CN219131931U

CN219131931U - Pipe cutting machine clamping jaw groove processing special fixture

Info

Publication number: CN219131931U
Application number: CN202222172740.6U
Authority: CN
Inventors: 李文孝; 田振权; 佟多广; 苏维亮
Original assignee: Harbin Boiler Co Ltd
Current assignee: Harbin Boiler Co Ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-06-06
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a special clamp for processing a pipe cutting machine clamping jaw groove, which belongs to the field of pipe cutting machines and comprises a lower positioning assembly, an upper positioning assembly and a fixing assembly; one end of the lower positioning component is fixedly connected with one end of the upper positioning component; the other end of the lower positioning component is movably connected with one end of the fixing component; the other end of the fixed component is movably connected with the other end of the upper positioning component; the lower positioning assembly is fixedly arranged at one end of the upper positioning assembly through a fixing bolt. According to the special clamp for processing the clamping jaw groove of the pipe cutting machine, disclosed by the utility model, the clamp is used for clamping on the universal grinding machine to replace manual clamping jaws for grooving, so that the precision is improved, and the shape, position and size are ensured; solves the difficult problem of the grooving production process; the processing safety and the processing efficiency of the groove opening are improved, the clamping is stable, firm and reliable, the working efficiency is improved, and the grooving precision is improved.

Description

Pipe cutting machine clamping jaw groove processing special fixture

Technical Field

The utility model relates to the field of pipe cutting machines, in particular to a special clamp for machining a clamping jaw groove of a pipe cutting machine.

Background

The automatic pipe cutting machine is a common pipe blanking device, clamping jaws on the automatic pipe cutting machine are vulnerable parts, and the pipe cutting and blanking efficiency of the pipe cutting machine directly depends on the quality guarantee and quality guarantee timely supply of the clamping jaws, so that timely production of the clamping jaws is very important for a company to finish pipe blanking tasks. The technological difficulty of the pipe cutting machine clamping jaw during processing is the procedure of how to process a groove, if milling is performed by a milling machine before quenching, three clamping jaws on the pipe cutting machine clamping jaw deform during quenching to cause the geometric shape and position to be out of tolerance, and meanwhile, the inner hole cannot be processed because the three clamping jaws at one end of the inner hole are in an open state, and the outer circle cannot be processed by penetrating through a mandrel. If the groove is processed after quenching, milling processing cannot be performed due to the quenching hardness HRC48-58 of the clamping jaw. So that the groove can be cut by a slicing grinding wheel on a universal grinding machine only after the inner hole and the outer circle are ground after quenching. In the prior art, the workpiece is manually held by a hand to cut the workpiece into slices on the edge grinder. Disadvantages: the operator can manually hold the clamping jaw easily to be tired, the precision and the shape and position size can not be ensured, and the use is influenced; the labor intensity is high, and the efficiency is low; the hand-held workpiece clamping jaw also generates manual vibration due to fatigue of operators, so that the grinding wheel is unevenly threshed to form eccentric grinding, and the grinding wheel is damaged, flies out and hurts people, thereby causing safety accidents.

Disclosure of Invention

In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a special clamp for processing a clamping jaw groove of a pipe cutting machine, which is used for clamping the clamping jaw on a universal grinding machine to replace manual clamping jaws for grooving, so that the precision is improved, and the shape and position size is ensured; solves the difficult problem of the grooving production process; the processing safety and the processing efficiency of the groove opening are improved, the clamping is stable, firm and reliable, the working efficiency is improved, and the grooving precision is improved.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a special clamp for processing a clamping jaw groove of a pipe cutting machine, which comprises a lower positioning assembly, an upper positioning assembly and a fixing assembly; one end of the lower positioning component is fixedly connected with one end of the upper positioning component; the other end of the lower positioning component is movably connected with one end of the fixing component; the other end of the fixed component is movably connected with the other end of the upper positioning component; the lower positioning assembly is fixedly arranged at one end of the upper positioning assembly through a fixing bolt; one end of the lower positioning component is provided with a lower clamping plate; the other end of the lower positioning component is provided with a base. The upper positioning assembly comprises an upper clamping plate and a pulling plate; one end of the upper clamping plate is movably connected with the top end of the pulling plate; the bottom end of the pull plate is fixedly arranged at one end of the lower positioning assembly through the fixing bolt.

The utility model further adopts the technical scheme that the clamping opening of the upper clamping plate is provided with a V-shaped groove I; the other end of the upper clamping plate is provided with a positioning U-shaped groove.

