CN214291017U - Clamping device for processing lug plate of hydraulic cylinder - Google Patents

Abstract

The utility model discloses a clamping device that pneumatic cylinder otic placode adds man-hour, including foundatin plate, positioning mechanism and hold-down mechanism, it has the constant head tank that steps down to the otic placode closing cap to open on the foundatin plate, wherein sets up multiunit positioning mechanism and multiunit positioning mechanism on the foundatin plate and sets up side by side, need not to change the lathe and can carry out the face of milling of otic placode medial surface and lateral surface, reduces staff's intensity of labour like this, can also improve the machining efficiency of otic placode simultaneously, can also guarantee every otic placode thickness and depth of parallelism simultaneously.

Description

Clamping device for processing lug plate of hydraulic cylinder

Technical Field

The utility model relates to a pneumatic cylinder spare part processing apparatus, concretely relates to clamping device that pneumatic cylinder otic placode adds man-hour.

Background

The lug plate is used as a joint rotating part of the hydraulic cylinder, in the process of machining, the machining precision of the lug plate is basically guaranteed in later installation, after the middle groove of the lug plate is sawed out by lug plate raw materials, the middle groove of the lug plate needs to be milled, the parallelism of two inner side surfaces of the middle groove is guaranteed, and therefore subsequent installation of the lug plate is facilitated.

Disclosure of Invention

The utility model provides a not enough to above-mentioned prior art, the utility model provides a clamping device that pneumatic cylinder otic placode adds man-hour need not to change the lathe and can carry out the face of milling of otic placode medial surface and lateral surface, reduces staff's intensity of labour like this, can also improve the machining efficiency of otic placode simultaneously, can also guarantee every otic placode thickness and depth of parallelism simultaneously.

In order to achieve the above purpose, the utility model discloses a scheme: a clamping device for processing a hydraulic cylinder lug plate comprises a base plate, positioning mechanisms and a pressing mechanism, wherein a positioning groove for closing and abdicating the lug plate is formed in the base plate, a plurality of groups of positioning mechanisms are arranged on the base plate and are arranged side by side, a plurality of groups of positioning assemblies are fixed with the base plate in a detachable mode, each group of positioning assemblies comprises a plurality of limiting blocks arranged in parallel, the limiting blocks are mutually fixed, the distance between every two limiting blocks is the thickness of each lug plate on the lug plate, and the lugs are clamped tightly through the limiting blocks; the clamping mechanism is arranged on the foundation plate and used for clamping the lug plate through the clamping mechanism, the clamping mechanism comprises three clamping mechanisms, the three clamping mechanisms respectively clamp the cover of the lug plate and the two lug plates, the clamping mechanism comprises a plurality of groups of quick clamping assemblies and fine clamping assemblies, each quick clamping assembly comprises a rack and an elastic limiting block, a plurality of vertical deep holes are formed in the foundation plate, each deep hole is internally provided with an elastic limiting block, a rack is inserted into each deep hole and can move up and down in the deep hole, the elastic limiting blocks are matched with the racks, the elastic limiting blocks can limit the rising of the racks, each elastic limiting block is provided with an operating rod, the operating rod protrudes out of the foundation plate, the elastic limiting blocks can leave the deep holes through the operating rods, the racks can freely rise and fall, the fine clamping assemblies are arranged at the tops of the racks, each fine clamping assembly comprises a lead screw, The compression nut and the compression block are fixed on the top of the rack, the compression nut in threaded fit with the screw rods is arranged on the top of each screw rod, the compression block which slides on the screw rods is sleeved on each screw rod, and the compression of the compression blocks is realized by screwing the compression nut.

Preferably, be provided with rotary device in the bottom of foundatin plate, be provided with inside sunken recess on the side of foundatin plate, be provided with the gag lever post in the bottom of every recess, be fixed with lifting unit in the bottom of gag lever post, stretch into the recess with the gag lever post through lifting unit and carry on spacingly.

Compared with the prior art, the utility model has the advantages that: 1. the milling surfaces of the inner side surface and the outer side surface of the lug plate can be carried out without replacing a machine tool, so that the labor intensity of workers is reduced, the processing efficiency of the lug plate can be improved, and the thickness and the parallelism of each lug plate can be guaranteed.

Drawings

Fig. 1 is a top view of the present invention for placing a workpiece.

Fig. 2 is a plan view of the present invention with the workpiece removed.

Fig. 3 is a cross-sectional schematic view of the present invention.

Wherein, 1, foundatin plate, 1.1, constant head tank, 2, positioning mechanism, 2.1, stopper, 3, hold-down mechanism, 3.2, rack, 3.3, elasticity stopper, 3.4, the deep hole, 3.5, the control rod, 3.6, the coining tight subassembly, 3.7, the lead screw, 3.8, gland nut, 3.9, the compact heap, 4, rotary device, 4.1, the recess, 4.2, the counterpoint piece, 4.3, counterpoint cylinder, 5, the fixed plate.

