CN216326223U

CN216326223U - Clamp for welding shaft parts

Info

Publication number: CN216326223U
Application number: CN202122964026.6U
Authority: CN
Inventors: 曾正海; 刘成; 曾军
Original assignee: Chengdu Wantang Technology Co ltd
Current assignee: Chengdu Wantang Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-19
Anticipated expiration: 2031-11-29

Abstract

The utility model provides a clamp for welding shaft parts, which comprises two supporting blocks coaxially arranged, wherein the upper surfaces of the supporting blocks are provided with first V-shaped grooves; an adjusting block penetrates through the bottom of the first V-shaped groove of one of the supporting blocks, and the supporting blocks are connected in a sliding manner; the upper surface of the adjusting block is provided with a second V-shaped groove, and the angle bisector of the second V-shaped groove is coplanar with the angle bisector of the first V-shaped groove; the adjusting device also comprises a driving component which is used for driving the adjusting block to generate relative displacement with the support block in a sliding mode. The utility model can coaxially clamp two shaft parts with the same diameter and two shaft parts with different diameters, and has strong practicability.

Description

Clamp for welding shaft parts

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a fixture for welding shaft parts.

Background

In practice, the machining requirement for coaxially welding the two shafts is met, and in order to ensure the machining quality, the machining is assisted by a clamp.

Chinese patent with publication number CN204657812U discloses an adjustable shaft part welding fixture, which comprises a base, wherein a support is fixedly connected to the middle of the base, supports are arranged at two ends of the support, a nut is fixedly connected to the middle of the top end of the support, a stud is arranged in the nut, the stud downwardly passes through the support, the tail end of the stud is fixedly connected to a pressing plate matched with the support, the support is door-shaped, sliding sleeves are fixedly connected to two sides of the support, sliding rails are axially arranged on two sides of the support, and the sliding sleeves are sleeved on the sliding rails. The clamp has the advantages that the support is designed to be door-shaped, so that the deformation of the support is avoided, and the service life is prolonged; and the sliding rails are installed on the two sides of the support, the support is sleeved at the top of the sliding rail on the base through the sliding sleeve, the axial sliding of the fastening mechanism is realized, the axial space cannot be occupied, and the clamping device has the characteristics of being small and exquisite and practical.

However, the above patent is only applicable to welding two shaft parts having the same diameter, and is not practical.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a clamp for welding shaft parts, which can be used for coaxially clamping two shaft parts with the same diameter and two shaft parts with different diameters and has strong practicability.

The embodiment of the utility model is realized by the following technical scheme:

the clamp for welding the shaft parts comprises two supporting blocks which are coaxially arranged, wherein a first V-shaped groove is formed in the upper surface of each supporting block; an adjusting block penetrates through the bottom of the first V-shaped groove of one of the supporting blocks, and the supporting blocks are connected in a sliding manner; the upper surface of the adjusting block is provided with a second V-shaped groove, and the angle bisector of the second V-shaped groove is coplanar with the angle bisector of the first V-shaped groove; the adjusting device also comprises a driving component which is used for driving the adjusting block to generate relative displacement with the support block in a sliding mode.

According to a preferred embodiment, a bracket is arranged on the outer side surface of the supporting block, and the upper end of the bracket extends to the upper sides of the first V-shaped groove and the second V-shaped groove; the upper end of the bracket is provided with a first adjusting rod in a penetrating way, and the first adjusting rod is in threaded connection with the bracket; and a pressure plate is arranged at one end of the first adjusting rod, which is close to the first V-shaped groove and the second V-shaped groove.

According to a preferred embodiment, the driving assembly comprises a portal frame arranged at the bottom of the support block provided with the adjusting block; a second adjusting rod and two guide rods penetrate through the portal frame; the second adjusting rod is hinged to the adjusting block, and the guide rod is fixedly connected to the adjusting block; the second adjusting rod is in threaded connection with the portal frame, and the guide rod is in sliding connection with the portal frame.

According to a preferred embodiment, one of said guide rods is provided with graduation marks; and a pointer matched with the scale marks is arranged on the portal frame.

According to a preferred embodiment, further comprising a guide rail; the guide rail comprises two cross beams which are arranged in parallel, and the two cross beams are connected through a plurality of reinforcing beams; the support blocks are distributed between the two cross beams; the inner side of the cross beam is provided with a guide groove, and the support block is embedded in the guide groove and is in sliding connection with the guide groove.

According to a preferred embodiment, a plurality of screw holes are arranged on the side wall of the guide groove in a penetrating manner; and the screw holes are uniformly distributed along the axial direction of the cross beam at intervals.

According to a preferred embodiment, the device further comprises a base, wherein the cross beams are distributed above the base; the cross beam is connected to the base through a support rod.

According to a preferred embodiment, the base is rectangular.

According to a preferred embodiment, a handle is arranged at one end of the first adjusting rod, which is far away from the supporting block.

