阅读说明：本技术 一种机床用工件夹持辅助机构 (Workpiece clamping auxiliary mechanism for machine tool ) 是由 曹玉生 于 2019-12-09 设计创作，主要内容包括：本发明公开了一种机床用工件夹持辅助机构,包括安装固定板,所述安装固定板的中部顶面固定有主固定板,主固定板的顶面中部具有中心安装凹槽,中心安装凹槽的底面中部固定有放置板,待加工工件压靠在放置板的顶面上；所述中心安装凹槽的前壁面和后壁面处均螺接有调节螺栓,调节螺栓的螺杆的端部通过轴承铰接有压紧板,压紧板压靠在待加工工件的后壁面或前壁面上,调节螺栓的转动部处于主固定板的外侧处；它可以自动将待加工工件自动夹持固定,其无需多次装卸,夹持固定牢固,适用于大批量加工,大大降低人工劳动量。(The invention discloses a workpiece clamping auxiliary mechanism for a machine tool, which comprises an installation fixing plate, wherein a main fixing plate is fixed on the top surface of the middle part of the installation fixing plate, a central installation groove is formed in the middle of the top surface of the main fixing plate, a placing plate is fixed on the middle part of the bottom surface of the central installation groove, and a workpiece to be processed is pressed on the top surface of the placing plate; the front wall surface and the rear wall surface of the central mounting groove are both in threaded connection with adjusting bolts, the end parts of screws of the adjusting bolts are hinged with pressing plates through bearings, the pressing plates are pressed against the rear wall surface or the front wall surface of a workpiece to be processed, and the rotating parts of the adjusting bolts are positioned at the outer sides of the main fixing plates; the automatic clamping device can automatically clamp and fix a workpiece to be machined, does not need to be assembled and disassembled for multiple times, is firm in clamping and fixing, is suitable for large-batch machining, and greatly reduces the amount of manual labor.)

1. The utility model provides a work piece centre gripping complementary unit for lathe, includes installation fixed plate (10), its characterized in that: a main fixing plate (11) is fixed on the top surface of the middle part of the mounting fixing plate (10), a central mounting groove (12) is formed in the middle of the top surface of the main fixing plate (11), a placing plate (13) is fixed on the middle of the bottom surface of the central mounting groove (12), and a workpiece (100) to be processed is pressed on the top surface of the placing plate (13);

adjusting bolts (14) are respectively screwed at the front wall surface and the rear wall surface of the central mounting groove (12), the end parts of screws of the adjusting bolts (14) are hinged with side pressure plates (15) through bearings, the side pressure plates (15) are pressed on the rear wall surface or the front wall surface of a workpiece (100) to be processed, and the rotating parts of the adjusting bolts (14) are positioned at the outer side of the main fixing plate (11);

the top surfaces of the left side and the right side of the installation fixing plate (10) are respectively fixed with a support frame (16), the two support frames (16) are respectively fixed with a transverse moving mechanism (20), a vertical transverse moving plate (21) of the transverse moving mechanism (20) is respectively fixed with a pressing oil cylinder (22), a push rod of the pressing oil cylinder (22) penetrates through the vertical transverse moving plate (21) and is fixed with a pressing plate (23), a pressing block (24) is fixed on the wall surface of the pressing plate (23), and the left end surface and the right end surface of the workpiece (100) to be processed are pressed against the corresponding pressing blocks (24).

2. The workpiece holding assist mechanism for a machine tool as set forth in claim 1, wherein: and an anti-skid pressing plate (241) is fixed on the wall surface of the pressing block (24), and the anti-skid pressing plate (241) is pressed on the left end surface or the right end surface of the workpiece (100) to be processed.

3. The workpiece holding assist mechanism for a machine tool as set forth in claim 1, wherein: the top surface of the pressing plate (23) is fixedly provided with a transverse plate (25), the top surface of the transverse plate (25) is fixedly provided with an upper pressing oil cylinder (26), a push rod of the upper pressing oil cylinder (26) penetrates through the bottom surface of the transverse plate (25) and is fixedly provided with an upper pressing plate (27), and the upper pressing plate (27) is pressed on the top surface of the end part of the workpiece (100) to be processed.

4. The workpiece holding assist mechanism for a machine tool as set forth in claim 3, wherein: an upper antiskid plate (271) is fixed on the bottom surface of the upper pressing plate (27), and the upper antiskid plate (271) is pressed against the top surface of the end part of the workpiece (100) to be processed.

5. The workpiece holding assist mechanism for a machine tool as set forth in claim 1, wherein: the transverse moving mechanism (20) comprises a main transverse plate (28), the end part of the main transverse plate (28) is fixed on the top surface of the support frame (16), the left part and the right part of the bottom surface of the main transverse plate (28) are respectively fixed with a connecting plate (281), the two ends of a transverse adjusting screw rod (282) are hinged to the two connecting plates (281) through bearings, a moving motor (283) is fixed on the outer side wall of one connecting plate (281), the moving motor (283) drives the transverse adjusting screw rod (282) to rotate, and a vertical transverse moving plate (21) is in threaded connection with the transverse adjusting screw rod (282).

6. The workpiece holding assist mechanism for a machine tool as set forth in claim 5, wherein: the bottom surface of main horizontal board (28) is fixed with horizontal guide strip (289), and the top surface of vertical horizontal moving plate (21) is fixed with slider (211), and horizontal guide strip (289) plug bush is in the spout that the top surface of slider (211) has.

