CN114850836B - Pipe demolding equipment and pipe demolding method - Google Patents
Pipe demolding equipment and pipe demolding method Download PDFInfo
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- CN114850836B CN114850836B CN202210446667.9A CN202210446667A CN114850836B CN 114850836 B CN114850836 B CN 114850836B CN 202210446667 A CN202210446667 A CN 202210446667A CN 114850836 B CN114850836 B CN 114850836B
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- hydraulic cylinder
- mandrel
- core mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/025—For detaching only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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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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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The application discloses pipe demolding equipment which is used for removing a pipe on the periphery of a core mold and comprises a frame, a core mold clamping device and a demolding device; the core mold clamping device is arranged at the end part of the frame and used for clamping and fixing the end part of the core mold; the demoulding device is located at one end of the frame, which is close to the core mould clamping device, and comprises a retainer ring, a hydraulic cylinder and a baffle plate, wherein the retainer ring is annular, is sleeved at the periphery of the core mould and abuts against the end part of the pipe, a piston rod of the hydraulic cylinder is fixedly connected with the baffle plate to drive the baffle plate to move along the axial direction of the core mould, so that the baffle plate abuts against one side of the retainer ring, which is far away from the pipe, and drives the retainer ring and the pipe abutting against the retainer ring to move along the axial direction of the core mould. According to the application, the check ring is driven to move by the hydraulic cylinder and the baffle plate to drive the pipe to move, so that the driving force of the hydraulic cylinder is large, and the pipe is easy to release close contact with the core mold. In addition, the application also discloses a demolding method of the pipe.
Description
Technical Field
The application relates to the technical field of pipe processing, in particular to pipe demolding equipment and a pipe demolding method.
Background
When carrying out follow-up processing to tubular product, in order to avoid when exerting too big pressure to tubular product and break, often can establish its inseparable cover in the mandrel periphery earlier, take off it from the mandrel after the processing is accomplished, adopts the manual work to take off tubular product from the mandrel at present more, and the drawing of patterns process needs to exert great power, and the manual work is difficult to realize, and easily leads to tubular product inner wall fish tail, damage.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide a pipe demoulding device, which comprises a check ring, a hydraulic cylinder and a baffle, wherein a piston rod of the hydraulic cylinder is fixedly connected with the baffle to drive the baffle to move along the axial direction of a core mould, so that the baffle is abutted against one side of the check ring far away from a pipe and drives the check ring and the pipe abutted against the check ring to move along the axial direction of the core mould, the driving force of the hydraulic cylinder is larger, the pipe is easy to be in close contact with the core mould, and the hydraulic cylinder and the pipe are in indirect contact, so that the pipe is prevented from being broken due to the direct action of the hydraulic cylinder on the pipe.
In order to achieve the above purpose, the technical means adopted by the application are as follows: a pipe demoulding device is used for removing a pipe on the periphery of a mandrel and comprises a frame, a mandrel clamping device and a demoulding device; the core mold clamping device is arranged at the end part of the frame and used for clamping and fixing the end part of the core mold; the demoulding device is located at one end of the frame, which is close to the core mould clamping device, and comprises a retainer ring, a hydraulic cylinder and a baffle plate, wherein the retainer ring is annular, is sleeved at the periphery of the core mould and abuts against the end part of the pipe, a piston rod of the hydraulic cylinder is fixedly connected with the baffle plate to drive the baffle plate to move along the axial direction of the core mould, so that the baffle plate abuts against one end of the retainer ring, which is far away from the pipe, and drives the retainer ring and the pipe abutting against the retainer ring, to move along the axial direction of the core mould.
The two hydraulic cylinders are arranged on two sides of the mandrel clamping device along the radial direction of the mandrel. Compared with one hydraulic cylinder, the two hydraulic cylinders are arranged to enable the force applied to the baffle plate by the two hydraulic cylinders to be more uniform and stable, and the stress on two sides of the pipe is more consistent, so that the pipe is easier to separate.
The core mold clamping device comprises an upper top hydraulic cylinder, an upper top clamping seat, two guide plates which are vertically arranged, and a clamping piece which is arranged above the upper top clamping seat, wherein the two guide plates are mutually parallel, the upper top clamping seat is in sliding connection with the two guide plates, and a piston rod of the upper top hydraulic cylinder is fixedly connected with the upper top clamping seat so as to drive the upper top clamping seat to move between the two guide plates and enable the core mold to be in butt joint with the clamping piece. The setting of top pneumatic cylinder can be steadily fixed the mandrel between top grip slipper and the grip slipper, and the centre gripping and the relaxation of the mandrel of being convenient for.
The core mold clamping device further comprises a pressing hydraulic cylinder, a piston rod of the pressing hydraulic cylinder is fixedly connected with the clamping piece to drive the clamping piece to move between the two guide plates, and the upper top clamping seat and the clamping piece are matched to clamp the core mold. The structure of the hydraulic cylinder is pressed down by the upper top hydraulic cylinder, so that the clamping is more stable and reliable.
