CN118527704B - A barrel-shaped precision component inner cavity processing equipment - Google Patents
A barrel-shaped precision component inner cavity processing equipment Download PDFInfo
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- CN118527704B CN118527704B CN202410536050.5A CN202410536050A CN118527704B CN 118527704 B CN118527704 B CN 118527704B CN 202410536050 A CN202410536050 A CN 202410536050A CN 118527704 B CN118527704 B CN 118527704B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
本发明涉及桶形零部件加工技术领域，具体是一种桶形精密部件内腔加工设备，包括固定座和活动座；固定座和活动座之间通过传动组件连接；所述固定座上设有夹持单元；活动座上设有加工单元；所述夹持单元包括支架，支架上设有夹持组件和驱动组件；所述夹持组件用于夹持桶形零部件；所述驱动组件用于驱动夹持组件做回转运动；本发明中，驱动组件控制转体带动桶形零部件转动，且能够实现高精度控制桶形零部件转动角度，保证加工精度，同时加工单元的设置，实现加工组件高度调整，从而保证加工深度精确度，以及夹持组件、驱动组件以及加工单元安装执行逻辑顺序运行，能够减少人工的参与，降低人工与该加工设备的接触机会，从而提高加工安全性。
The present invention relates to the technical field of barrel-shaped parts processing, and specifically to a barrel-shaped precision parts inner cavity processing equipment, comprising a fixed seat and a movable seat; the fixed seat and the movable seat are connected by a transmission assembly; a clamping unit is provided on the fixed seat; a processing unit is provided on the movable seat; the clamping unit comprises a bracket, and a clamping assembly and a driving assembly are provided on the bracket; the clamping assembly is used to clamp the barrel-shaped parts; the driving assembly is used to drive the clamping assembly to perform a rotary motion; in the present invention, the driving assembly controls the swivel to drive the barrel-shaped parts to rotate, and can realize high-precision control of the rotation angle of the barrel-shaped parts to ensure processing accuracy. At the same time, the setting of the processing unit realizes the height adjustment of the processing assembly, thereby ensuring the accuracy of the processing depth, and the clamping assembly, the driving assembly and the processing unit are installed to execute logical sequence operation, which can reduce manual participation and reduce the chance of manual contact with the processing equipment, thereby improving processing safety.
Description
Technical Field
The invention relates to the technical field of barrel-shaped part machining, in particular to barrel-shaped precise part inner cavity machining equipment.
Background
The barrel-shaped precise part, namely the concave cavity structural part, has the advantages that the processing operation of the outer surface of the part is convenient, but the processing of the inner cavity of the part is difficult due to the limitation of the inner cavity space of the part.
When milling through CNC machining center carries out the milling of inner chamber, the certain position processing of inner chamber is accomplished, later needs the angle of this barrel-shaped accurate part of manual regulation, rotate this barrel-shaped accurate part promptly, will wait to process the position and rotate to the position relative with milling cutter, if this barrel-shaped accurate part processing position point is more, and need to mill after the processing at every processing point and finish once, not only the work load is big, inefficiency, machining precision is difficult to guarantee simultaneously to and adjust at every turn, the manual work all can closely contact with processing equipment or device, can increase the danger.
Therefore, a barrel-shaped precise component inner cavity machining device is provided for solving the problems.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The invention solves the technical problems by adopting the technical scheme that the processing equipment for the inner cavity of the barrel-shaped precise part comprises a fixed seat and a movable seat, wherein the fixed seat and the movable seat are connected through a transmission assembly;
The clamping unit comprises a bracket, wherein a clamping assembly and a driving assembly are arranged on the bracket, the clamping assembly is used for clamping barrel-shaped parts, and the driving assembly is used for driving the clamping assembly to do rotary motion;
The clamping assembly comprises a circular tube-shaped rotating body, the rotating body penetrates through and is rotationally connected to the support, a plurality of groups of base blocks are uniformly and fixedly connected to two end faces of the rotating body, clamping blocks are arranged between each group of base blocks, and the clamping blocks can clamp barrel-shaped parts inserted into the rotating body;
The processing unit comprises hydraulic cylinders symmetrically arranged on the movable seat, the output ends of the hydraulic cylinders are fixedly connected with brackets, the brackets are fixedly connected with rotary motors, the output ends of the rotary motors point to the clamping units, and processing components are fixedly connected with the output ends of the rotary motors and used for processing the inner surfaces of barrel-shaped parts.
