CN212192166U

CN212192166U - Bit leg finish milling positioning clamping device for roller bit

Info

Publication number: CN212192166U
Application number: CN202020576647.XU
Authority: CN
Inventors: 柳永康; 蒋燎燎
Original assignee: Suzhou Danv Tools Co ltd
Current assignee: Suzhou Danv Tools Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-22
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a bit leg finish milling positioning clamping device for a roller bit, which comprises a bottom plate, a U-shaped component, a wedge block component and a moving block component, wherein the U-shaped component is arranged at a relative position on the bottom plate and used for clamping the shaft neck position of a bit leg, the wedge block component is used for abutting against the tail end face of the bit leg, and the moving block component is arranged between the U-shaped component and the wedge block component and used for supporting the back position of the bit leg; the U type subassembly is gone into the U template of the periphery of axle journal including dismantling the elastic plate and the slant card that connect bottom plate and elastic support axle journal bottom, the wedge subassembly include along the base that bottom plate horizontal migration set up, with base top sliding fit's wedge, locate the reticulation pressure nail of wedge side, but the movable block subassembly includes positioning seat, embedding positioning seat in horizontal migration's the movable block. The utility model discloses a function of the 120V faces of finish milling bit leg, the V face finish milling back can ensure the spatial position relation of bit leg axle journal and 120V faces of bit leg.

Description

Bit leg finish milling positioning clamping device for roller bit

Technical Field

The utility model belongs to the technical field of rotary drill processing, especially, relate to a bit leg finish milling location clamping device for roller bit.

Background

Generally, a 120-degree V surface (hereinafter referred to as a V surface) of a bit leg of a tricone bit is processed in a first process, and then the V surface is used as a positioning reference to process the rest characteristics of the bit leg, particularly a finish turning shaft neck process. However, the heat treatment of the bit leg causes the deformation of the V-plane, the spatial position of the V-plane and the bit leg journal cannot be ensured, and the V-plane of the bit leg needs to be finished to correct the influence of the heat treatment. Therefore, a device is needed to be designed, and the device uses the finished bit leg shaft neck as a positioning reference to mill the V surface, so that the spatial position relationship between the bit leg shaft neck and the V surface is ensured, and the requirement of product design is met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, and provide roller bit is with palm finish milling location clamping device to realize the function of the 120V face of finish milling palm, after the V face finish milling, can ensure the spatial position relation of palm axle journal and palm 120V face. In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the cone bit leg finish milling positioning and clamping device comprises a bottom plate, a U-shaped assembly, a wedge block assembly and a moving block assembly, wherein the U-shaped assembly is arranged on the bottom plate at a relative position and used for clamping the position of a shaft neck of a cone leg, the wedge block assembly is used for abutting against the tail end face of the cone leg, and the moving block assembly is arranged between the U-shaped assembly and the wedge block assembly and used for supporting the position of the back of the cone leg; the U type subassembly is gone into the U template of the periphery of axle journal including dismantling the elastic plate and the slant card that connect bottom plate and elastic support axle journal bottom, the wedge subassembly include along the base that bottom plate horizontal migration set up, with base top sliding fit's wedge, locate the reticulation pressure nail of wedge side, but the movable block subassembly includes positioning seat, embedding positioning seat in horizontal migration's the movable block.

Specifically, the cone bit is with palm finish milling location clamping device still includes the four-axis revolving stage of locating the bottom plate both ends, the both ends of bottom plate can be dismantled and connect on the L board, and the L board is connected to the output of four-axis revolving stage.

Specifically, the palm comprises a palm body, a palm back which is connected with the palm body and provided with an arc-shaped surface, and a shaft neck connected with the palm back; the surface of the palm body forms a surface to be processed with an angle of 120 degrees.

Specifically, the U-shaped component further comprises an angle block, and a chute for accommodating the U-shaped plate is arranged on the side edge of the angle block.

Specifically, the elastic plate is Z style of calligraphy structure, and the bottom of elastic plate is passed through the installed part and can be dismantled the connection bottom plate, the elastic plate is located the below of U template.

The wedge block assembly comprises a base plate, a wedge block assembly, a transition plate and a claw seat, wherein the transition plate is arranged on the base plate, the claw seat is arranged on the transition plate, a sliding groove is formed in the claw seat, the base is located in a displacement mode along the sliding groove, and the base is detachably connected with the claw seat through an installation piece.

The connection base can be dismantled through the installed part to the wedge, and the top of base is equipped with the guide block, and the bottom of wedge is equipped with guide block complex guide way, and the reticulation that the inboard of wedge was impressed presses the nail, and the terminal surface butt of nail is pressed to the reticulation connects to the palm body tail end of palm.

