CN211709036U

CN211709036U - End face positioning single-support grinding tool fixture device

Info

Publication number: CN211709036U
Application number: CN202020304282.5U
Authority: CN
Inventors: 孔德海; 赵重喜; 梁兴
Original assignee: Anyang Laigong Technology Co ltd
Current assignee: Anyang Laigong Technology Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-10-20
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a terminal surface location singly supports and grinds processing frock clamp device, including top, rotation mechanism, clamp cover mechanism, centre frame mechanism, connector, top middle part surface is provided with rotation mechanism, top right-hand member point portion external conical surface with the centre bore structure internal conical surface of clamp cover mechanism left end closely cooperates, and clamp cover mechanism's clamp cover right-hand member inner wall installation is fixed with the casing, and the right-hand member of casing is supported by centre frame mechanism, and spindle grinder driver plate and clamp cover mechanism are connected to the connector. In the process of processing and rotating the shell, under the action force of an axial bolt compression spring of the shell, the conical surface at the right end of the center is always in close contact with the center hole of the positioning plate of the jacket structure, the center plays a role of axial and radial limiting support, the shell which is fixedly installed on the inner wall at the right end of the jacket structure rotates along with the jacket structure, the center frame mechanism installed on the outer diameter of the right end of the shell supports the shell, and the rotation precision of the shell in the radial direction in the process of grinding is prevented from being out of tolerance.

Description

End face positioning single-support grinding tool fixture device

Technical Field

The utility model belongs to the technical field of the grinding machine processing, a terminal surface location list supports grinds processing frock clamp device is related to.

Background

With the industrial application of numerical control machine tools in a large number, higher requirements are put forward on the machining precision of machine tools, and as a main functional component of the machine tools, namely a main shaft, the machining precision of the main shaft is further required to be improved, so that the machining precision of main shaft parts is required to be improved to ensure that the precision of the assembled main shaft meets the precision requirement. When the main shaft circular shell is ground and precisely processed, the prior grinding processing mode of axial end face positioning and radial double support is adopted, the end face positioning is positioned by the contact of a centre and a shell drive plate, under the condition of stress, the contact stress is uneven, the axial positioning effect is poor, the shell is subjected to the axial force and the radial effect in the actual processing, the radial double-support positioning does not play a due positioning effect, the two supports have different stress and different abrasion degrees, the centering is unstable when being stressed, the axial and radial positioning errors are caused, the processing precision of the shell is low, and the requirements of the processing precision and the assembly precision at present can not be met, meanwhile, when the drive plate of the main shaft of the grinding machine drives the shell tool to rotate, the flexible connection of a spring or a steel wire and the like is mostly adopted, when the stress is balanced in adjustment, the adjustment time is long, the stress of the shell is uneven when the shell rotates, and the machining precision is affected.

Disclosure of Invention

The fixture device comprises a grinding fixture, a grinding head and a grinding head.

The utility model discloses the technical scheme who adopts: the utility model discloses a terminal surface location singly supports and grinds processing frock clamp device, including top, rotation mechanism, clamp cover mechanism, casing, centre frame mechanism, connector, headstock driver plate, the headstock driver plate is installed at grinding machine headstock right-hand member, and the spindle driver plate center is hollow structure, the outer conical surface of top left end carries out axial and radial fixed with the cooperation of the interior conical surface of grinding machine headstock main shaft, and the outer conical surface of top right-hand member point portion closely cooperates with the centre bore structure interior conical surface of clamp cover mechanism left end, and this clamp cover mechanism's the installation of clamp cover right-hand member inner wall is fixed with the casing, and the right-hand member of this casing is supported by centre frame mechanism.

Rotation mechanism, including flat face bearing, packing ring, shell, spring, bolt, the shell sets up to hollow structure, the left end inner wall of this shell is provided with the stair structure that is less than the right-hand member inner wall, the packing ring is installed in this step right-hand member setting, flat face bearing is installed in the right-hand member setting of this packing ring, this flat face bearing's right-hand member is hugged closely with top right side section step left end face, guarantee that the shell carries out rotary motion around top axle center, circumference at the shell is provided with the axial step through-hole structure of equipartition, set up in this through-hole and install spring and bolt, the external screw thread and the backup pad circumference of this bolt right-.

