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CN-121972698-A - Double-end power blade holder that size can automatic compensation

CN121972698ACN 121972698 ACN121972698 ACN 121972698ACN-121972698-A

Abstract

The invention relates to a double-head power tool apron with automatic size compensation. The double-head synchronous control system solves the technical problems of insufficient synchronism, adjustability and the like of the existing double heads. The cutter head comprises a main cutter holder arranged on the outer side of a power cutter head of a power cutter tower, an auxiliary cutter holder capable of axially and reciprocally moving along the width direction of the main cutter holder is movably arranged at one end of the main cutter holder in the length direction through a direct-connection driving structure, cutter head bases for installing cutter bodies are arranged on the same side, far away from the power cutter head, of the main cutter holder, and the cutter head bases of the main cutter holder are connected with a driving part of the power cutter head, and the cutter head bases of the main cutter holder and the auxiliary cutter holder are connected through an elastic tensioning linkage structure. The tension spring in the elastic tension linkage structure can automatically adjust the pressure of the tension wheel, ensure that the synchronous belt is always in a proper tension state, avoid transmission errors caused by looseness of the synchronous belt, further ensure the motion synchronism of the two cutter head seats, improve the machining dimensional precision and reduce the machining deviation of parts.

Inventors

  • WEI QUANYUE
  • ZHAO YALEI
  • YANG XIAOMIN

Assignees

  • 浙江中智鲸工智能装备有限公司

Dates

Publication Date
20260505
Application Date
20260310

Claims (10)

