CN212918586U - Crankshaft axial positioning device - Google Patents

Abstract

The utility model discloses a bent axle axial positioning device, including base, V type seat, bent axle and location structure, the both sides of base are provided with V type seat, and the top of 2V type seats is connected with the both ends of bent axle respectively, the adjustment tank has been seted up to the lower terminal surface of base, and the up end of base has seted up the spout to the spout is connected with the slider of location structure lower part, and the up end of base has the pressure strip through the bolt fastening simultaneously, set up on the pressure strip and supply the gliding slip mouth of location structure. This bent axle axial positioning device through the improvement to current positioner, can improve the accurate positioning to the bent axle, and the effectual skew of having avoided the bent axle when the location is favorable to the accurate processing operation of bent axle, can fix a position not unidimensional bent axle simultaneously.

Description

Crankshaft axial positioning device

Technical Field

The utility model relates to a relevant technical field of bent axle processing specifically is a bent axle axial positioning device.

Background

During the process of processing the crankshaft, the installation position of the crankshaft needs to be fixed in advance, so as to prevent the crankshaft from generating errors during processing, for example, compared with the file application number: CN201921218620.7, date of authorized announcement: 2019.09.06, wherein an axial positioning mechanism is arranged on the base to position the crankshaft;

however, in the using process, as the round end is arranged at the top end of the support column, when the crankshaft is limited through the round end, the sliding or the deviation of the contact part of the round end and the crankshaft is easy to occur, the positioning is affected, and the axial positioning mechanism is arranged on the base in a fixed structure, so that the adjustment of the corresponding positioning point is inconvenient to carry out according to the crankshafts with different sizes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bent axle axial positioning device to solve the current bent axle axial positioning device who proposes in the above-mentioned background art, at the in-process that uses, because it sets up circular end on the pillar top, when carrying on spacingly through circular end pair bent axle, easily take place the slip or the skew of circular end and bent axle contact department, influence the fixed all of location, and axial positioning mechanism is fixed structure setting on the base, inconvenient according to not unidimensional bent axle carry out the problem that corresponding setpoint was adjusted.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a crankshaft axial positioning device, includes base, V type seat, bent axle and location structure, the both sides of base are provided with V type seat, and the top of 2V type seats is connected with the both ends of bent axle respectively, the adjustment tank has been seted up to the lower terminal surface of base, and the up end of base has seted up the spout to the spout is connected with the slider of location structure lower part, and the up end of base has the pressure strip through the bolt fastening simultaneously, set up on the pressure strip and supply the gliding slip mouth of location structure.

Preferably, the lower end of the positioning structure is in threaded connection with an adjusting rod, and the top of the adjusting rod is located in an inner cylinder inside the positioning structure.

Preferably, the top of adjusting the pole is connected with the layer board through the bearing, and the top of layer board is connected with bracing piece bottom welded slide to the cover is equipped with the spring on the bracing piece, location structure's top bolt fastening has the apron.

Preferably, the top end of the supporting rod is welded with a positioning frame, and the positioning frame is of an L-shaped structure.

Preferably, the upper end face of the positioning frame is provided with a tightening groove, and the inner side face of the positioning frame is provided with a slidable tightening plate.

Preferably, 2 spacing grooves are formed in the lower end face of the tightening groove, the 2 spacing grooves are connected with a limiting block at the bottom of the tightening plate in a matched mode, the tightening plate is connected with an inner end bearing of the tightening rod on the positioning frame, and the tightening rod is connected with the positioning frame in a threaded mode.

