CN210731041U

CN210731041U - Positioning fixture for machining fluted disc

Info

Publication number: CN210731041U
Application number: CN201921565682.5U
Authority: CN
Inventors: 王之钢
Original assignee: Tianjin Ruixiang Metal Products Co Ltd
Current assignee: Tianjin Ruixiang Metal Products Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-12
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to a fluted disc processing field specifically is a positioning fixture is used in fluted disc processing, the top center department of anchor clamps main part has seted up the centre bore, and the anchor clamps main part uses the centre bore to be surrounding type equidistance as the original point and has seted up the spout, the gomphosis of spout internalization has the sliding strip, the top fixedly connected with gomphosis strip of sliding strip, the top welding of gomphosis strip has the holding strip, the top welding of holding strip has first cushion, the top second cushion of first cushion, the inside center department of anchor clamps main part is provided with the pivot, and the pivot cup joints in the centre bore. This application changes traditional mounting fixture outside-in motion's mode into from inside to outside motion, and it is fixed to clamp inwards simultaneously, changes to outside expansion restraint fixed, and the thickness of considering the fluted disc is less, and its edge still need set up the sawtooth moreover, so fixed establishment only has the inside of fixed fluted disc, just can be complete expose the edge of fluted disc.

Description

Positioning fixture for machining fluted disc

Technical Field

The utility model relates to a fluted disc processing field specifically is a positioning fixture is used in fluted disc processing.

Background

The fluted disc is a metal disc with sawteeth at the edge, for example, a fluted disc of a connecting part of a middle shaft and a crank of a bicycle is also one of the fluted discs, and the fluted disc needs to be fixed in the processing process to prevent the fluted disc from shaking in the process of arranging the sawteeth, so that the sawteeth are not completely arranged or the fluted disc is cracked.

The existing clamp generally adds and holds the object with large body feeling, and like the material with smaller thickness of the fluted disc, the traditional method for applying pressure from outside to inside is obviously not practical, and the edge of the fluted disc needs to be provided with sawteeth, if the clamp blocks the material, the sawtooth is obviously not beneficial to being provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture is used in fluted disc processing in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a positioning fixture is used in fluted disc processing, includes the anchor clamps main part, the top center department of anchor clamps main part has seted up the centre bore, and the anchor clamps main part uses the centre bore to be surrounding type equidistance as the original point and has seted up the spout, the gomphosis of spout internalization has the sliding strip, the top fixedly connected with gomphosis strip of sliding strip, the top welding of gomphosis strip has the holding strip, the top welding of holding strip has first cushion, the top second cushion of first cushion.

As a further aspect of the present invention: the fixture comprises a fixture body and is characterized in that a rotating shaft is arranged at the center of the interior of the fixture body and sleeved in a central hole, and a second bevel gear is horizontally sleeved on the rotating shaft.

As a further aspect of the present invention: the upper end of the second bevel gear is embedded with a first bevel gear, the arrangement position of the first bevel gear is equal to that of the sliding groove, and the first bevel gear is located at the end part of the sliding groove on one side of the clamp body.

As a further aspect of the present invention: the back center of the first bevel gear is horizontally welded with a screw, the sliding strip is transversely penetrated and provided with a screw hole, and the screw rod corresponds to the screw hole.

As a further aspect of the present invention: the lower extreme both sides level of slip strip is provided with spacing, and the screw sets up between two spacing, set up the spacing groove corresponding with spacing on the spout.

As a further aspect of the present invention: the top of the sliding strip is provided with an embedding groove, the embedding strip is fixedly arranged in the embedding groove, and the inner wall of the embedding groove is horizontally provided with a barrier strip.

As a further aspect of the present invention: the top of the first cushion block is in threaded connection with a screw, and the screw penetrates through the clamping strip, extends to the inside of the embedding strip and does not penetrate through the embedding strip.

