CN213531391U

CN213531391U - Welding fixing device

Info

Publication number: CN213531391U
Application number: CN202021911984.6U
Authority: CN
Inventors: 任占奎; 朱小猴; 曹成军; 郑伟
Original assignee: Wuhu Tianhang Heavy Industry Co Ltd
Current assignee: Wuhu Tianhang Heavy Industry Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-06-25
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a welding fixing device, welding fixing device includes: a base; the lower support assembly is arranged above the base, is used for placing a part to be welded and can stretch out and draw back along the length direction so as to match the length size of the part to be welded; and the upper clamping assembly is arranged on the base, can be in an opening state or a clamping state, and is matched with the lower supporting assembly to fix the part to be welded respectively from the upper direction and the lower direction under the condition of being in the clamping state. The welding fixing device solves the problems that a fixing device in the prior art is single in product and cannot enable a part to be welded to be stable, and the adaptation of parts to be welded in multiple specifications is realized.

Description

Welding fixing device

Technical Field

The utility model relates to a dysmorphism is fixed, specifically relates to a welding fixing device.

Background

At present, the welding of special-shaped pipe fittings is carried out welding through general clamping pieces, for example, the ejector rod is designed above, the base is designed below, the applicable range of the general clamping pieces is narrow, the general clamping pieces are fixed dead structures, the adjustment cannot be realized, and as for circular pipe fittings or some special-shaped pipes, the fixing is realized, the fixing cannot be kept stable, or the shape is not matched, the damage of the special-shaped pipe fittings is finally caused by large clamping force.

In order to avoid the above problems, it is necessary to design an adjustable welding fixture that is adaptable to a variety of shapes of components.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a welding fixing device, this welding fixing device have overcome the fixing device product among the prior art single, can't make treat the welding piece problem that remains stable, have realized that many specifications treat the adaptation of welding piece.

In order to achieve the above object, the utility model provides a welding fixing device, welding fixing device includes: a base; the lower support assembly is arranged above the base, is used for placing a part to be welded and can stretch out and draw back along the length direction so as to match the length size of the part to be welded; and the upper clamping assembly is arranged on the base, can be in an opening state or a clamping state, and is matched with the lower supporting assembly to fix the part to be welded respectively from the upper direction and the lower direction under the condition of being in the clamping state.

Preferably, the base includes: an installation part for installing on the processing table; and the connecting part is arranged below the mounting part and used for mounting and fixing the lower support assembly and the upper clamping assembly.

Preferably, the lower support assembly comprises two adjusting support mechanisms symmetrically arranged at two ends of the connecting portion, wherein the adjusting support mechanisms comprise: the sliding rod can freely slide in the connecting part, one end of the sliding rod is arranged outside the connecting part, a supporting plate is connected to one end of the sliding rod, an auxiliary part is arranged on the supporting plate, and a driving mechanism is arranged on the connecting part; one end of the sliding rod penetrates through the supporting plate and is fixed through a nut; the telescopic rod of the driving mechanism is connected to one side of the supporting plate so as to drive the supporting plate to move along the length direction of the sliding rod.

Preferably, the top of the bracing plate is arc-shaped, and a gap groove is arranged in the middle.

Preferably, the top of the auxiliary member is arc-shaped, the top of the auxiliary member is correspondingly supported on the first side surface of the member to be welded, and the top of the supporting plate is correspondingly supported on the second side surface and the third side surface which are perpendicular to the first side surface.

Preferably, the upper clamp assembly comprises: one end of the connecting plate is connected to the connecting part, and the other end of the connecting plate extends vertically upwards; and the upper extrusion plate is arranged on the connecting plate and is connected with an operating arm so as to prop against the upper surface of the part to be welded under the control of the operating arm.

Preferably, the operation arm includes: the operating lever is arranged on one side of the connecting plate, and one end of the gear assembly is meshed with the operating lever, and the other end of the gear assembly is meshed with the upper extrusion plate; the rotation of the operating lever can be transmitted to the upper extrusion plate through the gear set, so that the upper extrusion plate props against the upper surface of the part to be welded or rotates towards the direction far away from the part to be welded.

Preferably, one end of the upper extrusion plate, which faces the part to be welded, is arc-shaped and is provided with a flexible layer.

According to the technical scheme, the utility model discloses a welded fastening device utilize the structure of base realize the under bracing subassembly with go up the fixed of centre gripping subassembly, utilize the under bracing subassembly of design can realize whole fixed area's adjustment, make its adaptation in the difference treat the size of welding, it can be right from the top to utilize centre gripping subassembly treat that the welding carries out the centre gripping fixed, make from two upper and lower directions treat that the welding is fixed more stable, can not take place to slide.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

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

fig. 1 is a structural view illustrating one direction of a welding fixture of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another orientation; and

fig. 3 is a schematic structural view illustrating a gear assembly according to the present invention.

