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CN-224223419-U - Tool bit bottom surface grinding machine

CN224223419UCN 224223419 UCN224223419 UCN 224223419UCN-224223419-U

Abstract

The utility model discloses a tool bit bottom surface grinding machine, which belongs to the technical field of tool processing and comprises a bearing base, wherein a fixed motor is fixedly arranged on the inner wall of the bearing base, a cross is fixedly arranged at the end part of an output shaft of the fixed motor, hinge arms are hinged to four end parts of the cross, a lower sliding plate is hinged to one end of the hinge arm far away from the cross, the cross is driven to rotate by the fixed motor through the arrangement of the fixed motor, the cross, the hinge arms, the lower sliding plate and the upper sliding plate, the hinge action of the four hinge arms is utilized to drive the four lower sliding plates to synchronously move inwards, the upper sliding plate is driven to drive the top clamping plate to synchronously move inwards by an adjusting shell and an adjusting plate, the four-way fixed clamping of a tool is realized, the stability of the fixed effect is improved, the phenomenon of deviation and dislocation of the tool, which is easy to occur during opposite-side bidirectional fixing, and the accuracy of grinding operation is ensured.

Inventors

  • ZHANG LI

Assignees

  • 弗恩精密工具(武汉)有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (7)

  1. 1. The tool bit bottom surface grinding machine is characterized by comprising a bearing base (1), a fixed motor (2) is fixedly arranged on the inner wall of the bearing base (1), a cross (3) is fixedly arranged at the end part of an output shaft of the fixed motor (2), hinge arms (4) are hinged to four end parts of the cross (3), a lower sliding plate (5) is hinged to one end of the hinge arms (4) far away from the cross (3), the lower sliding plate (5) penetrates through the bearing base (1) in a sliding manner and fixedly provided with an adjusting shell (6), an adjusting plate (7) is arranged in the adjusting shell (6) in a sliding manner, an upper sliding plate (8) is fixedly arranged at the end part of the adjusting plate (7), a top tightening plate (9) is fixedly arranged at the end part of the upper sliding plate (8), a bracket (10) is fixedly arranged on the surface of the bearing base (1), a cylinder (11) is fixedly arranged on the bracket (10), a grinding motor (12) is fixedly arranged at one end part of the cylinder (11), an output shaft motor (12) penetrates through the bearing base (1) in a sliding manner and is fixedly provided with an adjusting shell (6), a dust suction box (14) is fixedly arranged on the end part of the adjusting plate (14), a dust collecting box (14) is fixedly arranged on the suction box (14), the air inlet and the air outlet of the exhaust fan (15) are respectively communicated with the dust extraction cover (16) and the collecting box (17), an opening is formed in the side face of the collecting box (17), and a filter screen (18) is detachably arranged at the position of the opening.
  2. 2. The tool bit bottom surface grinding machine according to claim 1, wherein the inner wall of the bearing base (1) is fixedly provided with a supporting ring (19), an annular groove is formed in the lower surface of the supporting ring (19), a plurality of arc-shaped sliding blocks (20) are slidably arranged in the annular groove, and the arc-shaped sliding blocks (20) are fixedly arranged on the upper surface of the cross (3).
  3. 3. The tool bit bottom surface grinding machine according to claim 1, wherein the outer surface of the upper sliding plate (8) is slidably provided with a sliding sleeve (21), a plurality of guide rods (22) are fixedly arranged on the lower surface of the sliding sleeve (21), the guide rods (22) are fixedly arranged on the outer surface of the sliding sleeve (21), the guide sleeve (23) is arranged on the outer surface of the bearing base (1), and the guide sleeve (23) is fixedly arranged on the outer surface of the bearing base.
  4. 4. The tool bit bottom surface grinding machine according to claim 1, wherein an adjusting rod (24) is inserted on the adjusting shell (6) in a sliding mode, a disc (25) is fixedly arranged at one end of the adjusting rod (24), a plurality of adjusting holes are formed in the adjusting plate (7), and the other end of the adjusting rod (24) is matched with the adjusting holes.
  5. 5. The grinding machine for the bottom surface of a tool bit according to claim 4, wherein a spring (26) is sleeved outside the adjusting rod (24), and two ends of the spring (26) are fixedly connected with opposite surfaces of the adjusting shell (6) and the disc (25) respectively.
  6. 6. The tool bit bottom surface grinding machine according to claim 1, wherein assembling plates (27) are fixedly arranged at four corner positions of the filter screen (18), assembling bolts (28) are arranged on the assembling plates (27) in a threaded mode, and assembling thread grooves into which the assembling bolts (28) are screwed are formed in the side face of the collecting box (17).
  7. 7. The machine for grinding the bottom surface of a tool bit according to claim 1, wherein the side surface of the tightening plate (9) is stuck with anti-slip toothed plates (29), and four anti-slip toothed plates (29) are oppositely arranged.