The clamping sleeve mechanism comprises a positioning plate, a supporting plate and a clamping sleeve, wherein a center hole structure is arranged at the center of the left end face of the positioning plate, an inner conical surface of the center hole structure is tightly matched with an outer conical surface of the tip part of the right end of a tip, the circumference of the positioning plate is provided with a uniformly distributed axial step through hole structure, the step through hole of the positioning plate corresponds to an axial threaded through hole II arranged on the circumference of the supporting plate arranged at the right end, the right end of the positioning plate is provided with a step structure smaller than the left end, the radial outer surface of the step structure is tightly matched with the inner surface of the hollow structure of the supporting plate, the supporting plate is arranged into a hollow structure, the circumference of the supporting plate is provided with an axial threaded through hole I, a threaded through hole II, a through hole I and a through hole II, the threaded through hole II of, the radial dimension of backup pad through-hole I is greater than the external diameter size who presss from both sides the cover, and the right-hand member of backup pad is provided with the stair structure that is less than the left end, press from both sides the inside screw thread through-hole that sets up to hollow structure and axial and be provided with the equipartition of pressing from both sides the cover, this screw thread through-hole corresponds with II axial of through-hole of backup pad, is provided with the screw thread through-hole.

The center frame mechanism comprises a center frame seat, a center frame support and a locking screw, wherein the center frame seat is provided with a radial thread through hole in the circumference and is matched with the center frame support, and an axial thread through hole is formed in the right end of the middle section of the radial thread through hole.

The left end of the connecting body is of a threaded structure, and a threaded section at the left end of the connecting body penetrates through an outer ring through hole of the supporting plate to be connected, matched and fixed with an axial screw hole of the driving plate of the spindle box.

Furthermore, the connector adopts a nylon rope or a soft steel wire flexible connector.

Further, for convenient processing, locating plate, backup pad and cover integrated into one piece.

The utility model discloses following profitable effect has: 1. the structure layout is reasonable, the reliability is high, and the grinding shell precision is high; 2. during grinding, under the action of a bolt and a spring, the outer conical surface of the tip part at the front end of the tip is always attached to the inner conical surface of the central hole structure of the positioning plate, so that the limitation of axial positioning is realized, and the radial direction is supported and positioned; 3. the shell support adopts single support, so that repeated positioning is avoided, and simplicity and reliability are realized; 4. the connection of the main shaft box driving plate and the jacket mechanism has low requirement, simple installation, short adjustment time and high production efficiency.

Drawings

Fig. 1 is a schematic general structural diagram of an end face positioning single-support grinding tool fixture device.

FIG. 2 is a sectional view of the connection between the swing mechanism and the clamping mechanism of the end face positioning single-support grinding tooling fixture device.

Fig. 3 is a schematic structural view of a center frame mechanism of the end face positioning single-support grinding tooling fixture device.

FIG. 4 is a schematic structural view of a support plate of the end face positioning single-support grinding tooling fixture device.

Reference numbers in the figures: 1-grinding machine spindle box, 2-spindle box drive plate, 3-connector, 4-shell, 5-tip, 6-bolt, 7-positioning plate, 8-supporting plate, 801-through hole I, 802-through hole II, 803-threaded through hole I, 804-threaded through hole II, 9-jacket, 10-shell, 11-center frame support, 12-locking screw, 13-center frame seat, 14-gasket, 15-plane bearing, 16-spring and 17-screw.

Detailed Description

The end face positioning single-support grinding tool fixture device of the present invention will be described in detail with reference to fig. 1 to 4 by way of specific embodiments.

Fig. 1-4 show, the utility model discloses a terminal surface location singly supports and grinds processing frock clamp device, including top 5, rotation mechanism, press from both sides cover mechanism, casing 10, centre frame mechanism, connector 3, headstock driver plate 2 is installed at 1 right-hand member of grinding machine headstock, and 2 centers of headstock driver plate are hollow structure, the outer conical surface of the left end of top 5 carries out axial and radial fixed with the cooperation of the 1 main shaft internal conical surface of grinding machine headstock, and top 5 right-hand member point portion outer conical surface closely cooperates with the centre bore structure internal conical surface of the cover mechanism left end, and this press from both sides cover mechanism's the installation of pressing from both sides cover right-hand member inner wall is fixed with casing 10, and this casing 10's right.

