阅读说明：本技术 一种t型槽转换块及其实现的装夹方法 (T-shaped groove conversion block and clamping method realized by same ) 是由 徐进 陈翔 仲嘉嘉 钱玮明 于 2021-06-16 设计创作，主要内容包括：一种T型槽转换块及其实现的装夹方法,包括有基座、一对固定件、支撑座、可调支撑、压板和装夹螺栓；其中,基座安装在工作台上,上平面开设有纵向的T型槽,一对固定件安装于基座的T型槽中且左右各一地将该基座连接固定于工作台上,支撑座下部连接于基座上且能够沿该基座的纵向滑移,可调支撑通过螺纹连接于支撑座的上部且通过旋转螺纹调节高度,压板为U型构件,设有开口直槽,一端压制于可调支撑的顶部,装夹螺栓的下部嵌入基座的T型槽中,上部穿过压板的开口直槽且通过螺母将压板压紧；所述T型槽转换块沿所述工作台的纵向或者横向安装,或者安装时伸出工作台的台面。本发明提高了工件装夹的可靠性和机床的利用率,扩展了机床的可装夹范围,避免了质量问题。(A T-shaped groove conversion block and a clamping method for realizing the T-shaped groove conversion block comprise a base, a pair of fixing pieces, a supporting seat, an adjustable support, a pressing plate and a clamping bolt; the clamping device comprises a base, a pair of fixing pieces, a pressing plate, a clamping bolt and a nut, wherein the base is installed on a workbench, a longitudinal T-shaped groove is formed in the upper plane of the base, the pair of fixing pieces are installed in the T-shaped groove of the base and connect and fix the base on the workbench one by one on the left and right, the lower portion of the supporting seat is connected to the base and can slide along the longitudinal direction of the base, the adjustable support is connected to the upper portion of the supporting seat through threads and is adjusted in height through rotating the threads, the pressing plate is a U-shaped component and is provided with an open straight groove, one end of the U-shaped component is pressed at the top of the adjustable support, the lower portion of the clamping bolt is embedded into the T-shaped groove of the base, and the upper portion of the clamping bolt penetrates through the open straight groove of the pressing plate and tightly presses the pressing plate through the nut; the T-shaped groove conversion block is arranged along the longitudinal direction or the transverse direction of the workbench, or extends out of the table top of the workbench during installation. The invention improves the reliability of workpiece clamping and the utilization rate of the machine tool, expands the clamping range of the machine tool and avoids the quality problem.)

1. The utility model provides a T type groove conversion piece installs on the workstation of lathe, is equipped with many longitudinal arrangement's T type groove on the mesa of this workstation, its characterized in that: t type groove conversion piece be used for adjusting the clamping position of work piece and widen the clamping scope of workstation, including:

the base is arranged on the workbench, and a longitudinal T-shaped groove is formed in the upper plane of the base;

the pair of fixing pieces are arranged in the T-shaped groove of the base and are used for connecting and fixing the base on the table top of the workbench one by one on the left and right;

the lower part of the supporting seat is connected to the base and can slide along the longitudinal direction of the base;

the adjustable support is connected to the upper part of the support seat through threads and is used for adjusting the height through rotating the threads;

the pressing plate is a U-shaped component and is provided with an open straight groove, and one end of the pressing plate is pressed at the top of the adjustable support;

and the lower part of the clamping bolt is embedded into the T-shaped groove of the base, and the upper part of the clamping bolt penetrates through the open straight groove of the pressing plate and is tightly pressed by the nut.

2. The T-slot transition block of claim 1, wherein: the lower part of the supporting seat is provided with a positioning groove with a downward opening, two sides of the front section of the base are provided with longitudinal shoulders which are embedded in the positioning groove and can slide along the positioning groove to adjust the fixing position of the supporting seat.

3. The T-slot transition block of claim 1, wherein: the upper portion of adjustable support be equipped with and be used for supporting the button head portion of clamp plate, the lower part is the round bar, and the periphery is equipped with the external screw thread, the upper portion of supporting seat be equipped with this external screw thread connection's screw hole.

4. The T-slot transition block of claim 1, wherein: the cross section of the lower part of the clamping bolt is in a convex shape and is used for being matched with the T-shaped groove of the base.