Compared with the prior art, the beneficial effects of the utility model are that: this application changes traditional mounting fixture from outside to inside motion's mode into from inside to outside motion, it is fixed to press from both sides inwards simultaneously, it is fixed to change to outside expansion restraint, it is less to consider the thickness of fluted disc, and its edge still need set up the sawtooth, so fixed establishment only has the inside of fixed fluted disc, just can be complete expose the edge of fluted disc, so that supply processing agency to carry out the processing of sawtooth, because annular through-hole has been seted up to the inside itself of fluted disc, so directly aim at the tip of the clamping bar in this application with the through-hole of fluted disc when pressing from both sides, utilize the clamping bar to expand outwards, thereby tighten whole fluted disc, and then realize fixedly, consider the diameter that annular through-hole seted up on the fluted disc, and the distance of annular through-hole apart from the fluted disc centre of a circle, consequently be provided with first cushion and second cushion on the clamping bar, thereby the different fluted disc in adaptation, whole family's mechanism rotates through the screw rod and drives a bevel The wheel rotates, and then makes the screw rod of fixing on this vertical bevel gear of arranging rotatory, sets up the screw that corresponds with the screw rod on the sliding strip of fixed holding strip, consequently can be the sliding strip motion when the screw rod rotates, and be provided with spacing strip on the sliding strip and be that the sliding strip can only carry out horizontal motion, can not rotate to realize the sliding strip, the extension of outside motion, fixed fluted disc, the inside motion makes the fluted disc loosen.

Drawings

FIG. 1 is a schematic structural view of a positioning fixture for machining a fluted disc;

FIG. 2 is a schematic structural view of an internal mechanism of a positioning fixture for machining a fluted disc;

fig. 3 is a schematic structural view of a sliding bar in a positioning jig for machining a toothed disc.

In the figure: 1. a first cushion block; 2. a second cushion block; 3. a central bore; 4. a chute; 5. a clamp body; 6. clamping strips; 7. a tabling strip; 8. a slide bar; 9. a rotating shaft; 10. a first bevel gear; 11. a screw; 12. a screw hole; 13. a second bevel gear; 14. a fitting groove; 15. blocking strips; 16. and (5) a limiting strip.

Detailed Description

Please refer to fig. 1-3, in an embodiment of the present invention, a positioning fixture for machining a fluted disc, includes a fixture main body 5, a center hole 3 is disposed at a center of a top of the fixture main body 5, and the fixture main body 5 uses the center hole 3 as an original point to be a surrounding type equidistance and to be provided with a sliding groove 4, a sliding strip 8 is embedded in the sliding groove 4, a top fixedly connected with embedding strip 7 of the sliding strip 8, a clamping strip 6 is welded at a top of the embedding strip 7, a first cushion block 1 is welded at a top of the clamping strip 6, and a second cushion block 2 at a top of the first cushion block 1.

In fig. 2, a rotating shaft 9 is arranged at the center of the interior of the clamp main body 5, the rotating shaft 9 is sleeved in the center hole 3, a second bevel gear 13 is horizontally sleeved on the rotating shaft 9, the rotating shaft 9 rotates to drive the second bevel gear 13 to rotate, and further, the second bevel gear 13 drives the first bevel gear 10 to rotate, the first bevel gear 10 rotates to drive a screw 11 welded at the center of a circle to rotate, the sliding strip 8 is in threaded connection with the screw 11 through a screw hole 12, and when the screw 11 rotates, the sliding strip 8 can move horizontally;

in fig. 2, a first bevel gear 10 is embedded at the upper end of a second bevel gear 13, the arrangement position of the first bevel gear 10 is equal to the arrangement position of the chute 4, the first bevel gear 10 is located at the end of the chute 4 on one side of the clamp body 5, the second bevel gear 13 drives the first bevel gear 10 to rotate, the first bevel gear 10 rotates to drive a screw 11 welded at the center of a circle to rotate, a sliding bar 8 is in threaded connection with the screw 11 through a screw hole 12, the sliding bar 8 can move horizontally when the screw 11 rotates, and the chute 4 mainly serves to accommodate the sliding bar 8 and provide a running track for the movement of the sliding bar 8;

in fig. 2, a screw 11 is horizontally welded at the center of the back of a first bevel gear 10, a screw hole 12 is transversely formed in the sliding strip 8 in a penetrating manner, the screw 11 corresponds to the screw hole 12, the screw 11 rotates in the screw hole 12, and the screw 11 is fixed, so that the screw and the sliding strip 8 can horizontally move through threads;

in fig. 3, two sides of the lower end of the sliding bar 8 are horizontally provided with limiting bars 16, a screw hole 12 is formed between the two limiting bars 16, a limiting groove corresponding to the limiting bars 16 is formed in the sliding groove 4, when the screw rod 11 rotates, the sliding bar 8 moves through the screw hole 12 to rotate and horizontally move forward or backward, but the sliding bar 8 cannot achieve the purpose of expanding and clamping if rotating, so that the sliding bar 8 must be ensured to only horizontally move without rotating, and the sliding bar 8 can horizontally move without rotating by being constrained by the limiting bars 16 and the limiting grooves in the sliding groove 4;

in fig. 3, the top of the sliding bar 8 is provided with an embedding groove 14, the embedding bar 7 is fixedly arranged in the embedding groove 14, the inner wall of the embedding groove 14 is horizontally provided with a barrier bar 15, the main purpose of the embedding groove 14 is to provide an installation space for the embedding bar 7, and the barrier bar 15 mainly has the function of changing the structure of the embedding groove 14 to make the structure more complicated and used for restraining and fixing the embedding bar 7;

in fig. 1, a screw is screwed to the top of the first cushion block 1, extends through the holding strip 6 to the inside of the embedding strip 7 and does not pass through the embedding strip 7, and the screw mainly functions to fix the first cushion block 1, the second cushion block and the holding strip 6 on the embedding strip 7.

