CN112371839B - Processing device and processing method for self-adaptive pressure-stabilizing throttle valve plate - Google Patents
Processing device and processing method for self-adaptive pressure-stabilizing throttle valve plate Download PDFInfo
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- CN112371839B CN112371839B CN202011134061.9A CN202011134061A CN112371839B CN 112371839 B CN112371839 B CN 112371839B CN 202011134061 A CN202011134061 A CN 202011134061A CN 112371839 B CN112371839 B CN 112371839B
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- 238000003672 processing method Methods 0.000 title claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 230000003044 adaptive effect Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 23
- 239000000428 dust Substances 0.000 description 9
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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Abstract
The invention relates to a processing device and a processing method of a self-adaptive pressure-stabilizing throttle valve plate, wherein the processing device comprises a compression unit and a demoulding unit; the compressing unit comprises a base (1), a bottom plate (2), a first supporting plate (3), a plurality of sliding blocks (4), an outer cavity (5), an inner cavity (6), a second supporting plate (7), a piston cylinder (10), a piston rod (11) and a connecting rod (15); the outer cavity (5) consists of a plurality of outer cavity blocks (51), and each outer cavity block (51) is correspondingly provided with a piston cylinder (10); the sliding block (4) is arranged in a sliding groove (25) of the base (1), and the sliding groove (25) is of an inverted T-shaped structure. The invention utilizes the hydraulic device to work stably and has stable power, improves the processing efficiency, is convenient and quick, and can process the pressure-stabilizing valve plates with different types by changing the structures of the inner cavity and the outer cavity.
Description
Technical Field
The invention belongs to the field of manufacturing of pressure-stabilizing throttle valve plates, and particularly relates to a processing device and a processing method for a self-adaptive pressure-stabilizing throttle valve plate.
Background
In the technical field of agricultural irrigation and other fluid distribution, as the pressure loss is related to the length of a pipeline, the longer the pipeline is, the larger the pressure loss is, so that the pressures of fluid at outlets at different positions on the same pipeline are different, in order to ensure the problem that the flow at the outlets cannot be regulated and controlled due to uneven pressure, an adaptive pressure-stabilizing throttle valve plate is developed, the valve plate adopts a metal-based fiber composite material with better plasticity, and the two ports are different in size, but the valve plate is complicated in relation to a processing device, the yield is low, and a brand-new processing device for the adaptive pressure-stabilizing throttle valve plate is necessary to be invented.
Disclosure of Invention
The invention aims to provide and design self-adaptive pressure-stabilizing throttle valve plate processing equipment which is simple in structure, stable in operation, convenient to operate and small in size by utilizing a processing device driven by a hydraulic device, and the hydraulic device has the advantages of stable operation, stable applied force and the like, so that a manufactured opposite member can be well shaped.
In order to achieve the above object, the processing device of the present invention adopts the following technical scheme:
the processing device of the self-adaptive pressure-stabilizing throttle valve plate consists of a compression unit and a demoulding unit, and comprises the compression unit and the demoulding unit; the compressing unit comprises a base, a bottom plate, a first supporting plate, a plurality of sliding blocks, an outer cavity, an inner cavity, a second supporting plate, a piston cylinder, a piston rod and a connecting rod; the bottom plate is arranged below the base and is fixedly connected with the base; the first supporting plate is fixedly connected with the upper surface of the base; the second supporting plate is fixedly connected with the upper surface of the first supporting plate; round holes which are penetrated up and down are correspondingly arranged in the middle of the first supporting plate and the second supporting plate; the outer cavity and the inner cavity are positioned in the round hole; the piston cylinder is arranged in a groove of the contact surface of the first support plate and the second support plate; the outer cavity consists of a plurality of outer cavity blocks, and each outer cavity block is correspondingly provided with a piston cylinder; one end of the piston rod is connected with a piston in the piston cylinder, and the other end of the piston rod is connected with the first end of the connecting rod; the second end of the connecting rod is fixedly connected with the outer cavity block; an outer cavity connector is arranged at the lower end of the outer cavity and fixedly connected with the sliding block; the sliding block is arranged in the sliding groove of the base, the sliding groove is of an inverted T-shaped structure, and a square groove is arranged at the tail end of the sliding groove, so that the sliding block can be conveniently installed and detached; the inner cavity is arranged on the base through an inner cavity joint; the demolding unit comprises a gasket, an annular sliding block and an operating rod; the annular sliding block is placed in the first annular groove of the base, the operating rod is connected with the side rod of the annular sliding block, the gasket is installed in the second annular groove of the base, and the gasket is located above the annular sliding block.
Further, the bottom of the base is provided with a threaded hole, and the bottom plate is provided with a through hole; the threaded hole is coaxial with the through hole of the bottom plate, and the threaded hole is used for connecting the base with the bottom plate; the first supporting plate, the second supporting plate and the base are coaxially fixed at the through hole through bolts I; the piston rod is fixed with the connecting rod through a bolt II; the connecting rod is fixed with the outer cavity through threads; the outer cavity is connected with the sliding block through threads; the inner cavity is connected with the base through threads; a dust cover is arranged in the square groove of the second supporting plate.
Further, the piston cylinder is driven by a hydraulic driving device; the hydraulic driving device comprises a unidirectional adjustable device
The variable pump, the one-way valve, the overflow valve, the three-position four-way electromagnetic reversing valve and the oil tank; the inlet of the unidirectional adjustable variable pump of the three-position four-way electromagnetic reversing valve is connected with an oil tank; the interface of the three-position four-way electromagnetic reversing valve comprises a P port, a T port, an A port and a B port; the outlet of the unidirectional adjustable variable pump is connected with the inlet of the unidirectional valve and the inlet of the overflow valve in parallel, and the outlet of the overflow valve is connected with the oil tank; the outlet of the one-way valve is connected with the P port of the three-position four-way electromagnetic reversing valve, the T port of the three-position four-way electromagnetic reversing valve is connected with the oil tank, the A port of the three-position four-way electromagnetic reversing valve is connected with the left cavity oil port of the piston cylinder, and the B port of the three-position four-way electromagnetic reversing valve is connected with the right cavity oil port of the piston cylinder.