5. The T-slot transition block of claim 1, wherein: the both sides of base be equipped with the ear, be equipped with the open slot on this ear, be used for with the mounting is connected.

6. The T-slot transition block of claim 1, wherein: the upper part of the fixing piece is a round rod, external threads are arranged on the periphery of the fixing piece, and the cross section of the lower part of the fixing piece is in a convex shape and is used for being matched with the T-shaped groove on the table top of the workbench.

7. A clamping method implemented by using the T-shaped groove conversion block of claim 1, wherein: the clamping method comprises the following specific steps:

1) arranging a plurality of standard cushion blocks on the table surface of a workbench of the machine tool, placing a workpiece on the standard cushion blocks and adjusting the level;

2) the table surfaces of the workbench at the front part and the rear part of the workpiece are provided with the T-shaped groove conversion blocks;

3) and moving the supporting seat on the base to meet the clamping requirement of the workpiece, rotating the adjustable support to adjust the height of the adjustable support, pressing one end of a pressing plate against the workpiece, pressing the adjustable support by the other end of the pressing plate, and tightly pressing the workpiece by screwing a nut and the pressing plate to finish the clamping of the workpiece.

8. The clamping method according to claim 7, wherein: the step 2) further comprises the following steps: an organic equal-height cushion block is supported between the upper plane of the base of the T-shaped groove conversion block and the lower part of the workpiece, and the base is used as the standard cushion block.

9. The clamping method according to claim 7, wherein: the step 2) further comprises the following steps: the T-shaped groove conversion block is arranged along the longitudinal direction or the transverse direction of the workbench.

10. The clamping method according to claim 7, wherein: the step 2) further comprises the following steps: and the T-shaped groove conversion block extends out of the table top of the workbench when being installed.

Technical Field

The invention relates to a clamping tool for a machine tool, in particular to a T-shaped groove conversion block and a clamping method for realizing the T-shaped groove conversion block, and belongs to the technical field of machining.

Background

In the processing and manufacturing of the high-power low-speed marine diesel engine, the clamping mode of a plurality of parts during processing on a numerical control machine tool has limitations, for example, the processing of a large connecting rod has a large outline size, and a workpiece occupies the working table of the whole machine tool, so that the available clamping position space is limited, and the clamping force is often insufficient. At present, a plurality of clamping methods for large parts are available, and the clamping method has the following characteristics and characteristics:

1. when the T-shaped groove on the working table surface of the machine tool cannot clamp the straight clamping hole, a bridge-passing type overlapping method is adopted, and the defects that the clamping force is insufficient, and the displacement of a workpiece in the machining process is easily caused are overcome;

2. when the T-shaped groove on the working table surface of the machine tool is far away from the workpiece, a method for increasing clamping force or reducing cutting force is adopted, and the defects that the pressure plate torque ratio is uneven, and the workpiece is easy to displace in the machining process are also caused;

3. when the appearance of the workpiece exceeds the range of the T-shaped groove on the working table surface of the machine tool, the machine tool with a larger size is replaced for processing, and the defect is that the production arrangement is greatly limited.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a T-shaped groove conversion block and a clamping method for realizing the T-shaped groove conversion block, so that the effects of improving the clamping firmness, improving the utilization rate of a machine tool and ensuring the product quality are achieved.

Based on the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a T type groove conversion piece installs on the workstation of lathe, is equipped with many longitudinal arrangement's T type groove on the mesa of this workstation, its characterized in that: t type groove conversion piece be used for adjusting the clamping position of work piece and widen the clamping scope of workstation, including:

the base is arranged on the workbench, and a longitudinal T-shaped groove is formed in the upper plane of the base;

the pair of fixing pieces are arranged in the T-shaped groove of the base and are used for connecting and fixing the base on the table top of the workbench one by one on the left and right;

the lower part of the supporting seat is connected to the base and can slide along the longitudinal direction of the base;

the adjustable support is connected to the upper part of the support seat through threads and is used for adjusting the height through rotating the threads;

the pressing plate is a U-shaped component and is provided with an open straight groove, and one end of the pressing plate is pressed at the top of the adjustable support;

and the lower part of the clamping bolt is embedded into the T-shaped groove of the base, and the upper part of the clamping bolt penetrates through the open straight groove of the pressing plate and is tightly pressed by the nut.

