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CN-224209532-U - Auxiliary tool for machining automobile engine shell

CN224209532UCN 224209532 UCN224209532 UCN 224209532UCN-224209532-U

Abstract

The utility model relates to the technical field of automobile part machining, in particular to an auxiliary tool for machining an automobile engine shell. The technical scheme includes that the processing platform, a pair of support frame is installed on the top of processing platform, the cylinder is installed on the top of support frame, the output transmission of cylinder is connected with the stopper, the stopper slides in the inside of support frame, the inside rotation of stopper is connected with connecting rod one. According to the utility model, four groups of clamping plates work cooperatively and cooperate with the rotating mechanism and the guiding mechanism, so that multi-position alternate clamping is realized, in the clamping process, the four groups of clamping plates are influenced by the rotating mechanism to synchronously rotate 90 degrees when being pressed down, a dynamic stress dispersion mode is formed, fatigue damage caused by continuous stress at a single position is avoided, the guiding mechanism ensures that the clamping plates rotate when lifting, stand when rising, the clamping plates do not rotate in a reciprocating manner, the abrasion of parts is reduced, the clamping stability is maintained, the service life of the device is prolonged, and the machining precision is ensured.

Inventors

  • WANG BIN
  • CHEN YULIN

Assignees

  • 天奇王牌(江苏)动力科技有限公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (6)

  1. 1. The auxiliary tooling for machining the automobile engine shell comprises a machining table (1), wherein a pair of supporting frames (2) are arranged at the top end of the machining table (1), an air cylinder (3) is arranged at the top end of the supporting frames (2), a limiting block (4) is connected to the output end of the air cylinder (3) in a transmission mode, the limiting block (4) slides in the supporting frames (2), and is characterized in that a first connecting rod (5) is connected to the limiting block (4) in a rotating mode, a second connecting rod (6) is connected to the first connecting rod (5) in a sliding mode, a square block (7) is fixedly connected to the outer side of the second connecting rod (6), four groups of clamping plates (8) are fixedly connected to the outer side of the square block (7), a rotating mechanism is arranged on the periphery of the second connecting rod (6) and used for driving the second connecting rod (6) to rotate when moving vertically, a V plate (9) and an oblique block (10) are fixedly connected to the outer side of the supporting frames (2), a guiding mechanism matched with the second connecting rod (9) and the oblique block (10) is arranged on the outer side of the second connecting rod (6), and the guiding mechanism is used for driving the second connecting rod (6) to move inside the first connecting rod (5).
  2. 2. The auxiliary tool for machining the automobile engine shell according to claim 1, wherein the rotating mechanism comprises a spur gear (11) and a rack (12), the spur gear (11) is fixedly connected to the outer side of the second connecting rod (6), and the rack (12) is fixedly connected to one end, close to the first connecting rod (5), of the supporting frame (2).
  3. 3. The automobile engine shell machining auxiliary tool according to claim 1, wherein the guide mechanism comprises a pair of annular plates (13), an L plate (14), a guide rod (15) and an offset rod (16), the pair of annular plates (13) are all sleeved on the outer side of the connecting rod II (6), the pair of annular plates (13) are respectively arranged at two ends of the spur gear (11), the L plate (14) is fixedly connected with the pair of annular plates (13), the guide rod (15) is slidably connected in the L plate (14), one end of the guide rod (15) away from the L plate (14) is slidably connected in the support frame (2), the offset rod (16) is fixedly connected on the outer side of the L plate (14), and the offset rod (16) is attached to the inner side of the V plate (9).
  4. 4. The auxiliary tool for machining the automobile engine shell according to claim 1, wherein an air blowing mechanism is arranged on the periphery of the supporting frame (2) and used for cleaning dust on the outer side of the clamping plate (8).
  5. 5. The auxiliary tool for machining the automobile engine shell according to claim 4, wherein the air blowing mechanism comprises a fixed plate (17), an air pipe (18) and an air blower, the fixed plate (17) is fixedly connected to the outer side of the supporting frame (2), the air pipe (18) is installed in the fixed plate (17), the air blower is installed on the outer side of the fixed plate (17), and the output end of the air blower is connected with the air pipe (18).
  6. 6. The auxiliary tool for machining the automobile engine shell according to claim 1, wherein the buffer pads (19) are glued to one ends, far away from the square blocks (7), of the four groups of clamping plates (8), and the buffer pads (19) are made of rubber materials.