Preferably, each group of base blocks consists of two symmetrically arranged base blocks, the inner side wall of each base block is provided with a sliding groove, and two adjacent sliding grooves are connected with a clamping block in a sliding manner through a reset spring;
the extrusion assembly comprises a piston cylinder and a piston rod, one end of the piston rod is propped against the rear end face of the clamping block, the other end of the piston rod is connected in the piston cylinder in a sealing and sliding manner, an oil injection hole is formed in the end part of the piston cylinder, and a blocking mechanism is arranged in the oil injection hole;
The bracket is provided with a plurality of oiling assemblies which are matched with the extrusion assemblies one by one, and the oiling assemblies can inject hydraulic oil into the piston cylinder;
Preferably, each oiling component comprises a sliding block, each sliding block is slidably connected to the end face of the support, each sliding block is pushed to move by the air cylinder, insertion pipes are symmetrically arranged on the front end face of each sliding block and communicated with external oil pipes, the insertion pipes are matched with oil injection holes in the end portions of the piston cylinders, and the end portions of the insertion pipes are provided with U-shaped oil outlets.
Preferably, the transmission assembly comprises a transmission motor and a screw rod, one end of the screw rod is connected to the lower surface of the movable seat in a transmission way, the other end of the screw rod extends downwards the fixed seat, and the other end of the screw rod is fixedly connected with an output end of the transmission motor.
Preferably, the driving assembly comprises a driving motor, a gear and a toothed ring, wherein the toothed ring is fixedly connected to the outer surface of the rotating body and meshed with the transmission gear, the gear is rotatably connected inside the bracket, the end part of the gear is fixedly connected with the output end of the driving motor, and the driving motor is fixedly connected to the bracket.
Preferably, the processing assembly comprises a cross rod fixedly connected to the output end of the rotary motor, the end part of the cross rod is fixedly connected with the processing motor, and the output end of the processing motor is fixedly connected with a milling cutter.
Preferably, a conductive component is arranged between the end shell of the rotary motor and the cross rod, and comprises a fixed ring fixedly connected to the end shell of the rotary motor and a movable ring fixedly connected to the cross rod;
The back of the fixed ring is fixedly connected with a wire, and the front of the fixed ring is provided with a plurality of groups of conducting rods;
The front of the movable ring is provided with an annular groove which is matched with the conducting rod, and the conducting rod can be rotationally connected in the annular groove.
Preferably, the end surface of each conducting rod is provided with a rotary groove, the rotary groove is rotationally connected with a roller body, and the roller body is attached to the inner surface of the rotary groove to rotate.
Preferably, a plurality of oil channels are formed in the surface of the blocking head.
Preferably, each plugging head is provided with a ring-shaped sealing strip on the plugging surface, and the sealing strips can be extruded on the inner side wall of the oil filling hole.
The invention has the advantages that:
1. According to the invention, the driving assembly controls the swivel to drive the barrel-shaped part to rotate, the rotation angle of the barrel-shaped part can be controlled with high precision, the machining precision is ensured, meanwhile, the machining unit is arranged, and the height adjustment of the machining assembly is realized, so that the machining depth precision is ensured, and the clamping assembly, the driving assembly and the machining unit are installed and execute logic to run sequentially, so that the participation of manpower can be reduced, the contact opportunity of the manpower and the machining equipment is reduced, and the machining safety is improved.
2. Under the elasticity of the pressure spring, the plugging head resets and plugs the oil filling hole, hydraulic oil is reserved in the piston cylinder at the moment, the piston rod can continuously prop against the clamping block through the hydraulic oil, the clamping block can clamp the barrel-shaped part for a long time, stability of the barrel-shaped part during machining is guaranteed, and high-precision machining of the barrel-shaped part is facilitated.
Drawings
FIG. 1 is a perspective view of a first perspective of a barrel-shaped precision part cavity machining apparatus of the present invention;
FIG. 2 is a second perspective view of the barrel-shaped precision part cavity machining apparatus of the present invention;
FIG. 3 is a third perspective view of the barrel-shaped precision part cavity machining apparatus of the present invention;
FIG. 4 is a front view of the barrel-shaped precision part cavity machining apparatus of the present invention;
FIG. 5 is a side view of a barrel-shaped precision part cavity machining apparatus of the present invention;
FIG. 6 is a perspective view showing the cooperation of the rotator and the toothed ring according to the present invention;
FIG. 7 is a perspective view of a retaining ring according to the present invention;
FIG. 8 is a side view of a retaining ring of the present invention;
FIG. 9 is a first perspective view of a movable ring according to the present invention;
FIG. 10 is a second perspective view of the movable ring of the present invention;
FIG. 11 is a perspective view of the base block and clamp block of the present invention;
FIG. 12 is a cross-sectional view of a base block of the present invention;
FIG. 13 is a cross-sectional view of a piston cartridge and piston rod of the present invention;
FIG. 14 is a schematic view of a slider according to the present invention;
Fig. 15 is a perspective view of a stopper according to the present invention.
