CN220093793U

CN220093793U - Crankshaft positioning clamp

Info

Publication number: CN220093793U
Application number: CN202223496180.6U
Authority: CN
Inventors: 饶建军; 李龙; 夏鸣; 占登云; 赵林成
Original assignee: Hubei Ruida Crankshaft Co ltd
Current assignee: Hubei Ruida Crankshaft Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-11-28
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a crankshaft positioning clamp which comprises a positioning clamp, wherein the bottom end of the positioning clamp is fixedly connected with a clamp plate, the bottom end of the clamp plate is provided with a first fastening mechanism, the left side end and the right side end of the clamp plate are respectively provided with a second fastening mechanism, and the side ends of the clamp plate are provided with clamp openings. According to the utility model, after the first threaded rod is connected between the first vertical plate and the second vertical plate through rotating the rotating ring, the nut can be connected to the outer end of the first threaded rod through rotating the rotating ring, so that the primary fixing of the shaft head is completed; the rotation bull stick can make threaded rod two threaded connection at the side of anchor clamps board, carries out the secondary to the both sides of spindle nose and fixes, improves fixed effect, because the setting of bull stick, swivel and swivel for people need not look for specialized tool and screw up or dismantle bolt or nut, thereby indirectly improved the efficiency of bent axle work piece processing, avoid fastener such as bolt or nut to lose.

Description

Crankshaft positioning clamp

Technical Field

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

Background

The existing crankshaft eccentric crank is machined by a special machine tool or an ordinary lathe, the special machine tool is high in price, the manufacturing cost of the crankshaft is high, when the ordinary lathe is used for machining, the center line of the crankshaft is used as a reference, a center hole for positioning the center line of the crankshaft is required to be punched in advance according to the eccentric quantity, blanks are bars with diameters more than twice the eccentric quantity, the metal cutting quantity is large, the material utilization rate is low, the working hour consumption is high, the machining quality is not stable enough, the labor intensity of workers is high, and the production efficiency is low. There is a need for a crankshaft locating clip to accomplish this.

The utility model provides a special positioning fixture of bent axle processing, including the anchor clamps body, anchor clamps body lower extreme is equipped with the clamping hole, clamping hole lower extreme opening part is equipped with the locking bolt, respectively is equipped with two supplementary locking bolts on the outer fringe of the horizontal central fastener body both sides of clamping hole along, is equipped with a plurality of bent axle positioning center holes on the anchor clamps body that the vertical central line extension line of clamping hole corresponds according to the eccentric volume, and the special positioning fixture of bent axle processing processings steady quality, production efficiency is high, and material consumption is few, low in production cost alleviates workman intensity of labour, satisfies the processing demand of multiple eccentric volume.

However, in the above-mentioned scheme, when the work piece needs to be disassembled, each bolt needs to be unscrewed by a special tool to complete the disassembly, which reduces the efficiency of crankshaft work piece processing, and meanwhile, the bolts are easy to lose after being unscrewed.

Disclosure of Invention

The present utility model is directed to a crankshaft positioning clamp, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a bent axle positioning clamp, includes positioning fixture, positioning fixture's bottom fixedly connected with anchor clamps board, the bottom of anchor clamps board is equipped with fastening mechanism one, two side all are equipped with fastening mechanism two about the anchor clamps board, the side of anchor clamps board is equipped with the anchor clamps mouth.

As a further improvement scheme of the technical scheme: the opening has been seted up to the bottom of anchor clamps board, the left side bottom fixedly connected with fixed plate one of anchor clamps board, the right side bottom fixedly connected with fixed plate two of anchor clamps board, spout one has all been seted up to the bottom of fixed plate one and the bottom of fixed plate two.

