CN219881882U

CN219881882U - Positioning fixture for crankcase processing

Info

Publication number: CN219881882U
Application number: CN202321707599.3U
Authority: CN
Inventors: 袁新宇; 冯冬
Original assignee: WUHU RUIHE ELECTROMECHANICAL CO LTD
Current assignee: WUHU RUIHE ELECTROMECHANICAL CO LTD
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-10-24
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a positioning clamp for processing a crank case, which comprises a positioning clamp main body, wherein positioning clamp plates are symmetrically arranged on the positioning clamp main body, one end between the positioning clamp plates vertically penetrates through a positioning shaft, the positioning shaft enables the positioning clamp plates to form a V-shaped structure, one side of each positioning clamp plate is provided with a positioning seat, a movable limiting rod connected with the positioning clamp plates is movably penetrated through the positioning seats, a second fastening spring is penetrated through the movable limiting rod, a fastening clamp plate is also arranged on the positioning clamp main body, and the positioning clamp plates are symmetrically arranged about the central position of the fastening clamp plates, so that the fastening clamp plates and the positioning clamp plates form a triangular structure. The locating clamp for processing the crank case clamps and locates the crank case through the locating clamp plate which forms the V-shaped structure, and firmly clamps the crank case through the matching of the fastening clamp plate, is suitable for locating crank cases with different sizes and shapes, and is easy for processing the crank case.

Description

Positioning fixture for crankcase processing

Technical Field

The utility model relates to the technical field of crankcase processing, in particular to a positioning clamp for crankcase processing.

Background

The crankcase is a part of the lower part of the cylinder block for installing a crankshaft, and is divided into an upper crankcase and a lower crankcase. The upper crankcase is cast integrally with the cylinder block, and the lower crankcase is used for storing lubricating oil and closing the upper crankcase.

The existing crank case is generally of a special-shaped structure, the sizes of different crank cases are different, when the crank case is polished, assembled and the like, the adjusting treatment of the positioning clamp is needed according to the specific shape of the crank case, the positioning clamp is easy to loose in use for a long time, the stable positioning treatment of the crank case is affected, and therefore the processing positioning treatment of the crank case is affected.

Disclosure of Invention

The utility model aims to provide a positioning fixture for processing a crankcase, which aims to solve the problems that the crankcase in the prior market proposed by the background technology is generally of a special-shaped structure, the sizes of different crankcases are different, the positioning fixture is required to be adjusted according to the specific shape of the crankcase when the crankcase is polished, assembled and the like, and the positioning fixture is easy to loose in positioning after long service time, so that the stable positioning treatment of the crankcase is influenced, and the processing positioning treatment of the crankcase is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a positioning fixture for crankcase processing, includes the positioning fixture main part, the symmetry is equipped with the positioning splint in the positioning fixture main part, and wherein one end between the positioning splint vertically runs through there is the locating shaft, and the locating shaft makes can constitute V type structure between the positioning splint, one of them side of positioning splint all is equipped with the positioning seat, and the activity runs through in the positioning seat has the movable gag lever post of being connected with the positioning splint to it has the second fastening spring to run through on the movable gag lever post, still be equipped with the fastening splint in the positioning fixture main part, and the positioning splint sets up with the central point symmetry of fastening splint, lets fastening splint and positioning splint constitute triangular structure.

Preferably, the positioning fixture body is provided with a processing table, a strip-shaped through hole is formed in the processing table, a linear moving mechanism is arranged below the strip-shaped through hole of the processing table, and dust collection openings are symmetrically clamped between the linear moving mechanism and the processing table.

Preferably, the lower end of the processing table is fixedly provided with a supporting side plate through screws, a fixing frame is clamped between the processing table and the supporting side plate, a feeding and discharging limiting roller is movably arranged on the fixing frame, one end of the processing table is fixedly provided with a fixing seat through bolts, and the fixing seat is composed of two plate-shaped structures.