Specifically, the side of positioning seat can be dismantled through the installed part and be connected with the dog, and the movable block can be dismantled through the installed part and be connected the dog.

Specifically, the surface of the moving block is provided with an oblique supporting surface, and the supporting surface is correspondingly abutted against the palm back.

Compared with the prior art, the utility model discloses bit leg finish milling location clamping device for roller bit's beneficial effect mainly embodies:

the U-shaped plate is matched with the elastic plate, so that the position of a shaft neck of the bit leg is stably clamped; the adjustable moving block realizes the positioning of the palm back inclined plane, and the two stably support and position the palm. The adjustable wedge block realizes the clamping of the whole palm of the tooth, and exposes the V-shaped surface to be processed of the palm body upwards. The whole structure is matched with the four-axis rotary table, conversion processing of different surfaces to be processed is achieved, processing precision is guaranteed, and processing efficiency is improved.

Drawings

Fig. 1 is one of the schematic structural diagrams of the embodiment of the present invention;

FIG. 2 is a second schematic structural diagram of the present embodiment;

fig. 3 is a schematic view of a positioning structure of the four-axis turntable in the embodiment;

FIG. 4 is a schematic view of a clamping bit leg structure in the present embodiment;

FIG. 5 is a schematic side view of the gripping bit leg of the present embodiment;

the figures in the drawings represent:

the machining process comprises the following steps of 1, 2, a shaft neck, 21, a palm back, 22, 23 to-be-machined surfaces a, 24 to-be-machined surfaces b, 3 elastic plates, 31U-shaped plates, 32-angle blocks, 33 inclined grooves, 34 first flat keys, 4 bases, 41 wedge-shaped blocks, 42 reticulated pressure nails, 43 transition plates, 44 claw seats, 45 second flat keys, 46 sliding grooves, 47 guide blocks, 5 positioning seats, 51 moving blocks, 52 third flat keys, 53 stoppers, 54 supporting surfaces, 6 four-axis rotary tables and 61L plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.

Example (b):

referring to fig. 1-5, the present embodiment is a bit leg finish milling positioning and clamping device for a roller cone bit, including a bottom plate 1, a U-shaped component disposed at a relative position on the bottom plate 1 and used for clamping a position of a journal 2 of a bit leg, a wedge block component used for abutting against a tail end face of the bit leg, and a moving block component disposed between the U-shaped component and the wedge block component and used for supporting a position of a leg back 21 of the bit leg; the U type subassembly is gone into the U template 31 of the periphery of axle journal 2 including the elastic plate 3 and the slant card that can dismantle the connection bottom plate 1 and the elastic support axle journal 2 bottom, and the wedge subassembly includes along the base 4 that 1 horizontal migration of bottom plate set up, with base 4 top sliding fit's wedge 41, locate the reticulation pressure nail 42 of wedge 41 side, but the movable block subassembly includes positioning seat 5, imbeds movable block 51 of horizontal migration in the positioning seat 5.

The cone bit is with palm finish milling location clamping device still includes the four-axis revolving stage 6 of locating bottom plate 1 both ends. Both ends of bottom plate 1 can be dismantled and connect on L board 61, and L board 61 is connected to the output of four-axis revolving stage 6.

In this embodiment, the product to be positioned and processed is a palm, and the palm includes a palm body 22, a palm back 21 connected to the palm body 22 and having an arc surface, and a journal 2 connected to the palm back 21. The surface of the palm body 22 forms a surface to be processed with an angle of 120 degrees, the surface a to be processed of the palm body 22 forms an included angle of 14 degrees with the horizontal plane, and the surface b to be processed of the palm body 22 forms an included angle of 46 degrees with the horizontal plane.

The U-shaped component further comprises an angle block 32, an inclined groove 33 for accommodating the U-shaped plate 31 is formed in the side edge of the angle block 32, and a first flat key 34 matched with the angle block 32 is arranged in the U-shaped plate 31.

Elastic plate 3 is Z style of calligraphy structure, and connecting bottom plate 1 can be dismantled through the installed part to elastic plate 3's bottom. The elastic plate 3 is located below the U-shaped plate 31. The top end of the elastic plate 3 supports the bottom of the journal 2.

The wedge block assembly further comprises a transition plate 43 arranged on the bottom plate 1 and a clamping jaw seat 44 arranged on the transition plate 43; the bottom of the transition plate 43 is provided with a second flat key 45 matched with the bottom plate 1.

The pawl seat 44 is provided with a sliding slot 46, and the base 4 is displaced and positioned along the sliding slot 46. The base 4 is detachably connected to the jaw seat 44 by a mounting member extending through the base 4 into the slide groove 46.