Further, an inner cavity connector with threads is arranged at the lower end of the inner cavity, a connector hole is formed in the base, and the inner cavity connector is in threaded connection with the connector hole; the middle end of the inner cavity is provided with a conical round table, and the round table is used for supporting the hollow thin-wall cylinder; the upper end of the inner cavity is provided with waves, the wave trend of the waves is conical, the taper is gradually reduced, and the fluctuation range of the waves is gradually enlarged.
Further, the plurality of outer cavity blocks are two conical half round tables, the lower ends of the outer cavity blocks are provided with three outer cavity joints with threads, the outer cavity blocks are connected with threaded holes on the sliding blocks through the outer cavity joints, and each outer cavity block is connected with three sliding blocks; the number of the sliding grooves is six, the sliding blocks are symmetrically arranged in pairs, and the sliding blocks are placed in the sliding grooves; the inner part of the outer cavity is provided with waves, the waves are conical, the waves gradually transition from the arc at the lowest end to the wave form, and the fluctuation range of the wave form gradually increases from bottom to top; the side end of the conical semi-circular table is provided with a square table with a threaded hole, and the outer cavity block is connected with the connecting rod through the threaded hole.
When the piston cylinder is implemented, the first supporting plate and the second supporting plate are rectangular plates, the two supporting plates are fixed through bolts I, and the piston cylinder is positioned between the first supporting plate and the second supporting plate to form an integral frame; there is the through-hole in the first backup pad, the through-hole on the first backup pad with the base through-hole keeps coaxial, and after the frame installation was accomplished, first backup pad and second backup pad guaranteed coaxial, and the symmetry distributes in the second backup pad has two square notch for the installation of hydraulic oil import and export oil pipe on the piston cylinder, is equipped with the dust cover on the notch, and the seal of piston adopts clearance seal.
Further, the plurality of outer cavity blocks are four or eight or twelve fan-shaped circular tables, each outer cavity block comprises an arc transition section and a conical corrugated section, the arc in the arc transition section is in a contracted shape from bottom to top, the inner wall of the conical corrugated section is provided with corrugations, the fluctuation range of the corrugations from the big end to the small end is gradually enlarged, and a chute is arranged on the base corresponding to each outer cavity block; each outer cavity block is connected with one sliding block through a connecting structure; the sliding grooves are radially and uniformly arranged by taking the joint holes as circle centers. When the pressure stabilizing valve plates with different sizes are processed, the structures of different inner cavities and outer cavities can be replaced, and the pressure stabilizing valve plates with different models are processed, so that the pressure stabilizing valve is convenient and quick and has high efficiency.
The device comprises: the first support plate is connected with the base through bolts, in the working process, a raw material thin-wall cylinder of the pressure-stabilizing throttle valve plate is sleeved on the inner cavity, under the drive of the hydraulic device, the piston rod drives the connecting rod to move towards the direction close to the inner cavity, the outer cavity block is connected with the sliding block, the sliding block moves towards the direction close to the inner cavity through an inverted T-shaped sliding groove, the thin-wall cylinder is pressed on the inner cavity to form the self-adaptive pressure-stabilizing throttle valve plate, one-time processing is completed, a sealing ring is arranged between the piston and the piston cylinder, a dust cover is arranged above an oil inlet and an oil outlet of the piston cylinder, a dust cover is arranged between the piston rod and the cylinder cover, and the sliding block and the sliding groove are also provided with dust covers, so that dust and the like are prevented from entering the cylinder body, and the running condition of the device is influenced; sealing rings are respectively arranged between the piston rods to prevent hydraulic oil from overflowing in the running process; the outer cavity block has the advantages that the outer cavity block is uniform in speed, stable in pressure and accurate in control when moving, the bottom plate is connected with the base through the bolts, the annular sliding block is arranged in the first annular groove of the base, the annular sliding block and the first annular groove are coaxial, the fact that each sliding block and the outer cavity block can move synchronously at a uniform speed in the machining process is guaranteed, the thin-wall cylinder is pressed on the inner cavity, force can be continuously applied, the part can be better shaped, and the operating lever is pulled leftwards after machining is finished, so that the part can be ejected upwards. The thin-walled cylinder may be of a metal-based fiber composite material.
The self-adaptive pressure-stabilizing throttle valve plate processing method of the self-adaptive pressure-stabilizing throttle valve plate processing device comprises the following steps:
step 1: the thin-wall cylinder is sleeved on the inner cavity and is placed in a circular groove of the base of the processing device;
step 2: under the drive of a hydraulic device, the piston rod pushes the connecting rod to move, the movement of the connecting rod drives the sliding block to move along the sliding groove in the direction close to the inner cavity, and further drives the outer cavity block of the outer cavity to move, the wave shape of the outer cavity block is meshed with the wave shape on the inner cavity, and the thin-wall cylinder is extruded on the inner cavity, so that the self-adaptive pressure stabilizing valve plate is formed;
step 3: under the drive of a hydraulic device, the outer cavity block moves along the direction that the sliding groove is far away from the inner cavity so as to reset the outer cavity; pulling the control rod leftwards, wherein the control rod drives the annular sliding block to do clockwise rotation movement around the inner cavity, so that the inclined plane at the lower end of the annular sliding block upwards slides along the inclined plane of the annular inclined block of the bottom plate, the gasket upwards moves, and the gasket is positioned in the circular groove and below the throttling and pressure-stabilizing valve plate, and finally the pressure-stabilizing valve plate is upwards ejected;
step 4: the machined pressure stabilizing valve plate is taken down, the operating rod 17 is pushed rightwards, so that the annular sliding block is driven by the operating rod, the annular sliding block is driven to do anticlockwise rotation movement around the inner cavity, the inclined plane at the lower end of the annular sliding block slides downwards along the inclined plane of the annular inclined block of the bottom plate, the gasket moves downwards, and the demoulding unit is reset to finish one-time machining.
