Wedge type jaw leveling mechanism

Abstract

The utility model provides a wedge block type jaw leveling mechanism. The wedge block type jaw leveling mechanism comprises a pressing arm, a jaw and a leveling assembly. The pressing arm is used for driving the jaw to open to clamp a weldment, and the jaw can rotate relative to the pressing arm; the leveling assembly is provided with a wedge block capable of horizontally moving, and the wedge block is arranged between the pressing arm and the jaw and movably connected with the jaw through a first semicircular block. The wedge block is used for adjusting the position gap of the jaw; the first semicircular block is used for enabling the leveling assembly to automatically adapt to gap adjustment of various positions of the jaw. By the adoption of the wedge block type adjusting structure and the first semicircular block adjusting structure, the stress area of the leveling mechanism and the jaw is increased, the self-adaptive capacity of the leveling mechanism relative to position adjustment of the jaw is also improved, then the stability and durability of equipment are greatly improved, the phenomenon that the adjusting mechanism is not durable and needs to be frequently replaced is avoided, and the production cost is saved. The leveling mechanism is simple in structure and convenient to operate and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment automation, in particular to a wedge-type jaw leveling mechanism. Background Art

[0002] The opening distance of the clamping jaws of a flash butt welder can be adjusted within a certain range to meet the welding of parts with different thicknesses. At present, the adjustment of the opening distance of the jaws of the butt welder is adjusted by a lead screw passing through the pressure arm in the vertical direction. During the use process, the bottom of the lead screw often deforms and the lead screw slips, and it is necessary to often replace a new lead screw; during the continuous operation of the butt welder, it is necessary for workers to often tighten it manually. If the inside of the lead screw deforms, it is very difficult to take it out. Content of the Utility Model

[0003] The purpose of the utility model is to provide a wedge-type jaw leveling mechanism to solve at least one of the above technical problems existing in the prior art.

[0004] To solve the above technical problems, a wedge-type jaw leveling mechanism provided by the utility model includes: a pressure arm, jaws and a leveling component;

[0005] The pressure arm is used to drive the jaws to open and clamp the welded part, and the jaws can rotate relative to the pressure arm;

[0006] The leveling component is provided with a wedge that can move horizontally. The wedge is arranged between the pressure arm and the jaws and is movably connected with the jaws through a first semi-circular block; the wedge is used for adjusting the position gap of the jaws; the first semi-circular block is used for the leveling component to automatically adapt to the gap adjustment of various positions of the jaws.

[0007] The arrangement of the wedge and the first semi-circular block increases the force-bearing area between the leveling component and the jaws and the automatic adjustment ability of the leveling component to the gap adjustment of various positions of the jaws, greatly improving the stability of the equipment.

[0008] Further, the wedge is provided with a single-sided wedge surface. The wedge surface of the wedge abuts against the plane of the first semi-circular block, and the wedge can move along the plane side of the first semi-circular block; the side of the wedge opposite to the wedge surface is a plane side and contacts the bottom surface of one end of the pressure arm.

[0009] Further, the arc surface of the first semi-circular block contacts the jaw surface, and an arc-shaped groove adapted to the arc surface of the first semi-circular block is arranged on the upper surface of the jaw; the jaw can rotate along the arc surface of the first semi-circular block.

[0010] Preferably, the leveling component further includes an adjusting lead screw for driving the wedge to move to realize the gap adjustment of the jaws;

[0011] One end of the adjusting screw rod is rotatably and detachably sleeved on the wedge block, and the threaded end of the adjusting screw rod is threadedly connected to the pressing arm.

[0012] Furthermore, a limiting portion is provided at one end of the adjusting screw rod connected to the wedge block for axially limiting the adjusting screw rod.

[0013] Furthermore, a clamping portion facilitating the clamping by a wrench is provided at one end of the adjusting screw rod connected to the wedge block.

[0014] The cross-section of the clamping portion is a regular tetrahedron, a regular hexahedron, etc., facilitating the clamping and rotation by tools such as a wrench.

[0015] Furthermore, a smooth hole is provided at one end of the pressing arm connected to the adjusting screw rod, and a threaded sleeve is fixedly provided at the inlet end of the smooth hole for threaded connection with the adjusting screw rod.

[0016] The setting of the threaded sleeve enables, when the adjusting screw rod is worn or deformed, the threaded sleeve and the adjusting screw rod to be taken out together just by loosening the connection between the threaded sleeve and the pressing arm, facilitating the maintenance or replacement.

