CN-121972996-A - Clamping device for cutter machining

CN121972996ACN 121972996 ACN121972996 ACN 121972996ACN-121972996-A

Abstract

The invention discloses a clamping device for cutter machining, which relates to the technical field of cutter machining and comprises a bearing main body, a pressing component, a three-jaw clamping component, a material returning mechanism and a clamping power component, wherein the material returning mechanism comprises a material returning rod frame, a guide frame, a sliding rod piece, a roller material returning component, a driving piece and a rotary braking part, when the rotary pushing part rotates positively, the rotary pushing part drives the three-jaw clamping component to move radially towards the center of a panel part, the rotary braking part moves downwards, when the rotary pushing part overturns, the three-jaw clamping component moves radially towards the edge of the panel part, the rotary braking part moves upwards, and when the rotary braking part is connected with the top of the roller material returning component and the roller material returning component moves along the sliding rod piece, the roller material returning component can rotate. The clamping device has a simple structure, good firmness of clamping the cutter workpiece, maintains the same axle center with the bearing main body, automatically returns materials after the cutter is machined, is convenient to operate, and has strong practicability.

Inventors

LIAO WENSHENG
CAO LIANHUA
Cao Guanchang

Assignees

江西赛宇精密机械有限公司

Dates

Publication Date: 20260505
Application Date: 20231207

Claims (8)