In the figure, 1, a fixed seat, 2, a movable seat, 3, a bracket, 4, a swivel, 5, a base block, 6, a clamping block, 7, a hydraulic cylinder, 8, a bracket, 9, a rotary motor, 10, a chute, 11, a return spring, 12, a piston cylinder, 13, a piston rod, 14, an oil filling hole, 15, a pressure spring, 16, a plugging head, 17, a transmission motor, 18, a screw rod, 19, a driving motor, 20, a gear, 21, a toothed ring, 22, a sliding block, 23, a movable ring, 24, a cylinder, 25, a cannula, 26, an oil outlet, 27, a cross rod, 28, a processing motor, 29, a fixed ring, 30, a conducting rod, 31, an annular groove, 32, a roller body, an oil duct, 34, a sealing strip, 35 and a shield.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1-15, the processing equipment for the inner cavity of the barrel-shaped precise component comprises a fixed seat 1 and a movable seat 2, wherein the fixed seat 1 and the movable seat 2 are connected through a transmission assembly, a clamping unit is arranged on the fixed seat 1, and a processing unit is arranged on the movable seat 2;
The clamping unit comprises a bracket 3, wherein a clamping assembly and a driving assembly are arranged on the bracket 3, the clamping assembly is used for clamping barrel-shaped parts, and the driving assembly is used for driving the clamping assembly to do rotary motion;
the clamping assembly comprises a circular tube-shaped rotating body 4, the rotating body 4 penetrates through and is rotatably connected to the bracket 3, a plurality of groups of base blocks 5 are uniformly and fixedly connected to two end faces of the rotating body 4, clamping blocks 6 are arranged between each group of base blocks 5, and the clamping blocks 6 can clamp barrel-shaped parts inserted into the rotating body 4;
The processing unit comprises hydraulic cylinders 7 symmetrically arranged on the movable seat 2, a bracket 8 is fixedly connected to the output end of each hydraulic cylinder 7, a rotary motor 9 is fixedly connected to the bracket 8, the output end of each rotary motor 9 points to the clamping unit, and a processing assembly is fixedly connected to the output end of each rotary motor 9 and is used for processing the inner surface of the barrel-shaped part;
The specific operation process of the designed barrel-shaped precise component inner cavity machining equipment comprises the steps of firstly feeding barrel-shaped components, mounting the barrel-shaped components on a bracket 3, arranging the barrel-shaped components in a swivel 4, driving a clamping assembly at the same time, and enabling the opening ends of the barrel-shaped components to face a machining unit; the clamping block 6 clamps the barrel-shaped part, then the transmission assembly is operated, the transmission assembly moves the processing unit towards the barrel-shaped part, the processing assembly extends into the barrel-shaped part, and then the hydraulic cylinder 7 is operated, the height of the bracket 8 is adjusted by the hydraulic cylinder 7, and the adjustment of the space between the processing assembly and the inner cavity of the barrel-shaped part is realized; after the processing of a certain position point in the inner cavity of the barrel-shaped part is finished, the hydraulic cylinder 7 drives the processing assembly to ascend, so that the processing assembly is far away from the inner cavity of the barrel-shaped part, then the driving assembly is operated, the driving assembly controls the rotating body 4 to rotate, the rotating body 4 drives the barrel-shaped part to rotate for a certain angle and then to pause, and then the hydraulic cylinder 7 drives the processing assembly to approach the position point to be processed, and the actions are repeated;
according to the invention, the driving assembly controls the swivel 4 to drive the barrel-shaped part to rotate, the rotation angle of the barrel-shaped part can be controlled with high precision, the machining precision is ensured, meanwhile, the machining unit is arranged, and the height adjustment of the machining assembly is realized, so that the machining depth precision is ensured, and the clamping assembly, the driving assembly and the machining unit are installed and execute logic to run sequentially, so that the participation of manpower can be reduced, the contact opportunity of the manpower and the machining equipment is reduced, and the machining safety is improved.
Referring to fig. 1-5 and fig. 11-2, each group of base blocks 5 consists of two symmetrically arranged base blocks 5, a sliding groove 10 is formed in the inner side wall of each base block 5, and two adjacent sliding grooves 10 are connected with a clamping block 6 in a sliding manner through a return spring 11;
The extrusion assembly comprises a piston cylinder 12 and a piston rod 13, wherein one end of the piston rod 13 is propped against the rear end face of the clamping block 6, the other end of the piston rod 13 is connected in the piston cylinder 12 in a sealing sliding manner, an oil filling hole 14 is formed in the end part of the piston cylinder 12, and a blocking mechanism is arranged in the oil filling hole 14, the blocking mechanism comprises a pressure spring 15 and a blocking plug 16, and the blocking plug 16 is blocked at the position of the oil filling hole 14 through the pressure spring 15;
The support 3 is provided with a plurality of oiling assemblies which are matched with the extrusion assemblies one by one, the oiling assemblies can inject hydraulic oil into the piston cylinder 12, after the barrel-shaped parts are inserted into the swivel 4, the oiling assemblies are operated, hydraulic oil is injected into the oiling holes 14 by the oiling assemblies, the blocking heads 16 are retracted and do not block the oiling holes 14 any more, at the moment, the oiling holes 14 are communicated with the piston cylinder 12, hydraulic oil pushes the piston rods 13, the clamping blocks 6 are pushed to clamp the surfaces of the barrel-shaped parts, at the moment, the blocking heads 16 squeeze the pressure springs 15, when the oiling assemblies withdraw from the base block 5, the blocking heads 16 reset under the elasticity of the pressure springs 15 and block the oiling holes 14, at the moment, hydraulic oil is reserved in the piston cylinder 12, the hydraulic oil enables the piston rods 13 to continuously push against the clamping blocks 6, the clamping blocks 6 can clamp the barrel-shaped parts for a long time, stability of the barrel-shaped parts during machining is guaranteed, high-precision machining of the barrel-shaped parts is also facilitated, after the barrel-shaped parts are machined, the swivel 4 is reset through the driving assemblies, and at the moment, after the barrel-shaped parts are reset, the piston rods 13 are reset, the piston rods are reset through the driving assemblies, and the elastic force of the piston rods 6 are reset, and the piston rods 11 are reset.
