CN217474907U

CN217474907U - A clamping structure for gear machining numerical control bores

Info

Publication number: CN217474907U
Application number: CN202221744346.9U
Authority: CN
Inventors: 马红旗; 任广吉; 姚华
Original assignee: Shaanxi Bote Gear Co ltd
Current assignee: Shaanxi Bote Gear Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-09-23
Anticipated expiration: 2032-07-07

Abstract

The utility model relates to a centre gripping equipment technical field specifically discloses a clamping structure for gear machining numerical control bores, include: the two clamping blocks are respectively positioned on two sides of the thin gear and are of a hollow structure; the V-shaped plates are positioned in the grooves and attached to the inner walls of the grooves, and two V-shaped plates are arranged in each groove; four stud bolts are arranged and are respectively rotatably arranged at two ends of the inner cavities of the two clamping blocks; the beneficial effects are that: through the recess of seting up "V" font in one side at the grip block, be provided with two "V" templates in the recess, the equal slope setting of a side that two "V" templates are close to each other, and two "V" templates laminate the upper and lower both sides at thin gear edge respectively, therefore when two grip blocks are close to each other and to thin gear centre gripping, "V" template can be fixed a position thin gear to avoid thin gear to take place to deflect and lead to dropping.

Description

A clamping structure for gear machining numerical control bores

Technical Field

The utility model relates to a centre gripping equipment technical field specifically is a clamping structure for gear machining numerical control bores.

Background

In the process of machining the gear, in order to reduce the weight of the gear, lightening holes which are uniformly distributed need to be formed in the surface of the gear, and the lightening holes are generally formed by a numerical control drill.

At present, for avoiding the numerical control to bore the gear when the mistake hinders the table surface of below, the gear is carried out the centre gripping by the centre gripping frock and is kept unsettled, can prevent on the one hand that the drill bit that the numerical control bored from passing other objects of collision below behind the gear, and on the other hand ensures that the piece that produces can in time fall off when boring man-hour.

However, in the conventional clamping structure for the gear machining numerical control drill, only two sides of the gear can be clamped, but when a thin gear with a small thickness is clamped, the contact area between the gear and the clamping block is small, and the gear is easy to deflect and fall.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping structure for gear machining numerical control bores to the thin gear that proposes in solving above-mentioned background art takes place to deflect easily between two grip blocks and leads to the problem that drops.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping structure for a gear machining numerically controlled drill, comprising:

the clamping blocks are arranged on two sides of the thin gear respectively, the clamping blocks are of hollow structures, a V-shaped groove is formed in one side, close to the thin gear, of each clamping block, and through grooves are formed in two ends of the inner wall of each groove;

the clamping block comprises V-shaped plates, wherein the V-shaped plates are positioned in grooves and are attached to the inner walls of the grooves, two V-shaped plates are arranged in each groove, one side surfaces, close to each other, of the two V-shaped plates are obliquely arranged, rubber pads are bonded on the surfaces of the V-shaped plates, protruding plates are fixedly connected to the two ends of each V-shaped plate, and the protruding plates movably penetrate through the through grooves and extend to the inner cavities of the clamping blocks;

stud, stud is provided with four, four stud rotates respectively and installs in the both ends of two grip block inner chambers, stud's upper and lower both ends respectively with two flange screw thread through connection, the screw thread at stud upper and lower both ends revolves to on the contrary.

Preferably, the upper end and the lower end of the stud are respectively in movable penetrating connection with the upper surface and the lower surface of the clamping block through bearings, and the end part of the stud is fixedly connected with an adjusting knob.

Preferably, a guide groove is formed in the middle of the inner wall of the groove, a sliding block is fixedly connected to the middle of the V-shaped plate, and the sliding block penetrates through the inner cavity of the guide groove in a movable mode and extends to the inner cavity of the clamping block.

Preferably, one end fixedly connected with bar limiting plate of slider, the laminating of bar limiting plate and the inside wall of grip block.

Preferably, one side of the clamping block, which is far away from the thin gear, is provided with an electric push rod, one end of the electric push rod is fixedly connected with a connecting plate, and two ends of the connecting plate are fixedly connected with connecting columns.

Preferably, the outer side of the connecting column is movably sleeved with a hollow cylinder, and the hollow cylinder is fixedly connected with the clamping block.

Preferably, the inner cavity of the hollow cylinder is provided with a limit plug matched with the inner cavity of the hollow cylinder, the limit plug is fixedly connected with one end of the connecting column, and the inner cavity of the hollow cylinder is provided with a thrust spring.

