Tooling mechanism for automatically welding two stop surfaces of bit leg

Abstract

The utility model discloses a tool mechanism for automatically welding two stop surfaces of a bit leg, which comprises an equipment flange, a fixed seat, a left clamping plate, a movable seat, a right clamping plate, a clamping ring and a radial positioning component, the fixed seat is mounted on the equipment flange, the left clamping plate is mounted on the fixed seat, and the movable seat is mounted on the right clamping plate. A movable seat which is driven by a power element to move towards or away from the fixed seat is mounted on the equipment flange, a right clamping plate is mounted on the movable seat, the left clamping plate and the right clamping plate are oppositely arranged and are used for clamping a shaft diameter below a two-stop surface of the bit leg, and a radial positioning assembly for positioning a placement angle of the bit leg is mounted at the side end of the fixed seat. By means of the mode, the shaft diameter of the bit leg below a to-be-machined face can be positioned and clamped, modular design is achieved, the device is suitable for machining bit legs of different specifications, the clamped portion is cooled in time in the machining process, and deformation caused by temperature rise of an operation area is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tooth palm processing, in particular to a tooling mechanism for automatic welding two stop surfaces of a tooth palm. Background Art

[0002] The existing mining three-cone drill bit consists of three teeth. Due to the special structure of the teeth, it has an irregular surface structure, which increases the difficulty of processing its surface. The weight of a single tooth is about 30kg, and its center of gravity is not on the center line. The conventional positioning and clamping method cannot guarantee the reliability of the tooth positioning. The existing fixture is an integrated structure with a complex structure, which is inconvenient to manufacture and has high manufacturing costs. The clamping part is thin and lacks strength. It deforms as the temperature in the working area rises. The difficulty in loading and unloading the workpiece increases the manufacturing cost. It is also difficult to correct the positioning accuracy during the processing change.

[0003] When the tooth palm processing part is the two stop surfaces 00 at the end of the shaft diameter, Figure 1 As shown, the Chinese patent with patent number CN202323031036.X discloses a clamping fixture for the reamer tooth palm axle diameter. The tooth palm positioning is limited by the positioning pin and the 120-degree surface of the tooth palm. The processing surfaces of the two stop surfaces are far away from the positioning. In addition, it is difficult to apply to different sizes of tooth palms, and the processing base also needs to be debugged each time, which is inconvenient to operate.

[0004] Based on the above defects and deficiencies, it is necessary to improve the existing technology and design a tooling mechanism for automatically welding two stop surfaces of the tooth palm. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a two-stop surface tooling mechanism for automatic welding of tooth palms, which can locate and clamp the tooth palm axis diameter below the surface to be processed. It has a modular design and is suitable for processing tooth palms of different specifications. The clamping parts can be cooled in time during the processing to avoid deformation as the temperature of the working area increases.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a tooling mechanism for automatic welding two stop surfaces of a tooth palm, the tooling mechanism for automatic welding two stop surfaces of a tooth palm includes a left clamping plate, a right clamping plate capable of reciprocating relative to the left clamping plate, a clamping ring installed on the left and right clamping plates, and a radial positioning assembly fixed relative to the left clamping plate, the opposite surfaces of the two clamping rings are provided with clamping surfaces for clamping the axial diameter of the tooth palm, the clamping surfaces are spherical, the outer ring of the clamping surface is provided with a connecting part, the connecting part is thickened, the upper end of the connecting part is inclined on the side close to the clamping surface, the outer ring of the connecting part is provided with a mounting part, the left clamping plate, the right clamping plate and the clamping ring are modularly designed according to the tooth palms of different sizes.

[0007] Preferably, the left clamping plate and the right clamping plate are provided with built-in cooling circulation corridors.

[0008] Preferably, the bottom surfaces of the left and right splints are provided with mounting grooves for mounting the clamping ring and avoidance grooves for avoiding the tooth palm.

[0009] Preferably, the left clamping plate and the right clamping plate are both provided with two pin holes, and the left and right clamping plates are positioned with two pins on one side and the mounting surface on which they are located.