The piston rod of the upper top hydraulic cylinder is connected with the upper top clamping seat through the first transition plate, the first gland and the first ball head; the first ball head, the first transition plate and a piston rod of the upper-top hydraulic cylinder are sequentially and fixedly connected; the length of the first transition plate is larger than the diameter of a piston rod of the upper-top hydraulic cylinder, and the first gland is fixedly connected with the upper-top clamping seat and is clamped with the part of the first transition plate, which exceeds the piston rod of the upper-top hydraulic cylinder; the upper top clamping seat is provided with a first groove for accommodating the first ball head. The connecting structure enables the upper top hydraulic cylinder to bear larger unbalanced load force, and further can reduce the requirements on other structural precision in the core mold clamping device.
The piston rod of the downward pressing hydraulic cylinder is connected with the clamping piece through the second transition plate, the second gland and the second ball head; the second ball head, the second transition plate and a piston rod of the downward-pressing hydraulic cylinder are sequentially and fixedly connected; the length of the second transition plate is larger than the diameter of a piston rod of the pressing hydraulic cylinder, and the second gland is fixedly connected with the clamping piece and is clamped with the part of the second transition plate, which exceeds the piston rod of the pressing hydraulic cylinder; the clamping piece is provided with a second groove for accommodating the second ball head. The connecting structure enables the downward-pressing hydraulic cylinder to bear larger unbalanced load force, and further can reduce the requirements on other structural precision in the core mold clamping device.
The auxiliary demoulding device comprises a clamping mechanism and a driving mechanism, the clamping mechanism clamps the check ring, the height of the clamping mechanism is adjustable, and the driving mechanism drives the clamping mechanism to axially move along the core mold in the machine frame, so that the check ring and a pipe abutted to the check ring are driven to axially move along the core mold. Because the maximum stroke of the piston rod of the hydraulic cylinder is fixed, when the piston rod of the hydraulic cylinder runs to the maximum stroke, the pipe is not in close contact with the core mould, an auxiliary demoulding device can be additionally arranged, a driving mechanism of the auxiliary demoulding device can drive the clamping mechanism to move on the frame along the axial direction of the core mould, and the stroke range is large, so that the pipe is in close contact with the core mould.
The clamping mechanism comprises two holding claws which can move along the radial direction of the core mold, and the clamping motor drives the two holding claws to clamp or loosen the retainer ring. The two holding claws are driven by one clamping motor at the same time, so that the asynchronous starting of the motors caused by the adoption of the two motors can be avoided, and uneven clamping force is caused.
The application also provides a demolding method of the pipe, which uses the pipe demolding equipment and comprises the following steps:
s1: sleeving the check ring at one end of the core mold, so that the check ring is abutted against one end of the pipe;
s2: fixing one end of the core mould, which is sleeved with the check ring, by using a core mould clamping device;
s3: the hydraulic cylinder drives the baffle to move along the axial direction of the core mold, so that the baffle is abutted against one side of the check ring, which is far away from the pipe, and drives the check ring and the pipe abutted against the check ring to move along the axial direction of the core mold, which is far away from the core mold clamping device, so that the pipe and the core mold are released from close contact;
s4: and (3) moving the pipe to completely separate the pipe from the core mold.
The application also discloses a demolding method of the pipe, which uses the pipe demolding equipment and comprises the following steps:
s1: sleeving the check ring at one end of the core mold, so that the check ring is abutted against one end of the pipe;
s2: fixing one end of the core mould, which is sleeved with the check ring, by using a core mould clamping device;
s3: the hydraulic cylinder drives the baffle to move along the axial direction of the core mold, so that the baffle abuts against one side of the check ring, which is far away from the pipe, and drives the baffle to move along the axial direction of the core mold in a direction far away from the core mold clamping device;
s4: the hydraulic cylinder drives the baffle to move along the axial direction of the core mold to the direction close to the core mold clamping device;
s5: the auxiliary demolding device is moved to one end of the core mold close to the core mold clamping device, the clamping mechanism clamps the check ring, and the driving mechanism drives the clamping mechanism to move in the machine frame along the axial direction of the core mold and away from the core mold clamping device, so that the check ring and a pipe abutting against the check ring are driven to move along the axial direction of the core mold and away from the core mold clamping device, and the pipe is released from close contact with the core mold;
s6: and (3) moving the pipe to completely separate the pipe from the core mold.