As a further improvement scheme of the technical scheme: the first fastening mechanism comprises a first vertical plate and a second vertical plate, the first vertical plate is fixedly connected to the bottom end of the first fixing plate, the second vertical plate is fixedly connected to the bottom end of the second fixing plate, the side end of the first vertical plate is provided with a first annular plate, the top end of the first annular plate is fixedly connected with a first sliding block, the first sliding block is slidably connected to the first sliding groove of the bottom end of the first fixing plate, a bearing is arranged in the first annular plate, a circular plate is arranged in the bearing, a rotating ring is arranged at the side end of the circular plate, a first threaded rod is arranged at the side end of the circular plate, a threaded rod is connected between the side ends of the first fixing plate and the second fixing plate, and the outer end of the first threaded rod is in threaded connection with the fixing mechanism.

As a further improvement scheme of the technical scheme: the fixing mechanism comprises a second annular plate, the second annular plate is arranged at the side end of the second vertical plate, a bearing is arranged in the second annular plate, a nut is arranged in the bearing, a second sliding block is fixedly connected to the top end of the second annular plate, the second sliding block is slidably connected to the first sliding groove in the bottom end of the second fixing plate, and a rotating ring is fixedly connected to the side end of the nut.

As a further improvement scheme of the technical scheme: the fastening mechanism II comprises an outer cover, the outer cover is fixedly connected to the side end of the clamp plate, a second sliding groove is formed in the inner side end of the outer cover, an annular plate III is arranged in the outer cover, a bearing is arranged in the annular plate III, a rotating plate is arranged in the bearing, a sliding block III is fixedly connected to the side end of the annular plate III, the sliding block III is slidingly connected to the inner side of the second sliding groove, a second threaded rod is fixedly connected to the side end of the rotating plate, and a rotating rod is fixedly connected to the side end of the clamp plate.

As a further improvement scheme of the technical scheme: the dustcoat is cylindrical setting, the bull stick inserts to the dustcoat outer end.

Compared with the prior art, the utility model has the beneficial effects that:

the locating clamp for the crankshaft machined part comprises: after the first threaded rod is connected between the first vertical plate and the second vertical plate through rotating the rotating ring, the nut can be connected to the outer end of the first threaded rod through rotating the rotating ring, so that preliminary fixing of the shaft head is completed; the rotation bull stick can make threaded rod two threaded connection at the side of anchor clamps board, carries out the secondary to the both sides of spindle nose and fixes, improves fixed effect, because the setting of bull stick, swivel and swivel for people need not look for specialized tool and screw up or dismantle bolt or nut, thereby indirectly improved the efficiency of bent axle work piece processing, avoid fastener such as bolt or nut to lose.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a front cross-sectional structure of a crankshaft positioning clamp according to the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of a crankshaft positioning clamp according to the present utility model;

fig. 3 is a schematic view of a partial enlarged structure of a crankshaft positioning clamp B according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. positioning a clamp; 2. a clamp plate; 201. a first fixing plate; 202. a second fixing plate; 203. a first chute; 3. a first vertical plate; 301. a second vertical plate; 4. an annular plate I; 401. a first sliding block; 402. a bearing; 403. a circular plate; 404. a swivel; 405. a first threaded rod; 406. an annular plate II; 407. a nut; 408. a second slide block; 409. a rotating ring; 5. an outer cover; 501. a second chute; 502. an annular plate III; 503. a rotating plate; 504. a third slide block; 505. a second threaded rod; 506. a rotating rod; 6. and a clamp opening.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, in the embodiment of the utility model, a crankshaft positioning clamp comprises a positioning clamp 1, a clamp plate 2 is fixedly connected to the bottom end of the positioning clamp 1, a first fastening mechanism is arranged at the bottom end of the clamp plate 2, a second fastening mechanism is arranged at the left and right side ends of the clamp plate 2, a clamp opening 6 is arranged at the side end of the clamp plate 2, a shaft head at the left and right ends of a crankshaft workpiece is placed in the clamp opening 6, the shaft head can be secondarily fixed through the first fastening mechanism and the second fastening mechanism, the fixing effect is improved, and due to the arrangement of the first fastening mechanism and the second fastening mechanism, the first fastening mechanism and the second fastening mechanism can be prevented from being lost while the shaft head can be fixed.