Referring to fig. 1-15, each oiling assembly comprises a sliding block 22, each sliding block 22 is slidably connected to the end face of the bracket 3, each sliding block 22 is pushed to move by a cylinder 24, the front end face of each sliding block 22 is symmetrically provided with a cannula 25, the cannula 25 is communicated with an external oil pipe, the cannula 25 is matched with the oil injection hole 14 at the end part of the piston cylinder 12, and the end part of the cannula 25 is provided with a U-shaped oil outlet 26; before the processing equipment is used, the driving motor 19 drives the rotator 4 to reset, so that each oil filling hole 14 corresponds to a cannula 25 one by one, then barrel-shaped parts are placed into the rotator 4, then the cylinder 24 is driven, so that the cannula 25 is inserted into the oil filling hole 14 and props against the end face of the plugging head 16, the plugging head 16 moves towards the piston rod 13, the oil filling hole 14 is not plugged, an oil outlet 26 part of the cannula 25 is completely arranged in the oil filling hole 14, then an external oil pump is driven to fill hydraulic oil into the cannula 25, and flows into the piston cylinder 12 from the position of the oil outlet 26 to eject the piston rod 13;
When the barrel-shaped part is processed, the driving assembly drives the wheel body to rotate and reset, so that each oil injection hole 14 corresponds to each insertion pipe 25 one by one, then the cylinder 24 is driven, so that each insertion pipe 25 is inserted into each oil injection hole 14 and props against the end face of the plugging head 16, the plugging head 16 moves towards the direction of the piston rod 13, meanwhile, an oil pipe connected with the insertion pipe 25 and the oil pump are in an oil pumping state, the clamping block 6 withdraws and resets under the elasticity of the reset spring 11 connected with the clamping block 6, the piston rod 13 is extruded towards the direction of the piston cylinder 12, and hydraulic oil in the piston cylinder 12 is pressed into the insertion pipe 25 and flows back into an external oil cylinder;
The separation design of clamping component and oiling subassembly can guarantee that the rotation 4 drives barrel-shaped spare part and is rotary motion, and the rotary motion of barrel-shaped spare part improves the flexibility ratio of machining efficiency and processing mode, and adaptability is stronger.
Referring to fig. 1-5, the transmission assembly comprises a transmission motor 17 and a screw rod 18, one end of the screw rod 18 is in transmission connection with the lower surface of the movable seat 2, the other end of the screw rod 18 extends to the lower side of the fixed seat 1, the other end of the screw rod 18 is fixedly connected with an output end of the transmission motor 17, the fixed seat 1 and the movable seat 2 are both arranged on an operation table, the fixed seat 1 is fixedly arranged on the operation table, the movable seat 2 is slidably arranged on the operation table, when the distance between a processing unit and a clamping unit is controlled, the transmission motor 17 is controlled to drive the screw rod 18 to rotate, the screw rod 18 applies a pulling force to pull the movable seat 2 to translate on the operation table and be close to the fixed seat 1, the processing assembly is accurately extended to the depth of the cavity of the barrel-shaped part, meanwhile, a shield 35 is arranged above the screw rod 18, one end of the shield 35 is fixedly connected to the movable seat 2, the other end of the shield 35 moves along the lower surface of the fixed seat 1, and the shield 35 is used for protecting the screw rod 18, so as to prevent metal scraps generated during processing from falling onto a transmission connection point of the screw rod 18 and the movable seat 2, and the transmission connection of the screw rod 18 is damaged.