The beneficial effects of the application are as follows: the application is provided with the retainer ring which can be sleeved on the periphery of the core mold and is abutted against the end part of the pipe, the piston rod of the hydraulic cylinder is fixedly connected with the retainer plate to drive the retainer plate to move along the axial direction of the core mold, so that the retainer plate is abutted against one side of the pipe and drives the retainer plate to drive the retainer plate and the pipe abutted against the retainer plate to move along the axial direction of the core mold, the driving force of the hydraulic cylinder is larger, the pipe and the core mold are easy to be released from close contact, the pipe is prevented from being broken due to indirect contact between the hydraulic cylinder and the pipe, and in addition, the pipe demoulding equipment does not directly act on the periphery of the pipe, so that the pipe demoulding equipment can be suitable for pipes with different sizes.
Meanwhile, a piston rod of the upper hydraulic cylinder is connected with the upper clamping seat through the first transition plate, the first gland and the first ball head, so that the situation that the piston rod of the upper hydraulic cylinder is inclined in the extending or retracting process to cause the acting force exerted on the piston rod of the upper hydraulic cylinder to have offset load is avoided, the sealing effect of a axial sealing element in the upper hydraulic cylinder is affected, and oil leakage and oil seepage of the upper hydraulic cylinder are caused, so that production accidents are caused.
In addition, the application also discloses an auxiliary demoulding device, when the piston rod of the hydraulic cylinder runs to the maximum stroke, the pipe is not in close contact with the core mould, the auxiliary demoulding device can be additionally arranged, the driving mechanism of the auxiliary demoulding device can drive the clamping mechanism to move on the frame along the axial direction of the core mould, the stroke range is large enough to enable the pipe to be in close contact with the core mould, and the clamping retainer ring of the clamping mechanism can avoid pipe breakage caused by directly clamping the pipe.
Drawings
FIG. 1 is a schematic view of a pipe stripping apparatus 100 according to an embodiment of the present application;
FIG. 2 is an enlarged schematic view of FIG. 1 at A in an application scenario;
FIG. 3 is an enlarged schematic view of FIG. 1 at A in another application scenario;
fig. 4 is a schematic cross-sectional view of the connection structure of the piston rod 1211 of the upper head cylinder 121 and the upper head holder 122;
FIG. 5 is a schematic view of a pipe stripping apparatus 100 according to another embodiment of the present application;
fig. 6 is an enlarged schematic view at B in fig. 5.
Detailed Description
As required, specific embodiments of the present application will be disclosed herein. However, it is to be understood that the embodiments disclosed herein are merely exemplary of the application, which may be embodied in various forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately manner, including employing the various features disclosed herein in connection with features that may not be explicitly disclosed.
In one embodiment, referring to fig. 1 and 2, a pipe demolding apparatus 100 for removing a pipe at the outer periphery of a mandrel includes a frame 110, a mandrel clamping device 120, and a demolding device 130; the core mold clamping device 120 is arranged at the end part of the frame 110 and used for clamping and fixing the end part of the core mold; the demoulding device 130 is located at one end of the frame 110, which is close to the mandrel clamping device 120, and comprises a retainer ring 131, a hydraulic cylinder 132 and a baffle 133, wherein the retainer ring 131 is annular, is sleeved on the periphery of the mandrel and abuts against the end part of the tube, a piston rod of the hydraulic cylinder 132 is fixedly connected with the baffle 133 to drive the baffle 133 to move along the axial direction of the mandrel, so that the baffle 133 abuts against one end of the retainer ring 131, which is far away from the tube, and the baffle 133 is driven to drive the retainer ring 131 and the tube abutting against the retainer ring 131 to move along the axial direction of the mandrel. The driving force of the hydraulic cylinder 132 is larger, the pipe and the core mold are easy to release from close contact, the hydraulic cylinder 132 and the pipe are in indirect contact, the pipe is prevented from being broken due to the fact that the hydraulic cylinder 132 directly acts on the pipe, and in addition, the pipe demolding device 100 does not directly act on the periphery of the pipe, so that the pipe demolding device 100 can be suitable for pipes with different sizes.
Specifically, the retainer ring 131 is annular, and is sleeved on the outer periphery of the core mold and abuts against the end of the pipe, in this embodiment, the retainer ring 131 is annular, the inner diameter of the retainer ring 131 is slightly larger than the inner diameter of the core mold, the retainer ring 131 can be sleeved on the outer periphery of the core mold and can freely move on the core mold, and the inner diameter of the retainer ring 131 is smaller than the outer diameter of the pipe, so that the retainer ring 131 abuts against the end of the pipe.
In other embodiments, if the pipe and the core are square or have other shapes, the shape of the inner ring of the retainer ring is changed, so that the retainer ring can be sleeved on the periphery of the core and can move freely on the core.
