CN219130863U

CN219130863U - Engine connecting rod hole adds clamping apparatus

Info

Publication number: CN219130863U
Application number: CN202223556692.7U
Authority: CN
Inventors: 王平超; 周伟
Original assignee: Shandong Connecting Rod General Factory Co ltd
Current assignee: Shandong Connecting Rod General Factory Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-06
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of machining fixtures, in particular to an engine connecting rod hole machining fixture, which comprises a base, wherein a supporting piece is arranged at the lower end of the base, an arc-shaped block is fixedly connected to the upper end of the base close to the edge of the rear part, a connecting rod main body is attached to the upper end of the base, the rear end of the connecting rod main body is attached to the arc surface of the arc-shaped block, and an arc-shaped plate is attached to one end, far away from the arc-shaped block, of the connecting rod main body, and the utility model has the beneficial effects that: through the cooperation use between base, support piece, arc piece, connecting rod main part, arc, screw rod, square, adjustment mechanism, pushing mechanism, retaining member, inclined baffle, macropore and the aperture, can carry out the centre gripping to the elbow connecting rod of same kind of V type engine respectively and the straight connecting rod of inline engine and fix, need not to prepare two sets of different anchor clamps specially, reduced input cost to a certain extent.

Description

Engine connecting rod hole adds clamping apparatus

Technical Field

The utility model relates to the technical field of machining fixtures, in particular to an engine connecting rod hole machining fixture.

Background

The engine connecting rod is one of the main transmission components in an automobile engine, and serves to couple a piston and a crankshaft and change the reciprocating linear motion of the piston into the rotary motion of the crankshaft to output power. The engine connecting rod is required to drill two large and small holes on the engine connecting rod for assembly in the machining process, the engine connecting rod is required to be matched with a clamp to fix the engine connecting rod when the engine connecting rod is drilled, the engine connecting rod is divided into a straight connecting rod and an elbow connecting rod, the straight connecting rod is used for an in-line engine, and the elbow connecting rod is used for a V-shaped engine.

However, when the conventional clamp is used for fixing the same type of straight connecting rod and elbow connecting rod, two different sets of clamps are required to be prepared for respectively clamping and fixing the straight connecting rod and the elbow connecting rod, so that the input cost is increased to a certain extent in the design and manufacture of the clamp.

Disclosure of Invention

The utility model aims to provide an engine connecting rod hole machining clamp which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an engine connecting rod hole adds clamping apparatus, includes the base, the lower extreme of base is equipped with support piece, and the upper end of base is close to rear portion edge fixedly connected with arc piece, and the upper end laminating of base has the connecting rod main part, the rear end of connecting rod main part is laminated mutually with the arcwall face of arc piece, the one end laminating that the arc piece was kept away from to the connecting rod main part has the arc, the arc laminating is in the upper end of base, and the one end rotation that the connecting rod main part was kept away from to the arc is connected with the screw rod, the outer wall thread bush of screw rod is equipped with the square, be equipped with adjustment mechanism between square and the base, be equipped with pushing mechanism between connecting rod main part and the base, the upper end of base is close to the mid position and has the inclined baffle through retaining member fixed mounting, the inclined baffle laminating is in outer wall one side of connecting rod main part, the upper end of base corresponds connecting rod main part department from front to back and has seted up macropore and aperture in proper order.

Preferably, the support piece comprises four L-shaped blocks, and the four L-shaped blocks are respectively and fixedly connected to four corners of the lower end of the base.

Preferably, the adjustment mechanism comprises an arc-shaped groove, the arc-shaped groove is penetrated and arranged at the front edge of the upper end of the base, clamping grooves are formed in two edge parts of the inner wall of the arc-shaped groove, an arc-shaped slide block is attached to one cambered surface of the inner side of the arc-shaped groove, a clamping block is extended from the outer wall of the arc-shaped slide block, the clamping block is in sliding fit with one clamping groove, the upper end of the arc-shaped slide block is fixedly connected with the lower end of the square, a limiting plate is fixedly connected with the bottom end of the arc-shaped slide block, and the upper end of the limiting plate is attached to the lower end of the base.