  1. 1. The utility model provides a but size self-compensating's double-end power blade holder, includes main dress blade holder (2) in the power blade disc (11) outside of power sword tower (1), its characterized in that, main dress blade holder (2) along length direction one end through direct-coupled drive structure (3) activity be equipped with along main dress blade holder (2) width direction axial reciprocating motion's vice dress blade holder (4), main dress blade holder (2) and vice dress blade holder (4) keep away from the same side of power blade disc (11) and all be equipped with tool bit holder (5) that are used for installing tool body (51), tool bit holder (5) of main dress blade holder (2) link to each other with the drive division of power blade disc (11), just tool bit holder (5) of main dress blade holder (2) link to each other through elastic tension linkage structure (6) between tool bit holder (5) of vice dress blade holder (4).
  2. 2. The double-end power tool holder with the automatic size compensation according to claim 1, wherein the direct-connection type driving structure (3) comprises a tool holder connecting groove (31) which is arranged on the auxiliary tool holder (4) and is close to one end of the main tool holder (2) along the length direction, a tool holder connecting part (32) corresponding to the tool holder connecting groove (31) is arranged on one end of the main tool holder (2) along the length direction, which is close to the auxiliary tool holder (4), of the main tool holder (2), the tool holder connecting part (32) axially moves in the tool holder connecting groove (31), the length of the tool holder connecting part (32) is larger than that of the tool holder connecting groove (31), and one end of the main tool holder (2) along the width direction is provided with a direct-connection type driving component (7) which is connected with the auxiliary tool holder (4) and can enable the auxiliary tool holder (4) to axially reciprocate along the width direction of the main tool holder (2).
  3. 3. The double-end power tool apron capable of automatically compensating according to claim 2, wherein the tool apron connecting part (32) is provided with tool apron clamping grooves (33) which are axially extended and arranged at two sides close to one end of the main tool apron (2), the two sides of the upper end of the tool apron connecting groove (31) are provided with tool apron clamping convex blocks (34) which are radially inwards arranged, and the tool apron clamping convex blocks (34) are movably arranged in the tool apron clamping grooves (33).
  4. 4. A double-end power tool holder with automatic size compensation according to claim 2 or 3, characterized in that the direct connection type driving component (7) comprises a motor plate (71) which is arranged at one end of the main tool holder (2) along the width direction and is connected with the tool holder connecting part (32), a motor plate mounting part (72) which is connected with the tool holder connecting part (32) is arranged at the upper end of the motor plate (71), a driving mounting part (73) which corresponds to one end of the auxiliary tool holder (4) along the width direction is arranged at the lower side of the motor plate mounting part (72), a driving motor (74) is connected with one side of the driving mounting part (73) which is far away from the auxiliary tool holder (4), a screw motor (74) is integrated with the driving motor, a tool holder driving hole (75) which is axially penetrated is arranged at the inner side of one end of the auxiliary tool holder (4) along the width direction, a screw shaft (76) which axially penetrates the driving mounting part (73) into the tool holder driving hole (75), and the screw shaft (76) is arranged at one end of the tool holder driving hole (75) which is close to the driving part (73) and is fixedly connected with the screw nut (77).
  5. 5. The double-end power tool apron with the automatic size compensation according to claim 4, wherein the main tool apron (2) is provided with an output sleeve (21) which is axially arranged along the direction of the power tool apron (11) and is positioned in the power tool apron (11), the circumferential inner side of the output sleeve (21) and the circumferential inner side of the auxiliary tool apron (4) are respectively provided with an axially penetrated output hole (22) along the direction of the power tool apron (11), the tool bit seat (5) is provided with a tool bit output shaft (52) which is arranged in the output hole (22), one end of the tool bit output shaft (52) far away from the power tool apron (11) is provided with a tool mounting part (53) which is positioned outside the output hole (22), and one end of the tool bit output shaft (52) far away from the tool mounting part (53) is provided with an output shaft driving end (54) which extends into the power tool apron (11).
  6. 6. The double-end power tool apron capable of automatically compensating according to claim 5, wherein a synchronous pulley (55) is arranged on the outer side of one end, close to the output hole (22), of the tool mounting portion (53), a chuck groove (56) is arranged on the inner side of one end, far away from the synchronous pulley (55), of the tool mounting portion (53), an elastic chuck (57) is arranged on the inner side of the chuck groove (56), a spinning cover (58) corresponding to the elastic chuck (57) is arranged at the opening of the chuck groove (56), one end of the tool body (51) is arranged on the inner side of the elastic chuck (57), the other end of the tool body (51) axially extends to the outer side of the chuck groove (56), and the tool body (51) is an alloy milling cutter piece.
  7. 7. The double-end power tool apron capable of being automatically compensated according to claim 6, wherein the elastic tensioning linkage structure (6) comprises a synchronous belt (61) arranged between two synchronous pulleys (55), a tensioning installation part (62) which extends outwards axially and corresponds to the tool installation part (53) is arranged at one end of the motor plate installation part (72), a tensioning seat (63) is arranged at one side, close to the tool installation part (53), of the tensioning installation part (62), a plurality of tensioning columns (64) connected with the tensioning installation part (62) are arranged at one end of the tensioning seat (63), a tensioning wheel (65) contacted with the synchronous belt (61) is arranged at the inner side of one end, far away from the tensioning columns (64), of the tensioning seat (63), and a tensioning spring (66) arranged between the tensioning installation part (62) and the tensioning seat (63) is sleeved at the outer side of the tensioning columns (64).
  8. 8. The double-end power tool apron capable of automatically compensating according to claim 5, wherein the outer side of one end of the tool bit output shaft (52) close to the tool mounting part (53) is provided with an angular contact ball bearing (8) contacted with the output sleeve (21), the outer side of the other end is provided with a punching outer ring needle bearing (81) contacted with the output sleeve (21), and a gland (82) is arranged between the main tool apron (2) and the tool mounting part (53).
  9. 9. The double-end power tool apron with the automatic size compensation according to claim 5, wherein the main tool apron (2) is of an L-shaped structure, one side of the main tool apron (2) close to the power tool apron (11) is provided with a tool apron mounting groove (23), the output sleeve (21) is transversely arranged in the tool apron mounting groove (23), and the main tool apron (2) and the tool apron connecting part (32) are connected into a whole.
  10. 10. The double-end power tool apron capable of being automatically compensated according to claim 9, wherein a plurality of tool apron mounting portions (12) are arranged on the outer side of the periphery of the power tool apron (11), driving mounting holes are formed in the inner side of the periphery of the tool apron mounting portions (12), the main tool apron (2) is arranged on one of the tool apron mounting portions (12), the tool apron mounting portions (12) are located in the tool apron mounting grooves (23), and the output sleeve (21) extends into the tool apron mounting portions (12) through the driving mounting holes.