Referring to fig. 1-6, the driving assembly comprises a driving motor 19, a gear 20 and a toothed ring 21, wherein the toothed ring 21 is fixedly connected to the outer surface of the rotator 4, the toothed ring 21 is meshed with a transmission gear 20, the gear 20 is rotatably connected inside the bracket 3, the end part of the gear 20 is fixedly connected with the output end of the driving motor 19, the driving motor 19 is fixedly connected to the bracket 3, the driving motor 19 is controlled by a preset program to control the intermittent rotation of the driving motor 19, each rotation angle is controlled, the driving motor 19 drives the gear 20 to rotate, the gear 20 is meshed with the transmission toothed ring 21, meanwhile, the toothed ring 21 drives the rotator 4 to rotate, and barrel-shaped parts are fixed on the rotator 4 through a clamping block 6, so that the driving motor 19 can drive the barrel-shaped parts to rotate a certain angle accurately, and the precise machining of the barrel-shaped parts is ensured.
Referring to fig. 1-5, the processing assembly comprises a cross rod 27 fixedly connected to the output end of the rotary motor 9, a processing motor 28 is fixedly connected to the end part of the cross rod 27, a milling cutter is fixedly connected to the output end of the processing motor 28, the processing motor 28 conveys out and fixedly connected with the milling cutter, the processing cutter is perpendicular to the inner surface of the barrel-shaped part and is matched with the hydraulic cylinder 7, the adjustment of the feeding amount of the milling cutter is realized, and the surface processing of the inner cavity of the barrel-shaped part is flexibly realized.
Referring to fig. 1-10, a conductive component is arranged between the end shell of the rotary motor 9 and the cross rod 27, and comprises a fixed ring 29 fixedly connected to the end shell of the rotary motor 9 and a movable ring 23 fixedly connected to the cross rod 27;
The back of the fixed ring 29 is fixedly connected with a wire, and the front of the fixed ring 29 is provided with a plurality of groups of conducting rods 30;
The front surface of the movable ring 23 is provided with an annular groove 31 which is matched with the conductive rod 30, the conductive rod 30 can be rotationally connected in the annular groove 31, the rotary motor 9 drives the processing motor 28 to rotate through the cross rod 27, so that the processing motor 28 rotates to process the rotation of the milling cutter, the rotation of the milling cutter and the revolution around the axis of the cross rod 27 are realized, the rotation processing of the inner cavity of the barrel-shaped part can be performed, or the eccentric position of the inner cavity of the barrel-shaped part can be processed, when the axis of the cross rod 27 is coincident with the axis of the inner cavity of the barrel-shaped part, the rotation processing of the inner cavity of the barrel-shaped part can be performed, and when the axis of the cross rod 27 is not coincident with the axis of the inner cavity of the barrel-shaped part, the eccentric position of the inner cavity of the barrel-shaped part can be processed;
The processing motor 28 performs rotary motion by taking power supply of the processing motor 28 into consideration, a conductive component is arranged for the processing motor, an external wire is connected with a conductive rod 30, a fixed ring 29 is fixedly connected to an end shell of the rotary motor 9, the conductive rod 30 is inserted into an annular groove 31, an annular conductive plate is arranged in the annular groove 31 and is electrically contacted with the conductive rod 30, the conductive plate is electrically connected with the processing motor 28 through the wire, the rotary motor 9 drives a cross rod 27 to rotate, the movable ring 23 rotates, and meanwhile, the conductive rod 30 performs relative rotary motion in the conductive plate.
Referring to fig. 7 and 8, the end surface of each conductive rod 30 is provided with a rotary groove, the rotary groove is rotationally connected with a roller body 32, the roller body 32 is attached to the inner surface of the rotary groove for rotation, the end of the conductive rod 30 is provided with the rotary roller body 32, sliding friction between the conductive rod 30 and the conductive plate is converted into rolling friction between the roller body 32 and the conductive plate, abrasion of the conductive rod 30 is reduced, and the relative rotation smoothness of the movable ring 23 and the fixed ring 29 is improved.
Referring to fig. 15, the surface of the plugging head 16 is provided with a plurality of oil channels 33, the plugging head 16 is provided with the oil channels 33, after hydraulic oil is injected, the hydraulic oil can quickly flow into the piston cylinder 12 along the oil channels 33, the execution speed of the extending movement of the piston rod 13 is improved, the efficiency of clamping and fixing barrel-shaped parts is improved, and meanwhile, the execution speed of the resetting movement of the piston rod 13 can also be improved in the process of flowing the hydraulic oil out of the piston cylinder 12.
Referring to fig. 15, the sealing surface of each sealing head 16 is provided with a ring-shaped sealing strip 34, the sealing strips 34 can be extruded on the inner side wall of the oil filling hole 14, and the sealing strips 34 are arranged on the sealing heads 16, so that the sealing of the sealing heads 16 to the oil filling hole 14 is improved, and the possibility of discharging hydraulic oil is reduced.