7. The workpiece holding assist mechanism for a machine tool as set forth in claim 5, wherein: and the opposite wall surfaces of the two connecting plates (281) are respectively fixed with an elastic limiting block (284), and the elastic limiting blocks (284) face the vertical transverse moving plate (21).

8. The workpiece holding assist mechanism for a machine tool as set forth in claim 5, wherein: the vertical and horizontal moving plate (21) is fixedly provided with a main guide rod (1), and the main guide rod (1) is inserted and sleeved in a guide through hole (161) of a vertical main plate of the support frame (16).

9. The workpiece holding assist mechanism for a machine tool as set forth in claim 8, wherein: a transverse guide sleeve (162) is fixed on the inner side wall of the guide through hole (161) of the vertical main board, and the main guide rod (1) is inserted in the transverse guide sleeve (162).

10. The workpiece holding assist mechanism for a machine tool as set forth in claim 8, wherein: and a transverse guide rod (2) is fixed on the outer side wall of the pressing plate (23), and the transverse guide rod (2) is inserted into a central guide through hole formed in the middle of the main guide rod (1).

Technical Field

The invention relates to the technical field of machine tool equipment, in particular to a workpiece clamping auxiliary mechanism for a machine tool.

Background

In the existing machine tool, workpieces to be processed are fixed through bolt fixing pressing blocks, the bolt fixing pressing blocks are required to be detached and installed when the workpieces are processed at each time, the detaching and installing times are large, the large-batch processing is very troublesome and not suitable, and the amount of manual labor is increased.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a workpiece clamping auxiliary mechanism for a machine tool, which can automatically clamp and fix a workpiece to be machined, does not need to be assembled and disassembled for multiple times, is firm in clamping and fixing, is suitable for large-scale machining, and greatly reduces the amount of manual labor.

The technical solution of the invention is as follows:

a workpiece clamping auxiliary mechanism for a machine tool comprises an installation fixing plate, wherein a main fixing plate is fixed on the top surface of the middle part of the installation fixing plate, a central installation groove is formed in the middle of the top surface of the main fixing plate, a placing plate is fixed on the middle of the bottom surface of the central installation groove, and a workpiece to be processed is pressed on the top surface of the placing plate;

the front wall surface and the rear wall surface of the central mounting groove are both in threaded connection with adjusting bolts, the end parts of screws of the adjusting bolts are hinged with pressing plates through bearings, the pressing plates are pressed against the rear wall surface or the front wall surface of a workpiece to be processed, and the rotating parts of the adjusting bolts are positioned at the outer sides of the main fixing plates;

the top surfaces of the left side and the right side of the installation fixing plate are respectively fixed with a support frame, the two support frames are respectively fixed with a transverse moving mechanism, a vertical transverse moving plate of the transverse moving mechanism is respectively fixed with a pressing oil cylinder, a push rod of the pressing oil cylinder penetrates through the vertical transverse moving plate and is fixed with a pressing plate, a wall surface of the pressing plate is fixed with a pressing block, and the left end surface and the right end surface of the workpiece to be processed are pressed on the corresponding pressing blocks.

And an anti-skidding pressing plate is fixed on the wall surface of the pressing block and is pressed against the left end surface or the right end surface of the workpiece to be processed.

The top surface of the pressing plate is fixed with a transverse plate, the top surface of the transverse plate is fixed with an upper pressing oil cylinder, a push rod of the upper pressing oil cylinder penetrates through the bottom surface of the transverse plate and is fixed with an upper pressing plate, and the upper pressing plate is pressed against the top surface of the end part of a workpiece to be processed.

And an upper antiskid plate is fixed on the bottom surface of the upper pressing plate and is pressed against the top surface of the end part of the workpiece to be processed.

The transverse moving mechanism comprises a main transverse plate, the end part of the main transverse plate is fixed on the top surface of the support frame, the left part and the right part of the bottom surface of the main transverse plate are respectively fixed with a connecting plate, the two ends of a transverse adjusting screw rod are hinged on the two connecting plates through bearings, a moving motor is fixed on the outer side wall of one connecting plate, the moving motor drives the transverse adjusting screw rod to rotate, and a vertical transverse moving plate is in threaded connection with the transverse adjusting screw rod.

The bottom surface of the main transverse plate is fixed with a transverse guide strip, the top surface of the vertical transverse moving plate is fixed with a sliding block, and the transverse guide strip is inserted in a sliding groove formed in the top surface of the sliding block.

And the opposite wall surfaces of the two connecting plates are respectively fixed with an elastic limiting block, and the elastic limiting blocks face the vertical transverse moving plate.

And a main guide rod is fixed on the vertical and horizontal moving plate and is inserted and sleeved in a guide through hole of a vertical main plate of the support frame.

And a transverse guide sleeve is fixed on the inner side wall of the guide through hole of the vertical main board, and the main guide rod is inserted in the transverse guide sleeve.

And a transverse guide rod is fixed on the outer side wall of the pressing plate and is inserted in a central guide through hole formed in the middle of the main guide rod.

The invention has the beneficial effects that:

the automatic clamping device can automatically clamp and fix a workpiece to be machined, does not need to be assembled and disassembled for multiple times, is firm in clamping and fixing, is suitable for large-batch machining, and greatly reduces the amount of manual labor.

Drawings

FIG. 1 is a schematic view of a partial structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a partial top view at the primary anchor plate.

Detailed Description