CN115502670B - Method for machining hydraulic lifting cylinder barrel of forklift - Google Patents

Method for machining hydraulic lifting cylinder barrel of forklift Download PDF

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Publication number
CN115502670B
CN115502670B CN202211320169.6A CN202211320169A CN115502670B CN 115502670 B CN115502670 B CN 115502670B CN 202211320169 A CN202211320169 A CN 202211320169A CN 115502670 B CN115502670 B CN 115502670B
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cylinder barrel
blank
chuck
barrel blank
cutter
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CN115502670A (en
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王占辉
朱明杨
董梦嵩
沈露露
周宗恩
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Bengbu Yeli Machinery Co ltd
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Bengbu Yeli Machinery Co ltd
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Abstract

The invention provides a processing method of a forklift hydraulic lifting cylinder barrel, which comprises the following steps: placing the cylinder barrel blank in a machine tool, and placing the cylinder barrel blank on a bracket of the machine tool by an operator, wherein a main shaft claw tightly props an inner hole of the cylinder barrel blank; under the drive of a servo motor, a clamping jaw of the tailstock chuck is tightly supported on an inner hole of a cylinder barrel blank, and then a machine tool is operated to enable a cutter to process a cylinder barrel process circle; clamping the hydraulic center frame, and retracting the clamping jaw of the tailstock chuck to a position which is not interfered with the cutter on the cutter tower during processing when the clamping jaw leaves the inner hole range of the cylinder barrel blank; machining the right end face of the cylinder barrel blank; machining the outer circle size, the circular arc and the bevel angle of the left side of the cylinder barrel blank, and chamfering the left side end surface of the cylinder barrel blank and the edge of the inner hole of the cylinder barrel blank; and the operator removes the finished cylinder barrel product from the machine tool. The inner hole of the cylinder barrel blank is stretched in the three-jaw claw by using the main shaft end and the tail seat end as processing references, so that the coaxiality of the product is higher, and the quality of the product is better.

Description

Method for machining hydraulic lifting cylinder barrel of forklift
Technical Field
The invention relates to a processing method of hydraulic lifting cylinder parts, in particular to a processing method of a hydraulic forklift lifting cylinder.
Background
The hydraulic lifting cylinder barrel of the forklift belongs to a part on a hydraulic lifting cylinder of the forklift, and is mainly used as a storage container of hydraulic oil of the hydraulic lifting cylinder and bears pressure and moment. Because the quality of the forklift hydraulic lifting cylinder barrel has direct influence on the service life of the whole forklift hydraulic lifting cylinder barrel, the processing precision, the coaxiality and the product consistency of the forklift hydraulic lifting cylinder barrel product are high.
The processing method of the forklift hydraulic lifting cylinder barrel common in the industry comprises the following steps: adopts a flat lathe body numerical control lathe, and the processing technology process is as follows: feeding, clamping the outer circle of a forklift hydraulic lifting cylinder blank by a three-jaw chuck hard jaw at the main shaft end, holding the outer circle of the blank at the position 50mm away from the end face by a hydraulic center frame at the other end, pressing a start button, and finishing the end face of the flat cylinder blank and the chamfering; the method comprises the steps of turning a workpiece by an operator, clamping a blank outer circle by a hard claw at the outer circle of a main shaft end, holding the outer circle of a cylinder barrel by a hydraulic center frame at the other end, pressing a start button, taking the total length of a machining end face and an inner chamfer angle, manually pushing a tailstock after machining is finished, enabling a center to prop against the end face of the cylinder barrel, moving the hydraulic center frame, pressing the start button, machining the bearing of the hydraulic center frame by adopting an outer circle turning tool, manually pushing the tailstock away (avoiding tool turret interference) by the hydraulic center frame at the process outer circle of the cylinder barrel, and machining the inner thread bevel angle of the cylinder barrel. At present, the machining mode has high labor intensity, an operator is required to manually turn around, the position of the hydraulic center frame and the position of the tailstock are manually adjusted, the outer circle of the cylinder barrel blank is used as a positioning reference, the positioning precision is low, the machining time is long, the problem in the industry is not solved effectively all the time, and an automatic machining scheme which has the advantages of high efficiency, capability of machining in batches, capability of guaranteeing high consistency of products, wide applicability and capability of guaranteeing the machining precision is urgently needed to improve and guarantee the machining quality, and the labor intensity of workers is reduced.