Preferably, a limiting hole with a circular arc structure is formed between the two plate-shaped structures of the fixing seat, and the circular arc structure of the limiting hole takes the positioning shaft as a round point.

Preferably, the movable limiting rod is of a circular arc structure, a circular arc through hole is formed in the movable limiting rod, and the movable limiting rod is movably connected with the limiting hole through insertion.

Preferably, the arc-shaped groove of the movable limiting rod is movably penetrated with a second limiting rod, the second limiting rod is vertically inserted into the positioning seat, and the second fastening spring is positioned between the positioning seat and the positioning clamping plate.

Preferably, the linear movement mechanism is movably provided with a movable seat through a screw rod structure, a first limiting rod of a U-shaped structure is movably penetrated on the movable seat, a first fastening spring is sleeved on the first limiting rod, and the end part of the first limiting rod is fixed with a fastening clamping plate through a screw.

Compared with the prior art, the utility model has the beneficial effects that: the locating clamp for processing the crank case clamps and locates the crank case through the locating clamp plate which forms the V-shaped structure, and firmly clamps the crank case through the matching of the fastening clamp plate, is suitable for locating crank cases with different sizes and shapes, and is easy for processing the crank case. This positioning fixture for crankcase processing is through the V type structure that the positioning seat constitutes to the positioning splint open the angle and is handled to the positioning of not unidimensional crankcase handles, and sets up fastening spring between positioning seat and the positioning splint, through fastening spring's rebound effort, has both improved the steadiness that the crankcase was fixed a position, can let the crankcase after finishing again and is released, easily the unloading of crankcase is handled.

Drawings

FIG. 1 is a schematic diagram of a positioning fixture for crankcase processing according to the utility model;

FIG. 2 is an enlarged schematic view of the positioning jig for crankcase processing of the present utility model shown in FIG. 1 at A;

fig. 3 is a side view of a locating clamp for crankcase processing according to the utility model.

In the figure: 1. positioning a clamp body; 2. positioning a shaft; 3. a limiting hole; 4. a fixing seat; 5. a movable limit rod; 6. positioning clamping plates; 7. a first fastening spring; 8. a positioning seat; 9. a processing table; 10. a linear movement mechanism; 11. a feeding and discharging limiting roller; 12. a fixing frame; 13. a fastening splint; 14. a movable seat; 15. a first stop lever; 16. a second fastening spring; 17. a second limit rod; 18. supporting the side plates; 19. a dust collection port.

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.

