CN213888527U

CN213888527U - Clamp for machining ultrahigh-pressure nut

Info

Publication number: CN213888527U
Application number: CN202021279870.4U
Authority: CN
Inventors: 杨嘉乐
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-08-06
Anticipated expiration: 2030-07-04

Abstract

The utility model discloses an anchor clamps are used in processing of superhigh pressure nut relates to nut processing equipment field, which comprises a base, pneumatic cylinder, support are connected respectively to the base top, first backup pad, first limiting plate and second backup pad of being connected are connected respectively to the support, first electric telescopic handle is connected to second backup pad bottom, first electric telescopic handle's flexible end passes first limiting plate and connects the mounting panel, and the clamp splice is connected to the mounting panel, sets up the second limiting plate below the clamp splice, second limiting plate and first backup pad fixed connection, the side fixed connection second electric telescopic handle of first backup pad, first backup pad fixed connection clamp plate is passed to second electric telescopic handle's flexible end, the bottom and the pneumatic cylinder fixed connection of first backup pad, the utility model discloses a pneumatic cylinder, first electric telescopic handle and the individual limiting plate of second electric telescopic handle combination drive, The clamp plate clamp splice is locked to different specification nuts clamping, and the control range, centre gripping convenience.

Description

Clamp for machining ultrahigh-pressure nut

Technical Field

The utility model relates to a nut processing equipment field specifically is an anchor clamps are used in processing of superhigh pressure nut.

Background

The nut is also called a nut and is a fixing tool, the center of which is provided with a hole, and the inner side of the hole is provided with threads. Nuts are often used in conjunction with appropriately sized screws to secure the respective joint portions. If the nut is loosened by vibration or other environmental factors, the relevant part can be further reinforced by using glue or pins. The nut is hexagonal in shape mostly, and square in shape secondly. The high-strength nut is made of high-strength steel or a nut which needs a large force to lock. Generally, high-strength nuts are widely used in bridge construction, steel production and connection of high-voltage equipment. The standard of the high-strength nut is mainly embodied on the technical requirement, a thickened nut is generally adopted, and the hydraulic nut belongs to an ultrahigh-pressure nut.

At present, publication number CN206464854U discloses a nut tapping special fixture is to nut processing, and this anchor clamps can realize different specification nut clamping, nevertheless still exist and need dismantle when processing different nuts and change different upper and lower clamp splice, and be unfavorable for the clamping of non-standard nut, add in addition and add the sweeps and be difficult to clear away the scheduling not enough, still need manual clamping to be unfavorable for scale nut processing.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anchor clamps are used in processing of superhigh pressure nut has solved 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:

a clamp for processing an ultrahigh-pressure nut comprises a base, wherein the top end of the base is fixedly connected with a hydraulic cylinder, the top end of the base is fixedly connected with a bracket, the bracket is connected with a first supporting plate at one end close to the base in a sliding way, a first limit plate is arranged above the first support plate, the first limit plate is fixedly connected with the bracket, the top end of the bracket is fixedly connected with a second support plate, the bottom end of the second supporting plate is fixedly connected with a first electric telescopic rod, the telescopic end of the first electric telescopic rod passes through a first limiting plate and is fixedly connected with a mounting plate, the mounting plate is fixedly connected with the clamping block, a second limiting plate is arranged below the clamping block and fixedly connected with the first supporting plate, the side end of the first supporting plate is fixedly connected with the second electric telescopic rod, the flexible end of second electric telescopic handle passes first backup pad fixed connection clamp plate, the bottom of first backup pad and the flexible end fixed connection of pneumatic cylinder.

As a preferred technical scheme of the utility model, the clamp splice is the L type, and the counter bore is seted up to the side of clamp splice, the position of counter bore satisfies the clamp splice clamping face and equals the thickness by the clamp nut with first limiting plate terminal surface distance, and a plurality of evenly distributed's arc wall is seted up to the clamping face of clamp splice, the centre of a circle distance between the arc wall is adjacent equals the diagonal angle length by the clamp nut, the clamping face fixed connection stopper of clamp splice, the stopper equals the half of by the opposite length of clamp nut with the centre of a circle distance of adjacent arc wall.