The processed forklift hydraulic lifting cylinder barrel blank is shown in fig. 1: cylinder barrel blank in the processing technology: the material is 20# steel, a cold drawn pipe, the outer circle is a blank surface, a link plate is connected with the outer wall of the cylinder barrel through welding, and the inner hole of the cylinder barrel blank is processed, and the size is phi 85; meanwhile, the total length of the blank 910+/-1 and the overall dimension of the link plate are already given, and the link plate is connected with the cylinder barrel through a welding mode.
Disclosure of Invention
The invention aims to solve the technical problem of providing a forklift hydraulic lifting cylinder barrel processing method, which has the advantages of excellent processing technology, strong universality and good product consistency.
In order to solve the technical problems, the invention provides a processing method of a forklift hydraulic lifting cylinder barrel, which comprises the following steps:
a) Clamping a cylinder barrel blank:
Placing a cylinder barrel blank in a machine tool, placing the cylinder barrel blank on a bracket of the machine tool by an operator, then placing an inner hole of the cylinder barrel blank at a clamping position of a main shaft claw by the operator, clamping an outer circle of the cylinder barrel blank by a hydraulic center frame, and supporting the inner hole of the cylinder barrel blank by the main shaft claw;
b) Processing a cylinder barrel process circle:
the tail seat chuck is driven by a servo motor, the claw of the tail seat chuck is moved to a designated position of the inner hole of the cylinder barrel, the claw of the tail seat chuck tightly props up the inner hole of the cylinder barrel blank, and then a machine tool is operated to enable a cutter to process a cylinder barrel process circle;
c) And (3) carrying out right side dimension processing on the cylinder barrel blank:
After the process circle of the cylinder barrel blank is processed, the hydraulic center frame is clamped, the claw of the tailstock chuck is contracted, and the claw leaves the range of the inner hole of the cylinder barrel blank and retreats to a position which is not interfered with the cutter on the cutter tower during processing;
Machining the right end face of the cylinder barrel blank, and machining a 15-degree oblique angle, a 45-degree oblique angle, internal threads M90x2-6H and a chamfer angle R2 of an inner hole on the right side of the cylinder barrel blank;
d) And (3) machining the left side dimension of the cylinder barrel blank:
After the right side of the cylinder barrel blank is processed, a cutter on a cutter tower moves to the left side end of the cylinder barrel blank, a clearance space for cutter operation is arranged between a main shaft chuck and the end face of the cylinder barrel blank, the left outer circle size, the circular arc R2 and the 70-degree bevel angle of the cylinder barrel blank are processed, and the R0.5 chamfer angle is formed between the left end face of the cylinder barrel blank and the edge of an inner hole of the cylinder barrel blank;
e) Taking:
the left side main shaft claw is loosened, the hydraulic center frame is loosened, an operator blows off the workpiece, and the operator takes down the finished cylinder finished product after processing from the machine tool.
The processing process flow in the processing method of the hydraulic lifting cylinder barrel of the forklift is as follows: the method comprises the steps of manual feeding, main shaft chuck tightening, tailstock moving, inner wall of an inner supporting cylinder barrel, outer circle of a processing technology, hydraulic center frame clamping, automatic tail stock withdrawing, end face processing, inner hole and inner thread processing, moving a cutter tower to a main shaft end, outer chamfering of the processing cylinder barrel, inner hole flanging, main shaft claw loosening, hydraulic center frame loosening, workpiece blowing by an operator, and manual blanking.
