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CN-122008090-A - Sand blasting device for machining mechanical workpiece

CN122008090ACN 122008090 ACN122008090 ACN 122008090ACN-122008090-A

Abstract

The invention relates to the technical field of sand blasting equipment, in particular to a sand blasting device for machining a mechanical workpiece, which comprises a sand blasting chamber, wherein a sand blasting main body is arranged on the outer side of the sand blasting chamber, a spray head is communicated with the sand blasting main body, a rotating disc is arranged in the sand blasting chamber in a rotating way through a rotating mechanism, a plurality of servo motors are arranged on the bottom side of the rotating disc in an annular array, an output shaft of each servo motor is vertically upwards arranged, a rotating rod is connected in a transmission way, a supporting disc is rotationally arranged at the top end of the rotating rod, a driving disc is fixedly sleeved on the outer side of the rotating rod, a movable groove is formed in the supporting disc in an annular array in a penetrating way, a movable block is slidably connected in each movable groove, a clamping piece is connected to the top of the movable block, a driving assembly for driving the movable block to slide is arranged on the driving disc, and a limiting mechanism is arranged between a mounting plate and the supporting disc to fix the inside of a tubular workpiece, so that sand blasting treatment cannot be completed on the outer surface of the tubular workpiece at one time due to the fact that the clamping fixation of the tubular workpiece is not completed.

Inventors

  • CHEN GANG
  • LIU ZHANG
  • HE GUANGXIONG

Assignees

  • 成都夕月科技服务有限公司
  • 四川海恩特机械科技有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (9)

  1. 1. The sand blasting device for machining the mechanical workpiece comprises a sand blasting chamber (1), wherein a sand blasting main body is arranged on the outer side of the sand blasting chamber (1), a spray head (2) arranged in the sand blasting chamber (1) is communicated through a conveying pipe, the sand blasting device is characterized in that a rotating disc (3) which is opposite to the spray head (2) is arranged in the sand blasting chamber (1) through rotation of a rotating mechanism, a plurality of servo motors (4) are arranged on the bottom side of the rotating disc (3) in an annular array, each output shaft of each servo motor (4) is vertically upwards arranged and is in transmission connection with a rotating rod (5) rotating around the vertical axis of the rotating rod, a supporting disc (6) which is horizontally arranged is rotationally arranged on the top end of the rotating rod (5), a driving disc (7) is fixedly sleeved on the outer side of the rotating rod (5), a movable groove (8) which is arranged on the supporting disc (6) in a penetrating mode and one end of the annular array faces towards the center of the circle of the supporting disc (6), a movable block (9) is connected with the movable groove (8), and a clamping assembly (9) is arranged on the top of the supporting disc (6), and a sliding assembly (3) is arranged between the driving disc and the driving disc.
  2. 2. The sand blasting device for machining mechanical workpieces according to claim 1, wherein the driving assembly comprises a driving rod (10), driving grooves (11) are formed in the driving disc (7) in a penetrating mode in an annular array along the circumferential direction of the driving disc, the number of the driving grooves (11) corresponds to the number of the movable grooves (8) one by one, the length central axis of each driving groove (11) is in space tangential inclined arrangement with the outer side wall of the rotating rod (5), the top end of the driving rod (10) is fixedly connected with the bottom side of the movable block (9), and the bottom end of the driving rod vertically penetrates through the driving groove (11) vertically corresponding to the lower portion of the movable groove (8).
  3. 3. The sand blasting device for machining mechanical workpieces according to claim 2, wherein rotary bolts (12) are arranged on the bottom side of the supporting plate (6) in an annular array along the circumferential direction of the supporting plate, the number of the rotary bolts (12) corresponds to the number of the movable grooves (8) one by one, supporting bars (13) are arranged at the bottom ends of the rotary bolts (12) in a rotary mode, one ends of the supporting bars (13) are provided with bar grooves (14), a driving rod (10) close to one side of the rotary bolts (12) is movably arranged through the bar grooves (14), and the other ends of the supporting bars (13) horizontally extend away from the bar grooves (14).
  4. 4. The sand blasting device for machining the mechanical workpiece is characterized in that the limiting mechanism comprises a fixed ring (15) and a movable ring (16), the fixed ring (15) surrounds the rotating rod (5) and the top side of the rotating disc (3) are fixedly arranged, bottom oblique tooth grooves (17) distributed in an annular array are formed in the top end of the fixed ring (15), the movable ring (16) is movably sleeved on the outer side of the rotating rod (5) and is arranged above the movable ring (16), the top end of the movable ring (16) is provided with a telescopic rod (18) in an annular array along the circumferential direction of the telescopic rod, one end of the telescopic rod (18) far away from the movable ring (16) is vertically upwards connected with the bottom side of the supporting disc (6), top oblique tooth grooves (19) distributed in an annular array are formed in the bottom end of the movable ring (16), the bottom oblique tooth grooves (17) are oppositely arranged with the top oblique tooth grooves (19), supporting springs (20) are sleeved on the outer side of the telescopic rod (18), and the top ends of the telescopic rod (16) are respectively connected with the top ends of the supporting ring (6).
  5. 5. The sand blasting device for machining mechanical workpieces according to claim 4, wherein the bottom end of the driving rod (10) movably penetrates through the driving groove (11), an installation rod (21) with one end vertically oriented to the center of the supporting disc (6) is connected, an abutting block (22) protrudes from the bottom side of one end of the installation rod (21) far away from the driving rod (10), and the abutting block (22) is in sliding abutting with the top end of the movable ring (16).
  6. 6. A blasting apparatus for machining a mechanical workpiece according to claim 5, wherein the abutting block (22) is provided with an inclined slide surface (23) toward a bottom of one end of the rotating lever (5).
  7. 7. The sand blasting device for machining mechanical workpieces according to claim 1, wherein the clamping piece comprises a cross rod (24) and a clamping block (25), the cross rod (24) is horizontally arranged at the top of the movable block (9), one end of the cross rod (24) is far away from a central shaft of the supporting disc (6) and fixedly connected with the clamping block (25), and a silica gel pad is attached to one side, far away from the cross rod (24), of the clamping block (25).
  8. 8. The sand blasting device for machining mechanical workpieces according to claim 1, wherein sliding grooves (26) are formed in groove walls of two opposite sides of the movable groove (8), sliding blocks (27) are connected in a sliding mode in the sliding grooves (26), and one end, away from the sliding grooves (26), of each sliding block (27) is fixedly connected with the movable block (9).
  9. 9. The sand blasting device for machining mechanical workpieces according to claim 1, wherein the rotating mechanism comprises a driving motor (28), the driving motor (28) is arranged at the top of the sand blasting chamber (1), an output shaft of the driving motor (28) vertically faces the sand blasting chamber (1) and is in transmission connection with a transmission rod (29), the bottom end of the transmission rod (29) is connected with the top side of the rotating disc (3), a U-shaped seat (30) is arranged at the inner bottom side of the sand blasting chamber (1), and the closed end of the U-shaped seat (30) is vertically upwards arranged and is in rotation connection with the bottom side of the rotating disc (3).