The wedge block 41 is detachably connected with the base 4 through a mounting piece, a guide block 47 is arranged at the top end of the base 4, and a guide groove (not marked in the figure) matched with the guide block 47 is arranged at the bottom of the wedge block 41. The inner side of the wedge block 41 is pressed into the reticulate pattern pressing nail 42, and the end surface of the reticulate pattern pressing nail 42 is abutted to the tail end of the palm body 22 of the bit leg.

The bottom of the positioning seat 5 is provided with a third flat key 52 matched with the bottom plate 1. The side of positioning seat 5 is detachably connected with a stop dog 53 through an installation piece.

The surface of the moving block 51 is provided with an inclined supporting surface 54, and the supporting surface 54 is correspondingly abutted with the arc surface of the palm back 21. The moving block 51 is detachably connected with the stop 53 through the mounting piece, and the position of the protruding stop 53 of the mounting piece is adjusted, so that the position of the protruding positioning seat 5 of the moving block 51 is controlled.

The mounting member in this embodiment is a bolt or bolt and nut assembly.

When the embodiment is applied, the tooth palm is stably positioned on the U-shaped component by adjusting the movable block component and the wedge-shaped block component, the surface to be processed a23 can be finely milled by rotating the four-axis turntable 6 by a certain counterclockwise angle, and the surface to be processed b24 can be finely milled by rotating the four-axis turntable 6 by a certain clockwise angle.

In the embodiment, the U-shaped plate 31 is arranged to be matched with the elastic plate 3, so that the position of the shaft neck 2 of the bit leg is stably clamped; the adjustable moving block 51 realizes the positioning of the inclined plane of the palm back 21, and the two stably support and position the palm together. The adjustable wedge block 41 realizes the clamping of the whole bit leg, and exposes the V-shaped surface to be processed of the bit body 22 upwards. The whole structure is matched with the four-axis rotary table, conversion processing of different surfaces to be processed is achieved, processing precision is guaranteed, and processing efficiency is improved.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Roller bit is with bit leg finish milling location clamping device, its characterized in that: the device comprises a bottom plate, a U-shaped component, a wedge block component and a moving block component, wherein the U-shaped component is arranged on the bottom plate at a relative position and used for clamping the position of a shaft neck of a bit leg, the wedge block component is used for abutting against the tail end face of the bit leg, and the moving block component is arranged between the U-shaped component and the wedge block component and used for supporting the position of the back of the bit leg; the U type subassembly is gone into the U template of the periphery of axle journal including dismantling the elastic plate and the slant card that connect bottom plate and elastic support axle journal bottom, the wedge subassembly include along the base that bottom plate horizontal migration set up, with base top sliding fit's wedge, locate the reticulation pressure nail of wedge side, but the movable block subassembly includes positioning seat, embedding positioning seat in horizontal migration's the movable block.

2. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 1, characterized in that: the cone bit is with palm finish milling location clamping device still includes the four-axis revolving stage of locating the bottom plate both ends, the both ends of bottom plate can be dismantled and connect on the L board, and the L board is connected to the output of four-axis revolving stage.

3. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 1, characterized in that: the palm comprises a palm body, a palm back which is connected with the palm body and provided with an arc-shaped surface, and a shaft neck connected with the palm back; the surface of the palm body forms a surface to be processed with an angle of 120 degrees.

4. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 1, characterized in that: the U-shaped component further comprises an angle block, and a chute for accommodating the U-shaped plate is arranged on the side edge of the angle block.

5. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 1, characterized in that: the elastic plate is Z style of calligraphy structure, and the connection bottom plate can be dismantled through the installed part to the bottom of elastic plate, the elastic plate is located the below of U template.

6. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 1, characterized in that: wedge subassembly is still including locating the cab apron on the bottom plate, locating the jack catch seat on the cab apron, is equipped with the spout in the jack catch seat, and the base is followed spout direction displacement location, the base passes through the installed part and can dismantle connection jack catch seat.

7. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 3, characterized in that: the connection base can be dismantled through the installed part to the wedge, and the top of base is equipped with the guide block, and the bottom of wedge is equipped with guide block complex guide way, and the reticulation that the inboard of wedge was impressed presses the nail, and the terminal surface butt of nail is pressed to the reticulation connects to the palm tail end of palm to the palm.

8. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 1, characterized in that: the side of positioning seat can be dismantled through the installed part and be connected with the dog, and the movable block can be dismantled through the installed part and be connected the dog.

9. The bit leg finish milling positioning and clamping device for the roller cone bit according to claim 3, characterized in that: the surface of the moving block is provided with an oblique supporting surface, and the supporting surface is correspondingly abutted against the palm back.