The working principle is that the designed barrel-shaped precise component inner cavity machining equipment specifically comprises the following operation processes of firstly feeding barrel-shaped components, mounting the barrel-shaped components on a bracket 3, arranging the barrel-shaped components in a swivel 4, driving a clamping assembly, enabling the opening ends of the barrel-shaped components to face a machining unit, clamping the barrel-shaped components by a clamping block 6, then operating a transmission assembly, moving the machining unit towards the barrel-shaped components by the transmission assembly, enabling the machining assembly to extend into the barrel-shaped components, then operating a hydraulic cylinder 7, adjusting the height of a bracket 8 by the hydraulic cylinder 7, realizing the adjustment of the distance between the machining assembly and the barrel-shaped components, driving the machining assembly to ascend after the machining of a certain position point in the barrel-shaped components is finished, enabling the machining assembly to be far away from the barrel-shaped component inner cavity, then operating the driving assembly, controlling the swivel 4 to rotate, and then suspending the machining assembly by the hydraulic cylinder 7 to be close to the position point to be machined, repeating the above actions;
In the invention, the driving component controls the swivel 4 to drive the barrel-shaped part to rotate, the rotation angle of the barrel-shaped part can be controlled with high precision, the machining precision is ensured, meanwhile, the machining unit is arranged, and the height adjustment of the machining component is realized, so that the machining depth precision is ensured, and the clamping component, the driving component and the machining unit are installed and execute logic to run sequentially, so that the participation of manpower is reduced, the contact opportunity between the manpower and the machining equipment is reduced, and the machining safety is improved;
After the barrel-shaped part is inserted into the swivel 4, operating the oiling component, injecting hydraulic oil into the oil injection hole 14 by the oiling component, withdrawing the blocking head 16, and not blocking the oil injection hole 14 any more, wherein the oil injection hole 14 is communicated with the piston cylinder 12, the hydraulic oil pushes the piston rod 13, the piston rod 13 pushes the clamping block 6 to clamp the surface of the barrel-shaped part, the blocking head 16 presses the pressure spring 15, when the oiling component is withdrawn from the base block 5, the blocking head 16 resets under the elasticity of the pressure spring 15 and blocks the oil injection hole 14, and the hydraulic oil is reserved in the piston cylinder 12, so that the piston rod 13 can continuously support the clamping block 6, the clamping block 6 can clamp the barrel-shaped part for a long time, the stability of the barrel-shaped part during processing is ensured, and the barrel-shaped part is also processed with high precision;
The fixed seat 1 and the movable seat 2 are both arranged on an operation table, the fixed seat 1 is fixedly arranged on the operation table, the movable seat 2 is slidably arranged on the operation table, when the distance between a processing unit and a clamping unit is controlled, the transmission motor 17 is controlled to drive the screw rod 18 to rotate, the screw rod 18 applies a tensile force to pull the movable seat 2 to translate on the operation table and to be close to the fixed seat 1, the processing assembly is accurately extended to the depth of the cavity of the barrel-shaped part, meanwhile, a shield 35 is arranged above the screw rod 18, one end of the shield 35 is fixedly connected to the movable seat 2, the other end of the shield 35 moves along the lower surface of the fixed seat 1, and the shield 35 is used for protecting the screw rod 18 and preventing metal fragments generated by processing from dropping onto a transmission connection point between the screw rod 18 and the movable seat 2 and damaging the transmission connection between the screw rod 18 and the movable seat 2;
The drive motor 19 is controlled by a preset program to control the intermittent rotation of the drive motor 19 and each rotation angle, the drive motor 19 drives the gear 20 to rotate, the gear 20 is meshed with the transmission toothed ring 21, meanwhile, the toothed ring 21 drives the rotator 4 to rotate, and barrel-shaped parts are fixed on the rotator 4 through the clamping blocks 6, so that the drive motor 19 can drive the barrel-shaped parts to precisely rotate for a certain angle, and the precision machining of the barrel-shaped parts is ensured;
Before the processing equipment is used, the driving motor 19 drives the rotator 4 to reset, so that each oil filling hole 14 corresponds to one insertion pipe 25, then barrel-shaped parts are placed in the rotator 4, then the air cylinder 24 is driven, so that the insertion pipes 25 are inserted into the oil filling holes 14 and prop against the end face of the plugging head 16, the plugging head 16 moves towards the piston rod 13, the oil filling holes 14 are not plugged, the oil outlet 26 of the insertion pipes 25 is completely arranged in the oil filling holes 14, then an external oil pump is driven to fill hydraulic oil into the insertion pipes 25, and flow into the piston cylinder 12 from the oil outlet 26 to eject the piston rod 13, after the external jacking is finished, the external oil pump stops oil supply, the air cylinder 24 drives the sliding blocks 22 to be far away from the clamping blocks 6, the insertion pipes 25 to pull out the oil filling holes 14, and at the moment, the plugging head 16 resets under the elasticity of the pressure spring 15 to plug the oil filling holes 14;