1. The clamping device for the cutter machining comprises a bearing main body, a pressing assembly, a clamping base used for being fixed with a machining machine tool and two groups of three-jaw clamping components respectively arranged on two end surfaces of the bearing main body, wherein the bearing main body comprises a cylinder part and panel parts respectively arranged on two ends of the cylinder part; the clamping power assembly is arranged on the clamping base and is used for driving the rotary pushing part to rotate around the barrel part; the material returning mechanism comprises a material returning rod frame, a guide frame, a sliding rod piece, a rotary roller material returning assembly, a driving piece and a rotary braking part; one end of the material returning rod frame is fixedly connected with the edge of one panel part, and the length direction of the material returning rod frame is consistent with the axial direction of the barrel part; the two sliding rod pieces are respectively arranged at two sides of the material returning rod frame, the end part of the sliding rod piece close to the panel part is inclined to one side far away from the material returning rod frame, and each sliding rod piece is provided with a bearing sliding seat capable of sliding on the sliding rod piece; the two rotating roller material returning assemblies are respectively arranged on the two bearing sliding seats in a rotating way through spring bearings, and the bottoms of the rotating roller material returning assemblies can be contacted with the side wall of the cutter workpiece; the driving piece is arranged on the material returning rod frame and is connected with the two rotary roller material returning assemblies, and the driving piece can drive the two rotary roller material returning assemblies to synchronously move along the corresponding sliding rod pieces; The guide frame is arranged on the side wall of the panel part, the rotary braking part is arranged on the material returning rod frame, the rotary braking part is in sliding connection with the guide frame, and one end of the rotary braking part extends to the rotary pushing part; When the rotary pushing part rotates positively, the rotary pushing part drives the three-jaw clamping part to move radially towards the center of the panel part, and the rotary braking part moves downwards and can be connected with the tops of the two rotary roller material returning assemblies; When the rotary pushing part turns over, the three-jaw clamping part moves radially towards the edge of the panel part, and the rotary braking part moves upwards and is dislocated with the rotary braking part; When the rotary braking part is connected with the top of the rotary roller material returning assembly and the rotary roller material returning assembly moves along the sliding rod piece, the rotary roller material returning assembly can rotate automatically.
2. The clamping device for tooling of claim 1 wherein the three jaw clamping member comprises a compression assembly and an intermediate pusher; The three compression assemblies are arranged on the end face of the panel part in a circumferential distribution mode, and the compression assemblies can radially slide on the end face of the panel part; The middle pushing pieces are arranged on the side wall of the panel part in a circumferential distribution mode, the middle part of each middle pushing piece is rotationally connected with the side wall of the panel part through a spring bearing, one end of each middle pushing piece is rotationally connected with the compression assembly, and the other end of each middle pushing piece is connected with the rotary pushing part; when the rotary pushing part rotates positively, the rotary pushing part can drive the three middle pushing parts to synchronously rotate around the joint with the panel part, and the middle pushing parts push the corresponding compression assemblies to move towards the center of the panel part on the end surface of the panel part; when the rotary pushing part reverses, the middle pushing part rotates and drives the corresponding pressing component to be far away from the center of the panel part.
3. The clamping device for machining a tool according to claim 2, wherein the intermediate pushing member includes a rotating lever, a rotating seat, a hinge seat, and a clamping extension roller; The rotating seat is fixed on the side wall of the panel part, the middle part of the rotating rod is rotationally connected with the rotating seat, and a spring is arranged between the rotating rod and the rotating seat; one end of the rotary rod is rotationally connected with the hinging seat, and the hinging seat is axially and slidably connected with the end part of the pressing component, which is far away from the center of the panel part; The clamping extension roller rotates to be arranged at the other end of the rotary rod, the clamping extension roller extends to the rotary pushing part, and the rotary pushing part rotating positively can radially jack up the clamping extension roller.
4. The clamping device for tooling according to claim 3, wherein said hold down assembly comprises a clamp rail, a clamp abutment and a connecting rail; the clamping guide rail is fixed on the end face of the panel part and is provided with a sliding seat capable of sliding on the clamping guide rail, the clamping pressing part is fixed on the sliding seat, the end part of the clamping pressing part, which faces the center of the panel part, is provided with an arc-shaped contact part, the center of the clamping pressing part, which is far away from the panel part, is provided with a connecting cross rod perpendicular to the end face of the panel part, and the connecting cross rod is connected with one end part of the middle pushing piece.
5. The clamping device for machining a cutter according to claim 2, wherein the rotary braking part is a double-sided rack, and the rotary roller material returning assembly comprises a material returning press roller, a telescopic connecting rod and a material returning vertical rod; the material returning vertical rod is rotatably arranged on the bearing sliding seat, a spring is arranged between the material returning vertical rod and the bearing sliding seat, and a material returning gear capable of being meshed with the rotary braking part is arranged at the top of the material returning vertical rod; one end of the telescopic connecting rod is rotationally connected with the top of the material returning press roller, the other end of the telescopic connecting rod is connected with the driving piece, and the material returning press roller is arranged at the bottom end part of the material returning vertical rod and is provided with an arc-shaped annular groove on the outer wall of the material returning press roller.
6. The clamping device for machining a tool according to claim 5, wherein a movable slider is provided in the guide frame and slidably connected to the movable slider, an end wall of the movable slider is connected to a top wall of the guide frame by a compression spring, a material returning extension roller is provided on a side portion of the movable slider facing the cylinder portion, the rotation stopper is fixedly connected to the movable slider, and the reversed rotation pushing portion can push the material returning extension roller to move toward the top of the guide frame.
7. The clamping device for tool machining according to claim 6, wherein the driving member includes an adjusting screw and an adjusting motor; the adjusting screw rod is rotatably arranged on the material returning rod frame, and the axis of the adjusting screw rod is parallel to the axis of the barrel body part; The material returning rack is also provided with a spiral seat capable of sliding on the material returning rack, the spiral seat is connected with the two telescopic connecting rods, and the adjusting screw rod spirally penetrates through the spiral seat.
8. The clamping device for machining a tool according to claim 7, wherein the rotary pushing portion includes a rotary ring, a middle fixed ring, a reverse top moving block, and two sets of top block portions; Two groups of jacking block parts are respectively arranged at the positions, close to the end parts, of the side wall of the middle fixing ring, each group of jacking block parts comprises three forward rotation jacking moving blocks, and the three forward rotation jacking moving blocks respectively correspond to the three middle pushing pieces; One end of the middle pushing piece extends to the inclined plane of the forward rotation jacking block, the reverse rotation jacking block is arranged on the outer wall of the rotating ring, the reverse rotation jacking block corresponds to the material returning mechanism, and the material returning extension roller extends to the inclined plane of the reverse rotation jacking block; The middle fixing ring is sleeved outside the rotating ring, an outer rack is arranged at the arc bottom of the middle fixing ring, the clamping power assembly comprises a clamping motor and a clamping gear, the clamping motor is arranged on the clamping base through a fixing plate, the clamping gear is arranged at the output end of the clamping motor, and the clamping gear is meshed with the outer rack.

