Angle clamp for V-shaped cylinder body machining

Abstract

The utility model discloses an angle clamp for processing a V-shaped cylinder body, which relates to the technical field of automobile manufacturing, and comprises a base, the base comprises a bottom plate and a workbench arranged on the bottom plate, the workbench is provided with an inclined working surface, the working surface is provided with a plurality of lifting pin mechanisms, and each lifting pin mechanism comprises a connecting shaft, a pin seat and a cylindrical pin; a handle is arranged at one end of the connecting shaft, and a gear ring is arranged at the other end of the connecting shaft; the pin seat is embedded in the working surface; the cylindrical pin is inserted in the pin seat in a lifting mode, and a rack meshed with the gear ring is arranged on the side face of the cylindrical pin. According to the utility model, the fixture is designed into the fixed 30-degree inclined base, so that the front and rear end faces and the follow-up chamber face on one side of a single edge can be completely processed by one-time clamping, a cutter and the fixture are not interfered, and a pressing point and a supporting point of the fixture are reasonably clamped without deformation.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to an angle clamp for processing a V-shaped cylinder body. Background Art

[0002] When machining a large engine V-shaped cylinder block, it needs to be precisely positioned. Currently, there is a lack of dedicated angle fixtures, which causes the pressure points and support points of ordinary fixtures to be easily deformed and easily interfere with the tool, affecting work efficiency. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide an angle clamp for V-type cylinder body processing. The clamp is designed as a fixed 30° inclined base, which can complete all processing contents of the front and rear end faces and the follower chamber surface on one side of the sequence with one clamping, and there is no interference between the tool and the clamp, and the clamp pressure point and the support point are reasonably clamped without deformation.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: an angle clamp for V-type cylinder body processing, including a base, the base including a bottom plate and a workbench arranged on the bottom plate, the workbench is provided with an inclined working surface, the working surface is provided with a plurality of lifting pin mechanisms, the lifting pin mechanism includes a connecting shaft, a pin seat and a cylindrical pin; a handle is provided at one end of the connecting shaft, and a gear ring is provided at the other end of the connecting shaft; the pin seat is embedded in the working surface; the cylindrical pin is liftably inserted in the pin seat, and the side of the cylindrical pin is provided with a rack meshing with the gear ring.

[0005] A further improvement is that a limit screw is provided at a position of the connecting shaft close to the gear ring.

[0006] A further improvement is that the working surface is of a rectangular structure, and four lifting pin mechanisms are provided, each located at the top corner of the working surface.

[0007] Further improvements are: a number of clamping mechanisms are also arranged on the working surface, and the clamping mechanisms include contour pads and a first adjusting bolt; the contour pads are fixedly arranged on the working surface, the first adjusting bolt is located next to the contour pads, and the lower end of the first adjusting bolt is connected to the working surface through a connecting seat, and the upper end of the first adjusting bolt is provided with a pressure plate that matches the contour pads.

[0008] A further improvement is that: a plurality of supporting mechanisms are also arranged on the working surface; the supporting mechanism comprises a mounting seat arranged on the working surface, a second adjusting bolt is screwed laterally onto the mounting seat, and a supporting block is arranged at the end of the second adjusting bolt.

[0009] A further improvement is that a plurality of first positioning mechanisms are also arranged on the working surface, the first positioning mechanism is an L-shaped structure, including a first fixed block, a first supporting block and a first positioning block, the inner side surface of the first supporting block is an inclined surface, and the first positioning block is fixedly installed on the inclined surface of the first supporting block.

[0010] A further improvement is that a plurality of second positioning mechanisms are also arranged on the working surface, the second positioning mechanisms include a second fixed block installed on the working surface, a second supporting block is obliquely arranged on the second fixed block, and a second positioning block is fixedly arranged on the second supporting block.

[0011] A further improvement is that a reinforcing rib is provided between the second fixing block and the second supporting block.

[0012] A further improvement is that the pressing mechanism, the holding mechanism, the first positioning mechanism and the second positioning mechanism are respectively arranged at the edges of the working surface.

[0013] A further improvement is that a slide rail is arranged on the bottom plate, and the workbench is slidably arranged on the slide rail.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, the fixture is designed as a fixed 30° inclined base, and all processing contents of the front and rear end faces and the follower chamber face on one side of the sequence can be completed in one clamping, and there is no interference between the tool and the fixture, and the clamp pressure point and the support point are reasonably clamped without deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the angle fixture for processing a V-shaped cylinder body in an embodiment of the utility model;

[0017] Figure 2 It is a side view of the angle fixture for processing a V-shaped cylinder body in an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the working surface in the embodiment of the utility model;

[0019] Figure 4 This is a structural schematic diagram of the lifting pin mechanism in the embodiment of the utility model;

[0020] Figure 5 for Figure 4 Sectional view along AA direction;

[0021] Figure 6 for Figure 4 Cross-sectional view along the BB direction;

[0022] Figure 7 This is a structural schematic diagram of the clamping mechanism in the embodiment of the utility model;

[0023] Figure 8 This is a structural schematic diagram of the holding mechanism in the embodiment of the utility model;

[0024] Fig. 9 This is a schematic diagram of the structure of the first positioning mechanism in the embodiment of the utility model;

[0025] Fig.10 This is a front view of the second positioning mechanism in the embodiment of the utility model;

[0026] Fig.11 It is a rear view of the second positioning mechanism in the embodiment of the utility model.