When the barrel-shaped part is processed, the driving assembly drives the wheel body to rotate and reset, so that each oil injection hole 14 corresponds to each insertion pipe 25 one by one, then the cylinder 24 is driven, so that each insertion pipe 25 is inserted into each oil injection hole 14 and props against the end face of the plugging head 16, the plugging head 16 moves towards the direction of the piston rod 13, meanwhile, an oil pipe connected with the insertion pipe 25 and the oil pump are in an oil pumping state, the clamping block 6 withdraws and resets under the elasticity of the reset spring 11 connected with the clamping block 6, the piston rod 13 is extruded towards the direction of the piston cylinder 12, and hydraulic oil in the piston cylinder 12 is pressed into the insertion pipe 25 and flows back into an external oil cylinder;
The machining motor 28 is used for conveying and fixedly connecting a milling cutter, the machining cutter is perpendicular to the inner surface of the barrel-shaped part and matched with the hydraulic cylinder 7, so that the adjustment of the feeding amount of the milling cutter is realized, and the surface machining of the inner cavity surface of the barrel-shaped part is flexibly realized;
The rotary motor 9 drives the processing motor 28 to rotate through the cross rod 27, so that the processing motor 28 carries out rotary processing, and meanwhile, the processing motor 28 drives the milling cutter to rotate, namely, the rotation of the milling cutter and the revolution around the axis of the cross rod 27 are realized, so that the inner cavity of the barrel-shaped part can be subjected to rotary processing, or the eccentric position of the inner cavity of the barrel-shaped part can be processed;
The processing motor 28 is in rotary motion and needs to consider the power supply of the processing motor 28, a conductive component is arranged for the processing motor, an external wire is connected with a conductive rod 30, a fixed ring 29 is fixedly connected to an end shell of the rotary motor 9, the conductive rod 30 is inserted into an annular groove 31, an annular conductive plate is arranged in the annular groove 31 and is in electrical contact with the conductive rod 30, the conductive plate is electrically connected with the processing motor 28 through the wire, the rotary motor 9 drives a cross rod 27 to rotate, a movable ring 23 rotates, the conductive rod 30 performs relative rotation motion in the conductive plate, a rotary roller body 32 is arranged at the end part of the conductive rod 30, sliding friction between the conductive rod 30 and the conductive plate is converted into rolling friction between the roller body 32 and the conductive plate, abrasion of the conductive rod 30 is reduced, and the relative rotation smoothness of the movable ring 23 and the fixed ring 29 is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The barrel-shaped precise component inner cavity machining equipment is characterized by comprising a fixed seat (1) and a movable seat (2), wherein the fixed seat (1) and the movable seat (2) are connected through a transmission assembly, a clamping unit is arranged on the fixed seat (1), and a machining unit is arranged on the movable seat (2);
The clamping unit comprises a bracket (3), wherein a clamping assembly and a driving assembly are arranged on the bracket (3), the clamping assembly is used for clamping barrel-shaped parts, and the driving assembly is used for driving the clamping assembly to do rotary motion;
The clamping assembly comprises a circular tube-shaped rotating body (4), the rotating body (4) penetrates through and is rotationally connected to the support (3), a plurality of groups of base blocks (5) are uniformly and fixedly connected to two end faces of the rotating body (4), clamping blocks (6) are arranged between each group of base blocks (5), and the clamping blocks (6) can clamp barrel-shaped parts inserted into the rotating body (4);
The processing unit comprises hydraulic cylinders (7) symmetrically arranged on the movable seat (2), wherein the output ends of the hydraulic cylinders (7) are fixedly connected with brackets (8), rotary motors (9) are fixedly connected to the brackets (8), the output ends of the rotary motors (9) point to the clamping units, processing components are fixedly connected to the output ends of the rotary motors (9), and the processing components are used for processing the inner surfaces of barrel-shaped parts;
Each group of base blocks (5) consists of two symmetrically arranged base blocks (5), a chute (10) is formed in the inner side wall of each base block (5), two adjacent chute (10) are connected with a clamping block (6) in a sliding manner through a return spring (11), and an extrusion assembly is arranged at the rear half part of each base block (5);
The extrusion assembly comprises a piston cylinder (12) and a piston rod (13), wherein one end of the piston rod (13) is propped against the rear end face of the clamping block (6), the other end of the piston rod (13) is connected in the piston cylinder (12) in a sealing sliding manner, an oil filling hole (14) is formed in the end part of the piston cylinder (12), and a blocking mechanism is arranged in the oil filling hole (14), the blocking mechanism comprises a pressure spring (15) and a blocking head (16), and the blocking head (16) is blocked at the position of the oil filling hole (14) through the pressure spring (15);
the bracket (3) is provided with a plurality of oiling assemblies which are matched with the extrusion assemblies one by one, and the oiling assemblies can inject hydraulic oil into the piston cylinder (12);
Each oiling component comprises a sliding block (22), each sliding block (22) is connected onto the end face of the support (3) in a sliding mode, each sliding block (22) is pushed to move by an air cylinder (24), insertion pipes (25) are symmetrically arranged on the front end face of each sliding block (22), the insertion pipes (25) are communicated with external oil pipes, the insertion pipes (25) are matched with the oil injection holes (14) at the end portions of the piston cylinders (12), and U-shaped oil outlets (26) are formed in the end portions of the insertion pipes (25).