After the method is adopted, the inner hole of the cylinder barrel blank is stretched in the three-jaw clamping jaw at the main shaft end and the tail seat end as the processing reference, and compared with the traditional method which uses the outer circle of the cylinder barrel blank as the processing reference, the coaxiality of the product is higher, and the quality of the product is better.
In the step a), a 10-inch chuck is selected as a main shaft chuck of a machine tool, an 8-inch chuck is selected as a tailstock chuck, wherein the tailstock chuck is a follow-up chuck, has no rotation force and mainly plays a role in supporting a workpiece; the main shaft chuck sets up two V type brackets in the middle of the lathe left side, and the hydraulic center frame sets up on V type bracket right side, and tailstock chuck sets up on hydraulic center right side, and V type bracket passes through the bolt and is connected with V type bracket extension board.
After the method is adopted, the hydraulic center frame and the movable chuck tailstock are utilized to replace the traditional machine tool parts such as the center frame, the tailstock and the like which need manual adjustment by operators, so that the labor intensity of workers is reduced.
The hydraulic center frame replaces the traditional manual center frame, so that the actions of manually adjusting the positions of different products are reduced; meanwhile, the hydraulic center frame is self-centering and automatically clamped, manual work actions of operators are reduced, and labor intensity of workers is reduced.
As the optimization of this fork truck hydraulic pressure lift cylinder processing method, the main shaft jack catch outer wall of main shaft chuck is equipped with the recess that supplies nonstandard cutter processing operation, and when jack catch and the centre gripping contact of cylinder blank hole of main shaft chuck were fixed, cylinder blank left end was in the recess outside of main shaft chuck.
As the optimization of this fork truck hydraulic pressure lift cylinder processing method, be equipped with three group's jack catch subassemblies on the chuck tailstock end, the jack catch subassembly includes female claw, slider and son claw, and female claw and slider are through a plurality of bolts detachable connection fixed, and female claw and son claw are also through a plurality of bolts fixed connection, and female claw is in between slider and the son claw, and the slider outer wall is equipped with the contact surface with cylinder blank inner wall complex.
After the method is adopted, the chuck tailstock is provided with a motor drive, and the movement and the position of the tailstock on a machine tool can be controlled through a processing program, so that the traditional process of manually adjusting the position of the tailstock is omitted.
As the optimization of the hydraulic lifting cylinder barrel processing method of the forklift, the lathe bed of the machine tool adopts an inclined lathe bed. By adopting the method, the stability in the processing process is increased.
As the preferential of this fork truck hydraulic pressure lift cylinder processing method, the V type bracket is in the lathe main shaft processing central line under, adopts this kind of method, because the hydraulic pressure center rest presss from both sides tightly and takes time, at this moment the operator can place the blank on the V type bracket, reduces workman intensity of labour.
As the optimization of this fork truck hydraulic pressure lift cylinder processing method, the cutter is nonstandard cutter, the cutter includes cutter arbor, blade and bolt, and the blade passes through the bolt fastening on the cutter arbor.
The forklift hydraulic lifting cylinder barrel processing method has the beneficial effects that:
1. The automatic clamping and loosening of the hydraulic center frame is realized in the machining process, and the tailstock automatically moves for machining, so that the problems of high labor intensity and low efficiency after the hydraulic center frame and the tailstock are manually adjusted are solved.
2. The hydraulic center frame and the movable chuck tailstock are adopted to replace the traditional machine tool parts such as the center frame, the chuck tailstock and the like which need manual adjustment by operators, so that the labor intensity of workers is reduced.
3. The operator only has feeding and discharging actions, the rest is automatically processed by a machine tool program, and the consistency of the product is higher than that of the traditional manual processing. The manual participation action is few, the program method is simple, the universality is strong, and the method can be suitable for batch processing of cylinder barrels with different inner diameter specifications.
