CN215699680U - Automatic processing production line for forklift oil cylinder cover - Google Patents
Automatic processing production line for forklift oil cylinder cover Download PDFInfo
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- CN215699680U CN215699680U CN202122092308.1U CN202122092308U CN215699680U CN 215699680 U CN215699680 U CN 215699680U CN 202122092308 U CN202122092308 U CN 202122092308U CN 215699680 U CN215699680 U CN 215699680U
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Abstract
The utility model provides an automatic processing production line for a cylinder cover of a forklift cylinder; the linear truss manipulator is connected with a mechanical processing mechanism; the mechanical processing mechanism comprises a first numerical control machine tool, a second numerical control machine tool, an overturning sampling inspection table and a stacking station, wherein openable protective covers of the first numerical control machine tool and the second numerical control machine tool are positioned on the upper end surfaces of the respective machine tools, a three-jaw hard jaw chuck for clamping a workpiece is arranged in the first numerical control machine tool, the overturning sampling inspection table overturns the workpiece by 180 degrees, a three-jaw soft jaw chuck for clamping the workpiece is arranged in the second numerical control machine tool, and the stacking station is provided with a blank workpiece area and a finished product workpiece area; the linear truss manipulator clamps the workpiece and sequentially passes through a first numerical control machine tool, a turnover sampling inspection table and a second numerical control machine tool of the machining mechanism, and then the workpiece is placed in a finished workpiece area of the stacking station. The production line is reasonable in layout, meets the actual processing requirements, and is convenient for workers and workshops to manage. The characteristics of the linear truss manipulator are fully utilized, and automatic operation of a production line is realized.
Description
Technical Field
The utility model relates to an automatic processing production line for a cylinder cover of a forklift cylinder.
Background
The hydraulic cylinder of the forklift is used in a lifting system of a gantry of the forklift, is a power source realized by the lifting action of the gantry, and is formed by combining a cylinder body, a cylinder cover, a piston rod body and a part of sealing elements. A cylinder cover of the hydraulic cylinder of the forklift is an important processing part for mounting a sealing element, and has high requirements on the processing precision, the roughness and the product consistency of a cylinder cover product of the hydraulic cylinder of the forklift, as shown in figure 2, the outer side wall of a finished product 1 of the cylinder cover of the hydraulic cylinder of the forklift comprises a first outer side wall 11, an outer chamfer surface 12 and a second outer side wall 13, six wrench grooves 14 are respectively formed in the first outer side wall 11, and an inner groove needs to be processed in an inner hole of the cylinder cover of the hydraulic cylinder of the forklift.
The common machining method for the cylinder cover of the hydraulic oil cylinder of the forklift in the industry at present comprises the following steps: the processing station consists of two numerically controlled lathes and an operator, the two numerically controlled lathes are arranged face to face, so that the operator can manually feed and discharge materials for the other data machine tool by utilizing one numerically controlled lathe in the operation of an automatic processing program, and the processing can realize faster processing beat. The specific operation steps are as follows: the method comprises the following steps that a dispatcher in a production line puts a full cylinder cover blank frame beside a numerical control lathe, an operator can conveniently take the blank frame, the operator manually takes a forklift hydraulic cylinder cover blank, opens a vehicle door, blows scrap iron and cutting fluid completely by using an air gun, presses a foot switch, takes down a machined workpiece, puts the forklift hydraulic cylinder cover blank in a three-jaw chuck, presses the foot switch, the three-jaw chuck clamps the forklift hydraulic cylinder cover blank, closes the vehicle door, presses a start button on a numerical control panel, and the numerical control lathe starts automatic machining; the operator walks to the opposite numerically controlled lathe and repeats the above steps. The current industry processing technology comprises the following steps: a steel blank is adopted, and the processing contents are as follows: clamping the excircle of the blank by using a hard claw, machining the excircle and the flat end face by using an excircle rough turning tool, machining a blank hole by using a high-speed steel twist drill, roughly and finely turning an inner hole by using an inner hole cutter, and roughly and finely turning an inner groove of a sealing element by using an inner hole groove cutter; the clamping adopts a soft claw to clamp a machined large excircle, the length of the machined excircle and the end face of a common outer circular cutter is taken, an inner hole cutter is roughly and finely turned to machine an inner hole and a chamfer, an inner groove cutter is roughly and finely turned to machine a sealing piece groove, and the machining process inside the lathe is completed. At present, the processing mode has high labor intensity, manual clamping of workpiece blanks, low positioning precision, incapability of realizing continuous automatic operation, high processing cost of products, long processing time, and no effective solution in the industry, and an automatic processing scheme which has high efficiency, can process in batch, ensures high consistency of products, has wide applicability, can ensure the processing precision is urgently needed to improve and ensure the processing quality, and reduces the labor intensity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an automatic processing production line for the cylinder cover of the forklift cylinder, which realizes the automatic taking and placing of the cylinder cover in the processing process.