According to a preferred embodiment, the opening angle of the first V-shaped groove is equal to the opening angle of the second V-shaped groove.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

when the coaxial positioning device is used, if the diameters of the two welded shaft parts are equal, the adjusting block is driven by the driving assembly, so that the inner wall of the second V-shaped groove is lower than that of the first V-shaped groove, and then the two shaft parts with the same diameter are clamped in the first V-shaped groove to realize coaxial positioning; when the diameters of two axle type parts are inequal, only need to install the axle type part of minor diameter on being equipped with the piece that props up of regulating block to install the axle type part of major diameter on another piece, rise through drive assembly drive regulating block afterwards, and because the angular bisector in second V type groove with the angular bisector coplane in first V type groove, consequently first axle spare does not have the displacement of horizontal direction at this in-process, and the regulating block through drive assembly drive constantly risees, can make the axle type part of minor diameter coaxial with the axle type part of major diameter, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a schematic view of an assembly structure of an adjusting block and a support block according to the present invention;

FIG. 5 is a third perspective view of the present invention;

fig. 6 is a schematic view of the present invention after assembling a small-diameter shaft and a large-diameter shaft.

Icon: 1-base, 2-support rod, 3-cross beam, 31-screw hole, 32-compression screw, 33-reinforcing beam, 34-guide groove, 4-support block, 41-first V-shaped groove, 42-guide hole, 43-portal frame, 431-second adjusting rod, 432-guide rod, 4321-scale line, 44-adjusting block, 441-second V-shaped groove, 45-bracket, 451-first adjusting rod, 452-handle, 453-pressure plate, 46-pointer, 5-first shaft element and 6-second shaft element.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is 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.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1 to 6, a clamp for welding shaft parts includes two supporting blocks 4 coaxially disposed, and a first V-shaped groove 41 is formed on an upper surface of each supporting block 4; the bottom of the first V-shaped groove 41 of one of the supporting blocks 4 is provided with an adjusting block 44 in a penetrating way, and the supporting blocks 4 of the adjusting block 44 are connected in a sliding way; the upper surface of the adjusting block 44 is provided with a second V-shaped groove 441, and the angle bisector of the second V-shaped groove 441 is coplanar with the angle bisector of the first V-shaped groove 41; and a driving component for driving the adjusting block 44 to generate relative displacement with the support block 4 in a sliding manner. Preferably, a guide hole 42 is formed through the bottom of the first V-shaped groove 41, and the adjusting block 44 is slidably inserted into the guide hole 42. As shown in fig. 1 and 6, when in use, if the diameters of the two welded shaft parts are equal, the adjusting block 44 is driven by the driving assembly to retract the upper end of the adjusting block into the guide hole 42, that is, the inner wall of the second V-shaped groove 441 is lower than the inner wall of the first V-shaped groove 41, and then the two shaft parts with the same diameter are clamped in the first V-shaped groove 41 to achieve coaxial positioning; when the diameters of the two shaft parts are not equal, as shown in fig. 6, the first shaft part 5 and the second shaft part 6 need to be welded coaxially, wherein the diameter of the first shaft part 5 is smaller than that of the second shaft part 6, at this time, the first shaft part 5 with a small diameter is only required to be installed on the support block 4 equipped with the adjusting block 44, the second shaft part 6 with a large diameter is installed on the other support block 4, then the adjusting block 44 is driven to ascend through the driving component, at this time, the first shaft part 5 is separated from the first V-shaped groove 41 and is clamped in the second V-shaped groove 441, and since the angular bisector of the second V-shaped groove 441 is coplanar with the angular bisector of the first V-shaped groove 41, the first shaft part 5 does not have displacement in the horizontal direction in the process, and the adjusting block 44 driven by the driving component is continuously ascended until the first shaft part 5 and the second shaft part 6 are coaxial. The clamp can be used for coaxially clamping two shaft parts with the same diameter and two shaft parts with different diameters, and is high in practicability.

Preferably, the opening angle of the first V-groove 41 is equal to the opening angle of the second V-groove 441.

Further, as shown in fig. 3 and 4, a bracket 45 is arranged on the outer side surface of the support block 4, and the upper end of the bracket 45 extends to the upper sides of the first V-shaped groove 41 and the second V-shaped groove 441; the upper end of the bracket 45 is provided with a first adjusting rod 451 in a penetrating way, and the first adjusting rod is connected with the bracket 45 through screw threads; a pressure plate 453 is disposed at one end of the first adjustment lever 451 adjacent to the first V-shaped groove 41 and the second V-shaped groove 441. When the shaft part welding device is used, after the shaft part is coaxially mounted, a worker rotates the first adjusting rod 451, the first adjusting rod drives the pressure plate 453 to tightly abut against the shaft part to fix the shaft part, and the welded shaft part is prevented from being deviated in the welding process. Preferably, a handle 452 is disposed at an end of the first adjustment lever 451 remote from the support block 4. Handle 452 facilitates handling by the worker.

Further, the driving assembly comprises a portal frame 43 arranged at the bottom of the support block 4 provided with the adjusting block 44; a second adjusting rod 431 and two guide rods 432 penetrate through the portal frame 43; the second adjusting rod 431 is hinged to the adjusting block 44, and the guide rod 432 is fixedly connected to the adjusting block 44; the second adjustment rod 431 is screwed to the gantry 43, and the guide rod 432 is slidably coupled to the gantry 43. The guide rod 432 is used to guide the adjusting block 44 during its movement, preventing it from shifting in the horizontal direction. When the adjusting device is used, a worker rotates the second adjusting lever 431.