Drawings
The prior art forklift hydraulic lifting cylinder blank of fig. 1 is a schematic structural view.
Fig. 2 is a finished product diagram of a hydraulic lifting cylinder part of the forklift in an embodiment of the hydraulic lifting cylinder processing method of the forklift.
Fig. 3 is a schematic diagram of a cylinder clamping form after feeding in step a) in the embodiment of the hydraulic lifting cylinder processing method of the forklift.
Fig. 4 is a top view of a schematic diagram of a cylinder clamping form during turning a process circle in step b) in an embodiment of the hydraulic lifting cylinder processing method of the forklift.
Fig. 5 is a schematic top view of a cylinder clamping form when the right side of the cylinder is machined in step c) in the embodiment of the hydraulic lifting cylinder machining method of the forklift.
Fig. 6 is a schematic top view of the hydraulic lifting cylinder of the forklift in the embodiment of the method for machining the left side of the cylinder in step d).
Fig. 7 is a schematic diagram of a three-jaw used for a spindle chuck in an embodiment of a hydraulic lifting cylinder processing method of a forklift.
Fig. 8 is a schematic diagram of a jaw assembly used by a chuck tailstock in an embodiment of a hydraulic lift cylinder processing method of the forklift.
Fig. 9 is a schematic diagram of a nonstandard tool in an embodiment of the hydraulic lifting cylinder processing method of the forklift.
Fig. 10 is a schematic diagram of a machine tool in an embodiment of the hydraulic lifting cylinder processing method of the forklift.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 10, a spindle chuck 1 is arranged on the left side of a machine tool, two V-shaped brackets 2 are arranged in the middle of the spindle chuck 1, a hydraulic center frame 3 is arranged on the right side of the V-shaped brackets 2, a tailstock chuck 4 is arranged on the right side of the hydraulic center, a cutter 5 turret is arranged above the tailstock chuck 4, and the V-shaped brackets 2 are connected with support plates of the V-shaped brackets 2 through bolts.
The V-shaped bracket 2 is positioned right below the machining center line of the main shaft of the machine tool, and because the hydraulic center frame 3 is clamped for a long time, an operator can place a blank on the V-shaped bracket, so that the labor intensity of workers is reduced, the machine tool body adopts an inclined machine body, and the stability in the machining process is improved.
The V-shaped bracket 2 comprises a first bracket plate 21, a second bracket plate 22 and an adjusting bolt 23, wherein a waist-shaped hole 21a which runs vertically is formed in the first bracket plate 21, the adjusting bolt 23 penetrates through the waist-shaped holes 21a of the second bracket plate 22 and the first bracket plate 21 and then is fixed, and the V-shaped bracket 2 can realize the adjustment of the vertical height of the V-shaped bracket 2 by adjusting the position of the waist-shaped hole 21 a; simultaneously, the two V-shaped brackets 2 are mainly used for temporarily storing the cylinder barrel 61 during feeding and discharging.
As shown in fig. 7, a 10-inch chuck is selected as a spindle chuck 1 of a machine tool, a non-standard three-jaw chuck is selected as the spindle chuck 1, the spindle chuck 1 comprises three jaws 11, the jaws 11 are of an integral structure, and one jaw 11 is connected with the spindle chuck 1 through a bolt and a sliding block 42; wherein the arc surface with the dimension phi 85 is a clamping contact surface of the clamping jaw 11 and the inner hole of the cylinder barrel 61.
The outer wall of the claw 11 of the main shaft chuck 1 is provided with a groove 11a for nonstandard tool processing operation, and when the claw 11 of the main shaft chuck 1 is fixedly contacted with the clamping of the inner hole of the cylinder barrel blank, the left end of the cylinder barrel blank is positioned outside the groove 11a of the main shaft chuck 1.