2. The barrel-shaped precise component inner cavity machining equipment according to claim 1, wherein the transmission assembly comprises a transmission motor (17) and a screw rod (18), one end of the screw rod (18) is in transmission connection with the lower surface of the movable seat (2), the other end of the screw rod (18) extends to the lower side of the fixed seat (1), and the other end of the screw rod (18) is fixedly connected with an output end of the transmission motor (17).
3. The barrel-shaped precise component inner cavity machining equipment according to claim 1, wherein the driving assembly comprises a driving motor (19), a gear (20) and a toothed ring (21), the toothed ring (21) is fixedly connected to the outer surface of the rotating body (4), the toothed ring (21) is meshed with the transmission gear (20), the gear (20) is rotatably connected inside the support (3), the end part of the gear (20) is fixedly connected with the output end of the driving motor (19), and the driving motor (19) is fixedly connected to the support (3).
4. The processing device for the inner cavity of the barrel-shaped precise component of claim 1, wherein the processing assembly comprises a cross rod (27) fixedly connected to the output end of a rotary motor (9), a processing motor (28) is fixedly connected to the end part of the cross rod (27), and a milling cutter is fixedly connected to the output end of the processing motor (28).
5. The barrel-shaped precise component inner cavity machining equipment according to claim 4 is characterized in that a conductive component is arranged between an end shell of the rotary motor (9) and the cross rod (27), and comprises a fixed ring (29) fixedly connected to the end shell of the rotary motor (9) and a movable ring (23) fixedly connected to the cross rod (27);
The back of the fixed ring (29) is fixedly connected with a wire, and the front of the fixed ring (29) is provided with a plurality of groups of conducting rods (30);
an annular groove (31) which is matched with the conductive rod (30) is formed in the front face of the movable ring (23), and the conductive rod (30) can be rotatably connected in the annular groove (31).
6. The device for machining the inner cavity of the barrel-shaped precise component according to claim 5, wherein the end surface of each conductive rod (30) is provided with a rotary groove, a roller body (32) is rotationally connected in the rotary groove, and the roller body (32) is attached to the inner surface of the rotary groove to rotate.
7. The device for machining the inner cavity of the barrel-shaped precise part according to claim 1, wherein a plurality of oil channels (33) are formed on the surface of the plugging head (16).
8. The device for machining the inner cavity of the barrel-shaped precise component according to claim 7, wherein each plugging head (16) is provided with a sealing strip (34) in the shape of a ring on the plugging surface, and the sealing strips (34) can be extruded on the inner side wall of the oil filling hole (14).
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| CN202410536050.5A CN118527704B (en) | 2024-04-30 | 2024-04-30 | A barrel-shaped precision component inner cavity processing equipment |
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| CN206839250U (en) * | 2017-06-29 | 2018-01-05 | 惠州市神马模具有限公司 | A kind of precision horizontal milling machine |
| CN217617963U (en) * | 2022-07-22 | 2022-10-21 | 荆州市志锐机械制造有限公司 | Side milling device for machining inner wall of workpiece |
| CN116037997A (en) * | 2023-03-28 | 2023-05-02 | 江苏钜瀚机械装备有限公司 | Milling device for metal parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3071228B2 (en) * | 1991-02-12 | 2000-07-31 | 株式会社北川鉄工所 | Rotary fluid pressure cylinder device for chuck |
| DE102004036915A1 (en) * | 2004-07-29 | 2006-03-23 | Ludwig Ehrhardt Gmbh | Clamping cylinder in compact design |
| EP3028804B1 (en) * | 2014-12-04 | 2017-02-22 | SMW-AUTOBLOK Spannsysteme GmbH | Transmission device, in particular for energy and/or signal transmission |
| CN117878691B (en) * | 2024-02-19 | 2025-12-16 | 中国船舶集团有限公司第七一三研究所 | Conductive slip ring brush and conductive slip ring |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206839250U (en) * | 2017-06-29 | 2018-01-05 | 惠州市神马模具有限公司 | A kind of precision horizontal milling machine |
| CN217617963U (en) * | 2022-07-22 | 2022-10-21 | 荆州市志锐机械制造有限公司 | Side milling device for machining inner wall of workpiece |
| CN116037997A (en) * | 2023-03-28 | 2023-05-02 | 江苏钜瀚机械装备有限公司 | Milling device for metal parts |
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Denomination of invention: A device for machining the internal cavity of a cylindrical precision part Granted publication date: 20250314 Pledgee: Bank of China Limited Wuxi Taihu Xincheng sub branch Pledgor: Wuxi Kaiming Intelligent Technology Co.,Ltd. Registration number: Y2025980036352 |