CN205600365U - Seamless steel pipe hole milling anchor clamps - Google Patents

Abstract

A milling jig for seamless steel pipes relates to the field of machining fixtures. The milling jig for seamless steel pipes includes a base, a positioning seat, a fixing plate, a driving device, a connecting head, a pressing bar, a support bar and a tool for pressing a seamless steel pipe. The pressing block of the steel pipe; the positioning seat is provided with a V-shaped groove for placing the seamless steel pipe; the positioning seat and the fixed plate are installed on the base, the positioning seat is set on the right side of the fixed plate, the driving device is installed on the fixed plate, and the pressing rod One end of one end is connected to the driving device through the connecting head, and the other end is connected to the pressure block. The pole is vertically arranged above the positioning seat and its bottom end is fixedly connected to the positioning seat, and the top end is hinged with the middle part of the pressure rod. Compared with the prior art, the seamless steel pipe milling jig provided by the utility model is simple and convenient to operate, can not only improve the machining accuracy of the hole, ensure the product quality, but is also not easy to be damaged or scrapped.

Description

A milling jig for seamless steel pipe

technical field

The utility model relates to the technical field of machining fixtures, in particular to a milling fixture for seamless steel pipes.

Background technique

In the field of machinery, seamless steel pipes for automobile chassis usually need to be provided with round holes and rectangular holes. At present, there are punching dies for processing such holes. However, the distance between the two holes of seamless steel pipes is relatively long, and due to The seamless steel pipe is hollow and the strength is not high. The traditional punching dies often fail to meet the process requirements due to these reasons during processing, the precision is not high, and the punching dies are easily damaged and scrapped.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a seamless steel pipe milling fixture, which can not only improve the machining accuracy of the hole, but is also not easy to be damaged or scrapped.

In order to solve the above technical problems, the utility model adopts the following technical solutions: a seamless steel pipe milling fixture, including a base, a positioning seat, a fixing plate, a driving device, a connecting head, a pressure rod, a support rod and a The briquetting block of the steel pipe; the positioning seat is provided with a V-shaped groove for placing the seamless steel pipe; the positioning seat and the fixing plate are installed on the base, the positioning seat is located on the right side of the fixing plate, and the driving device Installed on the fixed plate, one end of the pressing rod is connected to the driving device through the connector, and the other end is connected to the pressing block. The middle part is hinged; the driving device is used to drive the pressure rod to rotate around the hinge point between it and the support rod.

Preferably, a baffle is provided on the right side of the positioning seat, and the right side of the positioning seat is against the baffle.

Further, the base is provided with a connecting hole, and a T-bolt for connecting the workbench of the milling machine is arranged in the connecting hole, and a fastening nut is arranged on the T-shaped bolt.

Furthermore, more than two No. 1 positioning holes are provided on the positioning base, No. 2 positioning holes corresponding to No. 1 positioning holes are provided on the base, and No. 1 positioning holes are provided in the No. 1 positioning holes. pin, the front end of the No. 1 locating pin penetrates downward into the No. 2 locating hole; more than two No. 3 locating holes are opened on the fixed plate, and the base is provided with a corresponding No. 3 locating hole. In the No. 4 positioning hole, No. 2 positioning pin is arranged in the No. 3 positioning hole, and the front end of the No. 2 positioning pin penetrates downward into the No. 4 positioning hole.

Preferably, the pressure rod is connected to the connector through the No. 1 pin, hinged to the support rod through the No. 2 pin, and connected to the pressing block through the No. 3 pin. The No. 1 pin, No. 2 pin and 3 The tail ends of the pin shafts are all provided with spacer holes, and cotter pins are all arranged in the spacer holes.

Further, the front end of the pressing block is in a concave arc shape.

Furthermore, the driving device includes an air cylinder.

Due to the adoption of the above technical solution, compared with the prior art, the seamless steel pipe milling jig provided by the utility model is simple and convenient to operate, which can not only improve the process precision of seamless steel pipe milling, ensure product quality, but is not easy to damage , Scrapping, saving costs.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of Fig. 1;

The reference signs are:

1——base 11——connecting hole 12——T-bolt

13——fastening nut 2——positioning seat 21——V-shaped groove

22——No. 1 positioning hole 3——Fixing plate 31——No. 3 positioning hole

4——driving device 5——connector 6——pressure rod

61——pin shaft No. 1 62——pin shaft No. 2 63——pin shaft No. 3

7——Strut 8——Block 9——Baffle

A——Seamless steel pipe.

detailed description

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not limitations of the utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "right", "bottom", "front", "tail" etc. are based on The orientation or positional relationship shown in the accompanying drawings is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood To limit the utility model.

In addition, the terms "No. 1", "No. 2", "No. 3", and "No. 4" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.

A seamless steel pipe milling fixture, comprising a base 1, a positioning seat 2, a fixed plate 3, a cylinder, a connecting head 5, a pressure rod 6, a support rod 7, and a pressing block 8 for pressing a seamless steel pipe A; the positioning seat 2. There is a V-shaped groove 21 for placing the seamless steel pipe A; the positioning seat 2 and the fixed plate 3 are installed on the base 1, the positioning seat 2 is arranged on the right side of the fixed plate 3, and the cylinder is installed on the fixed plate 3. One end of the rod 6 is connected to the cylinder through the connector 5, and the other end is connected to the briquetting block 8. The front end of the briquetting block 8 is concave arc-shaped, and the pole 7 is vertically arranged above the positioning seat 2 and its bottom end is fixedly connected to the positioning seat 2, The top is hinged with the middle part of the pressure rod 6;

In order to strengthen the firmness of the seamless steel pipe milling fixture, preferably, a baffle 9 is provided on the right side of the positioning seat 2 , and the right side of the positioning seat 2 is against the baffle 9 .