As an optimized technical scheme of the utility model, the straight flute is seted up to the clamp plate, and the second limiting plate passes the straight flute.

As an optimal technical scheme of the utility model, the top face distance of second limiting plate top face and clamp plate is less than by the opposite side distance and the poor half of nominal latus rectum of clamp nut.

As a preferred technical scheme of the utility model, first backup pad sliding connection guide bar, the guide bar just is based on the axle center symmetric distribution of the telescopic link of pneumatic cylinder with base fixed connection.

The utility model discloses have following useful part: the second limiting plate is driven to be close to the first limiting plate through the sliding of the first supporting plate, the clamping of the opposite side of the clamped nut is completed under the driving of the first electric telescopic rod through installing the required clamping block, the clamping nut is pulled through the second electric telescopic rod, the structure is simple, only one clamping block needs to be manually replaced, the clamping of nuts of different specifications can be realized, and the manual clamping disassembly is not needed during machining.

Drawings

Fig. 1 is a schematic structural view of a jig for machining an extra-high pressure nut.

Fig. 2 is a partial sectional structural schematic view of the jig for machining the extra-high pressure nut.

Fig. 3 is a schematic structural view of a clamp for clamping a nut for ultrahigh pressure nut processing.

Fig. 4 is a schematic structural view of a clamping block in the jig for machining the extra-high pressure nut.

Fig. 5 is a schematic structural view of a pressing plate in the jig for machining an extra-high pressure nut.

In the figure: the device comprises a base 1, a support 2, a first supporting plate 3, a first limiting plate 4, a second supporting plate 5, a first electric telescopic rod 6, a mounting plate 7, a clamping block 8, a counter bore 801, an arc-shaped groove 802, a limiting block 803, a second limiting plate 9, a pressing plate 10, a straight groove 1001, a second electric telescopic rod 11, a hydraulic cylinder 12, a guide rod 13 and a nut 14.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to 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.

Example 1

Referring to fig. 1-5, a fixture for processing an ultrahigh pressure nut comprises a base, a hydraulic cylinder 12 fixedly connected to the top end of the base 1, a support 2 fixedly connected to the top end of the base 1, a first support plate 3 slidably connected to the support 2 at a position close to one end of the base 1, a first limit plate 4 disposed above the first support plate 3, the first limit plate 4 fixedly connected to the support 2, a second support plate 5 fixedly connected to the top end of the support 2, a first electric telescopic rod 6 fixedly connected to the bottom end of the second support plate 5, a mounting plate 7 fixedly connected to the telescopic end of the first electric telescopic rod 6 through the first limit plate 4, a clamping block 8 fixedly connected to the mounting plate 7, a second limit plate 9 disposed below the clamping block 8, a second limit plate 9 fixedly connected to the first support plate 3, and a second electric telescopic rod 11 fixedly connected to the side end of the first support plate 3, the flexible end of second electric telescopic handle 11 passes first backup pad 3 fixed connection clamp plate 10, straight flute 1001 is seted up to clamp plate 10, and second limiting plate 9 passes straight flute 1001, and the clamp plate realizes compressing tightly under second electric telescopic handle's drive, the flexible end fixed connection of the bottom of first backup pad 3 and pneumatic cylinder 12.

The clamp splice 8 is the L type, and counter bore 801 is seted up to the side of clamp splice 8, counter bore 801's position satisfies 8 clamping faces of clamp splice and 4 terminal surface distances of first limiting plate and equals the thickness by the clamp nut, and a plurality of evenly distributed's arc wall 802 is seted up to the clamping face of clamp splice 8, the centre of a circle distance between the arc wall 802 is adjacent equals the diagonal length by the clamp nut, and clamp splice 8's clamping face fixed connection stopper 803, stopper 803 equals the half of the opposite length by the clamp nut with the centre of a circle distance of adjacent arc wall 802. And the limiting block 803 realizes pre-positioning, and the distance between the top end face of the second limiting plate 9 and the top end face of the pressing plate 10 is less than half of the difference between the opposite side distance and the nominal diameter of the clamped nut, so that the clamped nut is conveniently clamped in a matching manner.