Referring to fig. 1-3, the present utility model provides a technical solution: the positioning fixture for crankcase processing comprises a positioning fixture main body 1, a processing table 9 is arranged on the positioning fixture main body 1, a strip-shaped through hole is formed in the processing table 9, a linear moving mechanism 10 is arranged below the strip-shaped through hole of the processing table 9, dust collection openings 19 are symmetrically clamped between the linear moving mechanism 10 and the processing table 9, the linear moving mechanism 10 is an existing screw rod linear moving mechanism, a motor drives the screw rod to rotate so as to carry out linear reciprocating movement treatment on an object, if scraps enter the through hole of the processing table 9, the dust collection openings 19 can be used for being connected with the dust collection mechanism for carrying out dust collection treatment so as to prevent the scraps from being clamped into the linear moving mechanism 10, supporting side plates 18 are fixed at the lower ends of the processing table 9 through screws, a fixing frame 12 is clamped between the processing table 9 and the supporting side plates 18, a feeding and discharging limiting roller 11 is movably arranged on the fixing frame 12, one end of the processing table 9 is fixedly provided with a fixing seat 4 through a bolt, the fixing seat 4 is formed by two plate-shaped structures, the structure fixing frame 12 is used for fixing the feeding and discharging limit roller 11, the feeding and discharging limit roller 11 guides the feeding and discharging of the crankcase, the crankcase is placed on the processing table 9 and then is positioned between the positioning clamping plate 6 and the fastening clamping plate 13, so that the fastening clamping plate 13 pushes the crankcase to clamp the crankcase between the V-shaped structures of the positioning clamping plate 6 and firmly positions the crankcase, the two plate-shaped structures of the fixing seat 4 are jointly provided with limit holes 3 with circular arc structures, the circular arc structures of the limit holes 3 take the positioning shaft 2 as round points, the structure fixing seat 4 can be firmly processed through the processing table 9, the positioning clamping plate 6 is symmetrically arranged on the positioning clamp main body 1, one end between the positioning clamping plates 6 vertically penetrates through the positioning shaft 2, the positioning shaft 2 enables the positioning clamping plates 6 to form a V-shaped structure, one side of the positioning clamping plates 6 is provided with a positioning seat 8, a movable limiting rod 5 connected with the positioning clamping plates 6 is movably penetrated in the positioning seat 8, the movable limiting rod 5 is of a circular arc structure, a circular arc through hole is formed in the movable limiting rod 5, the movable limiting rod 5 and the limiting hole 3 are movably connected through insertion, the movable limiting rod 5 of the structure can movably limit the position through the limiting hole 3, a second limiting rod 17 is movably penetrated in a circular arc groove of the movable limiting rod 5, the second limiting rod 17 is vertically inserted in the positioning seat 8, a second fastening spring 16 is positioned between the positioning seat 8 and the positioning clamping plates 6, the movable limiting rod 5 of the structure can also move and limit the position through the second limiting rod 17 during movement, the positioning seat 8 can correspondingly adjust the position according to the specific size of a crankcase, so that the positioning seat 8 is fixed on the processing table 9 to control the opening and closing angle of the V-shaped structure of the positioning clamp plate 6, the positioning clamp plate 6 is firmly positioned, when the fastening clamp plate 13 pushes the crankcase, the positioning clamp plate 6 is squeezed by the crankcase, thereby the positioning clamp plate 6 compresses the second fastening spring 16, the positioning clamp plate 6 is fastened by the rebound force of the second fastening spring 16, the firm clamping positioning of the crankcase is realized, the movable limiting rod 5 is penetrated with the second fastening spring 16, the positioning clamp body 1 is also provided with the fastening clamp plate 13, the positioning clamp plate 6 is symmetrically arranged about the central position of the fastening clamp plate 13, the fastening clamp plate 13 and the positioning clamp plate 6 form a triangle structure, the fastening clamp plate 13 is matched with the positioning clamp plate 6 together, the crankcase is firmly clamped and positioned, and the crankcase is conveniently processed, simultaneously, the fastening splint 13 and the locating splint 6 are fastened through the first fastening spring 7 and the second fastening spring 16 respectively, the situation that the locating looseness is difficult to occur, the movable seat 14 is movably installed on the linear movement mechanism 10 through the screw rod structure, the first limiting rod 15 with the U-shaped structure penetrates through the movable seat 14 in a movable mode, the first limiting rod 15 is sleeved with the first fastening spring 7, the end portion of the first limiting rod 15 is fixed with the fastening splint 13 through screws, the movable seat 14 of the structure moves under the driving of the linear movement mechanism 10, the movable seat 14 drives the fastening splint 13 to move, so that the fastening splint 13 pushes the crank case to move, and the fastening splint 13 stabilizes the crank case through the resilience force of the first fastening spring 7.