Compared with the prior art, the beneficial effects of the utility model are that: according to the crankshaft axial positioning device, the existing positioning device is improved, so that the accurate positioning of the crankshaft can be improved, the deflection of the crankshaft in the positioning process is effectively avoided, the accurate machining operation of the crankshaft is facilitated, and the crankshafts with different sizes can be positioned;

1. the base is provided with the sliding groove, the positioning structure is connected with the sliding groove in a matched mode, the distance between the 2 positioning structures can be adjusted, the positioning structure is further applied to jacking and fixing of the shaft parts of crankshafts with different sizes, the top end of the adjusting rod is connected with the supporting plate in a bearing mode, the supporting plate is connected with the bottom sliding plate of the supporting rod in a matched mode, the height of the positioning frame at the top of the supporting rod can be adjusted, and therefore the crankshafts with different diameters can be jacked and fixed;

2. the tight groove in top has been seted up at the up end of locating rack, realizes carrying out the effect that supports bottom the bent axle, and is provided with slidable tight board in top at the medial surface of locating rack, and the stopper of the tight board bottom in top is connected with the spacing groove cooperation of the tight groove bottom in top, can realize the elasticity to the bent axle lateral part, and then realizes the tight operation in spacing top to the bent axle.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a partial side-sectional structure of the present invention;

FIG. 3 is a schematic top view of the positioning frame of the present invention;

FIG. 4 is a schematic side view of the positioning frame of the present invention;

fig. 5 is a schematic top view of the base and the pressing plate according to the present invention.

In the figure: 1. a base; 2. a V-shaped seat; 3. a crankshaft; 4. an adjustment groove; 5. a positioning structure; 6. adjusting a rod; 7. a compression plate; 8. a support bar; 9. a positioning frame; 10. an inner barrel; 11. a slider; 12. a chute; 13. a support plate; 14. a slide plate; 15. tightly pushing the groove; 16. a tightening rod; 17. a jacking plate; 18. a limiting groove; 19. a limiting block; 20. a sliding port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a bent axle axial positioning device, including base 1, V type seat 2, bent axle 3, adjustment tank 4, location structure 5, adjust pole 6, pressure strip 7, bracing piece 8, locating rack 9, inner tube 10, slider 11, spout 12, layer board 13, slide 14, tight groove 15 in top, tight pole 16 in top, tight board 17 in top, spacing groove 18, stopper 19 and sliding opening 20, the both sides of base 1 are provided with V type seat 2, and the top of 2V type seats 2 is connected with the both ends of bent axle 3 respectively, adjustment tank 4 has been seted up to the lower terminal surface of base 1, and spout 12 has been seted up to the up end of base 1, and spout 12 is connected with slider 11 of location structure 5 lower part, the up end of base 1 has pressure strip 7 through the bolt fastening simultaneously, set up on the pressure strip 7 and supply the gliding sliding opening 20 of location structure 5.

The lower extreme threaded connection of location structure 5 has regulation pole 6, and the top of adjusting pole 6 is located the inside inner tube 10 of location structure 5, the top of adjusting pole 6 is connected with layer board 13 through the bearing, and the top of layer board 13 is connected with 8 bottom welded slides 14 of bracing piece, and the cover is equipped with the spring on the bracing piece 8, the top bolt fastening of location structure 5 has the apron, the setting plays the regulation of 8 top locating racks 9 heights of regulation bracing piece like this, and then the realization is tight fixed in the top of different diameter bent axles 3.

The top welding of bracing piece 8 has locating rack 9, and the shape structure of locating rack 9 is "L" column structure, tight groove 15 in top has been seted up to the up end of locating rack 9, and the medial surface of locating rack 9 is provided with slidable top tight board 17, 2 spacing grooves 18 have been seted up to the lower terminal surface in top tight groove 15, and 2 spacing grooves 18 are connected with the 19 cooperations of stopper in top tight board 17 bottom, and top tight board 17 is connected with locating rack 9 goes up the inner bearing of top tight pole 16, simultaneously top tight pole 16 and locating rack 9 threaded connection, it is fixed to set up to realize carrying out the chucking to bent axle 3 like this, avoid when tight 3 tops of bent axle, take place the dislocation removal, be favorable to the accurate positioning to keeping bent axle 3.

