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CN-224223308-U - Vertical machining center location frock clamp

CN224223308UCN 224223308 UCN224223308 UCN 224223308UCN-224223308-U

Abstract

The utility model relates to the field of machining center clamps and discloses a vertical machining center positioning fixture which comprises a bottom plate, wherein a movable groove is formed in the upper surface of the bottom plate, a clamping mechanism is arranged on the upper surface of the bottom plate, the clamping mechanism comprises a fixing assembly, the fixing assembly comprises a fixing block, the fixing block is slidably connected to the upper surface of the bottom plate, a push plate is slidably connected to the inner wall of the fixing block, one end of the push plate is fixedly connected with a friction pad, the other end of the push plate is fixedly connected with a connecting plate, and the connecting plate is elastically connected with the fixing block through a spring. According to the utility model, the fixing assembly is arranged, so that when the hard and brittle workpieces such as aluminum-based silicon carbide are clamped, the stable fixing of the workpieces can be finished by utilizing the stable effect of the friction pad and the buffering effect of the spring without too large extrusion force of the clamped fixing block, and the cracks of the workpieces caused by rigid clamping can be avoided, so that the practicability of the device is further improved.

Inventors

  • ZHANG QINGLIANG

Assignees

  • 南京春睿精密机械有限公司

Dates

Publication Date
20260512
Application Date
20250514

Claims (8)

  1. 1. The vertical machining center positioning fixture comprises a bottom plate (1) and is characterized in that a movable groove (4) is formed in the upper surface of the bottom plate (1), a clamping mechanism is arranged on the upper surface of the bottom plate (1), and the clamping mechanism comprises a fixing assembly (3); The fixing assembly (3) comprises a fixing block (31), the fixing block (31) is slidably connected to the upper surface of the bottom plate (1), a pushing plate (34) is slidably connected to the inner wall of the fixing block (31), a friction pad (35) is fixedly connected to one end of the pushing plate (34), a connecting plate (33) is fixedly connected to the other end of the pushing plate (34), and the connecting plate (33) is elastically connected with the fixing block (31) through a spring (32).
  2. 2. The vertical machining center positioning fixture according to claim 1, wherein the clamping mechanism further comprises an auxiliary assembly (2), the auxiliary assembly (2) comprises a cylinder body (21), the cylinder body (21) is fixedly connected to the outer wall of a fixed block (31), a push rod (23) is slidably connected to the inner wall of the cylinder body (21), a sealing plate (22) is fixedly connected to one end of the push rod (23), an installation block (24) is fixedly connected to the other end of the push rod (23), an extrusion block (26) is slidably connected to the inner wall of the installation block (24), a limiting block (28) is fixedly connected to the outer wall of the extrusion block (26), elastic pads (27) are fixedly connected to two ends of the extrusion block (26), and a magnetic attraction block (25) is fixedly connected to the inner wall of the extrusion block (26) and the installation block (24).
  3. 3. The vertical machining center positioning fixture according to claim 1, wherein a driving assembly (5) is arranged on the lower surface of the bottom plate (1), the driving assembly (5) comprises a mounting rod (52), the mounting rod (52) is fixedly connected to the lower surface of the bottom plate (1), a motor (51) is mounted on the outer wall of the mounting rod (52), a screw rod (53) is fixedly connected to an output shaft of the motor (51), a connecting block (54) is arranged on the outer wall of the screw rod (53), and a chip blocking block (55) is slidably connected to the inner wall of the connecting block (54).
  4. 4. The positioning fixture for the vertical machining center according to claim 1, wherein the connecting plate (33) is slidably connected to the inner wall of the fixing block (31), and the fixing block (31) is fixedly connected to the top of the connecting block (54).
  5. 5. The vertical machining center positioning fixture as set forth in claim 2, wherein the auxiliary assemblies (2) are provided with a plurality of groups, the groups of the auxiliary assemblies (2) are symmetrically arranged by taking the central line of the fixed block (31) as a symmetrical axis, the top of the cylinder body (21) is provided with an air pipe (6), the air outlet ends of the air pipe (6) are arranged in a bifurcated shape and are respectively connected with the two groups of the cylinder bodies (21), the air inlet ends of the air pipe (6) are connected with the air outlet ends of the air pump, and the sealing plate (22) is slidably connected with the inner wall of the cylinder body (21).
  6. 6. The vertical machining center positioning fixture as claimed in claim 3, wherein the screw rod (53) is rotatably connected to the inner wall of the mounting rod (52), the connecting block (54) is slidably connected to the inner wall of the mounting rod (52), and the connecting block (54) is slidably connected to the inner wall of the moving groove (4).
  7. 7. The positioning fixture for the vertical machining center according to claim 3, wherein the chip blocking block (55) is fixedly connected to the outer wall of the mounting rod (52), and the upper surface of the chip blocking block (55) is inclined.
  8. 8. A positioning fixture for a vertical machining center according to claim 2, wherein the shape of the pressing block (26) is semicircular, and the shape of the elastic pad (27) is semicircular.