Working principle: when using this positioning fixture for crankcase processing, firstly, when the crankcase carries out processing positioning treatment through positioning fixture main part 1, place processing bench 9 through the spacing of the spacing cylinder of business turn over material 11, mount 12 is firm through processing bench 9 and supporting side board 18, play the fixed effect of installation to the spacing cylinder of business turn over material 11, then start rectilinear movement mechanism 10, make rectilinear movement mechanism 10 carry out the removal drive processing to fastening splint 13 through movable seat 14, let fastening splint 13 promote the crankcase and remove to positioning splint 6 one side, make the crankcase card go into between the positioning splint 6, the positioning splint 6 receives the location through locating shaft 2 after pressure carries out rotation processing, the removal limiting process of positioning splint 6 is carried out under spacing of spacing hole 3, positioning seat 8 and second gag lever post 17, fixing base 4 also plays the effect of activity limiting to movable gag lever post 5, through adjusting the position of positioning seat 8, can control the V type structure that constitutes between the positioning splint 6 open the angle, after the complete back of positioning splint 6 compression second fastening spring 16, fastening splint 13 moves to movable seat 14 one side under the effect of counter-thrust, first fastening splint 15 moves relative to the positioning splint 14 when the first positioning splint 15 makes the crankcase and the relative motion of the positioning fixture 1 through the clamping jaw, thereby realize that the dust absorption position of the work position of the main part is held by the first positioning fixture 1, the firm position of the work clamp is carried out in the processing position of the positioning fixture is carried out to the position setting through the position of the main part 1.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a positioning fixture for crankcase processing, includes positioning fixture main part (1), its characterized in that: the positioning clamp comprises a positioning clamp body (1), wherein positioning clamp plates (6) are symmetrically arranged on the positioning clamp body (1), one end of each positioning clamp plate (6) vertically penetrates through a positioning shaft (2), each positioning shaft (2) enables each positioning clamp plate (6) to form a V-shaped structure, one side of each positioning clamp plate (6) is provided with a positioning seat (8), a movable limiting rod (5) connected with each positioning clamp plate (6) is movably penetrated through each positioning seat (8), a second fastening spring (16) penetrates through each movable limiting rod (5), a fastening clamp plate (13) is further arranged on the positioning clamp body (1), the central positions of the fastening clamp plates (13) are symmetrically arranged, and the fastening clamp plates (13) and the positioning clamp plates (6) form a triangular structure.

2. The positioning jig for crankcase processing according to claim 1, wherein: the positioning fixture is characterized in that a processing table (9) is arranged on the positioning fixture body (1), a strip-shaped through hole is formed in the processing table (9), a linear moving mechanism (10) is arranged below the strip-shaped through hole of the processing table (9), and dust collection openings (19) are symmetrically clamped between the linear moving mechanism (10) and the processing table (9).

3. The positioning jig for crankcase processing according to claim 2, wherein: the lower extreme of processing platform (9) all is fixed with through the screw and supports curb plate (18), and the block has mount (12) between processing platform (9) and the support curb plate (18) to all movable mounting has on mount (12) to advance ejection of compact spacing cylinder (11), processing platform (9) wherein one end is fixed with fixing base (4) through the bolt, and fixing base (4) are by two platelike structures constitution.

4. A positioning jig for crankcase processing according to claim 3, wherein: limiting holes (3) with circular arc structures are formed between the two plate-shaped structures of the fixing seat (4), and the circular arc structures of the limiting holes (3) take the positioning shafts (2) as round points.

5. The positioning jig for crankcase processing according to claim 4, wherein: the movable limiting rod (5) is of a circular arc structure, a circular arc through hole is formed in the movable limiting rod (5), and the movable limiting rod (5) is movably connected with the limiting hole (3) through insertion.

6. The positioning jig for crankcase processing according to claim 5, wherein: the second limiting rod (17) is movably penetrated in the circular arc-shaped groove of the movable limiting rod (5), the second limiting rod (17) is vertically inserted into the positioning seat (8), and the second fastening spring (16) is positioned between the positioning seat (8) and the positioning clamping plate (6).

7. The positioning jig for crankcase processing according to claim 2, wherein: the linear moving mechanism (10) is movably provided with a movable seat (14) through a screw rod structure, a first limiting rod (15) of a U-shaped structure penetrates through the movable seat (14) in a movable mode, first fastening springs (7) are sleeved on the first limiting rods (15), and the end portions of the first limiting rods (15) are fixed with the fastening clamping plates (13) through screws.