A clamp for automatic polishing of binaural blank

Abstract

The utility model discloses a kind of clamps for double-ear blank automatic polishing, its clamping component is used to press double-ear blank tightly on positioning component;Positioning component includes two first locating surface, transverse positioning assembly and second locating surface;Two first locating surface are positioned with the arc outer peripheral surface cooperation of double-ear blank connecting ear respectively;Transverse positioning assembly includes the first locating block between two first locating surfaces and the second locating block oppositely arranged with first locating block, first locating block and second locating block respectively abut the end surface of same connecting ear;Second locating surface is positioned with the lower surface cooperation of double-ear blank locking portion.The utility model is positioned to the connecting ear and locking portion of double-ear blank by setting first locating surface and second locating surface, the position of connecting ear along its thickness direction is limited by first locating block and second locating block, and then clamping can satisfy the clamping requirement for double-ear blank parting line burr automatic polishing.

Description

Technical Field

[0001] This utility model relates to the field of grinding fixture technology, and in particular to a fixture for automatic grinding of double-eared blanks. Background Technology

[0002] For some complex or special-shaped casting blanks, burrs are typically removed manually by grinding. However, manual grinding suffers from incomplete cleaning and residue, and the grinding angle needs constant adjustment based on the shape, making manual grinding prone to fatigue and inefficient. Due to the development of industrial robots in recent years, their functionality and stability are increasingly meeting the needs of intelligent grinding of various casting blanks. Currently, there is a type of casting blank with double lower connecting ears, such as... Figure 1 As shown, it includes a body 11, two connecting ears 12 at one end of the body 11, a locking part 13 at the other end of the body 11, and two opposing protrusions 14 on the arc-shaped outer wall of the body 11. To achieve burr grinding of the parting line of the lower connecting double-ear blank, a stable and reliable fixture needs to be designed to ensure the automatic grinding effect and quality. Utility Model Content

[0003] This invention provides a fixture for automatic grinding of double-eared blanks to solve the above-mentioned technical problems.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows: A fixture for automatic grinding of double-ear blanks includes a positioning component and a clamping component. The clamping component is used to press the double-ear blanks onto the positioning component. The positioning component includes: two first positioning surfaces, a transverse positioning component, and a second positioning surface. The two first positioning surfaces respectively mate with the arc-shaped outer peripheral surface of the connecting ear of the double-ear blank for positioning; The lateral positioning component includes a first positioning block located between two first positioning surfaces and a second positioning block disposed opposite to the first positioning block. The first positioning block and the second positioning block respectively abut against the two end faces of the same connecting ear. The second positioning surface mates with the lower surface of the locking part of the double-ear blank for positioning.

[0005] Preferably, the positioning component includes a first base block, and the upper end of the first base block is provided with two opposing and spaced-apart V-shaped positioning blocks, each V-shaped positioning block having a V-shaped first positioning surface.

[0006] Preferably, the positioning component includes a second base block, the upper end of which has a V-shaped second positioning surface, the orientation of which is perpendicular to the orientation of the first positioning surface.

[0007] Preferably, the first positioning block is fixed at the upper end of the first base block and located between the two V-shaped positioning blocks, and the second positioning block is fixed on the side wall of the first base block; the first positioning block is provided with a ball-head plunger for pressing against the end face of the connecting ear, and the second positioning block is provided with a positioning screw for abutting against the end face of the connecting ear.

[0008] Preferably, the first base block and the second base block are fixed on the base plate.

[0009] Preferably, the base plate is provided with two sets of locating pin sleeves for engaging with the locating pins.

[0010] Preferably, the clamping component is a lever clamping cylinder, with the lever arm of the lever clamping cylinder located between the two protrusions of the double-ear blank, and the lever arm of the lever clamping cylinder pressing the body of the double-ear blank.

[0011] Preferably, the clamping component further includes a positioning pin, which is vertically fixed on the lever arm of the lever clamping cylinder. When the lever clamping cylinder clamps, the positioning pin presses against the outer wall of the body between the two protrusions of the double-ear blank.

[0012] Preferably, the lever clamping cylinder is mounted on the mounting base, and a gas distribution block for gas diversion is provided below the mounting base.

[0013] Preferably, it includes two sets of symmetrically arranged positioning components and clamping components.