Preferably, the pushing mechanism comprises a cylinder and a stud, the cylinder is fixedly connected to the upper end of the base, the cylinder is located at one side of the rod body of the connecting rod body, the top end of the cylinder is hinged with a pressing plate, one end of the pressing plate, far away from the cylinder, is provided with a groove, the stud is inserted and screwed into the inner wall of the upper end of the base, the stud is located at the other side of the rod body of the connecting rod body, the stud corresponds to the cylinder, the stud is located at the inner side of the groove, a nut is fixedly sleeved on the outer wall of the stud, the nut is attached to the upper end of the pressing plate, and the pressing plate is attached to the upper end of the rod body of the connecting rod body.

Preferably, the locking piece comprises two symmetrical screws, the two screws vertically penetrate through the inner wall of the inclined baffle plate, and the two screws are inserted and screwed into the inner wall of the upper end of the base.

Preferably, one end of the screw, which is far away from the arc-shaped plate, is fixedly connected with a rotating block.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation use between base, support piece, arc piece, connecting rod main part, arc, screw rod, square, adjustment mechanism, pushing mechanism, retaining member, inclined baffle, macropore and the aperture, can carry out the centre gripping to the elbow connecting rod of same kind of V type engine respectively and the straight connecting rod of inline engine and fix, need not to prepare two sets of different anchor clamps specially, reduced input cost to a certain extent.

Drawings

FIG. 1 is a fixed schematic illustration of a V-engine connecting rod of the present utility model;

FIG. 2 is a fixed schematic illustration of an in-line engine connecting rod of the present utility model;

FIG. 3 is an illustration of a connecting rod, cylinder, platen, stud, nut and groove of the present utility model;

FIG. 4 is an illustration of an arcuate plate, square, screw, rotating block, arcuate slider, limiting plate and fixture block of the present utility model;

FIG. 5 is an illustration of a base, arcuate slot, clamping slot, L-shaped block, large aperture and small aperture of the present utility model;

fig. 6 is a partial cross-sectional view of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows: 1. a base; 2. an arc-shaped block; 3. a connecting rod main body; 4. an arc-shaped groove; 5. a clamping groove; 6. an arc-shaped plate; 7. a square block; 8. a screw; 9. a rotating block; 10. a cylinder; 11. a pressing plate; 12. a stud; 13. a nut; 14. a groove; 15. a bevel baffle; 16. a screw; 17. an arc-shaped sliding block; 18. a limiting plate; 19. a clamping block; 20. an L-shaped block; 21. a large hole; 22. and (3) small holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, an engine connecting rod hole machining fixture in the illustration comprises a base 1, a supporting piece is arranged at the lower end of the base 1, an arc-shaped block 2 is fixedly connected to the upper end of the base 1 close to the edge of the rear portion, a connecting rod main body 3 is attached to the upper end of the base 1, the rear end of the connecting rod main body 3 is attached to the arc-shaped surface of the arc-shaped block 2, an arc-shaped plate 6 is attached to one end, away from the arc-shaped block 2, of the connecting rod main body 3, the arc-shaped plate 6 is attached to the upper end of the base 1, one end, away from the connecting rod main body 3, of the arc-shaped plate 6 is rotationally connected with a screw rod 8, a square block 7 is sleeved on the outer wall thread of the screw rod 8, an adjusting mechanism is arranged between the square block 7 and the base 1, a pressing mechanism is arranged between the connecting rod main body 3 and the base 1, an inclined baffle 15 is attached to one side of the outer wall of the connecting rod main body 3 through a locking piece fixedly mounted at the position, and a large hole 21 and a small hole 22 are sequentially formed in the front and rear of the position of the upper end of the base 1 corresponding to the connecting rod main body 3.

Referring to fig. 1, 2 and 5, the support member includes four L-shaped blocks 20, and the four L-shaped blocks 20 are respectively and fixedly connected to four corners of the lower end of the base 1.

Referring to fig. 1-3, the pressing mechanism in the drawings includes a cylinder 10 and a stud 12, the cylinder 10 is fixedly connected to the upper end of the base 1, the cylinder 10 is located at one side of the shaft of the connecting rod main body 3, the top end of the cylinder 10 is hinged with a pressing plate 11, one end of the pressing plate 11 far away from the cylinder 10 is provided with a groove 14, the stud 12 is inserted and screwed into the inner wall of the upper end of the base 1, the stud 12 is located at the other side of the shaft of the connecting rod main body 3, the stud 12 corresponds to the cylinder 10, the stud 12 is located at the inner side of the groove 14, a nut 13 is fixedly sleeved on the outer wall of the stud 12, the nut 13 is attached to the upper end of the pressing plate 11, and the pressing plate 11 is attached to the upper end of the shaft of the connecting rod main body 3.