The invention has reasonable design, takes the hydraulic device as a power system, ensures the stability of the movement of each outer cavity, can continuously and evenly bear force when processing the throttle valve plate, has good forming effect, has small volume and light weight, and has good practical application effect by changing the inner and outer cavities with different sizes to process the throttle valve plate with different sizes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic three-dimensional structural diagram of an adaptive pressure-stabilizing throttle valve plate processing device according to a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the adaptive pressure regulating throttle valve plate processing device shown in FIG. 1;
FIG. 3 is a schematic view of the chute shown in FIG. 1;
fig. 4 is a schematic perspective view of the stripping unit shown in fig. 1;
FIG. 5 is a schematic view of a semi-sectional structure of the base shown in FIG. 1;
FIG. 6 is a control schematic of the hydraulic system shown in FIG. 1;
FIG. 7 is a schematic perspective view of the inner cavity of FIG. 1;
FIG. 8 is a schematic view of the external cavity of FIG. 1;
fig. 9 is a schematic perspective view of the compressing unit shown in fig. 1;
FIG. 10 is a schematic view of a part of the connecting rod and piston rod shown in FIG. 9;
FIG. 11 is a top view of the base of the adaptive trim valve block processing apparatus shown in FIG. 1;
FIG. 12 is a schematic structural view of a second support plate of the adaptive regulator valve block processing apparatus shown in FIG. 1;
fig. 13 is a schematic three-dimensional structural diagram of a processing device for an adaptive pressure-stabilizing throttle valve sheet according to a second embodiment of the present invention;
FIG. 14 is a schematic view of the base structure of FIG. 13;
fig. 15 is a schematic perspective view of the compressing unit in fig. 13;
reference numerals illustrate:
1-a base; 2-a bottom plate; 3-a first support plate; 4-a slider; 5-an outer cavity; 6-an inner cavity; 7-a second support plate; 8-a bolt I, 9-a dust cover; 10-a piston cylinder; 11-a piston rod; 12-bolt II, 13-bolt III and 14-gasket; 15-connecting rods; 16-an annular slider; 17-a joystick; the device comprises a 18-bolt IV, a 19-unidirectional adjustable variable pump; 20-a one-way valve; 21-overflow pressure stabilizing valve; 22-three-position four-way electrified reversing valve; 23-oil tank, 24-oil circuit; 25-sliding grooves; 26-an annular groove; 27-a circular groove; 28-an annular oblique block; 31-round holes; 51-an outer cavity block; 52-square table; 53-outer cavity joint; 61-an internal cavity joint; 62-round bench; 63-corrugation; 101-a connector hole; 111-a first riser; 151 a second riser; 161-annular slider side arms; 201-an annular inclined block inclined plane; 202-an annular slider ramp; 203-square grooves; 301-groove.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the technical features described below in the different embodiments of the present invention may be combined with each other as long as they do not collide with each other.
Example 1
As shown in fig. 1 to 5, the processing device includes a pressing unit and a demolding unit; the compressing unit comprises a base 1, a bottom plate 2, a first supporting plate 3, a plurality of sliding blocks 4, an outer cavity 5, an inner cavity 6, a second supporting plate 7, a piston cylinder 10, a piston rod 11 and a connecting rod 15; the bottom plate 2 is arranged below the base 1 and is fixedly connected with the base 1; the first supporting plate 3 is positioned at the upper part of the base 1 and is fixedly connected with the upper surface of the base 1; the second supporting plate 7 is positioned at the upper part of the first supporting plate 3 and is fixedly connected with the upper surface of the first supporting plate 3; round holes 31 which are vertically penetrated are correspondingly arranged in the middle of the first supporting plate 3 and the second supporting plate 7; the outer cavity 5 and the inner cavity 6 are positioned in the round hole 31; the piston cylinder 10 is arranged in a groove of the contact surface of the first support plate 3 and the second support plate 7; the outer cavity 5 is composed of a plurality of outer cavity blocks 51, and each outer cavity block 51 is correspondingly provided with a piston cylinder 10; one end of the piston rod 11 is provided with a piston arranged in the piston cylinder 10, the other end of the piston rod 11 is provided with a first vertical plate 111, one end of the connecting rod 15 is provided with a second vertical plate 151, and the first vertical plate 111 and the second vertical plate 151 are fixedly connected through a bolt II 12; the other end of the connecting rod 15 is fixedly connected with the outer cavity block 51 through threads; an outer cavity connector 53 is arranged at the bottom of the outer cavity block 51, the outer cavity connector 53 is fixedly connected with the sliding block 4, the sliding block 4 is arranged in the sliding groove 25 of the base 1, the sliding groove 25 is of an inverted T-shaped structure, and the tail end of the sliding groove 25 is a rectangular groove, so that the sliding block 4 is convenient to install and detach; the inner cavity 6 is arranged on the base 1; the demoulding unit comprises a gasket 14, an annular sliding block 16 and a control rod 17; the annular slide block 16 is placed in the annular groove 26 of the base 1, the annular groove 26 is of a penetrating structure, the operating rod 17 is connected with the side arm 161 of the annular slide block 16, the gasket 14 is placed in the circular groove 27 of the base 1, the circular groove 27 is positioned on the upper surface of the base 1, and the circular groove 27 is not of the penetrating structure; the gasket 14 is an annular gasket and is located above the annular slider 16; the annular groove 26 is concentric with the circular groove 27 and has the same radial radius; the annular groove 26 is a circular arc groove, and the annular groove 26 is matched with the annular sliding block 16, so that the annular sliding block 16 can slide in the annular groove 26; due to the fact that
The annular groove 26 is a penetrating structure, and is overlapped with the upper part of the annular groove 26 and the part of the circular groove 27, so that the annular slider 16 can move up and down in the annular groove 26.