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

the utility model discloses a set up the recess of "V" font in one side of grip block, be provided with two "V" templates in the recess, the equal slope setting of a side that two "V" templates are close to each other, and two "V" templates laminate the upper and lower both sides at thin gear edge respectively, therefore two grip blocks are close to each other and when thin gear centre gripping, "V" template can fix a position thin gear to avoid thin gear to take place to deflect and lead to dropping.

Drawings

FIG. 1 is a perspective view of the whole structure of the present invention;

FIG. 2 is a schematic view of the structural positions of the clamping blocks and the V-shaped plates of the present invention;

FIG. 3 is a schematic view of a half-section of the clamping block structure of the present invention;

FIG. 4 is a schematic view of the structural connection between the V-shaped plate and the stud of the present invention;

fig. 5 is a three-dimensional schematic view of the V-shaped plate structure of the present invention.

In the figure: 1. a clamping block; 2. a thin gear; 3. a through groove; 4. a "V" shaped panel; 5. a rubber pad; 6. a convex plate; 7. a stud; 8. adjusting a knob; 9. a guide groove; 10. a slider; 11. a strip-shaped limiting plate; 12. an electric push rod; 13. a connecting plate; 14. connecting columns; 15. a hollow cylinder; 16. a limiting plug; 17. a thrust spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-5, the present invention provides a technical solution:

example one

A clamping structure for a gear machining numerically controlled drill, comprising: a clamping block 1, a "V" shaped plate 4 and a stud 7.

Specifically, the two clamping blocks 1 are arranged, the two clamping blocks 1 are respectively positioned on two sides of the thin gear 2, the clamping blocks 1 are arranged to be hollow structures, a V-shaped groove is formed in one side, close to the thin gear 2, of each clamping block 1, the two clamping blocks 1 are close to each other and can clamp and position the thin gear 2, the groove is formed and used for preventing the thin gear 2 from moving in the horizontal direction to be separated from the clamping blocks 1, the groove can ensure that the clamping blocks 1 can adapt to the thin gears 2 with different diameters, and through grooves 3 are formed in two ends of the inner wall of the groove;

secondly, the V-shaped plates 4 are positioned in the grooves and are attached to the inner walls of the grooves, two V-shaped plates 4 are arranged in each groove, rubber pads 5 are bonded on the surfaces of the V-shaped plates 4, the four V-shaped plates 4 are respectively attached to the upper end and the lower end of the two sides of the thin gear 2, thereby being capable of stably positioning the thin gear 2 to avoid the deflection of the thin gear 2 caused by the fact that the two clamping blocks 1 cannot well clamp and position the thin gear 2 when the thickness of the thin gear 2 is small, and one side surfaces of the two V-shaped plates 4 which are close to each other are obliquely arranged, therefore, when the two clamping blocks 1 are close to each other, the thin gear 2 can be smoothly inserted between two adjacent V-shaped plates 4, the two ends of each V-shaped plate 4 are fixedly connected with the convex plates 6, the convex plates 6 movably penetrate through the through grooves 3 and extend to the inner cavity of the clamping block 1, and the convex plates 6 can vertically slide in the inner cavity of the through grooves 3;

in addition, stud 7 is provided with four, four studs 7 rotate respectively and install in the both ends of two grip block 1 inner chambers, stud 7's upper and lower both ends respectively with two flange 6 screw thread through connection, stud 7's upper and lower both ends screw thread turns to opposite, therefore stud 7 can only rotate at grip block 1's inner chamber, and during stud 7 rotated, can drive two "V" template 4 synchronous reverse movement through the threaded connection between with flange 6, that is to say, the interval between two "V" templates 4 that lie in thin gear 2 with one side can be adjusted to the thin gear 2 of adaptation different thickness.

Example two

On the basis of embodiment one, in order to rotate stud 7, the upper and lower both ends of this application stud 7 pass through the bearing respectively with the upper and lower two surface activity through connections of grip block 1, the tip fixedly connected with adjust knob 8 of stud 7, consequently can be convenient for rotate stud 7 through twisting adjust knob 8.

EXAMPLE III

On the basis of embodiment two, in order to avoid "V" template 4 to take place the slope when sliding, this application still has and has seted up guide way 9 at the middle part of recess inner wall, the middle part fixedly connected with slider 10 of V "template 4, slider 10 activity runs through the inner chamber of guide way 9 and extends to the inner chamber of grip block 1, the one end fixedly connected with bar limiting plate 11 of slider 10, bar limiting plate 11 and grip block 1's inside wall laminating, slider 10 can slide from top to bottom along vertical direction at the inner chamber of guide way 9, the laminating of bar limiting plate 11 can prevent that" V "template 4 from taking place the slope at grip block 1's inner wall, that is to say," V "template 4 can only slide from top to bottom in vertical direction, and can not take place the slope.