The further technical scheme of the utility model is that the clamping opening of the lower clamping plate is arranged as a V-shaped groove II.

The utility model further adopts the technical scheme that one end of the base is provided with a avoidance seat; one end of the base is fixedly connected with the bottom end of the avoidance seat through an inner six screw;

one end of the avoidance seat is propped against one end of the lower clamping plate.

The utility model further adopts the technical scheme that a groove is arranged in the middle of the avoidance seat.

The further technical scheme of the utility model is that the fixing component comprises a positioning rod, a avoiding bolt and a fixing nut; the bottom end of the avoidance bolt is inserted into the groove; the bottom end of the avoidance bolt is movably connected with the inside of the groove through the positioning rod; the top end of the avoiding bolt penetrates through the positioning U-shaped groove and is fixedly connected with the fixing nut; the fixing nut is propped against the upper clamping plate and used for locking the upper clamping plate.

The beneficial effects of the utility model are as follows:

according to the special clamp for machining the clamping jaw groove of the pipe cutting machine, the clamp is used for clamping on the universal grinding machine to replace manual clamping jaws for grooving, so that the precision is improved, the shape and position size is ensured, the safety distance between an operator and cutting is ensured, and the personal safety of the operator is ensured; solves the difficult problem of the grooving production process; the processing safety and the processing efficiency of the groove opening are improved, the clamping is stable, firm and reliable, the working efficiency is improved, and the grooving precision is improved.

Drawings

Fig. 1 is a structural cross-sectional view of a pipe cutter jaw groove processing special fixture of the present utility model.

Fig. 2 is a top view of the special clamp for processing the clamping jaw groove of the pipe cutting machine.

Fig. 3 is a right side view of the structure of the pipe cutter jaw groove processing special fixture of the present utility model.

Fig. 4 is a schematic structural view of an upper clamping plate 21 of the pipe cutting machine clamping jaw groove processing special clamp.

Fig. 5 is a top view of the upper clamping plate 21 of the pipe cutting machine clamping jaw groove processing special clamp.

Fig. 6 is a cross-sectional view of the seat 121 of the pipe cutter jaw groove processing special fixture according to the present utility model.

Fig. 7 is a left side view of the structure of the seat 121 of the pipe cutter jaw groove processing special fixture of the present utility model.

Fig. 8 is a top view of the seat 121 of the clamp for pipe cutter jaw groove processing according to the present utility model.

In the figure:

a lower positioning assembly 1; a lower clamping plate 11; v-shaped groove two 111; a base 12; a seat 121; grooves 1211; an inner six screw 122; an upper positioning assembly 2; an upper clamping plate 21; v-shaped groove one 211; positioning the U-shaped groove 212; a pulling plate 22; a fixing assembly 3; a positioning rod 31; avoiding bolts 32; a fixing nut 33; and a fixing bolt 4.

Detailed Description

The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

The first embodiment is as follows:

the utility model relates to the field of pipe cutting machines, in particular to a special clamp for processing a clamping jaw groove of a pipe cutting machine, which comprises a lower positioning component 1, an upper positioning component 2 and a fixing component 3, wherein the lower positioning component is a clamping jaw groove of the pipe cutting machine; one end of the lower positioning component 1 is fixedly connected with one end of the upper positioning component 2; the other end of the lower positioning component 1 is movably connected with one end of the fixing component 3; the other end of the fixed component 3 is movably connected with the other end of the upper positioning component 2; the lower positioning component 1 is fixedly arranged at one end of the upper positioning component 2 through a fixing bolt 4; one end of the lower positioning component 1 is provided with a lower clamping plate 11; the other end of the lower positioning assembly 1 is provided with a base 12. The upper positioning assembly 2 comprises an upper clamping plate 21 and a pulling plate 22; one end of the upper clamping plate 21 is movably connected with the top end of the pulling plate 22; the bottom end of the pulling plate 22 is fixedly arranged at one end of the lower positioning component 1 through a fixing bolt 4; the clamping is stable, firm and reliable.

The second embodiment is as follows:

the following describes the first embodiment with reference to fig. 1, 2, 3, 4, 5, 6, 7, and 8, where the clamping opening of the upper clamping plate 21 is configured as a V-shaped groove 211, and the V-shaped groove 211 plays a role in positioning; the other end of the upper clamping plate 21 is provided with a positioning U-shaped groove 212.

And a third specific embodiment:

next, this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, and 8, in which the first embodiment is further described, and the clip of the lower clamping plate 11 is provided with the V-groove two 111, and the V-groove two 111 plays a role in positioning.