[0010] Preferably, the radial positioning assembly includes a fixing bracket and an axial positioning pin horizontally mounted on the fixing bracket.

[0011] Preferably, a tooling mechanism for automatic welding two stop surfaces of a tooth palm further includes an equipment flange, a fixed seat and a movable seat, wherein the fixed seat is installed on the equipment flange, the left clamping plate is installed on the fixed seat, and the movable seat driven by a power element to move toward or back to the fixed seat is installed on the equipment flange, and the right clamping plate is installed on the movable seat.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The modular design of the left and right splints and clamping rings allows for quick die change to meet the processing requirements of different sizes of jaws, shortening the pre-processing preparation time, reducing the number of fixtures designed and manufactured, and facilitating subsequent maintenance and replacement;

[0014] The processing range is wide. For different specifications of tooth palms with similar sizes, only the corresponding clamping ring needs to be replaced, and the rest are shared, which shortens the debugging time and reduces costs.

[0015] The left and right splints and clamping rings can realize the positioning and clamping of different specifications of tooth palms;

[0016] The left and right splints are equipped with cooling circulation channels, which can cool the palm clamping part through the clamping ring to prevent the palm clamping part from being deformed due to insufficient strength as the temperature of the working area rises. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the palm.

[0018] Figure 2 The figure is a structural diagram of a tooling mechanism for automatic welding two stop surfaces of a tooth palm.

[0019] Figure 3 This is a schematic diagram of the clamping ring structure of a tooling mechanism for automatic welding two stop surfaces of a tooth palm.

[0020] Figure 4 The diagram is a partial structural diagram of a tooling mechanism for automatic welding two stop surfaces of a tooth palm.

[0021] Figure 5 This is a schematic diagram of the internal structure of a clamping plate of a tooling mechanism for automatic welding two stop surfaces of a tooth palm.

[0022] Among them, 00, two stop surfaces, 1, equipment flange, 2, fixed seat, 3, left clamping plate, 4, movable seat, 5, right clamping plate, 6, clamping ring, 60, clamping surface, 61, connecting part, 62, mounting part, 7, radial positioning assembly, 71, fixed bracket, 72, axial positioning pin, 01, cooling circulation channel, 02, mounting groove, 03, avoidance groove, 04, pin hole. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0024] See also Figures 2 to 5 , the embodiments of the present utility model include:

[0025] A tooling mechanism for automatic welding two stop surfaces of a tooth palm, which includes an equipment flange 1, a fixed seat 2, a left clamping plate 3, a movable seat 4, a right clamping plate 5, a clamping ring 6 and a radial positioning component 7. The equipment flange 1 is provided with a fixed seat 2, the fixed seat 2 is provided with a left clamping plate 3, the equipment flange 1 is provided with a movable seat 4 driven by a power element to move toward or away from the fixed seat 2, the movable seat 4 is provided with a right clamping plate 5, the left clamping plate 3 and the right clamping plate 5 are arranged opposite to each other and are used to clamp the shaft diameter below the two stop surfaces of the tooth palm, and the side end of the fixed seat 2 is provided with a radial positioning component 7 for positioning the placement angle of the tooth palm.

[0026] The clamping ring 6 is in a semi-ring shape, and the opposite surfaces of the two clamping rings 6 are provided with clamping surfaces 60 for clamping the axis diameter of the tooth palm. The clamping surface 60 is spherical, and the outer ring of the clamping surface 60 is provided with a connecting portion 61. The connecting portion 61 is thickened to ensure more reliable clamping. The upper end of the connecting portion 61 is close to the clamping surface 60 and is inclined. The material removed on the inclined surface is used for air-avoiding positioning. The outer ring of the connecting portion 61 is provided with a mounting portion 62, and a plurality of mounting holes are provided on the mounting portion 62.

[0027] The splint is split, including a left splint 3 and a right splint 5, which can be disassembled and installed by screws, making it easy to change molds and debug.

[0028] The left clamping plate 3 and the right clamping plate 5 are equipped with a cooling circulation channel 01 and an external coolant, which can cool the clamping ring 6 during the processing, thereby cooling the tooth palm clamping part. Otherwise, the tooth palm clamping part is thin and lacks strength and will deform as the temperature of the working area rises.