As shown in fig. 8, an 8-inch chuck is selected as the tailstock chuck 4, the end of the tailstock chuck 4 is provided with a jaw assembly, the jaw assembly comprises a female jaw 41, a sliding block 42 and a sub-jaw 43, the female jaw 41 and the sliding block 42 are detachably connected and fixed through a plurality of bolts, the female jaw 41 and the sub-jaw 43 are fixedly connected through a plurality of bolts, the female jaw 41 is positioned between the sliding block 42 and the sub-jaw 43, the sub-jaw 43 is arranged on the tailstock chuck 4 of the machine tool, the sub-jaw 43 and the female jaw 41 are positioned through an arc phi 50.5, and the advantages of replacing the sub-jaw 43 and the female jaw 41 with different specifications during production are realized by replacing only two bolts, and meanwhile, the price is cheaper than that of an integral structure; the arc phi 85 of the sub-pawl 43 is the clamping contact surface of the pawl assembly with the inner bore of the cylinder 61.
The tailstock chuck 4 is a follow-up chuck, has no rotation force and mainly plays a role in supporting a workpiece.
The special machine tool for the forklift hydraulic lifting cylinder barrel processing method is combined with the characteristic structure, and the forklift hydraulic lifting cylinder barrel processing method is specifically introduced and comprises the following steps:
a) Clamping a cylinder barrel blank:
Referring to fig. 3, a cylinder barrel blank is placed in a machine tool, an operator holds a cylinder barrel 61 blank by hands and places the cylinder barrel 61 blank on a machine tool bracket, then the operator places an inner hole of the cylinder barrel 61 blank at a clamping position of a main shaft claw by hands, the operator clicks a clamping button of a hydraulic center frame 3, the hydraulic center frame 3 clamps an outer circle of the cylinder barrel 61 blank, and a main shaft end claw supports the inner hole of the cylinder barrel 61 blank;
The hydraulic center frame 3 can be driven by a cutter 5 and a cutter tower to move in the Z-direction, the tailstock chuck 4 is provided with a servo motor, and the hydraulic center frame can be driven by the servo motor to move in the Z-axis direction.
B) Processing a cylinder 61 process circle:
referring to fig. 4, after the operation in step a) is completed, the tailstock chuck 4 is driven by a servo motor to move the jaws on the tailstock chuck 4 to a specified position in the inner hole of the cylinder 61, and then the machine tool is operated to make the cutter 5 process the cylinder 61;
c) And (3) carrying out right side dimension processing on the cylinder barrel blank:
After the process circle of the cylinder barrel blank in the step c) is processed, the hydraulic center frame 3 is clamped, the clamping jaw of the tailstock chuck 4 is contracted, the clamping jaw at the tailstock end leaves the inner hole range of the cylinder barrel 61 under the driving of the servo motor at the tailstock chuck 4, and the clamping jaw is retreated to a position which does not interfere with the processing of the cutter 5 on the cutter tower, and at the moment, the clamping form and the tailstock position are shown in fig. 5: the cylinder 61 is clamped when the right side of the cylinder 61 is machined. The machining content when the right side of the cylinder barrel 61 is machined is the inner bevel angle alpha with the size of 15 degrees, the width is 3.1, and the size phi is ensured to be 92.4; the machining internal bevel angle beta is 45 degrees, the internal threads M90x2-6H are machined, the length dimension is ensured to be 30, and the internal bevel angle R2 is chamfered.
D) And (3) machining the left side dimension of the cylinder barrel blank:
After the right side of the cylinder barrel blank is processed, the cutter 5 on the cutter tower moves to the left side end of the cylinder barrel blank, a clearance space for the cutter 5 to work is arranged between the main shaft chuck 1 and the end face of the cylinder barrel blank, the outer circle dimension phi 88, the circular arc R2 and the inclined angle gamma of 70 degrees of the left side of the processing cylinder barrel 61 are processed, and the clamping mode and the tailstock position are shown in fig. 6.