Further, a threaded hole is formed in the bottom of the base 1, and a through hole is formed in the bottom plate 2; the threaded holes are coaxial with the through holes of the bottom plate 2, and are used for connecting the base 1 with the bottom plate 2; the piston rod 11 and the connecting rod 15 are fixed through a bolt II 12; the connecting rod 15 is fixed with the outer cavity 5 through threads; the outer cavity 5 is connected with the sliding block 4 through threads; the inner cavity 6 is connected with the base 1 through threads; a dust cover 9 is arranged in the square groove of the second supporting plate 7.
The lower extreme of annular slider 16 is equipped with one section annular slider inclined plane 202, annular slider 16 is equipped with side arm 161, the terminal screw hole that opens of side arm 161, side arm 161 is used for with the control lever 17 links to each other.
The bottom plate 2 is located below the base 1, and the base 1 is connected with the bottom plate 2 through bolts IV 18. The bottom plate 2 is provided with an annular inclined block 28, the inclined surface 202 of the annular sliding block is attached to the inclined surface 201 of the annular inclined block, and when demoulding, the inclined surface 202 of the annular sliding block relatively slides along the inclined surface 201 of the annular inclined block, so that the annular sliding block 16 moves upwards, the gasket 14 moves upwards, and the processed self-adaptive pressure-stabilizing throttle valve plate pops upwards.
Four through holes are formed in the first supporting plate 3 and are used for being connected with the base 1 and the second supporting plate 7, the first supporting plate 3 and the base 1 are coaxially fixed at the through holes through the bolts I8, and the second supporting plate 7 and the first supporting plate 3 are coaxially fixed through the bolts I8.
The piston cylinder 10 is arranged in a groove between the contact surfaces of the first support plate 3 and the second support plate 7, the piston cylinder 10 is fixed on the first support plate 3 and the second support plate through bolts III 13, oil inlet and outlet ports of the piston cylinder 10 are upward, a piston rod 11 is positioned in the piston cylinder 10, and the piston and the cylinder body are sealed by gaps.
The annular groove 26 in the base 1 is concentric with the annular slider 16. The lever 17 is screwed to a side arm 161 of the ring slider 16. The gasket 14 is fitted into the circular groove 27 of the base 1. The dust cap 9 is placed in the square groove 203 of the second support plate 7. In this structure, the base 1, the first support plate 3 and the second support plate 7 are square plates, and the outer cavity 5 adopts a conical truncated cone structure, so that the weight of the whole frame is reduced; the piston rod 11 and the connecting rod 15 are coaxial; the connecting rod 15 is coaxial with the circular hole on the outer cavity 5, so that the outer cavity 5 can be uniform and stable in moving, the error of a workpiece is reduced, the connecting rod 15 is connected with the piston rod 11 by adopting a bolt II 12, and the disassembly and assembly are convenient; through holes are formed in the first supporting plate 3, the base 1 and the second supporting plate 7, coaxiality is required to be guaranteed during assembly, the outer cavity 5 and the inner cavity 6 are required to be guaranteed to be coaxial, and in addition, the circular arc edges of the inner cavity and the outer cavity are guaranteed to be on the same plane. The outer cavity 5 is pushed by the piston rod 11, the sliding block 4 moves at a uniform speed in the sliding groove, so that the thin-wall cylinder is uniformly stressed, the outer cavity 5 is extruded onto the inner cavity 6, uniform force can be continuously applied, the thin-wall cylinder has good shaping, and the processing precision of parts is guaranteed. The length of the chute is short, so that the structure is more compact.
As shown in fig. 6, the piston cylinder 10 is driven by a hydraulic drive device; the hydraulic driving device comprises a unidirectional adjustable variable pump 19, a unidirectional valve 20, an overflow valve 21, a three-position four-way electromagnetic directional valve 22 and an oil tank 23; the inlet of the unidirectional adjustable variable pump 19 of the three-position four-way electromagnetic directional valve 22 is connected with an oil tank 23; the interface of the three-position four-way electromagnetic reversing valve 22 comprises a P port, a T port, an A port and a B port; the outlet of the unidirectional adjustable variable pump 19 is connected with the inlet of the unidirectional valve 20 and the inlet of the overflow valve 21 in parallel, and the outlet of the overflow valve 21 is connected with the oil tank 23; the outlet of the one-way valve 20 is connected with the P port of the three-position four-way electromagnetic directional valve 22, the T port of the three-position four-way electromagnetic directional valve 22 is connected with the oil tank 23, the A port of the three-position four-way electromagnetic directional valve 22 is connected with the left cavity oil port of the piston cylinder 10, and the B port of the three-position four-way electromagnetic directional valve 22 is connected with the right cavity oil port of the piston cylinder 10.
As shown in fig. 7, further, the lower end of the inner cavity 6 is provided with a threaded inner cavity joint 61, the
The inner cavity 6 is connected with the base 1 through the inner cavity joint 61; the middle end of the inner cavity 6 is provided with a conical round table 62, and the round table 62 is used for supporting a hollow thin-wall cylinder; the upper end of the inner cavity 6 is provided with a ripple 63, the waveform trend of the ripple 63 is conical, the taper is gradually reduced, and the fluctuation range of the waveform is gradually enlarged.
As shown in fig. 8-11, one end of the piston rod 11 is provided with two first vertical plates 111, the vertical plates are symmetrically distributed and are provided with through holes, one end of the connecting rod 15 is provided with a second vertical plate 151, and the second vertical plate 151 is used for being connected with the first vertical plates 111; the other end of the connecting rod 15 is provided with threads and is connected with a threaded hole on a square table 52 of the outer cavity 5; the piston rod 11 is fixed with the connecting rod 15 through a bolt II 12, and circular holes on the piston rod 11, the connecting rod 15 and the outer cavity 5 are coaxial.
The lower end of the inner cavity 6 is provided with an inner cavity joint 61 with threads, the base 1 is provided with a joint hole 101, and the inner cavity joint 61 is in threaded connection with the joint hole 101; the middle end of the inner cavity 6 is provided with a conical round table 62, and the round table 62 is used for supporting a hollow thin-wall cylinder; the upper end of the inner cavity 6 is provided with a ripple 63, the waveform trend of the ripple 63 is conical, the taper is gradually reduced, and the fluctuation range of the waveform is gradually enlarged.