Referring to fig. 1, an opening is formed at the bottom end of the clamp plate 2, a first fixing plate 201 is fixedly connected to the left bottom end of the clamp plate 2, a second fixing plate 202 is fixedly connected to the right bottom end of the clamp plate 2, a first sliding groove 203 is formed at the bottom end of the first fixing plate 201 and the bottom end of the second fixing plate 202, and a shaft head is conveniently placed through the opening.

Referring to fig. 2, the fastening mechanism one includes a first vertical plate 3 and a second vertical plate 301, the first vertical plate 3 is fixedly connected to the bottom end of the first fixed plate 201, the second vertical plate 301 is fixedly connected to the bottom end of the second fixed plate 202, a first annular plate 4 is disposed at the side end of the first vertical plate 3, a first sliding block 401 is fixedly connected to the top end of the first annular plate 4, the first sliding block 401 is slidably connected in a first sliding groove 203 disposed at the bottom end of the first fixed plate 201, a bearing 402 is disposed in the first annular plate 4, a circular plate 403 is disposed in the bearing 402, a rotating ring 404 is disposed at the side end of the circular plate 403, a first threaded rod 405 is disposed at the side end of the circular plate 403, a threaded rod 405 is in threaded connection between the first fixed plate 201 and the side end of the second fixed plate 202, a fixing mechanism is in threaded connection with the outer end of the first threaded rod 405, the threaded rod 405 is in threaded connection with the first vertical plate 3 and the second vertical plate 301 through rotation of the rotating ring 404, and then the fastening mechanism is used for fixing.

Referring to fig. 2, the fixing mechanism includes a second annular plate 406, the second annular plate 406 is disposed at a side end of the second vertical plate 301, a bearing 402 is disposed in the second annular plate 406, a nut 407 is disposed in the bearing 402, a second slider 408 is fixedly connected to a top end of the second annular plate 406, the second slider 408 is slidably connected to the first chute 203 at a bottom end of the second fixed plate 202, a rotating ring 409 is fixedly connected to a side end of the nut 407, and after the first threaded rod 405 is screwed between the first vertical plate 3 and the second vertical plate 301, the first threaded rod 405 can be screwed to an outer end of the first threaded rod 405 by rotating the rotating ring 409, so as to complete preliminary fixing of the shaft head.

Referring to fig. 3, the second fastening mechanism includes an outer cover 5, the outer cover 5 is fixedly connected to a side end of the clamp plate 2, a second chute 501 is formed in an inner side end of the outer cover 5, a third annular plate 502 is arranged in the outer cover 5, a bearing 402 is arranged in the third annular plate 502, a rotating plate 503 is arranged in the bearing 402, a third slider 504 is fixedly connected to a side end of the third annular plate 502, the third slider 504 is slidably connected to the inside of the second chute 501, a second threaded rod 505 is fixedly connected to a side end of the rotating plate 503, the second threaded rod 505 is in threaded connection to a side end of the clamp plate 2, a rotating rod 506 is fixedly connected to a side end of the rotating plate 503, the second threaded rod 506 can be in threaded connection to the side end of the clamp plate 2, and two sides of the shaft head are secondarily fixed, so that a fixing effect is improved.

Referring to fig. 3, the housing 5 is cylindrically configured, and the rotating rod 506 is inserted into the outer end of the housing 5 to facilitate rotation of the rotating rod 506.

The working principle of the utility model is as follows:

the locating clamp for the crankshaft machined part comprises: when the clamp is used, as the two symmetrical positioning clamps 1 are arranged, firstly, the left shaft head and the right shaft head of a workpiece are inserted into the clamp opening 6, at the moment, the rotating ring 404 is rotated to enable the threaded rod one 405 to be in threaded connection between the vertical plate one 3 and the vertical plate two 301, at the moment, the sliding block one 401 slides in the sliding groove one 203, the round rod and the threaded rod one 405 are limited, meanwhile, the rotation of the threaded rod one 405 is not influenced, so that the circular plate 403 and the threaded rod one 405 cannot be lost, then the rotating ring 409 is rotated, at the moment, the nut 407 can be in threaded connection with the outer end of the threaded rod one 405, the sliding block two 408 also moves in the sliding groove one 203, so that the nut 407 is limited, the rotation of the nut 407 cannot be influenced, the nut 407 is avoided, at the moment, the shaft head of the workpiece is primarily fixed, then the rotating rod two 505 can be in threaded connection with the side end of the clamp plate 2, the two sides of the shaft head are secondarily fixed, the fixing effect is improved, at the moment, the sliding block three 504 slides in the sliding groove two 501, and the threaded rod one 503 and the threaded rod one are arranged in the outer cover 5, and the two 505 can be saved while the rotation of the threaded rod two 505 is not influenced;