The cutter 5 is a nonstandard cutter, a schematic view of the nonstandard cutter is shown in fig. 9, the cutter 5 comprises a cutter bar 51, a cutter blade 52 and a bolt, and the cutter blade 52 is fixed on the cutter bar 51 through the bolt.
The R0.5 chamfer at the left end face of the cylinder barrel 61 and the inner hole edge of the cylinder barrel 61 is formed, and because the common standard cutter 5 cannot be processed, the cutter 5 adopts a non-standard cutter to process the R0.5 chamfer at the left end face of the cylinder barrel 61 and the inner hole edge of the cylinder barrel 61, and the claw of the main shaft chuck 1 is designed into a groove 11a structure, so that a non-standard cutter processing space is reserved.
E) Taking:
The jaws 11 of the left spindle chuck 1 are released, the hydraulic centre frame 3 is released, the operator blows off the workpiece, and the operator removes the finished cylinder 61 from the machine.
As shown in fig. 2, parameters of the hydraulic lifting cylinder obtained by the forklift hydraulic lifting cylinder processing method are as follows: the machining size is 901+/-0.5 of the total length, and the distance between the center line of the link plate 62 and the left end face of the cylinder barrel 61 is required to be 520+/-0.5; the outer circle dimension phi 88, the circular arc R2 and the oblique angle gamma of 70 degrees at the left side of the cylinder barrel 61; chamfering R0.5 at the left end face of the cylinder 61 and the edge of the inner hole of the cylinder 61 (mainly used for removing flanging of the edge of the inner hole when turning the left end face of the cylinder 61); the right side of the cylinder barrel 61 is processed to have an inner bevel angle alpha of 15 degrees and a width of 3.1, and the dimension phi is ensured to be 92.4; and machining an internal bevel angle beta of 45 degrees and internal threads M90x2-6H, ensuring the length dimension 30 and chamfering a fillet R2.
The hydraulic center frame is a commercially available mature product, in particular a self-centering hydraulic center frame, which is purchased from Texas sea mechanical equipment limited company.
The foregoing is merely one embodiment of the invention, and it should be noted that variations and modifications could be made by those skilled in the art without departing from the principles of the invention, which would also be considered to fall within the scope of the invention.

Claims (7)

1. A forklift hydraulic lifting cylinder barrel processing method comprises the following steps:
a) Clamping a cylinder barrel blank:
Placing a cylinder barrel blank in a machine tool, placing the cylinder barrel blank on a bracket of the machine tool by an operator, then placing an inner hole of the cylinder barrel blank at a clamping position of a main shaft claw by the operator, clamping an outer circle of the cylinder barrel blank by a hydraulic center frame, and supporting the inner hole of the cylinder barrel blank by the main shaft claw;
b) Processing a cylinder barrel process circle:
Under the drive of a servo motor, the tailstock chuck jaws are moved to the appointed position of the inner hole of the cylinder barrel, and then a machine tool is operated to enable a cutter to process the cylinder barrel process circle;
c) And (3) carrying out right side dimension processing on the cylinder barrel blank:
After the process circle of the cylinder barrel blank is processed, the hydraulic center frame is clamped, the claw of the tailstock chuck is contracted, and the claw leaves the range of the inner hole of the cylinder barrel blank and retreats to a position which is not interfered with the cutter on the cutter tower during processing;
Machining the right end face of the cylinder barrel blank, and machining a 15-degree oblique angle, a 45-degree oblique angle, internal threads M90x2-6H and a chamfer angle R2 of an inner hole on the right side of the cylinder barrel blank;
d) And (3) machining the left side dimension of the cylinder barrel blank:
After the right side of the cylinder barrel blank is processed, a cutter on a cutter tower moves to the left side end of the cylinder barrel blank, a clearance space for cutter operation is arranged between a main shaft chuck and the end face of the cylinder barrel blank, the left outer circle size, the circular arc R2 and the 70-degree bevel angle of the cylinder barrel blank are processed, and the R0.5 chamfer angle is formed between the left end face of the cylinder barrel blank and the edge of an inner hole of the cylinder barrel blank;
e) Taking:
the left side main shaft claw is loosened, the hydraulic center frame is loosened, an operator blows off the workpiece, and the operator takes down the finished cylinder finished product after processing from the machine tool.