The slewing mechanism comprises a plane bearing 15, a gasket 14, a shell 4, a spring 16 and a bolt 6, wherein the shell 4 is of a hollow structure, the inner wall of the left end of the shell 4 is provided with a step structure smaller than the inner wall of the right end, the right end of the step is provided with the gasket 14, the right end of the gasket 14 is provided with the plane bearing 15, the right end of the plane bearing 15 is clung to the left end surface of the step of the right section of the tip 5 to ensure that the shell 4 rotates around the axis of the tip 5, the circumference of the shell 4 is provided with a uniformly distributed axial step through hole structure, the spring 16 and the bolt 6 are arranged in the through hole, the external thread of the right end of the bolt 6 is in fit connection with the internal thread of the axial thread through hole II 804 arranged on the circumference of the supporting plate 8, the shell 4 is driven to move rightwards through the close fit of the axial, further, the outer conical surface at the right end of the centre 5 is always attached to the inner conical surface of the central hole structure arranged at the central part of the positioning plate 7.

The clamping sleeve mechanism comprises a positioning plate 7, a supporting plate 8 and a clamping sleeve 9, wherein a central hole structure is arranged at the center of the end face at the left end of the positioning plate 7, the inner conical surface of the central hole structure is tightly matched with the outer conical surface of the tip part at the right end of a tip 5, the circumference of the positioning plate 7 is provided with a uniformly distributed axial step through hole structure, the step through hole of the positioning plate 7 corresponds to and is consistent with an axial thread through hole II 804 arranged at the circumference of the supporting plate 8 arranged at the right end, the positioning plate is connected and fastened through a screw 17, the right end of the positioning plate 7 is provided with a step structure smaller than the left end, the radial outer surface of the step structure is tightly matched with the inner surface of a hollow structure of the supporting plate 8, the supporting plate 8 is arranged into a hollow structure, the circumference of the supporting plate 8 is provided, the screw thread through hole I803 of the support plate 8 corresponds to the step through hole of the shell 4, the screw thread through hole that the cover 9 of the right-hand member jacket set up corresponds with II 802 of the through hole of the support plate 8, the radial dimension of I801 of the through hole of the support plate 8 is greater than the external diameter dimension of the cover 9, the right-hand member of the support plate 8 is provided with the stair structure that is less than the left end, the screw thread through hole that the cover 9 is inside to set up to hollow structure and axial and is provided with the equipartition is pressed from both sides, this screw thread through hole corresponds unanimously by screw 17 with II 802 of the through hole of the support plate 8 and is fixed, is provided with a plurality of screw thread.

The center frame mechanism comprises a center frame seat 13, a center frame support 11 and a locking screw 12, wherein the center frame seat 13 is provided with a radial threaded through hole at the circumference and is matched with the center frame support 11, the right end of the middle section of the radial threaded through hole of the center frame seat 13 is provided with an axial threaded through hole and is matched with the locking screw 12, and the center frame support 11 is locked and fixed.

The left end of the connector 3 is of a threaded structure, the left end threaded section of the connector 3 penetrates through an outer ring through hole of the supporting plate 8 and is fixedly connected with an axial screw hole of the spindle box driving plate 2 in a matched mode, the connector 3 is driven to rotate through rotation of the spindle box driving plate 2, and the connected jacket structure further drives the inner fixed shell 10 to rotate.

Furthermore, the connector 3 is a nylon rope or a flexible connector made of flexible steel wires.

Further, for the convenience of processing, the positioning plate 7, the supporting plate 8 and the jacket 9 are integrally formed.

The utility model discloses a use or operating condition: through the drive arrangement in the grinding machine headstock 1, drive headstock driver plate 2 and rotate, further drive the jacket mechanism through connector 3 and rotate, drive the rotation mechanism through the bolt 6 fixed with jacket mechanism and rotate, under the effort of axial bolt 6 pressure spring 16 of shell 4, top 5 right-hand member external conical surface is in close contact with the locating plate 7 centre bore internal conical surface of jacket structure all the time, top 5 plays axial and radial spacing and support, improve the gyration precision of jacket structure, and simultaneously, the casing 10 of fixing at jacket mechanism right-hand member inner wall installation rotates along with jacket mechanism, the centre frame mechanism of installing at casing 10 right-hand member external diameter is fixed on the grinding machine guide rail surface, play the effect of supporting casing 10, prevent casing 10 radial direction's rotation precision in the grinding course from being out of tolerance.