Description

Sand blasting device for machining mechanical workpiece Technical Field The invention relates to the technical field of sand blasting equipment, in particular to a sand blasting device for machining a mechanical workpiece. Background The sand blasting device is special equipment for surface treatment, which is used for realizing surface cleaning, strengthening, roughening or modifying by utilizing high-speed abrasive particles to impact the surface of a workpiece, and is widely applied to industries such as machine manufacturing, hardware, pressure vessels, automobiles, aviation and the like. The sand blasting device mainly comprises a power system, an abrasive circulating system, a spraying system, a sealed cabin body, a dust removal recovery system and a control unit. When the device works, compressed air provides high-pressure air flow through the air compressor, abrasive materials such as quartz sand, steel shots, glass beads and the like are accelerated, high-speed jet flow is formed through the spray gun nozzle, and the high-speed jet flow is sprayed to the surface of a workpiece. The impact and cutting action of the high-speed abrasive can effectively remove oxide skin, rust, welding slag, greasy dirt and burrs on the surface of a workpiece, form a uniform microcosmic rough surface, improve the adhesive force of a coating and a plating layer, and can also be used for eliminating internal stress and improving surface stress distribution. When the sand blasting device is used, in order to ensure uniform sand blasting, accurate positioning, safe operation and automatic processing requirements, a special clamping assembly is required to clamp, position and drive a workpiece so as to ensure accurate workpiece positioning and uniform sand blasting, avoid the risk of manual operation and protect a precise matching surface, and simultaneously adapt automatic continuous production, and improve the processing consistency and qualification rate. When the conventional sand blasting device performs sand blasting operation on a tubular product, the clamping jaw mechanism is used for clamping the surface of the product to be fixed, so that sand blasting treatment cannot be completed at the clamping position at one time, sand blasting efficiency is affected, and the requirement of large-scale production is difficult to meet. Disclosure of Invention The invention aims to provide a sand blasting device for machining a mechanical workpiece, which solves the problems that when the conventional sand blasting device is used for carrying out sand blasting operation on a tubular product, the clamping jaw mechanism clamps the surface of the product to realize fixation, so that sand blasting treatment cannot be finished at one time at the clamping position, and sand blasting efficiency is affected. In order to solve the technical problems, the invention adopts the following technical scheme: A sand blasting device for machining mechanical workpieces comprises a sand blasting chamber, wherein a sand blasting main body is arranged on the outer side of the sand blasting chamber, a spray head arranged in the sand blasting chamber is communicated through a conveying pipe, a rotating disc arranged right opposite to the spray head is arranged in the sand blasting chamber through rotation of a rotating mechanism, a plurality of servo motors are arranged on the bottom side of the rotating disc in an annular array mode, an output shaft of each servo motor is arranged vertically upwards, a rotating rod rotating around a vertical axis is connected in a transmission mode, a supporting disc arranged horizontally is rotatably arranged on the top end of the rotating rod, a driving disc is fixedly sleeved on the outer side of the rotating rod below the supporting disc, a movable groove with one end arranged towards the center of the supporting disc is formed in a penetrating mode through the annular array mode, a movable block is connected in each movable groove in a sliding mode, a clamping piece is connected to the top of the movable block, a driving assembly used for driving the movable block to slide is arranged on the driving disc, and a limiting mechanism is arranged between the mounting plate and the supporting disc. The further technical scheme is, drive assembly includes the actuating lever, is annular array along its circumference on the driving disk and runs through and offer the drive tank, the quantity of drive tank and the quantity one-to-one of movable groove, and the length central axis of every drive tank all is the tangent slope in space setting with the lateral wall of dwang, the top and the movable block bottom side fixed connection of actuating lever, and its bottom vertically passes the vertical corresponding drive tank in movable groove below. Still further technical scheme is, the supporting plate bottom side is the annular array along its circumference and is equipped with the rotation and ties, rotates the quantity o