The working principle is as follows: when the crankshaft axial positioning device is used, as shown in fig. 1-5, the distance between 2 positioning structures 5 can be adjusted according to the size of a crankshaft 3, namely, firstly, screws on a pressing plate 7 are unscrewed, the positioning structures 5 are pushed, a slide block 11 at the lower part of each positioning structure 5 moves in a slide groove 12 at a base 1, each positioning structure 5 moves in a slide opening 20 at the position of the corresponding pressing plate 7, after a positioning frame 9 at the top of an upper supporting rod 8 of each positioning structure 5 moves to a proper position of the crankshaft 3, the screws on the pressing plates 7 are screwed again, the pressing plates 7 compress the slide blocks 11 at the lower parts of the positioning structures 5, so that the positioning structures 5 are limited, then, when an adjusting rod 6 at the position of an adjusting groove 4 is rotated, the adjusting rod 6 is meshed with threads of the base 1, a supporting plate 13 at the top of the adjusting rod is driven to move in an inner cylinder 10 inside the positioning structures 5, and further the, the supporting rod 8 drives the positioning frame 9 at the top of the positioning frame to move upwards, the positioning frame 9 tightly pushes the bottom of the crankshaft 3 through the tightening groove 15 on the positioning frame, then the tightening rod 16 on the positioning frame 9 is screwed, the tightening rod 16 drives the tightening plate 17 at the inner end of the tightening rod to move in the limiting groove 18 at the tightening groove 15 through the limiting block 19, the tightening plate 17 tightly pushes the side of the crankshaft 3, and then the limitation on the crankshaft 3 is completed, so that a series of operations of the crankshaft axial positioning device are completed, and the content which is not described in detail in the description belongs to the prior art which is known by technical personnel in the field.

It should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, and are only used for the convenience of simplifying the description of the present invention, but do not indicate or imply that the device or element to which the present invention is applied must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the scope of the present invention, the standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the descriptions of the specification and the drawings, the specific connection modes of the various parts are realized by conventional means such as bolts, rivets, welding, etc. which are well-known in the art, and the machines, parts and devices are all adopted in the prior art, the conventional model, together with the circuit connections, are conventional in the art and will not be described in detail here.

The conditions of size, shape, or function are all selected according to the needs of the manufacturer to achieve the best effect of the product, and are not limited.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a bent axle axial positioning device, includes base (1), V type seat (2), bent axle (3) and location structure (5), its characterized in that: the utility model discloses a positioning structure, including base (1), regulating groove (4), spout (12) and the slider (11) of location structure (5) lower part are connected to the top of 2V type seats (2), the both ends of bent axle (3) are connected respectively to the both sides of base (1) are provided with V type seat (2), and the top of 2V type seats (2), the regulating groove (4) have been seted up to the lower terminal surface of base (1), and the up end of base (1) has seted up spout (12) to spout (12) are connected with slider (11) of location structure (5) lower part, and the up end of base (1) has pressure strip (7) through the bolt fastening simultaneously, set up on pressure strip.

2. A crankshaft axial positioning device as claimed in claim 1, wherein: the lower end of the positioning structure (5) is in threaded connection with an adjusting rod (6), and the top of the adjusting rod (6) is located in an inner cylinder (10) inside the positioning structure (5).

3. A crankshaft axial positioning device as claimed in claim 2, wherein: the top of adjusting pole (6) is connected with layer board (13) through the bearing, and the top of layer board (13) is connected with bracing piece (8) bottom welded slide (14) to the cover is equipped with the spring on bracing piece (8), the top bolt fastening of location structure (5) has the apron.

4. A crankshaft axial positioning device according to claim 3, wherein: the top welding of bracing piece (8) has locating rack (9), and the shape structure of locating rack (9) is "L" column structure.

5. A crankshaft axial positioning device according to claim 4, characterized in that: the upper end face of the positioning frame (9) is provided with a tightening groove (15), and the inner side face of the positioning frame (9) is provided with a slidable tightening plate (17).

6. A crankshaft axial positioning device according to claim 5, characterized in that: 2 spacing grooves (18) have been seted up to the lower terminal surface in tight groove (15) in top, and 2 spacing grooves (18) are connected with stopper (19) cooperation of tight board (17) bottom in top to tight board (17) are connected with the inner bearing of tight pole (16) in top on locating rack (9), and tight pole (16) and locating rack (9) threaded connection in top simultaneously.

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