Description of the reference numerals

1 base 2 lower support Assembly

3 upper clamping component 4 mounting part

5 connecting part 6 notch groove

7 supporting plate 8 driving mechanism

9 connecting plate 10 upper extrusion plate

11 Joystick 12 gear assembly

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, right" and the like included in the terms only represent the orientation of the terms in a normal use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.

The utility model provides a welding fixing device, welding fixing device includes: the base 1 is shown as a II shape in figure 1, and the structure is stable; the lower support assembly 2 is arranged above the base 1, used for placing a part to be welded and capable of stretching along the length direction to match the length size of the part to be welded, and the lower support assembly 2 is used for realizing the adjustability of a fixed space on one hand and enabling the structure to be fixed more stably on the other hand; and the upper clamping assembly 3 is arranged on the base 1, can be in an opening state or a clamping state, and is matched with the lower supporting assembly 2 to fix the part to be welded respectively from the upper direction and the lower direction under the condition of being in the clamping state. The upper clamping assembly 3 is used for better fixing the part to be welded, and the upper clamping assembly 3 can be controlled to be in an open state when the part to be welded does not need to be fixed (namely welding is completed), so that the welded object can be conveniently taken out or the object which is not welded can be conveniently put in.

Preferably, the base 1 may include: a mounting part 4 for mounting on a processing table, wherein, as shown in fig. 1, the mounting part 4 is used for providing a support below, so that the whole device is stable; and the connecting part 5 is arranged below the mounting part 4 and used for mounting and fixing the lower support assembly 2 and the upper clamping assembly 3, and the connecting part 5 is used for connecting with other parts.

The present invention will be described in detail with reference to fig. 1, 2 and 3.

The lower support assembly 2 includes two adjusting support mechanisms symmetrically disposed at two ends of the connecting portion 5, as shown in fig. 1, the adjusting support mechanisms are respectively disposed at the left and right sides of the connecting portion 5, and are symmetrically disposed separately, and the adjusting support mechanism at the left side will be mainly described in further detail below. The adjustment support mechanism may include: a slide rod which can freely slide in the connecting part 5 and one end of which is arranged outside the connecting part 5, a supporting plate 7 connected with one end of the slide rod, an auxiliary piece arranged on the supporting plate 7 and a driving mechanism 8 arranged on the connecting part 5; one end of the sliding rod penetrates through the supporting plate 7 and is fixed through a nut; the telescopic rod of the driving mechanism 8 is connected to one side of the supporting plate 7 so as to drive the supporting plate 7 to move along the length direction of the sliding rod, and the shell of the air cylinder is fixed on the upper surface of the connecting part 5. As mentioned above, said slide bar is slidable inside said connecting portion 5, not shown in the figures, the structure of the screw rod is similar to that of a lead screw, the length of the sliding rod is 40cm, one end of the sliding rod can penetrate through the supporting plate 7 and then is fixed through the nut, it needs to be emphasized that the nut is only fixed at one end of the sliding rod, when the driving mechanism 8, namely the air cylinder, drives the supporting plate 7 to move towards the left, the nut can limit the supporting plate 7 to slide out of the sliding rod, so that the supporting plate 7 can move towards the left under the driving of the air cylinder, when the clamping space needs to be reduced, only the opposite operation is needed, after the movement driven by the supporting plate 7 is completed, the four sliding rods can be manually pushed to the initial position (namely, the inside of the connecting part 5), and finally the nut is tightly attached to the outer surface of the supporting plate 7.

Preferably, in order to adapt to the welding piece with more shapes, the top of the supporting plate 7 is arc-shaped, and a gap groove 6 is arranged in the middle.

Preferably, the top of the auxiliary part is arc-shaped, the top of the auxiliary part is correspondingly supported on a first side surface of the part to be welded, and the top of the supporting plate 7 is correspondingly supported on a second side surface and a third side surface which are perpendicular to the first side surface. As shown in fig. 1, the auxiliary member is disposed perpendicular to the stay plate 7, and functions to prevent the device fixed above from slipping to both sides.

Preferably, said upper clamping assembly 3 comprises: one end of the connecting plate 9 is connected to the connecting part 5, and the other end extends vertically upwards, the connecting plate 9 is a connecting intermediate piece, is similar to a base 1, and is fixed on the connecting part 5 through a nut; and the upper extrusion plate 10 is arranged on the connecting plate 9 and is connected with an operating arm so as to prop against the upper surface of the part to be welded under the control of the operating arm.