2. The method for machining the hydraulic lifting cylinder barrel of the forklift truck according to claim 1, wherein the method comprises the following steps of:
In the step a), a 10-inch chuck is selected as a main shaft chuck of the machine tool, an 8-inch chuck is selected as a tailstock chuck, wherein the tailstock chuck is a follow-up chuck, has no rotation force and mainly plays a role in supporting a workpiece; the main shaft chuck sets up two V type brackets in the middle of the lathe left side, and the hydraulic center frame sets up on V type bracket right side, and tailstock chuck sets up on hydraulic center right side, and V type bracket passes through the bolt and is connected with V type bracket extension board.
3. The method for machining the hydraulic lifting cylinder barrel of the forklift truck according to claim 2, which is characterized by comprising the following steps of:
The outer wall of the main shaft claw of the main shaft chuck is provided with a groove for nonstandard cutter processing operation, and when the claw of the main shaft chuck is fixedly contacted with the clamping of the inner hole of the cylinder barrel blank, the left end of the cylinder barrel blank is positioned at the outer side of the groove of the main shaft chuck.
4. The method for machining the hydraulic lifting cylinder barrel of the forklift truck according to claim 3, which is characterized by comprising the following steps of:
Be equipped with three groups of jack catch assemblies on the chuck tailstock end, jack catch assembly includes female claw, slider and sub-claw, and female claw is fixed through a plurality of bolts detachable connection with the slider, and female claw and sub-claw are also through a plurality of bolt fixed connection, and female claw is in between slider and the sub-claw, and the slider outer wall is equipped with the contact surface with cylinder blank inner wall complex.
5. The method for machining the hydraulic lifting cylinder barrel of the forklift truck according to claim 4, which is characterized in that:
the lathe bed of the machine tool adopts an inclined lathe bed.
6. The method for machining the hydraulic lifting cylinder barrel of the forklift truck according to claim 5, wherein the method comprises the following steps of:
the V-shaped bracket is positioned right below the machining center line of the machine tool spindle.
7. The method for machining the hydraulic lifting cylinder barrel of the forklift truck according to claim 1, wherein the method comprises the following steps of:
the cutter is a nonstandard cutter, and the cutter comprises a cutter bar, a blade and a bolt, wherein the blade is fixed on the cutter bar through the bolt.
CN202211320169.6A 2022-10-26 Method for machining hydraulic lifting cylinder barrel of forklift Active CN115502670B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211320169.6A CN115502670B (en) 2022-10-26 Method for machining hydraulic lifting cylinder barrel of forklift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211320169.6A CN115502670B (en) 2022-10-26 Method for machining hydraulic lifting cylinder barrel of forklift

Publications (2)

Publication Number Publication Date
CN115502670A CN115502670A (en) 2022-12-23
CN115502670B true CN115502670B (en) 2024-06-21

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104084759A (en) * 2014-06-23 2014-10-08 河南伟彤科技股份有限公司 Device and method for processing cylinder barrel blank of hydraulic cylinder
CN112192147A (en) * 2020-09-01 2021-01-08 山东本图液压科技有限公司 Internal and external integrated machining process for cylinder barrel of hydraulic oil cylinder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104084759A (en) * 2014-06-23 2014-10-08 河南伟彤科技股份有限公司 Device and method for processing cylinder barrel blank of hydraulic cylinder
CN112192147A (en) * 2020-09-01 2021-01-08 山东本图液压科技有限公司 Internal and external integrated machining process for cylinder barrel of hydraulic oil cylinder

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