Example four

On the basis of embodiment three, in order to promote grip block 1 and remove, this application still has one side of keeping away from thin gear 2 at grip block 1 and is provided with electric putter 12, electric putter 12's one end fixedly connected with connecting plate 13, electric putter 12's the other end is fixed on the numerical control drill support, the equal fixedly connected with spliced pole 14 in both ends of connecting plate 13, hollow section of thick bamboo 15 has been cup jointed in the outside activity of spliced pole 14, hollow section of thick bamboo 15 and grip block 1 fixed connection, electric putter 12 is flexible by external controller control, electric putter 12 can drive connecting plate 13 and spliced pole 14 when flexible and move at the horizontal direction, and then promote grip block 1 and remove.

EXAMPLE five

On the basis of embodiment four, in order to avoid taking place to damage when thin gear 2 receives the centre gripping of grip block 1, this application still has and is provided with the spacing stopper 16 of looks adaptation with it at the inner chamber of hollow section of thick bamboo 15, and the one end fixed connection of spacing stopper 16 and spliced pole 14, the inner chamber of hollow section of thick bamboo 15 is provided with thrust spring 17, spacing stopper 16 can slide certain distance at the inner chamber of hollow section of thick bamboo 15, two grip blocks 1 are when pressing from both sides tight thin gear 2, thrust spring 17 self elasticity can cushion the tight dynamics of pressing from both sides, too big and lead to the tooth piece on thin gear 2 surface to avoid two grip blocks 1 to the clamp force of thin gear 2 impaired.

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

Claims

1. The utility model provides a clamping structure for gear machining numerical control bores which characterized in that: the method comprises the following steps:

the clamping device comprises two clamping blocks (1), wherein the two clamping blocks (1) are respectively positioned at two sides of a thin gear (2), the clamping blocks (1) are arranged to be hollow structures, one side, close to the thin gear (2), of each clamping block (1) is provided with a V-shaped groove, and two ends of the inner wall of each groove are provided with through grooves (3);

the clamping block comprises V-shaped plates (4), wherein the V-shaped plates (4) are positioned in grooves and are attached to the inner walls of the grooves, two V-shaped plates (4) are arranged in each groove, one side face, close to each other, of each V-shaped plate (4) is obliquely arranged, rubber pads (5) are bonded to the surfaces of the V-shaped plates (4), convex plates (6) are fixedly connected to the two ends of each V-shaped plate (4), and the convex plates (6) movably penetrate through the through grooves (3) and extend to the inner cavity of the clamping block (1);

stud (7), stud (7) are provided with four, four stud (7) rotate respectively and install in the both ends of two grip block (1) inner chambers, the upper and lower both ends of stud (7) respectively with two flange (6) screw thread through connection, the screw thread at both ends is revolved to opposite about stud (7).

2. The clamping structure for the gear machining numerical control drill according to claim 1, characterized in that: the upper end and the lower end of the stud (7) are respectively in movable penetrating connection with the upper surface and the lower surface of the clamping block (1) through bearings, and the end part of the stud (7) is fixedly connected with an adjusting knob (8).

3. The clamping structure for the gear machining numerical control drill according to claim 2, characterized in that: guide way (9) have been seted up at the middle part of recess inner wall, the middle part fixedly connected with slider (10) of "V" template (4), the inner chamber of guide way (9) is run through in slider (10) activity and the inner chamber that extends to grip block (1).

4. The clamping structure for the gear machining numerical control drill according to claim 3, characterized in that: one end fixedly connected with bar limiting plate (11) of slider (10), bar limiting plate (11) and the inside wall laminating of grip block (1).

5. The clamping structure for the gear machining numerical control drill according to claim 4, characterized in that: one side of the clamping block (1) far away from the thin gear (2) is provided with an electric push rod (12), one end of the electric push rod (12) is fixedly connected with a connecting plate (13), and two ends of the connecting plate (13) are fixedly connected with connecting columns (14).

6. The clamping structure for the gear machining numerical control drill according to claim 5, characterized in that: the outer side of the connecting column (14) is movably sleeved with a hollow cylinder (15), and the hollow cylinder (15) is fixedly connected with the clamping block (1).

7. The clamping structure for the gear machining numerical control drill according to claim 6, characterized in that: the inner cavity of the hollow cylinder (15) is provided with a limit plug (16) matched with the hollow cylinder, the limit plug (16) is fixedly connected with one end of the connecting column (14), and the inner cavity of the hollow cylinder (15) is provided with a thrust spring (17).