Furthermore, the lower part of the supporting seat is provided with a positioning groove with a downward opening, two sides of the front section of the base are provided with longitudinal shoulders which are embedded in the positioning groove and can slide along the positioning groove to adjust the fixing position of the supporting seat.

Furthermore, the upper portion of adjustable support be equipped with and be used for supporting the button head portion of clamp plate, the lower part is the round bar, and the periphery is equipped with the external screw thread, the upper portion of supporting seat be equipped with this external screw thread connection's screw hole.

Furthermore, the cross section of the lower part of the clamping bolt is in a convex shape and is used for being matched with the T-shaped groove of the base.

Furthermore, the both sides of base be equipped with the ear, be equipped with the open slot on this ear for with the mounting is connected.

Furthermore, the upper portion of mounting be the round bar, the periphery is equipped with the external screw thread, the cross-sectional shape of lower part is the type of protruding for with the T type groove on the mesa of workstation matches.

The other technical scheme of the invention is as follows:

a clamping method realized by utilizing the T-shaped groove conversion block comprises the following specific steps:

1) arranging a plurality of standard cushion blocks on the table surface of a workbench of the machine tool, placing a workpiece on the standard cushion blocks and adjusting the level;

2) the table surfaces of the workbench at the front part and the rear part of the workpiece are provided with the T-shaped groove conversion blocks;

3) and moving the supporting seat on the base to meet the clamping requirement of the workpiece, rotating the adjustable support to adjust the height of the adjustable support, pressing one end of a pressing plate against the workpiece, pressing the adjustable support by the other end of the pressing plate, and tightly pressing the workpiece by screwing a nut and the pressing plate to finish the clamping of the workpiece.

Further, the step 2) further comprises: an organic equal-height cushion block is supported between the upper plane of the base of the T-shaped groove conversion block and the lower part of the workpiece, and the base is used as the standard cushion block.

Further, the step 2) further comprises: the T-shaped groove conversion block is arranged along the longitudinal direction or the transverse direction of the workbench.

Further, the step 2) further comprises: and the T-shaped groove conversion block extends out of the table top of the workbench when being installed.

Compared with the prior art, the invention has the beneficial effects that:

1. the clamping firmness is improved, namely the T-shaped groove conversion block is provided with the T-shaped groove, namely a T-shaped groove is additionally arranged on the table top of the machine tool workbench, so that the position of the pressing plate can be better adjusted, the torque ratio of the workpiece to the clamping bolt can be more reasonably adjusted, and the pressing force is increased.

2. The utilization rate of the machine tool is improved, the T-shaped groove conversion block can extend out of the working table of the machine tool, the effect of widening the working table of the machine tool is achieved, and therefore the T-shaped groove conversion block can be suitable for processing more various parts.

In conclusion, the invention improves the clamping state of the workpiece, improves the clamping reliability, achieves the effect of widening the range of the working table of the machine tool and improves the utilization rate of the machine tool.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an exploded view of the structure of fig. 1.

Fig. 3 is a state diagram of the use of the present invention.

In the figure:

01-workbench, 02-workpiece, 03-T-shaped groove conversion block, 04-standard cushion block, 05-machine type equal-height cushion block, 1-base, 2-supporting base, 3-adjustable support, 4-fixing piece, 5-clamping bolt and 6-pressing plate.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

The clamping device is used for clamping workpieces on the workbench of the machine tool, so that the clamping reliability is improved, and the workpiece clamping range of the workbench is expanded.

Referring to fig. 3, a T-shaped groove conversion block 03 according to the present invention is mounted on a table 01 of a machine tool, and is configured to adjust a clamping position of a workpiece 02 and widen a clamping range of the table 01, and a plurality of longitudinally arranged T-shaped grooves are provided on a table top of the table 01.

Referring to fig. 1, the T-shaped groove conversion block includes a base 1, a pair of fixing members 4, a supporting seat 2, an adjustable support 3, a pressing plate 6 and a clamping bolt 5.