The utility model discloses a theory of operation is: the sliding strip 8 fixes the embedded strip 7 through an embedded groove 14 arranged at the top, the first cushion block 1, the second cushion block 2 and the clamping strip 6 are fixed on the embedded strip 7 through screws, a baffle strip 15 arranged on the inner wall of the embedded groove 14 mainly has the function of changing the structure of the embedded groove 14 to make the structure more complex, the baffle strip is used for restraining and fixing the embedded strip 7, a fluted disc is sleeved at the end parts of the first cushion block 1, the second cushion block 2 and the clamping strip 6 according to the size of an annular groove arranged on the fluted disc and the distance from the center of a circle, an external driver (the model is Y160L-2) is started to drive a rotating shaft 9 to rotate at the moment, the rotating shaft 9 drives a second bevel gear 13 to rotate, then the first bevel gear 10 is driven to rotate through the second bevel gear 13, the screw 11 welded at the center of the circle is driven to rotate through the rotation of the first bevel gear 10, when the screw 11 rotates, the sliding strip 8 moves horizontally, but the slip 8 is rotating and can not realize the tight purpose of expansion clamp, consequently must guarantee that slip 8 only carries out horizontal motion and can not rotate, restraint mutually through spacing groove on spacing strip 16 and the spout 4, just can realize slip 8 horizontal motion and irrotational, slip 8 can drive first cushion 1 at the in-process of outside motion, the annular through-hole of second cushion 2 and the 6 conflict fluted discs of holding strip, through first cushion 1, the mutual effort between second cushion 2 and the holding strip 6, restrain the fluted disc, and then realize fixedly.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a positioning fixture is used in fluted disc processing, includes anchor clamps main part (5), its characterized in that: centre bore (3) have been seted up in the top center department of anchor clamps main part (5), and anchor clamps main part (5) use centre bore (3) to be surrounding type equidistance as the original point and seted up spout (4), spout (4) internalization gomphosis has slide bar (8), the top fixedly connected with gomphosis strip (7) of slide bar (8), the top welding of gomphosis strip (7) has holding strip (6), the top welding of holding strip (6) has first cushion (1), top second cushion (2) of first cushion (1).

2. The positioning fixture for fluted disc machining according to claim 1, wherein a rotating shaft (9) is arranged at the center of the interior of the fixture main body (5), the rotating shaft (9) is sleeved in the central hole (3), and a second bevel gear (13) is horizontally sleeved on the rotating shaft (9).

3. The positioning jig for machining a toothed disc according to claim 2, wherein the first bevel gears (10) are fitted to the upper ends of the second bevel gears (13), the arrangement positions of the first bevel gears (10) are equal to the arrangement positions of the slide grooves (4), and the first bevel gears (10) are located at the end portions of the slide grooves (4) on the side of the jig main body (5).

4. The positioning fixture for fluted disc machining according to claim 3, wherein a screw (11) is horizontally welded at the center of the back of the first bevel gear (10), a screw hole (12) is transversely formed through the sliding bar (8), and the screw (11) corresponds to the screw hole (12).

5. The positioning fixture for fluted disc machining according to claim 4, wherein two sides of the lower end of the sliding bar (8) are horizontally provided with a limiting bar (16), the screw hole (12) is formed between the two limiting bars (16), and the sliding groove (4) is provided with a limiting groove corresponding to the limiting bar (16).

6. The positioning jig for machining a fluted disc according to claim 1, wherein a fitting groove (14) is formed at the top of the sliding bar (8), the fitting bar (7) is fixedly arranged in the fitting groove (14), and a blocking bar (15) is horizontally arranged on the inner wall of the fitting groove (14).

7. The positioning jig for machining a fluted disc according to claim 1, wherein a screw is threadedly connected to the top of the first cushion block (1), and the screw extends through the clamping bar (6) to the inside of the fitting bar (7) and does not penetrate through the fitting bar (7).