The above-mentioned embodiment should not limit the utility model in any way, and all the technical solutions obtained by adopting equivalent replacement or equivalent conversion fall within the protection scope of the utility model.

Claims

1. The utility model provides an end face location singly supports and grinds processing frock clamp device, includes top (5), rotation mechanism, presss from both sides cover mechanism, casing (10), centre frame mechanism, connector (3), headstock driver plate (2), its characterized in that: the spindle box driver plate (2) is installed at the right end of a grinding machine spindle box (1), the center of the spindle box driver plate (2) is of a hollow structure, the left end outer conical surface of the tip (5) is matched with the inner conical surface of a spindle of the grinding machine spindle box (1) to be axially and radially fixed, the tip outer conical surface of the right end of the tip (5) is tightly matched with the inner conical surface of a center hole structure at the left end of a clamping sleeve mechanism, a shell (10) is installed and fixed on the inner wall of the right end of the clamping sleeve mechanism, and the right end of.

2. The end face positioning single support grinding tooling fixture device of claim 1, characterized in that: rotation mechanism, including flat face bearing (15), packing ring (14), shell (4), spring (16), bolt (6), shell (4) set up to hollow structure, the left end inner wall of this shell (4) is provided with the stair structure that is less than the right-hand member inner wall, packing ring (14) are installed in this step right-hand member setting, flat face bearing (15) are installed in the right-hand member setting of this packing ring (14), the right-hand member of this flat face bearing (15) is hugged closely with the right side section step left end face of top (5), guarantee that shell (4) carry out rotary motion around top (5) axle center, circumference at shell (4) is provided with the axial step through-hole structure of equipartition, spring (16) and bolt (6) are installed to the setting in this through-hole, the external screw thread and the backup pad circumference of this bolt (6) right-hand member set.

3. The end face positioning single support grinding tooling fixture device of claim 1, characterized in that: the jacket mechanism comprises a positioning plate (7), a supporting plate (8) and a jacket (9), wherein a central hole structure is arranged at the center of the left end face of the positioning plate (7), an inner conical surface of the central hole structure is tightly matched with an outer conical surface of the tip part of the right end of a tip (5), the circumference of the positioning plate (7) is provided with a step through hole structure uniformly distributed in the axial direction, the step through hole of the positioning plate (7) corresponds to and is consistent with an axial threaded through hole II (804) circumferentially arranged on the supporting plate (8) arranged at the right end, the positioning plate (7) is connected and fastened through a screw (17), the right end of the positioning plate (7) is provided with a step structure smaller than the left end, the radial outer surface of the step structure is tightly matched with the inner surface of a hollow structure of the supporting plate (8), the supporting plate (8) is arranged into, Through-hole I (801), through-hole II (802), backup pad (8) screw thread through-hole II (804) correspond unanimously with locating plate (7) axial step through-hole, the step through-hole of backup pad (8) screw thread through-hole I (803) and shell (4) corresponds, backup pad (8) through-hole II (802) correspond with the screw thread through-hole that right-hand member jacket (9) set up, the radial dimension of backup pad (8) through-hole I (801) is greater than the external diameter size who presss from both sides cover (9), the right-hand member of backup pad (8) is provided with the stair structure that is less than the left end, press from both sides the inside screw thread through-hole that sets up to hollow structure and axial and be provided with the equipartition of cover (9), this screw thread through-hole corresponds with through-hole II (802.

4. The end face positioning single support grinding tooling fixture device of claim 1, characterized in that: the center frame mechanism comprises a center frame seat (13), a center frame support (11) and a locking screw (12), wherein the center frame seat (13) is provided with a radial threaded through hole at the circumference and is matched with the center frame support (11), the right end of the middle section of the radial threaded through hole of the center frame seat (13) is provided with an axial threaded through hole and is matched with the axial threaded through hole to install the locking screw (12), and the center frame support (11) is locked and fixed.

5. The end face positioning single support grinding tooling fixture device of claim 1, characterized in that: the left end of the connector (3) is of a threaded structure, and a threaded section at the left end of the connector (3) penetrates through an outer ring through hole of the supporting plate (8) to be connected, matched and fixed with an axial screw hole of the spindle box driving plate (2).