The plurality of outer cavity blocks 51 are two conical half round tables, three outer cavity joints 53 with threads are arranged at the lower ends of the outer cavity blocks 51, the outer cavity blocks 51 are connected with threaded holes on the sliding blocks 4 through the outer cavity joints 53, and each outer cavity block 51 is connected with three sliding blocks 4; the number of the sliding grooves is six, and the sliding grooves are symmetrically arranged in pairs; the sliding block 4 is placed in the sliding groove 25, and the sliding block 4 is in clearance fit with the inner wall of the sliding groove, so that the sliding block 4 can be ensured to stably run in the sliding groove 25.
The inside of the outer cavity 5 is provided with waves, the waves are conical, the waves gradually transition from the arc at the lowest end to the wave form, and the fluctuation range of the wave form gradually increases from bottom to top; the side end of the conical half round table is provided with a square table 52 with a threaded hole, and the outer cavity block 51 is connected with the connecting rod 15 through the threaded hole.
As shown in fig. 12, the upper surface of the second support plate 7 is provided with symmetrically and uniformly distributed square grooves 203, and the side surface of the second support plate is provided with a groove 301 for mounting the piston cylinder 10.
The working principle of the processing device of the voltage stabilizing part is as follows:
in the preparation stage of processing, the three-position four-way electromagnetic directional valve 22 is positioned in the middle position, during processing, the three-position four-way electromagnetic directional valve 22 is positioned at the left position, the one-way adjustable variable pump 19 controls the left cavity of the hydraulic cylinder to feed oil and the right cavity to feed oil through the one-way valve 20 and the three-position four-way electromagnetic directional valve 22, hydraulic oil flows back to the oil tank 23 through a T port, so that the piston rod 11 in the piston cylinder 10 makes radial feeding movement, further the outer cavity 5 is driven by the sliding block 4 to radially feed along the inverted T-shaped sliding groove 25, the thin-wall cylinder is pressed on the inner cavity 6, then pressure is continuously applied, a workpiece is completely shaped, after the processing is completed, the three-position four-way electromagnetic directional valve 22 is controlled, so that the three-position four-way electromagnetic directional valve 22 works in the right position, hydraulic oil enters the right cavity of the piston cylinder 10 from a P port, the left cavity feeds oil, the piston rod 11 drives the outer cavity 5 to return to the original position through the T port oil return tank 23, the operating rod 17 is pulled leftwards, the annular sliding block 16 slides on the annular inclined block 201 on the base 1 along the annular inclined block 201 of the annular sliding block 2, the annular sliding block 16 on the annular cushion 16, the annular cushion 16 moves upwards, the annular cushion 14 is reset, and the annular cushion 16 is pushed upwards, the processing is completed, and the processing is completed once. The overflow pressure stabilizing valve 21 plays a role in safety protection in the whole processing process. When the pressure stabilizing valve plates with different sizes are processed, the structures of different inner cavities and outer cavities can be replaced, the pressure stabilizing valve plates with different models are processed, and the pressure stabilizing valve plate processing device is convenient, quick and high in efficiency.
The processing method of the self-adaptive pressure-stabilizing throttle valve plate of the processing device of the self-adaptive pressure-stabilizing throttle valve plate comprises the following steps:
step 1: placing a thin-walled cylinder in an annular groove (27) of the base (1) of the processing device, wherein the thin-walled cylinder is sleeved on the inner cavity 6;
step 2: driven by hydraulic means, the piston rod 11 pushes the connecting rod 15 to move, the connecting rod 15
The sliding block 4 is driven to move along the sliding groove 25, so that the outer cavity block 51 of the outer cavity 5 is driven to move, the wave shape of the outer cavity block 51 is meshed with the wave shape on the inner cavity, the thin-wall cylinder is extruded on the inner cavity 6, and the self-adaptive pressure stabilizing valve plate is formed;
step 3: the outer cavity block 51 of the outer cavity 5 moves along the chute 25 under the drive of the hydraulic device so as to reset the outer cavity 6; pulling the control rod 17 leftwards, the control rod 17 drives the annular sliding block 16 to perform clockwise rotation movement around the inner cavity 6, so that the annular sliding block inclined surface 202 slides upwards along the annular inclined block inclined surface 201 of the bottom plate 2, the gasket 14 moves upwards, the gasket 14 is positioned in the circular groove 27 and below the throttling and pressure stabilizing valve sheet, and finally the pressure stabilizing valve sheet is ejected upwards;
step 4: the machined pressure stabilizing valve plate is taken down, the operating rod 17 is pushed rightwards, so that the annular sliding block 16 is driven to do anticlockwise rotation movement around the inner cavity 6, the annular sliding block inclined surface 202 slides downwards along the annular inclined block inclined surface 201 of the bottom plate 2, the gasket 14 moves downwards, and the demoulding unit is reset, so that one-time machining is completed.
Of course, the processing device of the adaptive pressure-stabilizing throttle valve plate in the present invention is not limited to the solution provided in the above embodiment 1, and may also adopt the technical solutions provided in the following embodiments.
Example 2
13-15, the difference from the above embodiment is that in this embodiment, the plurality of outer cavity blocks 51 includes twelve fan-shaped circular truncated cones, each outer cavity block 51 includes a circular arc transition section and a conical corrugated section, the circular arc in the circular arc transition section is in a contracted shape from bottom to top, the inner wall of the conical corrugated section has corrugations, the fluctuation range of the corrugations from the big end to the small end is gradually increased, and a chute 25 is disposed on the base 1 corresponding to each outer cavity block 51; each outer cavity block 51 is connected to one of said sliders 4. Twelve sliding grooves 25 are uniformly distributed on the base 1, the sliding grooves 25 are of an inverted T-shaped structure, and each outer cavity block 51 is matched with one sliding block 4 through threads; the sliding groove 25 is uniformly distributed in radial rays by an inner cavity joint 61 and a joint hole 101 of the base; the lower end of the first supporting plate 3 is square, the upper end of the first supporting plate is round, the second supporting plate 7 is round, and the piston cylinder 10 is positioned in a groove 301 between the upper end of the first supporting plate 3 and the second supporting plate and is uniformly distributed; compared with embodiment 1, the inner cavity is small in length of the sliding groove in the embodiment, the outer cavity block 51 moves more rapidly, and meanwhile, the structure of twelve outer cavity blocks 51 is adopted, so that the stress of the pressure stabilizing valve plate in processing is more uniform and the movement is more stable.