Description

Double-end power blade holder that size can automatic compensation Technical Field The invention belongs to the technical field of power tool apron equipment, and particularly relates to a double-head power tool apron with automatic size compensation. Background In the field of numerical control turning and milling composite machining, a power tool apron is used as a core functional component of a power tool turret, and the performance of the power tool apron directly determines the machining precision, efficiency and automation level of parts. The traditional power tool apron is mostly designed in a single head mode, machining of a single tool can be achieved through one-time clamping, multiple procedures are needed to be completed through frequent tool changing, auxiliary time is prolonged, positioning error accumulation is introduced through multiple times of clamping, and form and position tolerance and size consistency of parts are seriously affected. In order to improve the efficiency, the double-end tool apron structure is adopted, but the relative positions of two tool bits cannot be flexibly adjusted according to the machining requirement, so that the synchronous machining requirement of parts with different sizes is difficult to adapt, the universality is poor, meanwhile, the mechanical transmission connection such as gears and connecting rods is adopted, the transmission clearance and the error accumulation exist, the double-tool movement is asynchronous, and the problems of tool collision, uneven machining allowance and the like are easy to occur. Disclosure of Invention The invention aims to solve the problems and provide a double-head power tool apron with automatic size compensation. The double-head power tool holder comprises a main tool holder arranged on the outer side of a power tool head of a power tool turret, wherein one end of the main tool holder in the length direction is movably provided with an auxiliary tool holder capable of axially and reciprocally moving in the width direction of the main tool holder through a direct-connection driving structure, the same side, far away from the power tool head, of the main tool holder and the auxiliary tool holder is provided with a tool bit holder for installing a tool body, the tool bit holder of the main tool holder is connected with a driving part of the power tool head, and the tool bit holder of the main tool holder is connected with the tool bit holder of the auxiliary tool holder through an elastic tensioning linkage structure. The double-end tool apron and movable auxiliary tool apron structure is adopted to realize synchronous machining of double tools, multiple procedures are completed through one-time clamping, machining efficiency is improved, the movable design of the auxiliary tool apron breaks through the limitation of the traditional fixed tool apron, the two tool heads can adjust relative positions according to machining requirements, and the elastic tensioning linkage structure ensures that the synchronism and tensioning force of the double tools in the moving process are constant, so that the double-end tool apron is a physical basis for realizing automatic size compensation. In the double-end power tool apron with the size capable of being automatically compensated, the direct-connection type driving structure comprises a tool apron connecting groove which is arranged on the auxiliary tool apron and is close to one end of the main tool apron along the length direction, a tool apron connecting part corresponding to the tool apron connecting groove is arranged on one end of the main tool apron, which is close to the auxiliary tool apron along the length direction, the tool apron connecting part axially moves in the tool apron connecting groove, the length of the tool apron connecting part is greater than that of the tool apron connecting groove, and the main tool apron is provided with a direct-connection type driving assembly which is connected with the auxiliary tool apron and enables the auxiliary tool apron to axially reciprocate along the width direction of the main tool apron along one end of the width direction. In the double-end power tool apron with the automatic compensation size, the two sides of the tool apron connecting part, which are close to one end of the main tool apron, are respectively provided with tool apron clamping grooves which are axially extended, the two sides of the upper end of the tool apron connecting groove are respectively provided with tool apron clamping convex blocks which are radially inwards arranged, and the tool apron clamping convex blocks are movably arranged in the tool apron clamping grooves. The tool apron connecting part is axially movable in the tool apron connecting groove and is matched with the tool apron clamping groove and the tool apron clamping convex block to form a precise sliding guide rail pair, so that the straightness of the reciprocating movement of the auxiliary