In order to solve the technical problem, the utility model provides an automatic processing production line for a cylinder cover of a forklift cylinder;
the linear truss manipulator is connected with a mechanical processing mechanism;
the machining mechanism comprises a first numerical control machine tool, a second numerical control machine tool, an overturning sampling inspection table and a stacking station, wherein the first numerical control machine tool, the overturning sampling inspection table, the second numerical control machine tool and the stacking station are sequentially arranged in a straight line, openable protective covers of the first numerical control machine tool and the second numerical control machine tool are positioned on the upper end surfaces of the respective machine tools, a three-jaw hard-jaw chuck for clamping a workpiece is arranged in the first numerical control machine tool, the workpiece is overturned by 180 degrees by the overturning sampling inspection table, a three-jaw soft-jaw chuck for clamping the workpiece is arranged in the second numerical control machine tool, and the stacking station is provided with a blank workpiece area and a finished workpiece area;
the truss direction of the linear truss manipulator is consistent with the arrangement direction of each device of the machining mechanism, and the linear truss manipulator can clamp a workpiece from a blank workpiece area of the stacking station, sequentially pass through a first numerical control machine, an overturning sampling inspection table and a second numerical control machine of the machining mechanism, and then place the workpiece in a finished workpiece area of the stacking station.
As the optimization of this automatic processing production line of cylinder cap, upset selective examination platform include support column, revolving cylinder and centre gripping cylinder, the support column is vertical to be arranged, revolving cylinder's cylinder body fixed connection is on the support column lateral wall, revolving cylinder's revolving stage and centre gripping cylinder's cylinder body fixed connection, the finger gas claw of centre gripping cylinder stretches out to keeping away from support column one side direction.
As the optimization of this automatic processing production line of cylinder cap, the three-jaw hard-jaw chuck of first digit control machine tool includes three hard-jaw jack catch, open the first notch that has the first lateral wall profile of agreeing with blank work piece on the hard-jaw jack catch terminal surface, the degree of depth of first notch is 20 ~ 25mm, behind the three-jaw hard-jaw chuck centre gripping blank work piece, the cell wall of first notch supports respectively and leans on first lateral wall and the rear end face of blank work piece.
As the optimization of this automatic processing production line of oil cylinder lid, the three-jaw soft claw chuck of second digit control machine tool includes three soft claw jack catch, soft claw jack catch terminal surface is opened has the second notch that agrees with blank work piece outer chamfer face and first lateral wall profile, leaves the clearance that supplies the second lateral wall at blank work piece rear portion to stretch into between the three soft claw jack catch, behind the three-jaw soft claw chuck centre gripping blank work piece, the cell wall of second notch supports respectively and leans on the outer chamfer face and the first lateral wall of blank work piece.
After adopting such structure, this car cylinder cap automated processing production line overall arrangement accords with actual processing needs, and is rationally distributed, makes things convenient for workman and workshop management. The linear truss manipulator has the advantages of being low in cost and simple in operation, the characteristics of the linear truss manipulator are fully utilized, automatic operation of a production line is achieved, compared with a traditional machining mode, the automatic machining production line for the oil cylinder cover only needs one operator to operate the first numerical control machine and the second numerical control machine, actions of loading and unloading, air blowing of workpieces, opening and closing of machine doors and the like are mainly completed, and labor cost is reduced.
Drawings
Fig. 1 is a cross-sectional view of a schematic structural diagram of a blank workpiece used in an embodiment of the processing method of the forklift cylinder head.
Fig. 2 is a cross-sectional view of a schematic structural diagram of a finished workpiece used in the processing method embodiment of the forklift cylinder head.
FIG. 3 is a perspective view of a use state diagram of the three-jaw hard jaw chuck in the embodiment of the automatic processing production line of the forklift cylinder cover.
FIG. 4 is a cross-sectional view of a use state diagram of the three-jaw hard jaw chuck in the embodiment of the automatic processing production line of the cylinder cover of the forklift truck.