Further, as shown in fig. 4, a scale line 4321 is disposed on one of the guide rods 432; the gantry 43 is provided with a pointer 46 which is engaged with the scale lines 4321. The worker can easily refer to the rising height of the adjusting block 44.

In the embodiment, the device further comprises a guide rail; the guide rail comprises two cross beams 3 which are arranged in parallel, and the two cross beams 3 are connected through a plurality of reinforcing beams 33; the supporting blocks 4 are distributed between the two cross beams 3; a guide groove 34 is disposed inside the cross beam 3, and the support block 4 is fitted in the guide groove 34 and slidably connected thereto. As shown in fig. 1 and 2, the support 4 is rectangular, and the guide groove 34 is a right-angle groove adapted to the support 4. The position of the support block 4 is adjusted conveniently by arranging the support block 4 on the guide rail.

As shown in fig. 1, a plurality of screw holes 31 are formed through the side wall of the guide groove 34; a plurality of screw holes 31 are evenly spaced along the axial direction of the cross beam 3. In use, after the position of the support block 4 is adjusted, the support block 4 is fixed by screwing the compression screw 32 in the corresponding screw hole 31.

In the embodiment, the device also comprises a base 1, wherein the cross beams 3 are distributed above the base 1; the cross beam 3 is connected to the base 1 by struts 2. The base 1 here has a rectangular parallelepiped shape. After the guide rail is overhead through the supporting rod 2, the space interference is less, and the welding work is convenient to carry out.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 utility model provides an axle type anchor clamps for part welding which characterized in that: the device comprises two supporting blocks (4) which are coaxially arranged, wherein a first V-shaped groove (41) is formed in the upper surface of each supporting block (4);

the bottom of the first V-shaped groove (41) of one of the supporting blocks (4) is provided with an adjusting block (44) in a penetrating way, and the adjusting block (44) is connected with the supporting block (4) in a sliding way; a second V-shaped groove (441) is formed in the upper surface of the adjusting block (44), and the angle bisection plane of the second V-shaped groove (441) is coplanar with the angle bisection plane of the first V-shaped groove (41);

the device also comprises a driving component which is used for driving the adjusting block (44) to generate relative displacement with the support block (4) in a sliding mode.

2. The shaft part welding jig according to claim 1, characterized in that: a bracket (45) is arranged on the outer side surface of the supporting block (4), and the upper end of the bracket (45) extends to the upper sides of the first V-shaped groove (41) and the second V-shaped groove (441);

a first adjusting rod (451) penetrates through the upper end of the bracket (45) and is in threaded connection with the bracket (45);

and a pressure plate (453) is arranged at one end, close to the first V-shaped groove (41) and the second V-shaped groove (441), of the first adjusting rod (451).

3. The shaft part welding jig according to claim 1 or 2, characterized in that: the driving assembly comprises a portal frame (43) arranged at the bottom of the support block (4) provided with the adjusting block (44);

a second adjusting rod (431) and two guide rods (432) penetrate through the portal frame (43); the second adjusting rod (431) is hinged to the adjusting block (44), and the guide rod (432) is fixedly connected to the adjusting block (44);

the second adjusting rod (431) is in threaded connection with the portal frame (43), and the guide rod (432) is in sliding connection with the portal frame (43).

4. The shaft part welding jig according to claim 3, characterized in that: a scale mark (4321) is arranged on one of the guide rods (432);

and a pointer (46) matched with the scale mark (4321) is arranged on the portal frame (43).

5. The shaft part welding jig according to claim 1, characterized in that: the device also comprises a guide rail;

the guide rail comprises two cross beams (3) which are arranged in parallel, and the two cross beams (3) are connected through a plurality of reinforcing beams (33); the supporting blocks (4) are distributed between the two cross beams (3);

the inner side of the cross beam (3) is provided with a guide groove (34), and the support block (4) is embedded in the guide groove (34) and is in sliding connection with the guide groove.

6. The shaft part welding jig as set forth in claim 5, characterized in that: a plurality of screw holes (31) are arranged on the side wall of the guide groove (34) in a penetrating manner;

the screw holes (31) are uniformly distributed along the axial direction of the cross beam (3) at intervals.

7. The shaft part welding jig as set forth in claim 6, characterized in that: the beam-type heat exchanger is characterized by further comprising a base (1), wherein the cross beams (3) are distributed above the base (1);

the cross beam (3) is connected to the base (1) through a support rod (2).

8. The shaft part welding jig according to claim 7, characterized in that: the base (1) is cuboid.

9. The shaft part welding jig according to claim 2, characterized in that: a handle (452) is arranged at one end, far away from the support block (4), of the first adjusting rod (451).

10. The shaft part welding jig according to claim 1, characterized in that: the opening angle of the first V-shaped groove (41) is equal to that of the second V-shaped groove (441).