Description

Clamping device for cutter machining Technical Field The invention relates to the technical field of cutter machining, in particular to a clamping device for cutter machining. Background A cutter is a tool used for cutting machining in machine manufacturing, also called a cutting tool. Most knives are mechanical but also hand-held. Since tools used in machine construction are used for cutting metal materials, tools for cutting wood are known as woodworking tools, and also a particularly applicable class of tools for geological exploration, well drilling and mine drilling, known as mine tools. Most of machining tools are in cylindrical rod-shaped structures, so that workpieces adopted by tool machining are cylindrical rods, the tools need to be clamped and fixed in the machining process, a conventional tool clamping device is a three-jaw clamping disc, however, the three-jaw clamping disc only clamps the tail parts of the tool workpieces, the tool workpieces are easy to incline and influence machining precision, the tail parts of the tool workpieces extend into the three-jaw clamping disc too long, manual material returning is needed, and the operation is relatively complicated. Disclosure of Invention The invention aims to provide a clamping device for cutter machining, which aims to solve the problems in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: The clamping device for cutter machining comprises a bearing main body, a pressing component, a clamping base used for being fixed with a machining machine tool, two groups of three-jaw clamping components respectively arranged on two end faces of the bearing main body, wherein the bearing main body comprises a cylinder part and panel parts respectively arranged on two ends of the cylinder part, the tail part of a cutter workpiece can penetrate through the cylinder part, the two groups of three-jaw clamping components are respectively and correspondingly arranged on the end faces of the two panel parts, the clamping device further comprises a material returning mechanism and a clamping power component, the clamping power component is arranged on the clamping base and is used for driving a rotary pushing part to rotate around the cylinder part, the material returning mechanism comprises a material returning rod frame, a guide frame, a sliding rod piece, a roller returning component, a driving piece and a rotary braking part, one end of the material returning rod frame is fixedly connected with one of the edges of the panel parts, the length direction of the sliding rod frame is consistent with the axis direction of the cylinder part, the two sliding rod pieces are respectively arranged on two sides of the material returning rod frame, the ends of the rod piece close to the panel parts are respectively inclined towards one side of the material returning rod frame, each sliding rod piece is provided with a material returning part, the two rolling parts can be correspondingly arranged on the side of the sliding seat, the two rolling parts can be contacted with the two rolling parts on the side walls of the two rolling parts through the two rolling parts, which are correspondingly arranged on the two rolling parts, and the two rolling parts can be contacted with the side parts, and can be respectively arranged on the side walls of the two rolling parts, and the rolling parts and the corresponding to the rolling parts, and the driving part and the material returning part are arranged on the side parts and the driving part, the three-jaw clamping component moves downwards and can be connected with the tops of the two rotating roller material returning components, when the rotating pushing part overturns, the three-jaw clamping component moves upwards and is misplaced with the rotating braking part, and when the rotating braking part is connected with the tops of the rotating roller material returning components and the rotating roller material returning components move along the sliding rod piece, the rotating roller material returning components can rotate. Based on the technical scheme, the invention also provides the following optional technical schemes: In an alternative scheme, the three-jaw clamping component comprises three pressing components and middle pushing pieces, wherein the three pressing components are arranged on the end face of the panel part in a circumferential distribution mode, the pressing components can slide radially on the end face of the panel part, the three middle pushing pieces are arranged on the side wall of the panel part in a circumferential distribution mode, the middle parts of the middle pushing pieces are rotationally connected with the side wall of the panel part through spring bearings, one ends of the middle pushing pieces are rotationally connected with the pressing components, the other ends of the middle pushing pieces are connected with rotating pushi