Detailed Description

The present invention will now be further elucidated with reference to the accompanying drawings.

As shown in figures 1-3, a clamping device for processing lug plates of hydraulic cylinders comprises a base plate 1, positioning mechanisms 2 and a pressing mechanism 3, wherein the base plate 1 is provided with positioning grooves 1.1 for closing and abdicating the lug plates, the closing covers of the lug plates are positioned through the positioning grooves 1.1, the base plate 1 is provided with a plurality of groups of positioning mechanisms 2 and the groups of positioning mechanisms 2 are arranged side by side, a plurality of groups of positioning components are fixed with the base plate 1 in a detachable mode (a bolt fastening mode), each group of positioning components comprises a plurality of limiting blocks 2.1 arranged in parallel, the limiting blocks 2.1 are mutually fixed with the base plate 1, the distance between every group of limiting blocks 2.1 is the thickness of each lug plate on the lug plate, each lug plate is pressed and positioned through two adjacent limiting blocks 2.1, thus, when working, a milling cutter can mill the edge of the lug plate, when milling the lug plate, the workpiece can be processed through the limiting block 2.1, so that the workpiece can be placed on the workpiece to move left and right when the face milling is carried out, and meanwhile, the limiting block 2.1 can limit the position of the lug plate, so that the workpiece can be conveniently clamped; a pressing mechanism 3 is arranged on a foundation plate 1, the ear plates are pressed through the pressing mechanism 3, the pressing mechanism 3 comprises three pressing mechanisms 3, the three pressing mechanisms 3 respectively press a sealing cover of the ear plates and two ear plates, the pressing mechanism 3 comprises a plurality of groups of quick pressing assemblies and fine pressing assemblies 3.6, each quick pressing assembly comprises a rack 3.2 and an elastic limiting block 3.3, a plurality of vertical deep holes 3.4 are formed in the foundation plate 1, each deep hole 3.4 is internally provided with the elastic limiting block 3.3, a rack 3.2 is inserted into each deep hole 3.4, the deep holes 3.4 limit the direction of the up-and-down movement of the rack 3.2, the rack 3.2 can move up and down in the deep hole 3.4, the elastic limiting blocks 3.3 are matched with the racks 3.2 (the teeth on each rack 3.2 incline downwards, the elastic limiting blocks 3.3 are limiting rods, the limiting rods are connected through linkage rods, the linkage rods are pulled outwards to pull the limiting blocks 2.1 and enable the limiting blocks 2.1 to leave the racks 3.2, therefore, the rack 3.2 can freely lift up and down, when a workpiece is required to be pressed, the rack 3.2 is pressed downwards, the limiting rod cannot influence the downward movement of the rack 3.2, meanwhile, when the pressing mechanism 3 preliminarily presses the workpiece, the rack 3.2 is loosened, the limiting rod can limit the lifting of the rack 3.2, and thus the preliminary pressing state is achieved, the elastic limiting blocks 3.3 can limit the lifting of the rack 3.2, each elastic limiting block 3.3 is fixedly provided with an operating rod 3.5 in a welding mode, each operating rod 3.5 protrudes out of the foundation plate 1, the elastic limiting blocks 3.3 can leave the deep holes 3.4 through the operating rods, so the rack 3.2 can freely lift up and down, an extension spring is fixedly arranged between the right end of each operating rod and the foundation plate 1 in a welding mode, the operating rods are pulled leftwards through the extension springs, so that the elastic limiting blocks 3.3 are positioned in the deep holes 3.4, and when the elastic limiting blocks 3.3 need to leave the deep holes 3.4, the effect of pulling the elastic limiting block 3.3 out of the deep hole 3.4 can be realized by pulling the operating rod outwards, so that the rack 3.2 can be lifted freely, and the pressing mechanism 3 loses the pressing on the workpiece; a fine pressing component 3.6 is arranged at the top of the rack 3.2, the fine pressing component 3.6 comprises a lead screw 3.7, a pressing nut 3.8 and a pressing block 3.9, wherein the lead screw 3.7 is fixed at the top of the rack 3.2 in a welding mode, the pressing nut 3.8 in threaded fit with the lead screw 3.7 is arranged at the top of the lead screw 3.7, the pressing block 3.9 sliding on the lead screw 3.7 is sleeved on each lead screw 3.7, the pressing block 3.9 is pressed by screwing the pressing nut 3.8, and the workpiece is further pressed by rotating the pressing nut 3.8; the rotary device 4 is fixed at the bottom of the foundation plate 1 by welding, the inward concave grooves 4.1 are arranged on the side surface of the foundation plate 1, the fixing plate 5 is sleeved at the outer side of the foundation plate 1 and the bottom of the fixing plate 5 is fixed on the ground by welding supporting legs, the fixing plate 5 is fixed on a machine tool by bolts, a bearing is fixed between the fixing plate 5 and the foundation plate 1 by welding, the aligning block 4.2 is arranged on the fixing plate 5 of each groove 4.1, the aligning cylinder 4.3 is fixed at the top of the fixing plate 5, the piston rod of the aligning cylinder 4.3 is fixed on the aligning block 4.2 by welding, the aligning block 4.2 is pushed into the groove 4.1 by the aligning cylinder 4.3 for limiting, thus, the workpiece is prevented from rotating during processing and affecting the precision of the workpiece, the upper groove 4.1 of the foundation plate 1 is an arc-shaped groove, and the side of the aligning block 4.2 facing the groove 4.1 is an arc-shaped surface, like this in the spacing of carrying out the location, counterpoint piece 4.2 and recess 4.1 can also be fixed a position, guarantee the precision of work piece processing like this.