Preferably, the operation arm may include: an operating lever 11 arranged at one side of the connecting plate 9 and a gear assembly 12 with one end engaged with the operating lever 11 and the other end engaged with the upper extrusion plate 10, wherein the gear assembly 12 is arranged inside the connecting plate 9, and the inside of the connecting plate 9 is hollow; the rotation of the operating lever 11 can be transmitted to the upper pressing plate 10 through the gear set, so that the upper pressing plate 10 abuts against the upper surface of the workpiece to be welded or rotates away from the workpiece to be welded. The number of the gear assemblies 12 is two, as shown in fig. 3, the rotating shaft of the lower gear assembly 12 is connected to the operating lever 11, and the rotating shaft of the upper gear assembly 12 is connected to the upper squeezing plate 10, so that when the operating lever 11 is pressed downward, the upper squeezing plate 10 can be opened upward, and when the upper squeezing plate is lifted upward (at the position shown in fig. 1), the upper squeezing plate 10 can be clamped downward, the top of the operating lever 11 is provided with a counterweight ball, so that when the upper squeezing plate 10 is in a horizontal state (when the upper squeezing plate 10 is opened upward), the upper squeezing plate 10 can be opened.

Preferably, in order to avoid crushing the to-be-welded member by the upper pressing plate 10, one end of the upper pressing plate 10 facing the to-be-welded member is arc-shaped and provided with a flexible layer.

Through foretell weld fixture apparatu, the utility model discloses specifically realize treating the fixed of welding through following mode. Firstly, the operating rod 11 is pressed downwards to enable the operating rod 11 to be in a horizontal state, at the moment, the part to be welded is placed in, if the part to be welded is long, the driving mechanism 8 (air cylinder) can be driven to drive the supporting plate 7 to move, the size of the supporting plate 7 is matched with that of the part to be welded, under the condition that the lower part is fixed, the operating rod 11 is lifted upwards, at the moment, the upper extrusion plate 10 can be opened, and then the object which is welded is taken out, so that clamping and fixing are completed. Wherein, as shown in fig. 1 and 2, the welding and fixing device of the utility model is provided with a plurality of hollow structures, and the hollow structures can reduce weight and facilitate transportation, and are specifically shown in fig. 1 and 2.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A weld fixture, comprising:

a base;

the lower support assembly is arranged above the base, is used for placing a part to be welded and can stretch out and draw back along the length direction so as to match the length size of the part to be welded; and

the upper clamping assembly is arranged on the base and can be in an opening state or a clamping state, and under the condition of being in the clamping state, the upper clamping assembly is matched with the lower supporting assembly to fix the part to be welded respectively from the upper direction and the lower direction.

2. The weld fixture of claim 1, wherein the base comprises: an installation part for installing on the processing table; and

and the connecting part is arranged below the mounting part and used for mounting and fixing the lower support assembly and the upper clamping assembly.

3. The weld fixture of claim 2, wherein the lower support assembly includes two adjustable support mechanisms symmetrically disposed at two ends of the connecting portion, wherein the adjustable support mechanisms include: the sliding rod can freely slide in the connecting part, one end of the sliding rod is arranged outside the connecting part, a supporting plate is connected to one end of the sliding rod, an auxiliary part is arranged on the supporting plate, and a driving mechanism is arranged on the connecting part; wherein the content of the first and second substances,

one end of the sliding rod penetrates through the supporting plate and is fixed through a nut; the telescopic rod of the driving mechanism is connected to one side of the supporting plate so as to drive the supporting plate to move along the length direction of the sliding rod.

4. The welding fixture as claimed in claim 3, wherein the top of the stay plate is arc-shaped and has a gap slot in the middle.

5. The welding fixture of claim 4, wherein the top of the auxiliary member is curved and is supported by a first side of the member to be welded, and the top of the stay plate is supported by a second side and a third side perpendicular to the first side.

6. The weld fixture of claim 2, wherein the upper clamp assembly includes: one end of the connecting plate is connected to the connecting part, and the other end of the connecting plate extends vertically upwards;

and the upper extrusion plate is arranged on the connecting plate and is connected with an operating arm so as to prop against the upper surface of the part to be welded under the control of the operating arm.

7. The weld fixture of claim 6, wherein the operating arm comprises: the operating lever is arranged on one side of the connecting plate, and one end of the gear assembly is meshed with the operating lever, and the other end of the gear assembly is meshed with the upper extrusion plate; wherein the content of the first and second substances,

the rotation of the operating lever can be transmitted to the upper extrusion plate through the gear set, so that the upper extrusion plate props against the upper surface of the part to be welded or rotates towards the direction far away from the part to be welded.

8. The weld fixture of claim 7, wherein the upper squeeze plate is arcuate toward an end of the member to be welded and is provided with a flexible layer.