The invention has the following advantages:
(1) And the base, the bottom plate, the first supporting plate, the second supporting plate and the like are all connected by bolts, so that the normal work is ensured, and the disassembly and the assembly are convenient.
(2) The piston rod is connected with the fixed connecting rod through a bolt, and the hydraulic oil cylinder body is arranged in a form capable of moving left and right along the radial direction, so that a power source is provided for the movement of the outer cavity in the processing process.
(3) The inner cavity and the outer cavity can be disassembled, the inner cavity and the outer cavity with different sizes can be replaced, and the pressure stabilizing valve plates with different conicity can be processed according to different requirements.
(4) The sliding block connected with the outer cavity is simple in structure and has good interchangeability.
The technical scheme of the invention has the following beneficial effects:
(1) The device adopts the hydraulic device as a power source, realizes synchronous and uniform operation of all the outer cavities, has simple working principle and stable applied force, and ensures the coaxiality requirement of the processed parts.
(2) The device can process the pressure-stabilizing valve plates with different sizes by replacing the inner cavity and the outer cavity, the demoulding unit adopts a connecting rod mechanism, the structure is simple, the operation is convenient, the compacting unit adopts a hydraulic system, the assembly time is shortened, and the processing efficiency of the device is improved.
(3) According to the invention, the piston rod in the piston cylinder moves radially, and on the basis of ensuring coaxiality of all parts, acting force is applied to the outer cavity, so that the processing process of the pressure-stabilizing valve plate is realized. The device disclosed by the invention is accurate and stable in power application, can well ensure the coaxiality requirement of all parts in the assembly process, can realize synchronous operation, and has a wide application prospect.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (5)
1. The utility model provides a processingequipment of self-adaptation steady voltage throttle valve piece which characterized in that: comprises a compacting unit and a demoulding unit; the compressing unit comprises a base (1), a bottom plate (2), a first supporting plate (3), a plurality of sliding blocks (4), an outer cavity (5), an inner cavity (6), a second supporting plate (7), a piston cylinder (10), a piston rod (11) and a connecting rod (15); the bottom plate (2) is arranged below the base (1) and is fixedly connected with the base (1); the first supporting plate (3) is fixedly connected with the upper surface of the base (1); the second supporting plate (7) is fixedly connected with the upper surface of the first supporting plate (3); round holes (31) which are penetrated up and down are correspondingly arranged in the middle of the first supporting plate (3) and the second supporting plate (7) up and down; the outer cavity (5) and the inner cavity (6) are positioned in the round hole (31); the piston cylinder (10) is arranged in a groove (301) of the contact surface of the first supporting plate (3) and the second supporting plate (7); the outer cavity (5) consists of a plurality of outer cavity blocks (51), and each outer cavity block (51) is correspondingly provided with a piston cylinder (10); one end of the piston rod (11) is connected with a piston in the piston cylinder (10), and the other end of the piston rod (11) is connected with the first end of the connecting rod (15); the second end of the connecting rod (15) is fixedly connected with a square table (52) on the outer cavity block (51); an outer cavity connector (53) is arranged at the lower end of the outer cavity block (51), and the outer cavity connector (53) is fixedly connected with the sliding block (4); the sliding block (4) is arranged in a sliding groove (25) of the base (1), the sliding groove (25) is of an inverted T-shaped structure, and a rectangular groove is formed at the tail end of the sliding groove (25) so as to facilitate the installation and the disassembly of the sliding block (4); the inner cavity (6) is arranged on the base (1) through an inner cavity joint (61); the demolding unit comprises a gasket (14), an annular sliding block (16) and an operating rod (17); the annular sliding block (16) is placed in an annular groove (26) of the base (1), the operating rod (17) is connected with a side arm (161) of the annular sliding block (16), the gasket (14) is arranged in a circular groove (27) of the base (1), and the gasket (14) is positioned above the annular sliding block (16); the upper end of the inner cavity (6) is provided with a ripple (63), the wave trend of the ripple (63) is conical, the taper is gradually reduced, and the fluctuation range of the wave is gradually enlarged; the inner cavity joint (61) is arranged at the lower end of the inner cavity (6), and threads are arranged on the inner cavity joint (61); the base (1) is provided with a joint hole (101), and the inner cavity joint (61) is in threaded connection with the joint hole (101); the middle end of the inner cavity (6) is provided with a conical round table (62), and the round table (62) is used for supporting the hollow thin-wall cylinder; the plurality of outer cavity blocks (51) are two conical half-round tables, three threaded outer cavity joints (53) are arranged at the lower ends of the outer cavity blocks (51), the outer cavity blocks (51) are connected with threaded holes on the sliding blocks (4) through the outer cavity joints (53), and each outer cavity block (51) is connected with three sliding blocks (4); the number of the sliding grooves (25) is six, and the sliding grooves are symmetrically arranged in pairs; the sliding block (4) is placed in the sliding groove (25); the inside of the outer cavity (5) is provided with waves, the waves are conical, the waves gradually transition from the arc at the lowest end to the wave form, and the fluctuation range of the wave form gradually increases from bottom to top; the side end of the outer cavity block (51) is provided with a square table (52) with a threaded hole, and the outer cavity block (51) is connected with the connecting rod (15) through the threaded hole.