[0014] Beneficial effects: This application discloses a fixture for automatic grinding of double-ear blanks. By setting a first positioning surface and a second positioning surface to position the connecting ears and locking part of the double-ear blank, the fixture further defines the position of the connecting ears along their thickness direction by setting a first positioning block and a second positioning block that are arranged opposite to each other, thereby achieving accurate positioning of the double-ear blank. Then, the fixture presses the double-ear blank together by clamping components to ensure stable and reliable positioning and fixing of the double-ear blank, which can meet the clamping requirements for automatic grinding of burrs on the parting line of double-ear blanks. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the lower connecting double-ear blank; Figure 2 This utility model discloses a structural schematic diagram of a fixture for automatic grinding of double-eared blanks. Figure 1 ; Figure 3 This utility model discloses a structural schematic diagram of a fixture for automatic grinding of double-eared blanks. Figure 2 ; Figure 4 This is a front view of a fixture for automatic grinding of double-eared blanks disclosed in this utility model; Figure 5 for Figure 4 A magnified view of part I; Figure 6 This is a schematic diagram of the structure of a fixture assembly consisting of a first base block and a transverse positioning component for automatic grinding of double-eared blanks disclosed in this utility model. Figure 7 This is a schematic diagram of the structure of a fixture assembly consisting of a first base block and a V-shaped positioning block for automatic grinding of double-eared blanks disclosed in this utility model. Figure 8 This is a schematic diagram of the structure of the second base block of a fixture for automatic grinding of double-eared blanks disclosed in this utility model.

[0017] 1. First positioning surface; 2. Second positioning surface; 31. First positioning block; 32. Second positioning block; 33. Ball head plunger; 34. Positioning screw; 4. First base block; 41. V-shaped positioning block; 5. Second base block; 6. Lever clamping cylinder; 61. Positioning pin; 7. Base plate; 71. Positioning pin sleeve; 72. Mounting seat; 73. Air distribution block; 11. Body; 12. Connecting ear; 13. Locking part; 14. Protrusion. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] A fixture for automatic grinding of double-eared blanks, combined with Figures 1-8As shown, it includes a positioning component and a clamping component. The clamping component is used to press the double-ear blank onto the positioning component. The positioning component includes two first positioning surfaces 1, a lateral positioning component, and a second positioning surface 2. The two first positioning surfaces 1 respectively cooperate with the arc-shaped outer peripheral surface of the connecting ear 12 of the double-ear blank for positioning. The lateral positioning component includes a first positioning block 31 located between the two first positioning surfaces 1 and a second positioning block 32 disposed opposite to the first positioning block 31. The first positioning block 31 and the second positioning block 32 respectively abut against the two end faces of the same connecting ear 12. The second positioning surface 2 cooperates with the lower surface of the locking part 13 of the double-ear blank for positioning. This application positions the connecting ear 12 and locking part 13 of the double-ear blank by setting the first positioning surface 1 and the second positioning surface 2, and then limits the position of the connecting ear 12 along its thickness direction by the relatively set first positioning block 31 and the second positioning block 32, so as to achieve accurate positioning of the double-ear blank; then the clamping component presses the double-ear blank to ensure stable and reliable positioning and fixing of the double-ear blank, which can meet the clamping requirements for automatic burr grinding of the parting line of the double-ear blank.

[0020] Preferably, the positioning component includes a first base block 4, and two opposing and spaced V-shaped positioning blocks 41 are fixed at the upper end of the first base block 4. The V-shaped positioning blocks 41 have a V-shaped first positioning surface 1, and the first positioning surface 1 is tangent to the arc-shaped outer peripheral surface of the connecting ear 12 to achieve positioning.

[0021] Preferably, the positioning component includes a second base block 5, the upper end of the second base block 5 has a V-shaped second positioning surface 2, the direction of the second positioning surface 2 is perpendicular to the direction of the first positioning surface 1; the second positioning surface 2 is tangent to the rounded corners on both sides of the lower surface of the locking part 13 to achieve positioning.

[0022] Preferably, the first positioning block 31 is fixed to the upper end of the first base block 4 and located between the two V-shaped positioning blocks 41, and the second positioning block 32 is fixed to the side wall of the first base block 4; the first positioning block 31 is provided with a ball-head plunger 33 for pressing against the end face of the connecting ear 12, and the second positioning block 32 is provided with a positioning screw 34 for abutting against the end face of the connecting ear 12. When placing the double-ear blank, one of its connecting ears 12 is inserted between the steel ball of the ball-head plunger 33 and the end of the positioning screw 34. The steel ball of the ball-head plunger 33 can retract by compressing the internal spring to facilitate the placement of the double-ear blank; after the double-ear blank is placed in the first base block 4 and the second base block 5, the steel ball of the ball-head plunger 33 pushes the end of the connecting ear 12 against the end of the positioning screw 34 under the action of the internal spring, and the steel ball of the ball-head plunger 33 presses the other end of the connecting ear 12 to achieve the positioning of the double-ear blank in the lateral direction, that is, to limit the position of the connecting ear 12 along its thickness direction.

[0023] Preferably, the first base block 4 and the second base block 5 are fixed to the base plate 7 by screws, which facilitates fixed connection with the worktable of the grinding equipment by screws or bolts.