[0027] Reference numerals:

[0028] 1-base; 11-bottom plate; 12-workbench; 13-work surface; 14-slide rail;

[0029] 2-lifting pin mechanism; 21-pin seat; 22-cylindrical pin; 23-rack; 24-connecting shaft; 25-gear ring; 26-handle; 27-limit screw;

[0030] 3-clamping mechanism; 31-first adjusting bolt; 32-pressing plate; 33-equal height pad;

[0031] 4-holding mechanism; 41-mounting seat; 42-second adjusting bolt; 43-holding block;

[0032] 5-first positioning mechanism; 51-first fixing block; 52-first supporting block; 53-first positioning block;

[0033] 6-second positioning mechanism; 61-second fixing block; 62-second supporting block; 63-reinforcement rib; 64-second positioning block; DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0035] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0037] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the second feature.

[0039] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0040] See also Figure 1 to Figure 3As shown, an embodiment of the utility model provides an angle clamp for V-type cylinder body processing, including a base 1, the base 1 includes a bottom plate 11 and a workbench 12 arranged on the bottom plate 11, and the workbench 12 is provided with an inclined working surface 13. Specifically, a slide rail 14 is provided on the bottom plate 11, and the workbench 12 is slidably arranged on the slide rail 14.

[0041] See also Figures 4 to 6 As shown, a plurality of lifting pin mechanisms 2 are arranged on the working surface 13, and the lifting pin mechanisms 2 include a connecting shaft 24, a pin seat 21 and a cylindrical pin 22; a handle 26 is arranged at one end of the connecting shaft 24, and a gear ring 25 is arranged at the other end of the connecting shaft 24; the pin seat 21 is embedded in the working surface 13; the cylindrical pin 22 can be lifted and inserted in the pin seat 21, and a rack 23 meshing with the gear ring 25 is arranged on the side of the cylindrical pin 22. Specifically, a limit screw 27 is arranged at a position of the connecting shaft 24 near the gear ring 25. The working surface 13 is a rectangular structure, and four lifting pin mechanisms 2 are arranged, which are respectively located at the top corners of the working surface 13.

[0042] See also Figure 7 As shown, a plurality of clamping mechanisms 3 are also provided on the working surface 13, and the clamping mechanism 3 includes a contour pad 33 and a first adjusting bolt 31; the contour pad 33 is fixedly provided on the working surface 13, and the first adjusting bolt 31 is located next to the contour pad 33, and the lower end of the first adjusting bolt 31 is connected to the working surface 13 through a connecting seat, and the upper end of the first adjusting bolt 31 is provided with a pressing plate 32 adapted to the contour pad 33.

[0043] See also Figure 8 As shown, a plurality of abutting mechanisms 4 are also provided on the working surface 13 ; the abutting mechanisms 4 include a mounting seat 41 provided on the working surface 13 , a second adjusting bolt 42 is screwed laterally onto the mounting seat 41 , and an abutting block 43 is provided at the end of the second adjusting bolt 42 .

[0044] See also Fig. 9 As shown, a plurality of first positioning mechanisms 5 are also provided on the working surface 13. The first positioning mechanism 5 is an L-shaped structure, including a first fixed block 51, a first supporting block 52 and a first positioning block 53. The inner side surface of the first supporting block 52 is an inclined surface, and the first positioning block 53 is fixedly installed on the inclined surface of the first supporting block 52.

[0045] See also Fig.10 and Fig.11As shown, a plurality of second positioning mechanisms 6 are also provided on the working surface 13, and the second positioning mechanisms 6 include a second fixed block 61 installed on the working surface 13, a second support block 62 is obliquely provided on the second fixed block 61, and a second positioning block 64 is fixedly provided on the second support block 62. Specifically, a reinforcing rib 63 is provided between the second fixed block 61 and the second support block 62. The pressing mechanism 3, the abutting mechanism 4, the first positioning mechanism 5 and the second positioning mechanism 6 are respectively provided at the edges of the working surface 13.