Description

Tool bit bottom surface grinding machine Technical Field The utility model belongs to the technical field of cutter machining, and particularly relates to a cutter head bottom surface grinding machine. Background Machine tools refer to manufacturing machines and machinery. The lathe is a machine tool for turning a rotating workpiece by mainly using various tools, and therefore, the degree of use of the tools is a critical factor for the quality of workpiece machining. The grinding machine is used for grinding the ground of the tool bit in the process of machining the tool bit, the existing grinding machine is fixed on the opposite sides in the process of using the tool bit, and the existing grinding machine is lack of fixation in the direction perpendicular to the fixation on the opposite sides, so that the phenomenon of deviation and dislocation of the tool bit in the process of grinding is easy to occur, and the accuracy of grinding operation is affected. Disclosure of utility model The utility model aims to provide a tool bit bottom surface grinding machine, which aims to solve the problems that the prior grinding machine provided in the prior art is fixed on opposite sides in clamping and fixing a tool in the use process, and is lack of fixing in the direction perpendicular to the opposite sides, so that the phenomenon of deviation and dislocation of the tool in the grinding process is easy to occur, and the accuracy of grinding operation is influenced. In order to achieve the purpose, the tool bit bottom surface grinding machine comprises a bearing base, wherein a fixed motor is fixedly arranged on the inner wall of the bearing base, a cross is fixedly arranged at the end part of an output shaft of the fixed motor, hinged arms are hinged to the end parts of the cross, a lower sliding plate is hinged to one end, far away from the cross, of each hinged arm, the lower sliding plate penetrates through the bearing base in a sliding mode and is fixedly provided with an adjusting shell in a sliding mode, the adjusting shell is internally provided with an adjusting plate, the end part of the adjusting plate is fixedly provided with an upper sliding plate, the end part of the upper sliding plate is fixedly provided with a jacking plate, the surface of the bearing base is fixedly provided with a support, an air cylinder is fixedly arranged on the support, a grinding motor is fixedly arranged at the end part of a piston rod of the air cylinder, a grinding wheel is fixedly arranged at the end part of the output shaft of the grinding motor, a mounting plate is fixedly provided with a mounting plate, an exhaust fan, a dust suction hood and a collection box are fixedly arranged on the surface of the support, an air inlet and an air outlet of the exhaust fan are respectively communicated with the dust hood and the collection box, and the collection box are provided with side openings, and the side openings of the collection box are provided with filter screens and the filter screens can be detached. By adopting the scheme, through setting up fixed motor, the cross, articulated arm, lower sliding plate and last sliding plate cooperation tight board in top use, utilize fixed motor to order about the cross rotation, utilize the articulated effect of four articulated arms to order about four lower sliding plates synchronous inward movements, and then order about the sliding plate through adjusting shell and regulating plate and drive tight board motion in top, four tight board synchronous inward movements in top, realize the fixed chucking of four directions of cutter, promote fixed effect stability, the cutter off tracking dislocation phenomenon that appears easily when avoiding contralateral bidirectional fixation, guarantee grinding operation precision, through setting up adjusting shell and regulating plate cooperation use, the regulating plate can slide from top to bottom, realize the high position control of tight board in top, can be applicable to the fixed chucking use of cutter of different specification heights, through the air exhauster and the dust hood cooperation collecting box that set up and filter screen use, can concentrate the collection to the piece that produces in the grinding process and handle, avoid the piece to scatter to influence operational environment. In the above scheme, it should be noted that the fixed motor, the grinding motor and the exhaust fan are all electrically connected with an external power supply. As a preferred implementation mode, the inner wall of the bearing base is fixedly provided with a supporting ring, the lower surface of the supporting ring is provided with an annular groove, a plurality of arc-shaped sliding blocks are slidably arranged in the annular groove, and the arc-shaped sliding blocks are fixedly arranged on the upper surface of the cross. By adopting the scheme, the support ring is matched with the arc-shaped sliding block to be used, so that the cross can b