As a further preferred embodiment, the base 1 is provided with a connection hole 11 , and a T-shaped bolt 12 for connecting the workbench of the milling machine is arranged in the connection hole 11 , and a fastening nut 13 is arranged on the T-shaped bolt 12 .

As a further preferred embodiment, the positioning seat 2 is provided with two No. 1 positioning holes 22, the base 1 is provided with No. 2 positioning holes corresponding to the No. 1 positioning holes 22, and the No. 1 positioning hole 22 is provided with a The No. 1 positioning pin that restricts the relative movement between the positioning seat 2 and the base 1, the front end of the No. 1 positioning pin penetrates downward into the No. 2 positioning hole; the fixed plate 3 is provided with two No. 3 positioning holes 31, and the base 1 is provided with No. 4 positioning hole corresponding to No. 3 positioning hole 31, No. 3 positioning hole 31 is provided with No. 2 positioning pin used to limit the relative movement of fixed plate 3 and base 1, and the front end of No. 2 positioning pin penetrates down to No. 4 in the positioning hole.

Preferably, the pressure rod 6 is connected to the connector 5 through the No. 1 pin 61, hinged with the support rod 7 through the No. 2 pin 62, and connected to the pressure block 8 through the No. 3 pin 63. The No. 1 pin 61, No. 2 The tail ends of pin shaft 62 and No. 3 pin shaft 63 are all provided with limit holes, and cotter pins are all arranged in the limit holes.

Under normal conditions, the pressure rod 6 and the support rod 7 of the seamless steel pipe milling fixture of the above embodiment are perpendicular to each other. When in use, the seamless steel pipe milling fixture is first installed on the milling machine through the T-shaped bolt 12 and the fastening nut 13. Then, start the cylinder, and the cylinder drives the compression rod 6 to rotate upwards centered on the hinge point between it and the support rod 7. When the compression rod 6 intersects the support rod 7 at 45°, the cylinder stops driving, and the seamless steel pipe A is placed on the positioning seat 2 Finally, start the cylinder again, and the cylinder drives the pressure rod 6 to rotate downward until the briquetting block 8 compresses the seamless steel pipe A, and the whole clamping work is completed.

The utility model is not limited to the preferred embodiment described above, and anyone should know that the structural changes made under the inspiration of the utility model, and all technical solutions that are the same as or similar to the utility model, all belong to the utility model protected range.

Claims (6)

1. a seamless steel pipe hole milling fixture, including base (1), positioning seat (2), fixed plate (3), driving means (4), union joint (5), depression bar (6), pole (7) and be used for pushing down the briquetting (8) of seamless steel pipe (A)；Described positioning seat (2) offers for placing The V-groove (21) of seamless steel pipe (A)；Described positioning seat (2) and fixed plate (3) are installed on base (1), described positioning seat (2) being located at the right side of fixed plate (3), described driving means (4) is arranged in fixed plate (3), and one end of described depression bar (6) is passed through Union joint (5) connects driving means (4), the other end connects briquetting (8), and described pole (7) is vertically arranged in positioning seat (2) top And to be fixedly connected on positioning seat (2), top and depression bar (6) middle part hinged in its bottom；Described driving means (4) is used for driving depression bar (6) rotating centered by its pin joint with pole (7), described positioning seat (2) right side is provided with baffle plate (9), described positioning seat (2) Right flank abut against baffle plate (9).

Seamless steel pipe hole milling fixture the most according to claim 1, it is characterised in that: described base (1) offers connecting hole (11), being provided with the T-bolt (12) for connecting milling machine table in described connecting hole (11), described T-bolt sets on (12) There is clamp nut (13).

Seamless steel pipe hole milling fixture the most according to claim 1 and 2, it is characterised in that: described positioning seat offers on (2) Plural No. 1 hole, location (22), described base (1) offers No. 2 location hole corresponding with No. 1 hole, location (22), Being provided with No. 1 alignment pin in described No. 1 hole, location (22), the front end of described No. 1 alignment pin down penetrates in hole, No. 2 location；Described Offer plural No. 3 hole, location (31) in fixed plate (3), described base (1) offers and No. 3 location hole (31) phases Corresponding hole, No. 4 location, is provided with No. 2 alignment pins in described No. 3 hole, location (31), and the front end of described No. 2 alignment pins down penetrates 4 Number location hole in.

Seamless steel pipe hole milling fixture the most according to claim 3, it is characterised in that: described depression bar (6) passes through No. 1 bearing pin (61) be connected with union joint (5), hinged by No. 2 bearing pins (62) and pole (7), by No. 3 bearing pins (63) with briquetting (8) even Connecing, the tail end of described No. 1 bearing pin (61), No. 2 bearing pins (62) and No. 3 bearing pins (63) is equipped with spacing hole, in described spacing hole all It is provided with split pin.

Seamless steel pipe hole milling fixture the most according to claim 4, it is characterised in that: described briquetting (8) front end is arcs of recesses.

Seamless steel pipe hole milling fixture the most according to claim 5, it is characterised in that: described driving means (4) includes one Cylinder.