In this embodiment, the retainer ring 131 is an integrally formed structure, and when the pipe is demolded, since the inner diameter of the retainer ring 131 is smaller than the outer diameter of the pipe sleeved on the core mold, the retainer ring 131 cannot be sleeved from the end of the core mold away from the core mold clamping device 120 to the end of the core mold close to the core mold clamping device 120, so that the retainer ring 131 needs to be sleeved at the end of the core mold close to the core mold clamping device 120 before the core mold is clamped by the core mold clamping device 120. When the pipe is sleeved, the end of the core mould far away from the core mould clamping device 120 is suspended without any restriction, and the check ring 131 with an integrated structure can be sleeved freely, so that the restriction and the requirement are avoided. Compared with the method that the baffle 133 is directly used for driving the pipe to move, the retainer ring 131 can be arranged to be abutted against the whole end of the pipe, so that the pipe is uniformly stressed, and the pipe is prevented from being broken due to stress concentration caused by local stress.
In the present embodiment, two hydraulic cylinders 132 are provided, which are located on both sides of the core clamping device 120 in the radial direction of the core. Compared with one hydraulic cylinder, the two hydraulic cylinders 132 are arranged to enable the force applied to the baffle 133 by the two hydraulic cylinders to be more uniform and stable, and the stress on two sides of the pipe tends to be more uniform, so that the pipe is easier to separate.
In other embodiments, the position and number of hydraulic cylinders are not limited as long as the shutter can be driven to move in the axial direction of the core mold.
The baffle 133 is provided with a groove to accommodate the core mold, and the size of the groove on the baffle 133 can be slightly larger than that of the core mold to adapt to core molds of different sizes, so long as the baffle 133 can be abutted with the retainer ring 131, the groove on the baffle 133 can not be penetrated by the retainer ring 131. The slide rail is arranged on the frame 110 along the axial direction of the core mold, the baffle 133 is provided with the slide block matched with the slide rail on the frame 110, so that the baffle 133 can move on the frame 110 along the axial direction of the core mold, the baffle 133 is connected with the slide rail on the frame 110 to play a guiding role, and the deflection of the baffle 133 is avoided. The piston rod of the hydraulic cylinder 132 is fixedly connected with the baffle 133 through a fastener, so that the baffle 133 is convenient to install and replace.
In an application scenario, as shown in fig. 3, the core mold clamping device 120 includes an upper hydraulic cylinder 121, an upper clamping seat 122, two guide plates 123 vertically arranged, and a clamping member 124 disposed above the upper clamping seat 122, where the two guide plates 123 are disposed parallel to the axial direction of the core mold, the upper clamping seat 122 is slidably connected with the two guide plates 123, and a piston rod 1211 of the upper hydraulic cylinder 121 is fixedly connected with the upper clamping seat 122 to drive the upper clamping seat 122 to move between the two guide plates 123 and to abut the core mold against the clamping member 124. The upper hydraulic cylinder 121 is provided to stably fix the core mold between the upper clamping seat 122 and the clamping member 124, and to facilitate clamping and releasing of the core mold, and to facilitate mounting and dismounting in the demolding process.
Specifically, the guide plates 123 are provided with sliding rails along the vertical direction, and the sliding rails on the two guide plates 123 are arranged in opposite directions along the radial direction of the core mold, and the two ends of the upper top clamping seat 122 are provided with sliding blocks matched with the sliding rails on the guide plates 123, so that the upper top clamping seat 122 is slidably connected with the two guide plates 123, so that the upper top clamping seat 122 can move along the vertical direction under the driving of the upper top hydraulic cylinder 121. The clamping piece 124 and the upper top clamping seat 122 are oppositely arranged along the vertical direction, two ends of the clamping piece 124 are fixedly connected with the two guide plates 123, grooves are formed in the upper top clamping seat 122 and the clamping piece 124, and the grooves in the upper top clamping seat 122 are correspondingly matched with the grooves in the clamping piece 124 and are oppositely arranged to accommodate the spindle heads of the core mold. When the core mold clamping device 120 operates, the piston rod 1211 of the upper top hydraulic cylinder 121 extends in the vertical direction, and drives the upper top clamping seat 122 connected thereto to move upward in the vertical direction between the two guide plates 123 until the core mold shaft head placed in the groove on the upper top clamping seat 122 abuts against the top of the groove on the clamping member 124, thereby completing the clamping process of the core mold. When the piston rod 1211 of the upper top hydraulic cylinder 121 is retracted in the vertical direction, the upper top clamping seat 122 connected thereto is driven to move downward in the vertical direction between the two guide plates 123, thereby completing the releasing process of the core mold.
In another application scenario, as shown in fig. 2, the mandrel clamping device 120 further includes a pressing hydraulic cylinder 125, and a piston rod (not shown in the drawing) of the pressing hydraulic cylinder 125 is fixedly connected to the clamping member 124 to drive the clamping member 124 to move between the two guide plates 123, so that the clamping member 124 cooperates with the upper top clamping seat 122 to clamp the mandrel. The structure of the upper top hydraulic cylinder 121 and the lower pressure hydraulic cylinder 125 in cooperation makes the clamping of the core mold more stable and reliable.