When the clamping device is used, the lug plate sealing cover is clamped into the groove 4.1, when the lug plate is clamped between the two limiting blocks 2.1, a workpiece is positioned through the positioning groove 1.1 and the limiting blocks 2.1, the pressing block 3.9 is pressed on the workpiece by pressing the screw rod 3.7 downwards, the pressing block 3.9 is tightly pressed on the surface of the workpiece by screwing the pressing nut 3.8 on the screw rod 3.7, so that the workpiece is placed to jump during processing, after clamping is finished, the inner side surface of the lug plate of the workpiece is processed through the cutter, as the bottom of the lug plate is abutted against the limiting blocks 2.1, when the bottom of the inner side surface of the lug plate is processed, the lug plate is rotated to enable the bottom of the lug plate to rotate to the top, when the lug plate needs to rotate, the operating rod is pulled outwards, so that the rack 3.2 can freely lift, so that the pressing mechanism 3 loses the pressing state of the workpiece, then the workpiece is rotated by a worker, and the worker presses the screw rod 3.7 down mutually, the pressing device can quickly press the workpiece, so that the clamping speedometer is fast and the processing efficiency is high; the foundation plate 1 can rotate, so that the upper two inner side faces of the lug plate can be machined through the rotation of the foundation plate 1 when the lug plate is machined, and machining errors caused by repeated clamping are reduced.

Claims (3)

1. A clamping device for processing a lug plate of a hydraulic cylinder comprises a base plate, positioning mechanisms and a pressing mechanism, wherein a positioning groove for yielding a lug plate sealing cover is formed in the base plate, a plurality of groups of positioning mechanisms are arranged on the base plate and arranged side by side, and the clamping device is characterized in that a plurality of groups of positioning assemblies are fixed with the base plate in a detachable mode, each group of positioning assemblies comprises a plurality of limiting blocks arranged side by side, every two adjacent limiting blocks form a group, and the distance between every two limiting blocks is the thickness of every lug plate on the lug plate; the clamping mechanism is arranged on the foundation plate and used for clamping the lug plate through the clamping mechanism, the clamping mechanism comprises three clamping mechanisms, the three clamping mechanisms respectively clamp the cover of the lug plate and the two lug plates, the clamping mechanism comprises a plurality of groups of quick clamping assemblies and fine clamping assemblies, each quick clamping assembly comprises a rack and an elastic limiting block, a plurality of vertical deep holes are formed in the foundation plate, each deep hole is internally provided with an elastic limiting block, a rack is inserted into each deep hole and can move up and down in the deep hole, the elastic limiting blocks are matched with the racks, the elastic limiting blocks can limit the rising of the racks, each elastic limiting block is provided with an operating rod, the operating rod protrudes out of the foundation plate, the elastic limiting blocks can leave the deep holes through the operating rods, the racks can freely rise and fall, the fine clamping assemblies are arranged at the tops of the racks, each fine clamping assembly comprises a lead screw, The compression nut and the compression block are fixed on the top of the rack, the compression nut in threaded fit with the screw rods is arranged on the top of each screw rod, the compression block which slides on the screw rods is sleeved on each screw rod, and the compression of the compression blocks is realized by screwing the compression nut.

2. The clamping device for the processing of the lug plate of the hydraulic cylinder according to claim 1, wherein the rotating device is arranged at the bottom of the base plate, the side surface of the base plate is provided with an inward concave groove, the bottom of each groove is provided with a limiting rod, the bottom of each limiting rod is fixed with a lifting assembly, and the limiting rods extend into the grooves through the lifting assemblies for limiting.

3. The clamping device for the processing of the lug plate of the hydraulic cylinder according to claim 2, wherein a plurality of sliding grooves are transversely formed in the top surface of the base plate, two sliding blocks are arranged in each sliding groove, the two sliding blocks in each sliding groove are penetrated by the same adjusting screw rod, the adjusting screw rod is a bidirectional screw rod, and the two sliding blocks are respectively in threaded fit with the adjusting screw rod in the corresponding thread direction.

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