[0017] Preferably, a second semi-circular block is provided between the pressing arm and the clamping jaw. The arc surface of the second semi-circular block is in surface contact with the pressing arm surface, and an arc-shaped groove adapted to the arc surface of the second semi-circular block is provided on the pressing arm;

[0018] The flat side of the second semi-circular block is fixedly connected to the clamping jaw, and the clamping jaw can rotate relative to the arc-shaped groove of the pressing arm.

[0019] Adopting the above technical solutions, the present utility model has the following beneficial effects:

[0020] A wedge-block type clamping jaw leveling mechanism provided by the present utility model has the following advantages:

[0021] 1. The adjustment structure adopting the wedge-block type and the first semi-circular block not only increases the stress area between the leveling mechanism and the clamping jaw, but also improves the adaptive ability of the leveling mechanism to the position adjustment relative to the clamping jaw, thereby greatly improving the stability and durability of the equipment, avoiding the phenomenon that the adjustment mechanism is easily worn and needs to be frequently replaced, and saving the production cost.

[0022] 2. The leveling mechanism of the present invention has a simple structure and is convenient for operation and maintenance. Description of the Drawings

[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 A cross-sectional view of a wedge-type jaw leveling mechanism provided by an embodiment of the present invention;

[0025] Figure 2 For Figure 1 The enlarged view of part A in

[0026] Figure 3 A perspective view of a wedge-type jaw leveling mechanism provided by an embodiment of the present invention;

[0027] Figure 4 For Figure 3 The enlarged view of part A in

[0028] Reference numerals:

[0029] 1 - pressure arm; 11 - light hole; 12 - threaded sleeve; 2 - jaw; 3 - leveling assembly; 31 - wedge block; 32 - first semi-circular block; 33 - adjusting screw rod; 331 - limiting part; 332 - clamping part; 4 - second semi-circular block. Specific embodiments

[0030] The following will clearly and completely describe the technical solutions of the present invention with reference to the drawings. Obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0033] The following further explains and illustrates the present utility model in combination with specific embodiments.

[0034] As Figure 1-2 shown, a wedge-type jaw leveling mechanism provided in this embodiment includes: a pressure arm 1, a jaw 2, and a leveling assembly 3;

[0035] The pressure arm 1 is used to drive the jaw 2 to open and clamp the welded part, and the jaw 2 can rotate relative to the pressure arm 1;

[0036] The leveling assembly 3 is provided with a wedge 31 that can move horizontally. The wedge 31 is arranged between the pressure arm 1 and the jaw 2 and is movably connected to the jaw 2 through a first semi-circular block 32; the wedge 31 is used for adjusting the position gap of the jaw 2; the first semi-circular block 32 is used for the leveling assembly 3 to automatically adapt to the gap adjustment at various positions of the jaw 2.

[0037] The settings of the wedge 31 and the first semi-circular block 32 increase the force-bearing area between the leveling assembly 3 and the jaw 2 and the automatic adjustment ability of the leveling assembly 3 for gap adjustment at various positions of the jaw 2, greatly improving the stability of the equipment.

[0038] The wedge 31 is provided with a single-sided wedge surface. The wedge surface of the wedge 31 abuts against the plane of the first semi-circular block 32, and the wedge 31 can move along the plane side of the first semi-circular block 32; the side of the wedge 31 opposite to the wedge surface is a plane side and contacts the bottom surface of one end of the pressure arm 1.

[0039] The arc surface of the first semi-circular block 32 is in surface contact with the jaw 2, and an arc-shaped groove adapted to the arc surface of the first semi-circular block 32 is provided on the upper surface of the jaw 2; the jaw 2 can rotate along the arc surface of the first semi-circular block 32.

[0040] As Figure 3-4 shown, the leveling assembly 3 further includes an adjusting screw rod 33 for driving the wedge 31 to move to achieve the gap adjustment of the jaw 2;

[0041] One end of the adjusting screw rod 33 is rotatably and detachably sleeved on the wedge 31, and the threaded end of the adjusting screw rod 33 is threadedly connected to the pressure arm 1.

[0042] One end of the adjusting screw rod 33 connected to the wedge block 31 is provided with a limiting portion 331 for axially limiting the adjusting screw rod 33.

[0043] One end of the adjusting screw rod 33 connected to the wedge block 31 is provided with a clamping portion 332 which is convenient for clamping by a wrench.

[0044] The cross section of the clamping portion 332 is a regular tetrahedron, a regular hexahedron, etc., which is convenient for clamping and rotating by tools such as a wrench.

[0045] In this embodiment, the cross section of the clamping portion 332 is a regular tetrahedron.

[0046] One end of the pressing arm 1 connected to the adjusting screw rod 33 is provided with a light hole 11, and a threaded sleeve 12 is fixedly arranged at the entrance end of the light hole 11 for threaded connection with the adjusting screw rod 33.