At this time, the clamping piece 124 and the upper top clamping seat 122 are oppositely arranged along the vertical direction, and the clamping piece 124 is slidably connected with the two guide plates 123, that is, two ends of the clamping piece 124 are also provided with sliding blocks matched with the sliding rails on the guide plates 123, so that the pressing hydraulic cylinder 125 can drive the clamping piece 124 to move along the vertical direction between the two guide plates 123. When the core mold clamping device 120 operates, the piston rod 1211 of the upper top hydraulic cylinder 121 extends in the vertical direction to drive the upper top clamping seat 122 connected thereto to move upward in the vertical direction, and/or the piston rod of the lower pressure hydraulic cylinder 125 extends in the vertical direction to drive the clamping member 124 connected thereto to move downward in the vertical direction until the core mold shaft head placed in the groove on the upper top clamping seat 122 abuts against the top of the groove on the clamping member 124, thereby completing the clamping process of the core mold. The piston rod 1211 of the upper top hydraulic cylinder 121 is retracted in a vertical direction to drive the upper top clamping seat 122 connected thereto to move downward in a vertical direction between the two guide plates 123, and/or the piston rod of the lower hydraulic cylinder 124 is retracted in a vertical direction to drive the clamping piece 125 connected thereto to move upward in a vertical direction between the two guide plates 123, thereby completing the releasing process of the core mold.
Referring to fig. 4, in order to prevent the hydraulic cylinder from being damaged due to the fitting deviation of the internal structure of the core mold clamping means 120, the present application provides a series of anti-unbalanced load structures between the piston rod 1211 of the upper top hydraulic cylinder 121 and the upper top clamping block 122. Specifically, a first groove is disposed on the upper top clamping seat 122, a first ball head 126 matched with the first groove is disposed, and the first ball head 126 is sequentially and fixedly connected with a first transition plate 127 and a piston rod 1211 of the upper top hydraulic cylinder 121, wherein the length of the first transition plate 127 is greater than the diameter of the piston rod 1211 of the upper top hydraulic cylinder 121, and a portion, which is fixedly connected with the upper top clamping seat 122, of the first gland 128 and is clamped with the first transition plate 127 beyond the piston rod 1211 of the upper top hydraulic cylinder 121 is disposed. The connection structure between the piston rod 1211 of the upper hydraulic cylinder 121 and the upper clamping seat 122 can avoid that the upper clamping seat 122 tilts during the reciprocating motion of the piston rod 1211 of the upper hydraulic cylinder 121 so that the upper clamping seat 122 has offset load on the acting force applied by the piston rod 1211 of the upper hydraulic cylinder 121, thereby affecting the sealing effect of the axial sealing element in the upper hydraulic cylinder 121, causing oil leakage and oil seepage of the upper hydraulic cylinder 121 and causing production accidents, and the connection structure enables the upper hydraulic cylinder 121 to bear larger offset load force, thereby reducing the requirements on other structural precision in the mandrel clamping device 120.
Specifically, the first ball head 126 is hemispherical, and a through hole is formed along the radial direction of the vertical direction for the fastener to penetrate through, so that the first ball head 126 is fixedly connected with the first transition plate 127, in the embodiment, the first ball head 126 and the first transition plate 127 are separately arranged, the processing is convenient, when a part is damaged, only the damaged part can be replaced, the whole replacement is not needed, and the cost is saved. In other embodiments, the first ball head and the first transition plate may be formed integrally, which is convenient for installation. The first transition plate 127 is fixedly connected with the piston rod 1211 of the upper hydraulic cylinder 121 through a fastener, so that the first ball head 126, the first transition plate 127 and the piston rod 1211 of the upper hydraulic cylinder 121 are sequentially and fixedly connected.
When the upper top hydraulic cylinder 121 drives the upper top clamping seat 122 to move along the vertical direction, the gravity of the upper top clamping seat 122 and the gravity of the core mold will apply pressure to the piston rod 1211 of the upper top hydraulic cylinder 121, and since the centers of gravity of the upper top clamping seat 122 and the core mold are not located on the same line with the axis of the piston rod 1221, the upper top clamping seat 122 and the core mold have unbalanced load on the pressure applied to the piston rod 1211 of the upper top hydraulic cylinder 121, and the upper top hydraulic cylinder 121 is damaged. In addition, when the two ends of the upper top clamping seat 122 connected to the two guide plates 123 are not on the same horizontal plane, the reaction force applied by the upper top clamping seat 122 to the piston rod 1211 of the upper top hydraulic cylinder 121 may also have an unbalanced load. According to the application, the piston rod 1211 of the first ball head 126 connected with the upper-top clamping seat 122 and the upper-top hydraulic cylinder 121 can absorb the side inclination of the first ball head 126 in the circumferential direction, so that the unbalanced load resistance of the upper-top hydraulic cylinder 121 is improved.