Description

Auxiliary tool for machining automobile engine shell Technical Field The utility model relates to the technical field of automobile part machining, in particular to an auxiliary tool for machining an automobile engine shell. Background The automobile engine shell (usually referred to as an engine shell) is a key structural component for accommodating and protecting the engine core component, and is made of high-strength aluminum alloy, cast iron or steel, so that the requirements of light weight, corrosion resistance, high rigidity and the like are met. The existing clamping tool is mainly composed of a supporting frame, an air cylinder, a limiting block, a clamping plate and the like, wherein the air cylinder is arranged at the top end of the supporting frame, the clamping plate is connected with the limiting block, the working principle of the clamping tool is that the air cylinder drives the limiting block to move up and down in the supporting frame when in operation, the limiting block can drive the clamping plate to move, the clamping plate can be close to an engine shell and contact with the engine shell when moving down, and downward pressure can be applied to the shell when the clamping plate contacts with the shell, so that the clamping purpose is achieved. At present, a single group of clamping plates are generally adopted for fixing workpieces in the engine shell machining tool, so that the same group of clamping plates need to bear complex stress continuously, structural fatigue is easily generated by the clamping plates due to local stress concentration and friction loss in the long-term repeated clamping process, material performance degradation is accelerated, clamping stability is reduced due to abrasion accumulation, and machining precision and equipment maintenance period are further influenced. Disclosure of utility model The utility model aims to solve the problem that a group of clamping plates are easy to generate clamping fatigue in the background art, and provides an auxiliary tool for machining an automobile engine shell. The technical scheme includes that the auxiliary machining tool for the automobile engine shell comprises a machining table, a pair of supporting frames are arranged at the top end of the machining table, an air cylinder is arranged at the top end of each supporting frame, a limiting block is connected to the output end of each air cylinder in a transmission mode, each limiting block slides in the corresponding supporting frame, a first connecting rod is connected to the corresponding limiting block in a rotating mode, a second connecting rod is connected to the corresponding connecting rod in a sliding mode, a square block is fixedly connected to the outer side of the corresponding connecting rod, four clamping plates are fixedly connected to the outer side of the corresponding square block, a rotating mechanism is arranged on the periphery of the corresponding connecting rod, the rotating mechanism is used for driving the corresponding connecting rod to rotate when the corresponding connecting rod moves vertically, a V plate and an oblique block are fixedly connected to the outer side of the corresponding supporting frame, and a guiding mechanism matched with the V plate and the oblique block to move the corresponding connecting rod is arranged on the periphery of the corresponding connecting rod, and is used for driving the corresponding connecting rod to the corresponding connecting rod. Optionally, the rotating mechanism comprises a spur gear and a rack, wherein the spur gear is fixedly connected to the outer side of the second connecting rod, and the rack is fixedly connected to one end, close to the first connecting rod, of the support frame. Optionally, guiding mechanism includes a pair of crown block, L board, guide bar and skew pole, a pair of the outside at connecting rod two is all established to the crown block, and a pair of crown block sets up respectively at the both ends of spur gear, L board and a pair of crown block rigid coupling, guide bar sliding connection is in the inside of L board, and the one end sliding connection that the L board was kept away from to the guide bar is in the inside of support frame, the outside at the L board is overlapped to the skew pole rigid coupling, the inboard of skew pole and V board is laminated mutually. Optionally, the periphery of support frame is provided with blast mechanism, blast mechanism is used for clearing up the dust in the grip block outside. Optionally, the blast mechanism includes fixed plate, trachea and air-blower, the fixed plate rigid coupling is in the outside of support frame, the trachea is installed in the inside of fixed plate, the air-blower is installed in the outside of fixed plate, the output and the trachea of air-blower are connected. Optionally, the four groups the clamping plate is kept away from the one end of square all glued there is the blotter, the blotter is the rubber mate