Referring to fig. 1, 2, 4 and 6, a rotating block 9 is fixedly connected to one end of the screw 8 away from the arc plate 6.

In this embodiment, when the clamp is used to clamp and fix the V-shaped engine connecting rod, firstly, the corresponding connecting rod main body 3 is placed at the upper end of the base 1, the smaller end of the connecting rod main body 3 is attached to the arc surface of the arc block 2, meanwhile, one side of the larger end of the connecting rod main body 3 is attached to the outer wall of the inclined baffle 15, at the moment, the handheld rotating block 9 is pulled backwards, the rotating block 9 drives the screw rod 8 to move backwards synchronously with the square block 7, the square block 7 drives the arc slide block 17 to move backwards synchronously with the clamping block 19, the clamping block 19 can be corresponding to one clamping groove 5, at the moment, the rotating block 9 rotates synchronously with the screw rod 8, the threaded fit between the screw rod 8 and the square block 7 can enable the screw rod 8 to move towards the center of the larger end of the connecting rod main body 3, the arc plate 6 is synchronously moved, at the moment, the arc plate 6 can compress the connecting rod main body 3 between the inclined baffle 15 and the arc plate 6, at the moment, the pressing plate 11 is then rotated to enable the upper end of the connecting rod main body 3 to be attached to the inner wall of the base 1 along the groove 14, the pressing plate 13 is screwed tightly, and then the pressing plate 11 can be attached to the upper end of the pressing plate 11 is attached to the base 1; the base 1 can be supported by arranging four L-shaped blocks 20, and the connecting rod main body 3 can penetrate through the base 1 when the large hole and the small hole are processed by arranging a large hole 21 and a small hole 22.

Example 2

Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, in this embodiment for further description of embodiment 1, in the drawings, the adjusting mechanism includes an arc-shaped groove 4, the arc-shaped groove 4 is penetratingly formed at the front edge of the upper end of the base 1, two edge portions of the inner wall of the arc-shaped groove 4 are provided with clamping grooves 5, an arc-shaped sliding block 17 is attached to an arc surface on the inner side of the arc-shaped groove 4, a clamping block 19 extends from the outer wall of the arc-shaped sliding block 17, the clamping block 19 is slidably matched with one of the clamping grooves 5, the upper end of the arc-shaped sliding block 17 is fixedly connected with the lower end of the square block 7, the bottom end of the arc-shaped sliding block 17 is fixedly connected with a limiting plate 18, and the upper end of the limiting plate 18 is attached to the lower end of the base 1.

Referring to fig. 1, the locking member includes two symmetrical screws 16, wherein the two screws 16 vertically penetrate through the inner wall of the inclined baffle 15, and the two screws 16 are inserted and screwed into the inner wall of the upper end of the base 1.

In this embodiment, when the present device is used to clamp and fix the in-line engine connecting rod, firstly, the two screws 16 are unscrewed, then the inclined baffle 15 is removed, then the block 7 is pushed towards the center of the arc-shaped groove 4, the block 7 drives the arc-shaped slide block 17 and the clamping block 19 to move synchronously until the clamping block 19 is separated from the clamping groove 5, at this time, the block 7 is moved towards the other end along the arc-shaped groove 4 until the block 7 moves to the head of the other end of the arc-shaped groove 4, at this time, the block 7 is pulled forwards, and the block 7 drives the arc-shaped slide block 17 and the clamping block 19 to move synchronously until the clamping block 19 corresponds to one of the clamping grooves 5; then the corresponding connecting rod main body 3 is placed at the upper end of the base 1, and the smaller end of the connecting rod main body 3 is attached to the arc surface of the arc-shaped block 2; then the rotating block 9 is rotated, at this moment, the rotating block 9 drives the screw rod 8 to synchronously rotate, the screw rod 8 and the square block 7 are in threaded fit so that the screw rod 8 moves backwards, the screw rod 8 drives the arc plate 6 to synchronously move backwards until the arc plate 6 presses the connecting rod main body 3 between the arc blocks 2, then the pressing plate 11 is rotated so that the pressing plate 11 is attached to the upper end of the connecting rod main body 3, at this moment, the stud 12 is screwed into the inner wall of the base 1 along the groove 14, and then the nut 13 is screwed so that the nut 13 is tightly attached to the upper end of the pressing plate 11, and at this moment, the pressing plate 11 can press the connecting rod main body 3 to the upper end of the base 1.