The first transition plate 127 is a rectangular plate, the length of the first transition plate 127 is larger than the diameter of a piston rod 1211 of the upper top hydraulic cylinder 121, the first gland 128 is fixedly connected with the upper top clamping seat 122 through a fastener, the first gland 128 comprises two first gland plates 1281, the vertical section of the first gland plates 1281 is L-shaped and comprises a horizontal plate 12811 and a vertical plate 12812, the two first gland plates 1281 are oppositely arranged, the first gland 128 is clamped with the part of the first transition plate 127 exceeding the piston rod 1211 of the upper top hydraulic cylinder 121, and when the piston rod 1211 of the upper top hydraulic cylinder 121 is retracted, the part of the first transition plate 127 exceeding the piston rod 1211 of the upper top hydraulic cylinder 121 is abutted against the horizontal plate 12811, so that the upper top clamping seat 122 fixedly connected with the first gland 128 is driven to move downwards. And a gap is reserved at the contact surface of the first gland 128 and the first transition plate 127, so that the hydraulic cylinder 121 on the upper top can be protected. When the upper top clamping seat 122 is slightly inclined, the reaction force applied by the upper top clamping seat 122 to the piston rod 1211 of the upper top hydraulic cylinder 121 is Xu Pianzai, and if no gap is provided, the unbalanced load force directly acts on the piston rod 1211 of the upper top hydraulic cylinder 121, so that the upper top hydraulic cylinder 121 is easily damaged; if a gap is provided, the piston rod 1211 of the upper hydraulic cylinder 121 drives the first transition plate 127 to move linearly, and the upper clamping seat 122 can not incline and keep horizontal any more through the abutting of the first transition plate 127 and the first gland 128, i.e. the gap can absorb smaller unbalanced load. In addition, if the first transition plate 127 is directly and fixedly connected with the upper top clamping seat 122 through a fastener, the fastener is easy to break under the action of traction force, and the first pressing cover 128 provided in the application can improve the firmness of connection.
Referring to fig. 2, the connection manner between the piston rod of the lower hydraulic cylinder 125 and the clamping member 124 is identical to the connection manner between the piston rod 1211 of the upper hydraulic cylinder 121 and the upper clamping seat 122, that is, the piston rod of the lower hydraulic cylinder 125 is connected to the clamping member 124 through the second transition plate, the second gland and the second ball head; the second ball head, the second transition plate and a piston rod of the pressing hydraulic cylinder 125 are fixedly connected in sequence; the length of the second transition plate is larger than the diameter of a piston rod of the pressing hydraulic cylinder 125, and the second gland is fixedly connected with the clamping piece 124 and is clamped with the part of the second transition plate, which exceeds the piston rod of the pressing hydraulic cylinder 125; the clamping member 124 is provided with a second groove to accommodate the second ball head, which will not be described herein.
In another embodiment, as shown in fig. 5, an auxiliary demolding device 140 is further disposed on the stand 110, and in combination with fig. 6, the auxiliary demolding device 140 includes a clamping mechanism 141 and a driving mechanism 142, the clamping mechanism 141 clamps the retainer ring 131, the height of the clamping mechanism 141 is adjustable, and the driving mechanism 142 drives the clamping mechanism 141 to move along the axial direction of the mandrel on the stand 110, so as to drive the retainer ring 131 and the pipe abutting against the retainer ring 131 to move along the axial direction of the mandrel. Because the maximum stroke of the piston rod of the hydraulic cylinder 132 is fixed, when the piston rod of the hydraulic cylinder 132 runs to the maximum stroke, the pipe is not in close contact with the core mold, the auxiliary demolding device 140 can be additionally arranged, the driving mechanism 142 of the auxiliary demolding device 140 can drive the clamping mechanism 141 to move on the frame 110 along the axial direction of the core mold, and the stroke range is large, so that the pipe is in close contact with the core mold.
Specifically, referring to fig. 6, the clamping mechanism 141 includes two holding claws 1411, two holding claw supporting frames 1412 and a base 1413, the two holding claw supporting frames 1412 are disposed on the base 1413 along the radial direction of the mandrel, the two holding claws 1411 are respectively located on opposite sides of the two holding claw supporting frames 1412, so that the two holding claws 1411 are also disposed along the radial direction of the mandrel, when the two holding claw supporting frames 1412 move back and forth along the radial direction of the mandrel, the two holding claws 1411 can clamp and loosen the retainer ring 131, and the force applied on both sides of the retainer ring 131 when the clamping mechanism 141 clamps the retainer ring 131 is the same, so that the offset of the retainer ring 131 is avoided, the force acting on the pipe is more balanced, and damage to the pipe is avoided. The radial direction of the core mold in the application is the radial direction of the core mold perpendicular to the axial direction of the core mold on the horizontal plane.