Referring to fig. 1 and fig. 2, the base 1 is mounted on the worktable 01, and a longitudinal T-shaped groove is formed on the upper plane thereof; the both sides of the anterior segment of base 1 are equipped with fore-and-aft circular bead, and the both sides of back end are equipped with the ear, are equipped with the open slot on this ear for with mounting 4 is connected.

The upper part of the fixing piece 4 is a round rod, the periphery of the fixing piece is provided with external threads, and the cross section of the lower part of the fixing piece 4 is in a convex shape and is matched with a T-shaped groove on the table top of the workbench 01; the pair of fixing members 4 are installed in T-shaped grooves of the table 01 on both sides of the base 1, respectively, and the base 1 is connected and fixed to a table top of the table 01.

The upper portion of the supporting seat 2 is provided with a threaded hole connected with the adjustable support 3, the lower portion of the supporting seat is provided with a positioning groove with a downward opening, the positioning groove is embedded with a shoulder of the front section of the base 1, and the shoulder can slide along the positioning groove, so that the supporting seat 2 is connected to the base 1 and can slide along the longitudinal direction of the base 1, and the fixing position of the supporting seat 2 can be adjusted.

The upper part of the adjustable support 3 is provided with a round head part for supporting the pressing plate 6, the lower part is a round rod, and the periphery of the adjustable support is provided with external threads; the adjustable support 3 is connected to the threaded hole at the upper part of the support seat 2 through the external thread, and the height of the adjustable support 3 is adjusted through rotation.

The pressing plate 6 is a U-shaped component and is provided with an open straight groove, and one end of the pressing plate is pressed at the top of the adjustable support;

the cross section of the lower part of the clamping bolt 5 is in a convex shape matched with the T-shaped groove of the base 1 and is embedded into the T-shaped groove of the base 1, and the upper part of the clamping bolt 5 penetrates through the open straight groove of the pressing plate 6 and presses the pressing plate 6 tightly through a nut.

The clamping method of the present invention is implemented by the above T-shaped groove conversion block, please refer to fig. 3, which includes the following specific steps:

1) arranging a plurality of standard cushion blocks 04 on the table surface of a workbench 01 of the machine tool, placing a workpiece 02 on the standard cushion blocks 04 and adjusting the level.

2) The T-shaped groove conversion blocks 03 are mounted on the table surfaces of the worktable 01 at the front and rear of the workpiece 02.

The T-shaped groove conversion block 03 can be longitudinally installed on the workbench 01 and can also be transversely installed on the workbench 01, a T-shaped groove is additionally arranged between the T-shaped grooves on the workbench 01 of the machine tool in the transverse installation process, the clamping bolt 5 can be closer to the workpiece 02 in the vertical installation process, and the pressing plate 6 can generate larger pressing force through proper moment so as to improve the clamping reliability.

When the profile of the workpiece 02 is larger than the table top of the machine tool workbench 01, the T-shaped groove conversion block 03 can also extend out of the table top of the workbench 01, so that the clamping position range of the workpiece 02 on the workbench 01 can be widened through the T-shaped groove conversion block 03.

When the workpiece 02 needs to be clamped, a machine-shaped equal-height cushion block 05 is arranged and supported between the upper plane of the base 1 of the T-shaped groove conversion block 03 and the lower part of the workpiece 02, in other words, the base 1 is used as the standard cushion block 04 to play a role of the standard cushion block 04.

3) Moving the support seat 2 on the base 1 to meet the clamping requirement of the workpiece 02; and rotating the adjustable support 3 to adjust the height of the adjustable support, pressing one end of a pressing plate 6 against the workpiece 02, pressing the other end of the adjustable support 3 against the round head of the adjustable support 3, and tightly pressing the workpiece 02 through screwing a nut and the pressing plate 6 to finish clamping the workpiece 02.

The invention improves the reliability of part clamping, avoids the quality problem caused by the displacement of a workpiece in the machining process, improves the utilization rate of the machine tool, expands the clamping range of the machine tool and enables the machine tool to adapt to the machining of more parts.

The scope of the invention is not limited to the above embodiments, and all equivalent variations and modifications made according to the disclosure of the present invention are within the scope of the present invention.