The specific embodiment IV is as follows:

next, this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, in which a first embodiment is further described, and a seat 121 is disposed at one end of the base 12; one end of the base 12 is fixedly connected with the bottom end of the avoidance seat 121 through an inner six screw 122; one end of the avoidance seat 121 abuts against one end of the lower clamping plate 11.

Fifth embodiment:

next, this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, and 8, in which a recess 1211 is provided in the middle of the seat 121.

Specific embodiment six:

next, this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, in which the first embodiment is further described, and the fixing assembly 3 includes a positioning rod 31, a bolt 32, and a fixing nut 33; the bottom end of the avoiding bolt 32 is inserted into the groove 1211; the bottom end of the avoiding bolt 32 is movably connected with the inside of the groove 1211 through the positioning rod 31, and the avoiding bolt 32 can freely rotate in the groove 1211; the top end of the avoiding bolt 32 passes through the positioning U-shaped groove 212 to be fixedly connected with the fixing nut 33; the fixing nut 33 is used for locking the upper clamping plate 21 by abutting against the upper clamping plate 21, after the workpiece is placed between the upper clamping plate 21 and the lower clamping plate 11, the top end of the avoiding bolt 32 is inserted into the positioning U-shaped groove 212 of the upper clamping plate 21 to be locked by the fixing nut 33.

Working principle: firstly, placing a workpiece on a lower clamping plate 11, pressing the workpiece by using an upper clamping plate 21, then inserting the top end of a avoiding bolt 32 into a positioning U-shaped groove 212 of the upper clamping plate 21, locking by using a fixing nut 33, clamping the workpiece on a universal grinding machine by using a clamp to replace manual holding clamping jaws for grooving, improving the precision and ensuring the shape, position and size; solves the difficult problem of the grooving production process; the processing safety and the processing efficiency of the groove opening are improved, the clamping is stable, firm and reliable, the working efficiency is improved, and the grooving precision is improved.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.

Claims

1. A special fixture for processing a clamping jaw groove of a pipe cutting machine is characterized in that,

comprises a lower positioning component (1), an upper positioning component (2) and a fixing component (3);

one end of the lower positioning component (1) is fixedly connected with one end of the upper positioning component (2);

the other end of the lower positioning component (1) is movably connected with one end of the fixing component (3);

the other end of the fixed component (3) is movably connected with the other end of the upper positioning component (2);

the lower positioning assembly (1) is fixedly arranged at one end of the upper positioning assembly (2) through a fixing bolt (4);

one end of the lower positioning component (1) is provided with a lower clamping plate (11);

the other end of the lower positioning component (1) is provided with a base (12);

the upper positioning assembly (2) comprises an upper clamping plate (21) and a pulling plate (22);

one end of the upper clamping plate (21) is movably connected with the top end of the pulling plate (22);

the bottom end of the pulling plate (22) is fixedly arranged at one end of the lower positioning assembly (1) through the fixing bolt (4).

2. The pipe cutting jaw groove machining special fixture of claim 1, wherein:

the clamping opening of the upper clamping plate (21) is provided with a V-shaped groove I (211);

the other end of the upper clamping plate (21) is provided with a positioning U-shaped groove (212).

3. The pipe cutting jaw groove machining special fixture of claim 1, wherein:

the clamping opening of the lower clamping plate (11) is provided with a V-shaped groove II (111).

4. The pipe cutting jaw groove machining special fixture of claim 1, wherein:

one end of the base (12) is provided with a avoidance seat (121);

one end of the base (12) is fixedly connected with the bottom end of the avoidance seat (121) through an inner six screw (122);

one end of the avoidance seat (121) is propped against one end of the lower clamping plate (11).

5. The pipe cutting machine clamping jaw groove processing special fixture of claim 4, wherein:

a groove (1211) is formed in the middle of the avoidance seat (121).

6. The pipe cutting jaw groove machining special fixture of claim 1, wherein:

the fixing assembly (3) comprises a positioning rod (31), a avoiding bolt (32) and a fixing nut (33);

the bottom end of the avoidance bolt (32) is inserted into the groove (1211);

the bottom end of the avoiding bolt (32) is movably connected with the inside of the groove (1211) through the positioning rod (31);

the top end of the avoiding bolt (32) passes through the positioning U-shaped groove (212) to be fixedly connected with the fixing nut (33);

the fixing nut (33) is propped against the upper clamping plate (21) and used for locking the upper clamping plate (21).