[0029] The bottom surfaces of the left clamping plate 3 and the right clamping plate 5 are provided with an installation groove 02 for installing the clamping ring 6 and an avoidance groove 03 for avoiding the tooth palm. The avoidance groove 03 acts to eliminate interference when clamping the workpiece. The clamping plate at the installation groove 03 is provided with an installation hole, and the installation hole on the clamping plate is consistent with the installation hole on the clamping ring 6.

[0030] The left clamping plate 3 and the right clamping plate 5 are both provided with two pin holes 04 , and the left and right clamping plates are positioned with the mounting surface using two pins on one side.

[0031] The radial positioning assembly 7 includes a fixed bracket 71 installed on the fixed seat 2 and an axial positioning pin 72 installed horizontally on the fixed bracket 71. The tooth palm is rotated before clamping it so that it is against the axial positioning pin 72, which can position the clamping angle of the tooth palm. The clamping surface 60 of the two clamping rings 6 plus the axial positioning pin 72 limits the movement and rotation of the tooth palm in the X direction; the movement and rotation in the Y direction and the movement and rotation in the Z direction, the tooth palm is restricted to meet the positioning and clamping requirements.

[0032] The utility model discloses a tooling mechanism for automatically welding two stop surfaces of a tooth palm, which can locate and clamp the tooth palm axis diameter below the surface to be processed. It has a modular design and is suitable for processing tooth palms of different specifications. During the processing, the clamping part is cooled in time to avoid deformation as the temperature of the working area rises.

[0033] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tooling mechanism for automatic welding two stop surfaces of a tooth palm, characterized by: The invention comprises a left clamping plate (3), a right clamping plate (5) capable of reciprocating relative to the left clamping plate (3), a clamping ring (6) mounted on the left and right clamping plates, and a radial positioning assembly (7) fixed relative to the left clamping plate (3); the opposing surfaces of the two clamping rings (6) are provided with a clamping surface (60) for clamping the axial diameter of the tooth palm; the clamping surface (60) is a spherical surface; the outer ring of the clamping surface (60) is provided with a connecting portion (61); the connecting portion (61) is thickened; the upper end of the connecting portion (61) is inclined on one side close to the clamping surface (60); the outer ring of the connecting portion (61) is provided with a mounting portion (62); the left clamping plate (3), the right clamping plate (5) and the clamping ring (6) are modularly designed according to the tooth palms of different sizes.

2. The tooling mechanism for automatic welding two stop surfaces of a tooth palm according to claim 1, characterized in that: The left clamping plate (3) and the right clamping plate (5) are provided with a cooling circulation corridor (01) therein.

3. The tooling mechanism for automatic welding two stop surfaces of a tooth palm according to claim 1, characterized in that: The bottom surfaces of the left clamping plate (3) and the right clamping plate (5) are provided with a mounting groove (02) for mounting a clamping ring (6) and an avoidance groove (03) for avoiding the tooth palm.

4. The tooling mechanism for automatic welding two stop surfaces of a tooth palm according to claim 1, characterized in that: The left clamping plate (3) and the right clamping plate (5) are both provided with two pin holes (04), and the left and right clamping plates and the mounting surface are positioned by two pins on one side.

5. The tooling mechanism for automatic welding two stop surfaces of a tooth palm according to claim 1, characterized in that: The radial positioning assembly (7) comprises a fixing bracket (71) and an axial positioning pin (72) horizontally mounted on the fixing bracket (71).

6. The tooling mechanism for automatic welding two stop surfaces of a tooth palm according to claim 1, characterized in that: The device further comprises an equipment flange (1), a fixed seat (2) and a movable seat (4); the fixed seat (2) is mounted on the equipment flange (1); a left clamping plate (3) is mounted on the fixed seat (2); a movable seat (4) driven by a power element to move toward or away from the fixed seat (2) is mounted on the equipment flange (1); and a right clamping plate (5) is mounted on the movable seat (4).

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