Description

Vertical machining center location frock clamp Technical Field The utility model relates to the field of machining center clamps, in particular to a vertical machining center positioning fixture. Background The vertical machining center is a machining center with a spindle axis perpendicular to the workbench, is mainly suitable for machining complex parts such as plates, discs, dies and small shells, and can finish the working procedures such as milling, boring, drilling, tapping, thread cutting and the like. In the prior art, when a work piece with hard and brittle texture such as aluminum-based silicon carbide is processed by a work fixture of a vertical machining center, the work piece is often damaged due to the fact that cracks are generated by rigid clamping, and if the clamping is not tight, the work piece can shake, so that the problem is solved by providing the work fixture for positioning the vertical machining center. Disclosure of utility model In order to make up for the defects, the utility model provides a positioning fixture for a vertical machining center, which aims to solve the problem that the fixture for the vertical machining center is damaged due to cracks generated by rigid clamping when the fixture for the vertical machining center is used for machining a hard and brittle workpiece such as aluminum-based silicon carbide in the prior art. In order to achieve the purpose, the vertical machining center positioning fixture comprises a bottom plate, wherein a moving groove is formed in the upper surface of the bottom plate, a clamping mechanism is arranged on the upper surface of the bottom plate, the clamping mechanism comprises a fixing assembly, the fixing assembly comprises a fixing block, the fixing block is connected to the upper surface of the bottom plate in a sliding mode, a pushing plate is connected to the inner wall of the fixing block in a sliding mode, a friction pad is fixedly connected to one end of the pushing plate, a connecting plate is fixedly connected to the other end of the pushing plate, and the connecting plate is elastically connected with the fixing block through a spring. As a further description of the above technical solution: The clamping mechanism further comprises an auxiliary assembly, the auxiliary assembly comprises a cylinder body, the cylinder body is fixedly connected to the outer wall of the fixed block, the push rod is connected to the inner wall of the cylinder body in a sliding mode, the sealing plate is fixedly connected to one end of the push rod, the installation block is fixedly connected to the other end of the push rod, the extrusion block is fixedly connected to the inner wall of the installation block in a sliding mode, the limiting block is fixedly connected to the outer wall of the extrusion block, the elastic pads are fixedly connected to the two ends of the extrusion block respectively, and the magnetic attraction block is fixedly connected to the inner wall of the extrusion block and the inner wall of the installation block respectively. As a further description of the above technical solution: The lower surface of bottom plate is provided with drive assembly, drive assembly includes the installation pole, installation pole fixed connection is at the lower surface of bottom plate, the motor is installed to the outer wall of installation pole, the output shaft fixedly connected with lead screw of motor, the outer wall of lead screw is provided with the connecting block, the inner wall sliding connection of connecting block has the fender bits piece. As a further description of the above technical solution: The connecting plate sliding connection is at the inner wall of fixed block, fixed block fixed connection is at the top of connecting block. As a further description of the above technical solution: The auxiliary assembly is provided with the multiunit, and the multiunit auxiliary assembly uses the central line of fixed block to set up as symmetry axisymmetry, the top of cylinder body is provided with the trachea, tracheal end of giving vent to anger sets up to bifurcation form and is connected with two sets of cylinder bodies respectively, just tracheal inlet end is connected with the end of giving vent to anger of air pump, closing plate sliding connection is at the inner wall of cylinder body. As a further description of the above technical solution: The lead screw rotates the inner wall of connecting at the installation pole, connecting block sliding connection is at the inner wall of removal groove. As a further description of the above technical solution: the chip blocking block is fixedly connected to the outer wall of the mounting rod, and the upper surface of the chip blocking block is inclined. As a further description of the above technical solution: the shape of the extrusion block is arranged in a semicircular shape, and the shape of the elastic pad is arranged in a semicircular shape. The utility model has the followi