The holding claw 1411 is detachably fixed on the holding claw supporting frame 1412, and can be connected or clamped and fixed by a fastener, so that the holding claws 1411 with different specifications (mainly the outer diameter size) can be replaced according to the check rings 131 with different specifications, and the applicability of the equipment is improved. The claw holding support frame 1412 is provided with a plurality of mounting holes along the vertical direction, and the claw holding 1411 can be assembled with the claw holding support frame 1412 through different mounting holes according to different requirements, so that the height of the claw holding 1411 is adjusted, the height of the clamping mechanism 141 is adjustable, the adjusting mode is low in cost, the application range of the pipe demolding device 100 is wider, and good economic benefits are achieved. The two opposite surfaces of the holding claws 1411 are arc-shaped, so that the holding claws 1411 can be adapted to the retainer ring 131 with different specification and sizes in a certain range, and when the retainer ring 131 is changed in a small range, the holding claws 1411 can be also adapted without replacement, thereby improving the working efficiency. Meanwhile, the flexible material is additionally arranged on the contact surface of the holding claw 1411 and the retainer ring 131, and the contact surface between the holding claw 1411 and the retainer ring 131 is increased due to the fact that the flexible material can be bent elastically, so that the friction force between the holding claw 1411 and the retainer ring 131 is increased, and the phenomenon that the relative sliding between the clamping mechanism 141 and the retainer ring 131 is caused due to the fact that the clamping mechanism 141 cannot be in close contact with the retainer ring 131 when the auxiliary demoulding device 140 moves is avoided, and the demoulding effect is affected. The flexible material may be polyurethane or rubber, and is not limited herein.
In other embodiments, the opposite surfaces of the two holding claws can also be V-shaped, and the holding claws are used for clamping the periphery of the check ring, so that when the specifications of the pipe and the core mold are changed, the inner diameter of the check ring can be changed only, and the outer diameter of the check ring is kept unchanged, and therefore the holding claws do not need to be replaced, and the die stripping device can be suitable for stripping pipes with different sizes.
Further, a sliding rail is arranged on the base 1413 along the radial direction of the core mold, a sliding block is arranged on the claw holding support 1412, and the sliding block on the claw holding support 1412 is matched with the sliding rail on the base 1413, so that the claw holding support 1412 can move back and forth on the base 1413 along the radial direction of the core mold. The base 1413 is provided with a clamping motor (not shown in the figure), the clamping motor drives the two holding claw supporting frames 1412 to move in opposite directions, so that the two holding claws 1411 hold the retainer ring 131 at the same time, and the clamping motor drives the two holding claw supporting frames 1412 to move in opposite directions, so that the two holding claws 1411 release the retainer ring 131 at the same time. Specifically, a gear is disposed between the two claw holding support frames 1412 on the base 1413, two racks are disposed on two sides of the gear in a meshed manner, the two racks are disposed in parallel with each other and are fixedly connected with the two claw holding support frames 1412 through fasteners, and the clamping motor drives the gears to rotate so as to drive the racks to move, so that the two claw holding support frames 1412 are driven to move simultaneously, the two claw holding support frames 1412 are driven simultaneously by one clamping motor, and the problems that the clamping force of the clamping mechanism 141 is uneven and the retainer ring 131 is deviated due to the fact that the motor starting is asynchronous caused by the two motors can be avoided, and therefore pipe breakage caused by eccentric demolding force is avoided.
In other embodiments, two claw holding support frames can be driven simultaneously through the air cylinder, specifically, a gear is arranged between the two claw holding support frames, two racks are arranged on two sides of the gear, the two racks are arranged in parallel and are respectively fixedly connected with the two claw holding support frames through fasteners, one claw holding support frame is driven to move by the air cylinder, the racks connected with the claw holding support frame are driven to move, the gear is driven to move, and the gear drives the other rack to move the same distance, so that the two claw holding support frames drive the two claw holding synchronous movement, and stable clamping is achieved. Of course, there are other driving modes, and the driving modes are not limited herein, so long as the actual requirements are satisfied.
A slider matched with the slide rail on the frame 110 is provided on the bottom surface of the base 1413, so that the base 1413 can move on the frame 110 along the axial direction of the core mold. The driving mechanism 142 is disposed on the bottom surface of the base 1413, and the driving mechanism 142 drives the base 1413 to move on the frame 110 along the axial direction of the mandrel, so that the clamping mechanism 141 moves integrally along the axial direction of the mandrel, and thereby drives the retainer ring 131 and the pipe abutting against the retainer ring 131 to move along the axial direction of the mandrel.
In this embodiment, the driving mechanism 142 and the clamping motor are both servo motors, and the servo motors can precisely control the moving distance.