It is to be noted that the clamp can be used for clamping and fixing the elbow connecting rod of the same type V-shaped engine and the straight connecting rod of the in-line engine respectively, two different clamps do not need to be specially prepared, and the input cost is reduced to a certain extent.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine connecting rod hole adds clamping apparatus, includes base (1), its characterized in that: the lower extreme of base (1) is equipped with support piece, and the upper end of base (1) is close to rear portion edge fixedly connected with arc piece (2), and the upper end laminating of base (1) has connecting rod main part (3), the rear end of connecting rod main part (3) is laminated mutually with the arcwall face of arc piece (2), the one end laminating that arc piece (2) was kept away from to connecting rod main part (3) has arc (6), the upper end at base (1) is laminated to arc (6), and the one end rotation that connecting rod main part (3) was kept away from to arc (6) is connected with screw rod (8), the outer wall thread bush of screw rod (8) is equipped with square (7), be equipped with adjustment mechanism between square (7) and base (1), be equipped with down pressing mechanism between connecting rod main part (3) and base (1), the upper end of base (1) is close to middle part position and is through retaining member fixed mounting has oblique baffle (15), the outer wall one side of laminating at connecting rod main part (3), the upper end of base (1) corresponds connecting rod main part (3) and is equipped with aperture (21) backward in proper order.

2. The engine connecting rod hole machining fixture according to claim 1, wherein: the support piece comprises four L-shaped blocks (20), and the four L-shaped blocks (20) are respectively and fixedly connected to four corners of the lower end of the base (1).

3. The engine connecting rod hole machining fixture according to claim 1, wherein: the adjusting mechanism comprises an arc-shaped groove (4), wherein the arc-shaped groove (4) is formed in the front edge of the upper end of the base (1) in a penetrating mode, clamping grooves (5) are formed in two edge portions of the inner wall of the arc-shaped groove (4), an arc-shaped sliding block (17) is attached to one arc surface of the inner side of the arc-shaped groove (4), a clamping block (19) is arranged on the outer wall of the arc-shaped sliding block (17) in an extending mode, the clamping block (19) is in sliding fit with one clamping groove (5), the upper end of the arc-shaped sliding block (17) is fixedly connected with the lower end of the square block (7), a limiting plate (18) is fixedly connected to the bottom end of the arc-shaped sliding block (17), and the upper end of the limiting plate (18) is attached to the lower end of the base (1).

4. The engine connecting rod hole machining fixture according to claim 1, wherein: the pushing mechanism comprises a cylinder (10) and a stud (12), wherein the cylinder (10) is fixedly connected to the upper end of the base (1), the cylinder (10) is located at one side of a rod body of the connecting rod main body (3), the top end of the cylinder (10) is hinged with a pressing plate (11), one end, far away from the cylinder (10), of the pressing plate (11) is provided with a groove (14), the stud (12) is inserted and screwed into the inner wall of the upper end of the base (1), the stud (12) is located at the other side of the rod body of the connecting rod main body (3), the stud (12) corresponds to the cylinder (10), the stud (12) is located at the inner side of the groove (14), a nut (13) is fixedly sleeved on the outer wall of the stud (12), the nut (13) is attached to the upper end of the pressing plate (11), and the pressing plate (11) is attached to the upper end of the rod body of the connecting rod main body (3).

5. The engine connecting rod hole machining fixture according to claim 1, wherein: the locking piece comprises two symmetrical screws (16), the two screws (16) vertically penetrate through the inner wall of the inclined baffle plate (15), and the two screws (16) are inserted and screwed into the inner wall of the upper end of the base (1).

6. The engine connecting rod hole machining fixture according to claim 1, wherein: one end of the screw rod (8) far away from the arc-shaped plate (6) is fixedly connected with a rotating block (9).