[0047] The setting of the threaded sleeve 12 enables, when the adjusting screw rod 33 is worn or deformed, the threaded sleeve 12 and the adjusting screw rod 33 to be taken out together just by loosening the connection between the threaded sleeve 12 and the pressing arm 1, which is convenient for maintenance or replacement.

[0048] Preferably, a second semi-circular block 4 is arranged between the pressing arm 1 and the clamping jaw 2. The arc surface of the second semi-circular block 4 is in surface contact with the pressing arm 1, and an arc-shaped groove adapted to the arc surface of the second semi-circular block 4 is arranged on the pressing arm 1;

[0049] The flat side of the second semi-circular block 4 is fixedly connected to the clamping jaw 2, and the clamping jaw 2 can rotate relative to the arc-shaped groove of the pressing arm 1.

[0050] Specifically, when the pressing arm 1 is pressed down, the clamping jaw 2 clamps the welded part and aligns itself by rotating along the arc-shaped groove on the pressing arm 1 through the second semi-circular block 4; then, the adjusting screw rod 33 is rotated by tools such as a wrench to move the wedge block 31 left and right, thereby adjusting the position gap of the clamping jaw 2. At the same time, the clamping jaw 2 automatically adapts to the gap adjustment at various positions through the first semi-circular block 32, and finally meets the requirement of horizontal clamping of the clamping jaw 2.

[0051] A wedge block type clamping jaw leveling mechanism provided by the present utility model has the following advantages:

[0052] 1. The adjustment structure of the wedge block type and the first semi-circular block not only increases the stress area between the leveling mechanism and the clamping jaw, but also improves the self-adaptive ability of the leveling mechanism for adjusting the position relative to the clamping jaw, thereby greatly improving the stability and durability of the equipment, avoiding the phenomenon that the adjustment mechanism is easily worn and needs to be frequently replaced, and saving the production cost.

[0053] 2. The leveling mechanism of the present invention has a simple structure and is convenient for operation and maintenance.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wedge-type jaw leveling mechanism, characterized in that: include: Press arms, jaws and leveling assemblies; The pressing arm is used to drive the jaws to open and clamp the weldment, and the jaws can rotate relative to the pressing arm; The leveling assembly is provided with a horizontally movable wedge, the wedge is provided between the pressure arm and the jaw, and is movably connected to the jaw through a first semicircular block; the wedge is used to adjust the position gap of the jaw; The first semicircular block is used for the leveling assembly to automatically adapt to the gap adjustment of various positions of the jaws.

2. The wedge-type jaw leveling mechanism according to claim 1, characterized in that: The wedge block is set with a single-sided wedge surface, the wedge surface of the wedge block is against the plane of the first semicircular block, and the wedge block can move along the plane side of the first semicircular block; the side of the wedge block opposite to the wedge surface is a plane side, which contacts the bottom surface of one end of the pressure arm.

3. The wedge-type jaw leveling mechanism according to claim 1, characterized in that: The arc surface of the first semicircular block contacts the jaw surface, and the upper surface of the jaw is provided with an arc groove matched with the arc surface of the first semicircular block; the jaw can rotate along the arc surface of the first semicircular block.

4. The wedge-type jaw leveling mechanism according to claim 1, characterized in that: The leveling assembly also includes an adjusting screw rod for driving the wedge block to move to adjust the gap of the jaws; One end of the adjusting screw rod is rotatably and detachably sleeved on the wedge block, and the threaded end of the adjusting screw rod is threadedly connected with the pressure arm.

5. The wedge-type jaw leveling mechanism according to claim 4, characterized in that: One end of the adjusting screw rod connected to the wedge block is provided with a limiting portion for axially limiting the adjusting screw rod.

6. The wedge-type jaw leveling mechanism according to claim 4, characterized in that: One end of the adjusting screw rod connected to the wedge block is provided with a clamping portion for easy clamping with a wrench.

7. The wedge-type jaw leveling mechanism according to claim 4, characterized in that: A light hole is provided at one end of the pressure arm connected to the adjusting screw rod, and a threaded sleeve is detachably provided at the entrance end of the light hole for threaded connection with the adjusting screw rod.

8. The wedge-type jaw leveling mechanism according to claim 1, characterized in that: A second semicircular block is provided between the pressing arm and the jaw, the arc surface of the second semicircular block is in surface contact with the pressing arm, and the pressing arm is provided with an arc-shaped groove adapted to the arc surface of the second semicircular block; The plane side of the second semicircular block is fixedly connected to the jaws, and the jaws can rotate relatively along the arc-shaped groove of the pressing arm.

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