Fig. 5 is a perspective view of a using state diagram of the three-jaw flexible claw chuck in the embodiment of the automatic processing production line of the cylinder cover of the forklift truck.
FIG. 6 is a cross-sectional view of a use state diagram of the three-jaw flexible-jaw chuck in the embodiment of the automatic processing production line of the cylinder cover of the forklift truck.
FIG. 7 is a front view of the turning sampling inspection table of the embodiment of the automatic processing production line of the cylinder cover of the forklift truck.
Fig. 8 is a left side view of fig. 5.
Fig. 9 is a schematic equipment layout diagram of a processing method of a forklift cylinder cover in an embodiment of the automatic processing production line of the forklift cylinder cover.
Detailed Description
As shown in fig. 1 to 9.
The automatic machining production line for the cylinder cover of the forklift truck comprises a machining mechanism and a linear truss manipulator 7.
The machining mechanism comprises a first numerical control machine tool 3, a second numerical control machine tool 5, an overturning sampling platform 4 and a stacking station 6, wherein the first numerical control machine tool 3, the overturning sampling platform 4, the second numerical control machine tool 5 and the stacking station 6 are sequentially arranged in a straight line.
The openable protective covers of the first numerical control machine tool 3 and the second numerical control machine tool 5 are located on the upper end faces of the respective machine tools, a three-jaw hard jaw chuck for clamping workpieces is arranged in the first numerical control machine tool 3 and comprises three hard jaw claws 31, first notches 31a matched with the outline of the first outer side wall 11 of the blank workpiece 2 are formed in the end faces of the hard jaw claws 31, the depth of each first notch 31a is 21mm, and after the blank workpiece 2 is clamped by the three-jaw hard jaw chucks, the groove walls of the first notches 31a abut against the first outer side wall 11 and the rear side end face of the blank workpiece 2 respectively.
The overturning sampling platform 4 comprises a supporting column 41, a rotating cylinder 42 and a clamping cylinder 43, wherein the supporting column 41 is vertically arranged, a cylinder body of the rotating cylinder 42 is fixedly installed on the side wall of the supporting column 41, the rotating platform of the rotating cylinder 42 is fixedly connected with the cylinder body of the clamping cylinder 43 through a bolt, a finger air claw 43a of the clamping cylinder 43 extends out towards one side far away from the supporting column 41, and the workpiece can be overturned by 180 degrees by the overturning sampling platform 4.
The workpiece on the overturning sampling inspection table 4 can be taken by an operator, and whether the blank workpiece 2 is qualified or not is manually inspected; the operator can press the button at any time to carry out random inspection at any time, and can also set the fixed number of inspection pieces for random inspection at the detection frequency.
Be equipped with the soft claw chuck of three-jaw of clamping work piece in the second digit control machine tool 5, the soft claw chuck of three-jaw includes three soft claw jack catch 51, soft claw jack catch 51 terminal surface is opened has the second notch 51a that agrees with blank work piece 2 outer chamfer face 12 and first lateral wall 11 profile, leave the clearance that supplies the second lateral wall 13 at blank work piece 2 rear portion to stretch into between the three soft claw jack catch 51, after the soft claw chuck centre gripping blank work piece 2 of three-jaw, the cell wall of second notch 51a supports respectively and leans on outer chamfer face 12 and the first lateral wall 11 of blank work piece 2, and blank work piece 2 stretches out the soft claw chuck of three-jaw and is greater than 21mm outward.
The stacking station 6 is provided with a blank workpiece area and a finished workpiece area.
The truss direction of the linear truss manipulator 7 is consistent with the arrangement direction of each device of the machining mechanism, and the linear truss manipulator 7 can clamp a workpiece from a blank workpiece area of the stacking station 6, sequentially pass through the first numerical control machine 3, the overturning sampling platform 4 and the second numerical control machine 5 of the machining mechanism, and then place the workpiece in a finished workpiece area of the stacking station 6.
In view of the requirement of a blank workpiece 2 of a cylinder cover of the hydraulic cylinder of the forklift, the blank material of the cylinder cover of the hydraulic cylinder of the forklift adopts a casting piece, the casting piece has low price, good processing performance and no iron scrap winding phenomenon, six wrench grooves 14 on the cylinder cover are formed by direct casting, secondary processing is omitted, a single side 2mm processing allowance is left on a first outer side wall 11 phi 89, and a processing surface is not needed on a second outer side wall 13 phi 68, so that the tolerance is set to be (0-1), and the requirement of the casting piece is met and the requirement of a part drawing is met; meanwhile, the blank has the following technical requirements: 1. the casting cannot have the defects of sand holes, air holes, softness and the like; 2. the casting is subjected to artificial aging treatment; 3. the draft angle of the casting is 7 degrees.