2. The processing device of the self-adaptive pressure-stabilizing throttle valve plate according to claim 1, wherein: the bottom of the base (1) is provided with a threaded hole, and the bottom plate (2) is provided with a through hole; the threaded hole is coaxial with the through hole of the bottom plate (2), and is used for connecting the base (1) with the bottom plate (2); the first supporting plate (3) and the second supporting plate (7) are coaxially fixed, and the first supporting plate (3) and the base (1) are coaxially fixed through a bolt I (8); the piston rod (11) and the connecting rod (15) are fixed through a bolt II (12); the connecting rod (15) is fixed with the outer cavity (5) through threads; the outer cavity (5) is connected with the sliding block (4) through threads; the inner cavity (6) is connected with the base (1) through threads.
3. The processing device of the self-adaptive pressure-stabilizing throttle valve plate according to any one of claims 1-2, characterized in that the piston cylinder (10) is driven by a hydraulic driving device; the hydraulic driving device comprises a unidirectional adjustable variable pump (19), a unidirectional valve (20), an overflow valve (21), a three-position four-way electromagnetic reversing valve (22) and an oil tank (23); the inlet of the unidirectional adjustable variable pump (19) of the three-position four-way electromagnetic reversing valve (22) is connected with an oil tank (23); the interface of the three-position four-way electromagnetic reversing valve (22) comprises a P port, a T port, an A port and a B port; the outlet of the unidirectional adjustable variable pump (19) is connected with the inlet of the unidirectional valve (20) and the inlet of the overflow valve (21) in parallel, and the outlet of the overflow valve (21) is connected with the oil tank (23); the outlet of the one-way valve (20) is connected with the P port of the three-position four-way electromagnetic directional valve (22), the T port of the three-position four-way electromagnetic directional valve (22) is connected with the oil tank (23), the A port of the three-position four-way electromagnetic directional valve (22) is connected with the left cavity oil port of the piston cylinder (10), and the B port of the three-position four-way electromagnetic directional valve (22) is connected with the right cavity oil port of the piston cylinder (10).
4. The processing device of the self-adaptive pressure-stabilizing throttle valve plate according to claim 1, wherein the plurality of outer cavity blocks (51) are four or eight or twelve fan-shaped circular truncated cones, each outer cavity block (51) comprises an arc transition section and a conical corrugated section, the arc in the arc transition section is contracted from bottom to top, the inner wall of the conical corrugated section is provided with corrugations, the fluctuation range of the corrugations from the big end to the small end is gradually enlarged, and a chute (25) is arranged on the base (1) corresponding to each outer cavity block (51); each outer cavity block (51) is connected with one sliding block (4); the sliding grooves (25) are uniformly arranged in the radial direction by taking the joint holes (101) as the circle center.
5. The adaptive pressure regulating throttle valve plate processing method for a processing device for an adaptive pressure regulating throttle valve plate according to any one of claims 1 to 4, comprising:
step 1: the thin-wall cylinder is sleeved on the inner cavity (6) and is placed in a circular groove (27) of the base (1);
step 2: under the drive of a hydraulic device, the piston rod (11) pushes the connecting rod (15) to move, the movement of the connecting rod (15) drives the sliding block (4) to move along the sliding groove (25) towards the direction close to the inner cavity (6), so as to drive the outer cavity block (51) of the outer cavity (5) to move towards the direction close to the inner cavity (6), the waveform of the outer cavity block (51) is meshed with the waveform on the inner cavity, and the thin-wall cylinder is extruded on the inner cavity (6), so that the self-adaptive pressure-stabilizing valve plate is formed;
step 3: under the drive of a hydraulic device, the outer cavity block (51) moves along the direction of the sliding groove (25) away from the inner cavity (6) so as to reset the outer cavity (5); pulling the control rod (17) leftwards, wherein the control rod (17) drives the annular sliding block (16) to perform clockwise rotation movement around the inner cavity (6), so that an inclined plane (202) at the lower end of the annular sliding block (16) slides upwards along an inclined plane (201) of an annular inclined block (28) of the bottom plate (2), the gasket (14) moves upwards, and the gasket (14) is positioned in the circular groove (27) and below the throttling and pressure stabilizing valve plate, and finally the pressure stabilizing valve plate is ejected upwards;
step 4: the machined pressure stabilizing valve plate is taken down, the operating rod (17) is pushed rightwards to drive the annular sliding block (16) to rotate around the inner cavity (6) in the anticlockwise direction, the inclined plane (202) at the lower end of the annular sliding block (16) slides downwards along the inclined plane (201) of the annular inclined block (28) of the bottom plate 2, the gasket (14) moves downwards, and the demoulding unit is reset to finish one-time machining.
