) are provided on the bottom plate (11). The flip assembly (2) comprises a flip plate (21) and an angle block (22), the flip plate (21) is fixedly connected to the upper hinge seat (161), and an anti-collision block (25) is provided at each of the four corners at the bottom of the flip plate (21), and the anti-collision block (25) cooperates with the corresponding angle support seat (12), a pair of hinge blocks (23) is fixed in the middle of the upper surface of the flip plate (21), and a pair of square-shaped guide brackets (231) are provided at the lower part of the hinge block (23), and a slidable middle hinge seat (24) is provided between the guide brackets (231), and a positioning pin (26) passes through the middle hinge seat (24) and the guide bracket (231), and the middle hinge seat (24) cooperates with the corresponding cylinder top (151). The workpiece positioning assembly (3) comprises a bridge plate (31), the lower surface of the bridge plate (31) is fixedly connected to the hinge block (23), a plurality of guide column bases (33) are provided on the bridge plate (31), a pre-positioning guide column (32) is provided on the guide column base (33), a plurality of rotating cylinders (34) are provided on the bridge plate (31), an adjustable pressure block (35) is provided on the top of the rotating cylinder (34), a detachable nylon pressure head (36) is provided at the end of the adjustable pressure block (35), and a plurality of workpiece support seats (37) and a second hand-turn valve (38) are provided on the upper surface of the bridge plate (31).

2. The positioning fixture for quickly realizing the flipping angle of box-type parts according to claim 1 is characterized in that: The top of the angle-turning buffer column (13) is provided with an anti-collision rubber pad (14).

3. The positioning fixture capable of quickly realizing the flipping angle of box-type parts according to claim 1 is characterized in that: The angle block (22) is arranged in a direction perpendicular to the flip plate (21).

4. The positioning fixture capable of quickly realizing the flipping angle of box-type parts according to claim 1 is characterized in that: The turnover plate (21) is in an I-shape.

5. The positioning fixture capable of quickly realizing the flipping angle of box-type parts according to claim 1 is characterized in that: A rolling bearing (27) is provided in the middle of the positioning pin (26), and the rolling bearing (27) matches with the central hinge seat (24).

6. The positioning fixture capable of quickly realizing the flipping angle of box-type parts according to claim 1 is characterized in that: The pre-positioning guide columns (32) are distributed on the edge of the bridge plate (31).

Images