The requirements on the size, the shape, the smoothness and the like of a finished workpiece after machining are made, wherein the second outer side wall 13 phi 67 is a non-machining surface, the smoothness requirements of an inner hole phi 57H7, an inner groove phi 55H10 and an inner groove phi 67.8 are Ra1.6, and the parts mainly need to be matched with a sealing element to achieve a good sealing effect; the part cylinder cover needs the following technical requirements: 1. not injecting a chamfer C1; 2. and blunting sharp edges and removing burrs.
In combination with the automatic processing production line for the cylinder covers of the forklift cylinders, the embodiment also introduces a method for processing the cylinder covers, the method uses two automatic processing production lines for the cylinder covers of the forklift cylinders to be arranged side by side, a patrol passage 8 for an operator to move in a reciprocating manner for patrol is arranged between the two automatic processing production lines for the cylinder covers of the forklift cylinders, and the observation window of the first numerical control machine 3 and the observation window of the second numerical control machine 5 in the automatic processing production line for the cylinder covers of the forklift cylinders are both aligned with the patrol passage 8. Two fork truck hydro-cylinder cap automated processing production line overall arrangement become the symmetry form, can be by two fork truck hydro-cylinder cap automated processing production line of an operator inspection operation, make things convenient for the operator to inspect and supervise the processing condition.
The specific operation comprises the following steps:
a) an operator firstly takes the blank workpieces 2 from the blank frame to the stacking station 6, the number of the blank workpieces 2 reaches the rated volume of the blank workpiece area of the stacking station 6, and stops, the linear truss manipulator 7 grabs the blank workpieces 2 from the blank workpiece area of the stacking station 6, and the linear truss manipulator 7 is communicated with the blank workpieces 2 to move to the first numerical control machine 3;
b) an automatic door at the upper part of the first numerical control machine tool 3 is opened, the linear truss manipulator 7 places the blank workpiece 2 in the first numerical control machine tool 3, a three-jaw hard jaw chuck of the first numerical control machine tool 3 clamps a first outer side wall 11 of the blank workpiece 2, and the linear truss manipulator 7 exits from the first numerical control machine tool 3;
the first numerical control machine tool 3 is used for machining an arc surface phi 89mm of the first outer side wall 11, and an external turning tool is used for turning the end surface of the blank workpiece 2 to be flat; the outer chamfer surface 12 is arranged outside the vehicle, and the range of the outer chamfer surface 12 is 10mm to 21mm in the axial direction of the blank workpiece 2; roughly and finely turning an inner hole by using an inner hole turning tool, turning the inner hole with the diameter of phi 57H7, the length of 7mm, the opening of the hole of 30 degrees and the angle width of 1; turning a through hole with the diameter of 45.5 mm; roughly and finely turning the inner groove by using an inner groove turning cutter, wherein the inner groove is phi 55H10, the width is 7mm, the size is ensured to be 16, the fillet R0.5mm is formed at the bottom of the groove, and the fillet R0.2mm is formed at the edge of the groove;
the blank workpiece 2 is processed by a first numerical control machine 3 to become a cylinder cover semi-finished product;
c) the linear truss manipulator 7 moves the cylinder cover semi-finished product to the turning selective inspection table 4, and after the turning selective inspection table 4 turns the workpiece 180 degrees, the linear truss manipulator 7 moves to the upper part of the second numerical control machine 5 to wait for the second numerical control machine 5 to process;
d) an automatic door at the upper part of the second numerically-controlled machine tool 5 is opened, the linear truss manipulator 7 and the cylinder cover semi-finished product enter the machine tool, the three-jaw soft jaw chuck clamps the cylinder cover semi-finished product, and the linear truss manipulator 7 exits the second numerically-controlled machine tool 5;
the second numerical control machine tool 5 processes the semi-finished product of the clamping cylinder cover of the three-jaw soft jaw chuck and processes the first outer side wall 11; turning the semi-finished product of the cylinder cover by using an external turning tool, and taking the total length of the semi-finished product of the cylinder cover to be 53 mm; turning the first outer side wall 11 to the upper cutter and chamfering C1 mm; roughly turning a threaded bottom hole with the diameter of 63.5mm (0.05mm, +0.15mm), the length of 18mm and an orifice chamfer angle C1.5mm by using an inner hole lathe tool; roughly and finely turning an inner hole phi 63mmH9, and ensuring the length to be in size; roughly and finely turning an inner groove with the diameter of 67.8mm and the width of 4mm by using an inner groove turning cutter, and ensuring the size of 24 mm; turning internal threads M65x1.5-6H by using an internal thread turning tool;
the semi-finished product of the cylinder cover is processed by a second numerical control machine 5 to become a finished product 1 of the cylinder cover;
e) the linear truss manipulator 7 moves finished cylinder cover products to a finished product workpiece area of the stacking station 6, and after the finished cylinder cover products are fully placed in the finished product bin, an operator manually takes the finished cylinder cover products into a finished product frame beside the finished cylinder cover, and the finished cylinder cover products are placed in order in layers.