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4571800A (en) * | 1983-07-11 | 1986-02-25 | Thiokol Corporation | Method for explosively forming an auxiliary exit cone for the nozzle of a rocket motor |
| EP0694747A2 (en) * | 1994-07-25 | 1996-01-31 | Sanden Corporation | Heat exchanger |
| CN1443101A (en) * | 2000-07-19 | 2003-09-17 | 倍塔斯威奇有限公司 | Hydraulic swage press |
| CN1734092A (en) * | 2004-08-13 | 2006-02-15 | 托马斯工业股份有限公司 | Linear pump with exhaust pulsation attenuation |
| CN101263243A (en) * | 2005-09-09 | 2008-09-10 | 应用材料股份有限公司 | Flow-formed chamber component having a textured surface |
| CN102756025A (en) * | 2012-07-31 | 2012-10-31 | 福建省晋江市佶龙机械工业有限公司 | Bellows manufacturing machine and bellows production process thereof |
| CN104841721A (en) * | 2015-05-28 | 2015-08-19 | 成都宏明双新科技股份有限公司 | Radial molding and processing system for thin-wall pipe |
| CN105179335A (en) * | 2015-09-07 | 2015-12-23 | 江苏大学 | Hydraulic steering engine control system |
| CN106881421A (en) * | 2017-02-27 | 2017-06-23 | 六安六八航空航天精密器件有限公司 | A kind of pneumatic pipe reducing device |
| CN206405264U (en) * | 2017-01-19 | 2017-08-15 | 东莞市全鹏电子科技有限公司 | A pressing machine |
| CN108454036A (en) * | 2018-01-26 | 2018-08-28 | 宁波双林模具有限公司 | A kind of big glue mouth automatic material cutting device of injection mold |
| CN108607886A (en) * | 2018-07-17 | 2018-10-02 | 重庆亨睿达机械有限公司 | Gear extrusion molding machine |
| CN109530537A (en) * | 2018-11-20 | 2019-03-29 | 中北大学 | Magnetic force micro-pits machining device |
| CN109746276A (en) * | 2019-02-27 | 2019-05-14 | 河南科技大学 | A hydraulic press for wheel hub forming |
| CN109894859A (en) * | 2019-03-26 | 2019-06-18 | 中北大学 | Assembly device for ultrasonic transducer |
| CN209109947U (en) * | 2018-11-23 | 2019-07-16 | 深圳市成兴印刷有限公司 | A kind of adjustable hole punched device of automatic moulding machine combined type |
| CN111069433A (en) * | 2020-01-07 | 2020-04-28 | 燕山大学 | Large-volume oil sump integral molding compound mold with lugs |
| CN210549753U (en) * | 2019-09-23 | 2020-05-19 | 合肥益拓汽车零部件有限公司 | Machining clamp for circular hole-shaped workpiece |
| CN210880983U (en) * | 2019-09-29 | 2020-06-30 | 绵阳国顺电气有限公司 | Debugging mould for glass fiber reinforced plastic production |
| CN112371839A (en) * | 2020-10-21 | 2021-02-19 | 中北大学 | Machining device and machining method of self-adaptive voltage-stabilizing throttle valve plate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2324730C (en) * | 2000-10-26 | 2003-08-12 | Noetic Eng Inc | Method of reducing slot width in slotted tubular lmethod of reducing slot width in slotted tubular liners iners |
| US7694402B2 (en) * | 2005-08-01 | 2010-04-13 | Packless Metal Hose, Inc. | Method for forming a lined conduit |
| JP6928484B2 (en) * | 2017-06-02 | 2021-09-01 | 伸和コントロールズ株式会社 | Three-way valve for flow control and temperature control device using this |
| US10883714B2 (en) * | 2018-04-03 | 2021-01-05 | Sunny Liu | Stove, flame port structure disposed in a stove and method of making flame port structure |
-
2020
- 2020-10-21 CN CN202011134061.9A patent/CN112371839B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4571800A (en) * | 1983-07-11 | 1986-02-25 | Thiokol Corporation | Method for explosively forming an auxiliary exit cone for the nozzle of a rocket motor |
| EP0694747A2 (en) * | 1994-07-25 | 1996-01-31 | Sanden Corporation | Heat exchanger |
| CN1443101A (en) * | 2000-07-19 | 2003-09-17 | 倍塔斯威奇有限公司 | Hydraulic swage press |
| CN1734092A (en) * | 2004-08-13 | 2006-02-15 | 托马斯工业股份有限公司 | Linear pump with exhaust pulsation attenuation |
| CN101263243A (en) * | 2005-09-09 | 2008-09-10 | 应用材料股份有限公司 | Flow-formed chamber component having a textured surface |
| CN102756025A (en) * | 2012-07-31 | 2012-10-31 | 福建省晋江市佶龙机械工业有限公司 | Bellows manufacturing machine and bellows production process thereof |
| CN104841721A (en) * | 2015-05-28 | 2015-08-19 | 成都宏明双新科技股份有限公司 | Radial molding and processing system for thin-wall pipe |
| CN105179335A (en) * | 2015-09-07 | 2015-12-23 | 江苏大学 | Hydraulic steering engine control system |
| CN206405264U (en) * | 2017-01-19 | 2017-08-15 | 东莞市全鹏电子科技有限公司 | A pressing machine |
| CN106881421A (en) * | 2017-02-27 | 2017-06-23 | 六安六八航空航天精密器件有限公司 | A kind of pneumatic pipe reducing device |
| CN108454036A (en) * | 2018-01-26 | 2018-08-28 | 宁波双林模具有限公司 | A kind of big glue mouth automatic material cutting device of injection mold |
| CN108607886A (en) * | 2018-07-17 | 2018-10-02 | 重庆亨睿达机械有限公司 | Gear extrusion molding machine |
| CN109530537A (en) * | 2018-11-20 | 2019-03-29 | 中北大学 | Magnetic force micro-pits machining device |
| CN209109947U (en) * | 2018-11-23 | 2019-07-16 | 深圳市成兴印刷有限公司 | A kind of adjustable hole punched device of automatic moulding machine combined type |
| CN109746276A (en) * | 2019-02-27 | 2019-05-14 | 河南科技大学 | A hydraulic press for wheel hub forming |
| CN109894859A (en) * | 2019-03-26 | 2019-06-18 | 中北大学 | Assembly device for ultrasonic transducer |
| CN210549753U (en) * | 2019-09-23 | 2020-05-19 | 合肥益拓汽车零部件有限公司 | Machining clamp for circular hole-shaped workpiece |
| CN210880983U (en) * | 2019-09-29 | 2020-06-30 | 绵阳国顺电气有限公司 | Debugging mould for glass fiber reinforced plastic production |
| CN111069433A (en) * | 2020-01-07 | 2020-04-28 | 燕山大学 | Large-volume oil sump integral molding compound mold with lugs |
| CN112371839A (en) * | 2020-10-21 | 2021-02-19 | 中北大学 | Machining device and machining method of self-adaptive voltage-stabilizing throttle valve plate |
Non-Patent Citations (4)
| Title |
|---|
| 纳秒激光刻蚀加工微结构的材料差异性研究;黎相孟等;第五届激光先进制造技术应用研讨会会议手册;104-112 * |
| 自导向弯孔加工流场的数值模拟及试验研究;郑璐钧等;《组合机床与自动化加工技术》;20160531(第5期);55-58 * |
| 金属波纹管液压成形工艺优化系统开发;苏明;《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》;20170815;B022-188 * |
| 高精度锥形件冲压工艺及模具设计;余承辉等;模具制造;19-21 * |
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