First backup pad 3 sliding connection guide bar 13, guide bar 13 and base 1 fixed connection just play the slip guide effect and prevent that first backup pad 3 from vibrations skew man-hour adding based on the axle center symmetric distribution of the telescopic link of pneumatic cylinder 12.

The utility model discloses in the implementation, earlier be connected base 1 and horizontal drilling machine or lathe, be pressed from both sides the nut at fixed connection clamp splice 8, later start hydraulic cylinder 12 and adjust the distance of first limiting plate 4 and second limiting plate 9, later drive first electric telescopic handle 6 drives clamp splice 8 and accomplishes and is pressed from both sides tightly by the opposite side of clamp nut, drive second electric telescopic handle 11 drive clamp plate 10 and press from both sides tightly to the terminal surface by the clamp nut, the clamping was accomplished this moment, add the sweeps and drop from the clearance along with the drill bit automatically during processing.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The clamp for machining the ultrahigh-pressure nut comprises a base (1), wherein a hydraulic cylinder (12) is fixedly connected to the top end of the base (1), and is characterized in that a support (2) is fixedly connected to the top end of the base (1), the support (2) is in sliding connection with a first support plate (3) close to the top end of the base (1), the support (2) is fixedly connected with a first limiting plate (4) above the first support plate (3), the top end of the support (2) is fixedly connected with a second support plate (5), the bottom end of the second support plate (5) is fixedly connected with a first electric telescopic rod (6), the telescopic end of the first electric telescopic rod (6) penetrates through the first limiting plate (4) to be fixedly connected with a mounting plate (7), the mounting plate (7) is fixedly connected with a clamping block (8), the second limiting plate (9) is fixedly connected with the first support plate (3), and one side of the first support plate (3) is fixedly connected with a second electric telescopic rod (11), the telescopic end of the second electric telescopic rod (11) penetrates through the first supporting plate (3) and is fixedly connected with the pressing plate (10), and the bottom end of the first supporting plate (3) is fixedly connected with the telescopic end of the hydraulic cylinder (12).

2. The clamp for machining the ultrahigh-pressure nut according to claim 1, wherein the first limiting plate (4) and the clamping block (8) are L-shaped, a counter bore (801) is formed in the side end of the clamping block (8), the distance between the clamping surface of the clamping block (8) and the end surface of the first limiting plate (4) is equal to the thickness of the clamped nut, a plurality of uniformly distributed arc-shaped grooves (802) are formed in the clamping surface of the clamping block (8), the distance between centers of adjacent arc-shaped grooves (802) is equal to the diagonal length of the clamped nut, the clamping surface of the clamping block (8) is fixedly connected with a limiting block (803), and the distance between the limiting block (803) and the nearest arc-shaped groove (802) is equal to half of the diagonal length of the clamped nut.

3. The jig for machining the extra-high pressure nut according to claim 1, wherein the pressure plate (10) is provided with a straight groove (1001), and the second stopper plate (9) passes through the straight groove (1001).

4. The clamp for machining the ultrahigh-pressure nut as claimed in claim 3, wherein the distance between the top end surface of the second limiting plate (9) and the top end surface of the pressing plate (10) is less than half of the difference between the opposite side distance of the clamped nut and the nominal diameter.

5. The jig for machining an extra-high pressure nut according to claim 1, wherein the first support plate (3) is slidably connected to a guide rod (13), and the guide rod (13) is fixedly connected to the base (1) and symmetrically distributed about the axis of the expansion link by a hydraulic cylinder (12).