[0024] Preferably, the base plate 7 is provided with two sets of positioning pin sleeves 71 for engaging with positioning pins. The positioning pin sleeves 71 are fixed in the positioning countersunk holes opened on the base plate 7 by screws. After the positioning pin sleeves 71 engage with the positioning pins of the worktable, the positioning of the base plate 7 can be achieved.

[0025] Preferably, the clamping component is a lever clamping cylinder 6, with the lever arm of the lever clamping cylinder 6 located between the two protrusions 14 of the double-ear blank, and the lever arm of the lever clamping cylinder 6 presses against the body 11 of the double-ear blank. By pressing the center position of the double-ear blank, the offset of the double-ear blank after clamping can be avoided.

[0026] Preferably, the clamping component further includes a positioning pin 61. The upper end of the positioning pin 61 is vertically fixed to the lever arm of the lever clamping cylinder 6 by a threaded connection. When the lever clamping cylinder 6 clamps, the lower end of the positioning pin 61 is pressed against the outer wall of the body 11 between the two protrusions 14 of the double-ear blank, reducing the height of the clamping position and avoiding interference with the grinding of the grinding equipment.

[0027] Preferably, it includes two sets of symmetrically arranged positioning components and clamping components, so that the fixture can clamp two double-ear blanks to improve grinding efficiency.

[0028] Preferably, the lever clamping cylinder 6 is mounted on the mounting base 72, and a gas distribution block 73 for gas diversion is provided below the mounting base 72. The gas distribution block 73 is connected to two pipelines to supply gas to the two lever clamping cylinders 6 respectively.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fixture for automatic grinding of double-eared blanks, characterized in that, It includes a positioning component and a clamping component, wherein the clamping component is used to press the double-ear blank onto the positioning component; the positioning component includes: two first positioning surfaces (1), a transverse positioning component and a second positioning surface (2). The two first positioning surfaces (1) respectively mate with the arc-shaped outer peripheral surface of the connecting ear (12) of the double-ear blank for positioning; The lateral positioning component includes a first positioning block (31) located between two first positioning surfaces (1) and a second positioning block (32) disposed opposite to the first positioning block (31). The first positioning block (31) and the second positioning block (32) respectively abut against the two end faces of the same connecting ear (12). The second positioning surface (2) engages with the lower surface of the locking part (13) of the double-ear blank for positioning.

2. The fixture for automatic grinding of double-eared blanks according to claim 1, characterized in that, The positioning component includes a first base block (4), and the upper end of the first base block (4) is provided with two opposing and spaced V-shaped positioning blocks (41), and the V-shaped positioning blocks (41) have a V-shaped first positioning surface (1).

3. A fixture for automatic grinding of double-eared blanks according to claim 2, characterized in that, The positioning component includes a second base block (5), the upper end of which has a V-shaped second positioning surface (2), the orientation of which is perpendicular to the orientation of the first positioning surface (1).

4. A fixture for automatic grinding of double-eared blanks according to claim 3, characterized in that, The first positioning block (31) is fixed at the upper end of the first base block (4) and located between two V-shaped positioning blocks (41), and the second positioning block (32) is fixed on the side wall of the first base block (4); the first positioning block (31) is provided with a ball-head plunger (33) for pressing against the end face of the connecting ear (12), and the second positioning block (32) is provided with a positioning screw (34) for abutting against the end face of the connecting ear (12).

5. A fixture for automatic grinding of double-eared blanks according to claim 4, characterized in that, The first base block (4) and the second base block (5) are fixed on the base plate (7).

6. A fixture for automatic grinding of double-eared blanks according to claim 5, characterized in that, The base plate (7) is provided with two sets of positioning pin sleeves (71) for positioning pin engagement.

7. A fixture for automatic grinding of double-eared blanks according to claim 1, characterized in that, The clamping component adopts a lever clamping cylinder (6). The lever arm of the lever clamping cylinder (6) is located between the two protrusions (14) of the double-ear blank. The lever arm of the lever clamping cylinder (6) presses the body (11) of the double-ear blank.

8. A fixture for automatic grinding of double-eared blanks according to claim 7, characterized in that, The clamping component also includes a positioning pin (61), which is vertically fixed on the lever arm of the lever clamping cylinder (6). When the lever clamping cylinder (6) clamps, the positioning pin (61) is pressed against the outer wall of the body (11) between the two protrusions (14) of the double-ear blank.

9. A fixture for automatic grinding of double-eared blanks according to claim 7, characterized in that, The lever clamping cylinder (6) is mounted on the mounting base (72), and a gas splitter (73) for gas splitting is provided below the mounting base (72).

10. A fixture for automatic grinding of double-eared blanks according to any one of claims 1-9, characterized in that, It includes two sets of symmetrically arranged positioning components and clamping components.

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