due to the arrangement of the rotating rod 506, the rotating ring 404 and the rotating ring 409, people do not need to find special tools to screw or detach the bolt or the nut 407, so that the efficiency of machining a crankshaft workpiece is indirectly improved, and the loss of fasteners such as the bolt or the nut 407 is avoided.

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 crankshaft positioning clamp comprises a positioning clamp (1), and is characterized in that the bottom end of the positioning clamp (1) is fixedly connected with a clamp plate (2), the bottom end of the clamp plate (2) is provided with a first fastening mechanism, the left side end and the right side end of the clamp plate (2) are respectively provided with a second fastening mechanism, and the side ends of the clamp plate (2) are provided with clamp openings (6);

the first fastening mechanism comprises a first vertical plate (3) and a second vertical plate (301), the first vertical plate (3) is fixedly connected to the bottom end of the first fixed plate (201), the second vertical plate (301) is fixedly connected to the bottom end of the second fixed plate (202), an annular plate (4) is arranged at the side end of the first vertical plate (3), a first sliding block (401) is fixedly connected to the top end of the annular plate (4), the first sliding block (401) is slidably connected to the first sliding groove (203) at the bottom end of the first fixed plate (201), a bearing (402) is arranged in the first annular plate (4), a circular plate (403) is arranged in the bearing (402), a swivel (404) is arranged at the side end of the circular plate (403), and a first threaded rod (405) is arranged at the side end of the circular plate (403).

2. The crankshaft positioning clamp according to claim 1, wherein the bottom end of the clamp plate (2) is provided with an opening, the left bottom end of the clamp plate (2) is fixedly connected with a first fixing plate (201), the right bottom end of the clamp plate (2) is fixedly connected with a second fixing plate (202), and the bottom ends of the first fixing plate (201) and the second fixing plate (202) are respectively provided with a first sliding groove (203).

3. The crankshaft positioning clamp as claimed in claim 1, wherein the first threaded rod (405) is screwed between the side ends of the first fixing plate (201) and the second fixing plate (202), and the outer end of the first threaded rod (405) is screwed with the fixing mechanism.

4. A crankshaft positioning clamp according to claim 3, characterized in that the fixing mechanism comprises a second annular plate (406), the second annular plate (406) is arranged at the side end of the second vertical plate (301), a bearing (402) is arranged in the second annular plate (406), a nut (407) is arranged in the bearing (402), a second sliding block (408) is fixedly connected to the top end of the second annular plate (406), the second sliding block (408) is slidably connected to the inside of the first sliding groove (203) at the bottom end of the second fixed plate (202), and a rotating ring (409) is fixedly connected to the side end of the nut (407).

5. The crankshaft locating clamp according to claim 1, wherein the second fastening mechanism comprises an outer cover (5), the outer cover (5) is fixedly connected to the side end of the clamp plate (2), a second sliding groove (501) is formed in the side end of the inner portion of the outer cover (5), a third annular plate (502) is arranged in the outer cover (5), a bearing (402) is arranged in the third annular plate (502), a rotating plate (503) is arranged in the bearing (402), a third sliding block (504) is fixedly connected to the side end of the third annular plate (502), a second threaded rod (505) is fixedly connected to the side end of the third sliding groove (504), and a second rotating rod (506) is fixedly connected to the side end of the clamp plate (2) through threads.

6. A crankshaft positioning clamp according to claim 5, characterized in that the housing (5) is cylindrically arranged, the turning rod (506) being inserted to the outer end of the housing (5).