[0046] The utility model has a compact and simple structure and high reliability. The fixture is designed with a rough positioning of the workpiece, which can protect the positioning surface. The fixture is positioned by a manual positioning pin, and the manual positioning pin is accurately positioned through the bottom surface process hole. The contour pad is accurately positioned through the bottom surface of the oil pan. The fixture is pressed by a manual pressing plate to press the surrounding cylinder oil pan edge.

[0047] The working principle of the utility model is:

[0048] Fixture loading: The posture of the V-shaped cylinder body is that the front end of the cylinder body faces forward and the bottom of the cylinder body faces downward.

[0049] Process posture: The V-shaped cylinder body is kept at 30° for hoisting and enters the fixture.

[0050] Manual operation process: The operator cleans the fixture and workpiece---uses the crane to lift the cylinder body from the feeding station of the line-side logistics roller conveyor to the fixture, and follows the fixture guide to the fixture pre-positioning position, removes the hook, and moves the crane to a safe position---manually clamps the workpiece---exits the machine tool processing area---presses the button and automatically closes the machine tool door---starts the detection and processing program---the machine tool automatically detects and processes---rinses the machine tool and cylinder body---the machine tool door automatically opens after the processing is completed---the operator enters the machine tool after confirmation to release the fixture---uses the crane to lift the workpiece out of the fixture and puts it back on the line-side logistics roller conveyor smoothly.

[0051] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0052] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. An angle fixture for V-shaped cylinder body processing, comprising a base (1), characterized in that: The base (1) comprises a bottom plate (11) and a workbench (12) arranged on the bottom plate (11); the workbench (12) is provided with an inclined work surface (13); the work surface (13) is provided with a plurality of lifting pin mechanisms (2); the lifting pin mechanisms (2) comprise a connecting shaft (24), a pin seat (21) and a cylindrical pin (22); one end of the connecting shaft (24) is provided with a handle (26), and the other end of the connecting shaft (24) is provided with a gear ring (25); the pin seat (21) is embedded in the work surface (13); the cylindrical pin (22) is inserted into the pin seat (21) in a liftable manner, and a rack (23) meshing with the gear ring (25) is provided on the side of the cylindrical pin (22).

2. The angle clamp for V-shaped cylinder processing according to claim 1, characterized in that: A limit screw (27) is provided at a position of the connecting shaft (24) close to the gear ring (25).

3. The angle clamp for V-shaped cylinder processing according to claim 1, characterized in that: The working surface (13) is of a rectangular structure, and four lifting pin mechanisms (2) are provided, each of which is located at the top corners of the working surface (13).

4. The angle clamp for V-shaped cylinder processing according to claim 1, characterized in that: A plurality of clamping mechanisms (3) are also provided on the working surface (13), and the clamping mechanisms (3) include a contour pad (33) and a first adjusting bolt (31); the contour pad (33) is fixedly provided on the working surface (13), the first adjusting bolt (31) is located next to the contour pad (33), and the lower end of the first adjusting bolt (31) is connected to the working surface (13) via a connecting seat, and the upper end of the first adjusting bolt (31) is provided with a pressing plate (32) adapted to the contour pad (33).

5. The angle clamp for V-shaped cylinder processing according to claim 4, characterized in that: A plurality of abutting mechanisms (4) are also provided on the working surface (13); the abutting mechanisms (4) include a mounting seat (41) provided on the working surface (13); a second adjusting bolt (42) is laterally screwed onto the mounting seat (41); and an abutting block (43) is provided at the end of the second adjusting bolt (42).

6. The angle clamp for V-shaped cylinder processing according to claim 5, characterized in that: A plurality of first positioning mechanisms (5) are also provided on the working surface (13). The first positioning mechanisms (5) are L-shaped structures and include a first fixing block (51), a first supporting block (52) and a first positioning block (53). The inner side surface of the first supporting block (52) is an inclined surface, and the first positioning block (53) is fixedly mounted on the inclined surface of the first supporting block (52).

7. The angle clamp for machining a V-shaped cylinder according to claim 6, characterized in that: A plurality of second positioning mechanisms (6) are also arranged on the working surface (13), the second positioning mechanisms (6) comprising a second fixed block (61) mounted on the working surface (13), a second supporting block (62) being obliquely arranged on the second fixed block (61), and a second positioning block (64) being fixedly arranged on the second supporting block (62).

8. The angle clamp for machining a V-shaped cylinder according to claim 7, characterized in that: A reinforcing rib (63) is provided between the second fixing block (61) and the second supporting block (62).

9. The angle clamp for machining a V-shaped cylinder according to claim 7, characterized in that: The pressing mechanism (3), the abutting mechanism (4), the first positioning mechanism (5) and the second positioning mechanism (6) are respectively arranged at the edges of the working surface (13).

10. The angle clamp for V-shaped cylinder processing according to claim 1, characterized in that: A slide rail (14) is arranged on the bottom plate (11), and the workbench (12) is slidably arranged on the slide rail (14).

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