The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as falling within the protection scope of the present invention.
Claims (4)
1. The utility model provides a fork truck hydro-cylinder cap automated processing production line, characterized in that:
the linear truss manipulator is connected with a mechanical processing mechanism;
the machining mechanism comprises a first numerical control machine tool, a second numerical control machine tool, an overturning sampling inspection table and a stacking station, wherein the first numerical control machine tool, the overturning sampling inspection table, the second numerical control machine tool and the stacking station are sequentially arranged in a straight line, openable protective covers of the first numerical control machine tool and the second numerical control machine tool are positioned on the upper end surfaces of the respective machine tools, a three-jaw hard-jaw chuck for clamping a workpiece is arranged in the first numerical control machine tool, the workpiece is overturned by 180 degrees by the overturning sampling inspection table, a three-jaw soft-jaw chuck for clamping the workpiece is arranged in the second numerical control machine tool, and the stacking station is provided with a blank workpiece area and a finished workpiece area;
the truss direction of the linear truss manipulator is consistent with the arrangement direction of each device of the machining mechanism, and the linear truss manipulator can clamp a workpiece from a blank workpiece area of the stacking station, sequentially pass through a first numerical control machine, an overturning sampling inspection table and a second numerical control machine of the machining mechanism, and then place the workpiece in a finished workpiece area of the stacking station.
2. The automatic processing production line of the cylinder cover of the forklift truck as claimed in claim 1, which is characterized in that:
upset selective examination platform include support column, revolving cylinder and centre gripping cylinder, the support column is vertical arranges, revolving cylinder's cylinder body fixed connection is on the support column lateral wall, revolving cylinder's revolving stage and centre gripping cylinder's cylinder body fixed connection, the finger gas claw of centre gripping cylinder stretches out to keeping away from support column one side direction.
3. The automatic processing production line of the cylinder cover of the forklift truck as claimed in claim 1, which is characterized in that:
the three-jaw hard-jaw chuck of first digit control machine tool includes three hard-jaw jack catch, the first notch that has agreed with the first lateral wall profile of blank work piece is opened to hard-jaw jack catch terminal surface, and the degree of depth of first notch is 20 ~ 25mm, behind the three-jaw hard-jaw chuck centre gripping blank work piece, the cell wall of first notch supports respectively and leans on the first lateral wall and the rear end terminal surface of blank work piece.
4. The automatic processing production line of the cylinder cover of the forklift truck as claimed in claim 1, which is characterized in that:
the three-jaw soft jaw chuck of the second numerical control machine tool comprises three soft jaw chucks, the end faces of the soft jaw chucks are provided with second notches which are matched with the outline of the outer chamfer face and the first outer side wall of the blank workpiece, gaps for the extension of the second outer side wall at the rear part of the blank workpiece are reserved between the three soft jaw chucks, and after the blank workpiece is clamped by the three-jaw soft jaw chuck, the groove wall of each second notch is abutted to the outer chamfer face and the first outer side wall of the blank workpiece respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122092308.1U CN215699680U (en) | 2021-08-31 | 2021-08-31 | Automatic processing production line for forklift oil cylinder cover |
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| CN202122092308.1U CN215699680U (en) | 2021-08-31 | 2021-08-31 | Automatic processing production line for forklift oil cylinder cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952317A (en) * | 2022-07-04 | 2022-08-30 | 蚌埠液力机械有限公司 | Forklift oil cylinder barrel machining production line |
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- 2021-08-31 CN CN202122092308.1U patent/CN215699680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952317A (en) * | 2022-07-04 | 2022-08-30 | 蚌埠液力机械有限公司 | Forklift oil cylinder barrel machining production line |
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