When the piston rod of the hydraulic cylinder 132 extends to the maximum stroke, the pipe and the core mold can be released from close contact, the auxiliary demolding device 140 does not operate, and at the moment, the auxiliary demolding device 140 is positioned at one end of the frame 110 far away from the demolding device 130, so that a space is reserved for the operation of the demolding device 130; when the piston rod of the hydraulic cylinder 132 extends to the maximum stroke, the pipe and the mandrel are not tightly contacted, and at the moment, the piston rod of the hydraulic cylinder 132 drives the baffle 133 to retract to the initial position, the driving mechanism 142 drives the auxiliary demoulding device 140 to move towards the direction close to the retainer ring 131 until the retainer ring 131 corresponds to the position of the clamping mechanism 141, and the driving mechanism 142 drives the clamping mechanism 141 to move towards the direction far away from the mandrel clamping device 120 after the retainer ring 131 is clamped by the clamping mechanism 141 until the pipe and the mandrel are tightly released.
In one embodiment, the pipe stripping apparatus 100 of the present application is operated to strip a pipe from the outer periphery of a mandrel comprising:
s1: the retainer ring 131 is sleeved at one end of the core mold, so that the retainer ring 131 is abutted against one end of the pipe.
S2: the end of the core mold, which is fitted with the retainer ring 131, is fixed by the core mold clamping means 120.
Specifically, in one embodiment, the piston rod 1211 of the upper head cylinder 121 is extended in the vertical direction, and the upper head holder 122 connected thereto is driven to move upward in the vertical direction between the two guide plates 123 until the mandrel head placed in the groove on the upper head holder 122 abuts the top of the groove on the grip 124, thereby completing the clamping of the mandrel. In another embodiment, the piston rod 1211 of the upper top hydraulic cylinder 121 is extended in a vertical direction to drive the upper top grip block 122 connected thereto to move upward in a vertical direction between the two guide plates 123, and/or the piston rod of the lower hydraulic cylinder 125 is extended in a vertical direction to drive the grip 124 connected thereto to move downward in a vertical direction between the two guide plates 123 until the mandrel head placed in the groove on the upper top grip block 122 abuts the top of the groove on the grip 124, thereby completing the gripping process of the mandrel.
The core clamping means 120 is not limited to this, and the prior art core clamping means can be applied to this method.
In another embodiment, if the retainer ring 131 is of a split structure, the core mold clamping device 120 may be used to fix the core mold, and then the retainer ring 131 is sleeved on the end of the core mold near the core mold clamping device 120, as the case may be.
S3: the hydraulic cylinder 132 drives the baffle 133 to move along the axial direction of the mandrel, so that the baffle 133 abuts against one side of the retainer ring 131 away from the pipe, and drives the baffle 133 to drive the retainer ring 131 and the pipe abutting against the retainer ring 131 to move along the axial direction of the mandrel in the direction away from the mandrel clamping device 120, so that the pipe and the mandrel are released from close contact.
S4: and (3) moving the pipe to completely separate the pipe from the core mold.
Specifically, after the pipe is in close contact with the mandrel, the pipe can be freely moved on the mandrel by applying relatively small traction force to the pipe, and at the moment, the pipe and the mandrel can be completely separated by adopting manual carrying, crane lifting or other equipment.
In another embodiment, the pipe stripping apparatus 100 includes an auxiliary stripping device 140, and the pipe stripping apparatus 100 is operated to strip the pipe from the outer periphery of the mandrel, including:
s1: the retainer ring 131 is sleeved at one end of the core mold, so that the retainer ring 131 is abutted against one end of the pipe.
S2: the end of the core mold, which is fitted with the retainer ring 131, is fixed by the core mold clamping means 120.
The method of fixing the core mold by the core mold clamping means 120 is identical to the fixing method of the above-described embodiment, and will not be described again.
S3: the hydraulic cylinder 132 drives the shutter 133 to move in the axial direction of the mandrel such that the shutter 133 abuts against a side of the retainer 131 away from the pipe, and drives the shutter 133 to move in the axial direction of the mandrel in a direction away from the mandrel clamping device 120.
S4: the hydraulic cylinder 132 drives the shutter 133 to move in the axial direction of the core mold in a direction approaching the core mold clamping means 120.
Because the maximum stroke of the piston rod of the hydraulic cylinder 132 is fixed, in S3, when the piston rod of the hydraulic cylinder 132 is running to the maximum stroke, the pipe is not in close contact with the mandrel, and the auxiliary demolding device 140 may be added, at this time, S4 is executed, the hydraulic cylinder 132 needs to drive the baffle 133 to return to the initial position, so that a space is reserved for the operation of the auxiliary demolding device 140, and the hydraulic cylinder 132 drives the baffle 133 to move along the axial direction of the mandrel towards the direction approaching the mandrel clamping device 120.
S5: the auxiliary demoulding device 140 is moved to one end of the core mould close to the core mould clamping device 120, the clamping mechanism 141 clamps the retainer ring 131, the driving mechanism 142 drives the clamping mechanism 141 to move on the frame 110 along the axial direction of the core mould towards the direction away from the core mould clamping device 120, so that the retainer ring 131 and the pipe abutting against the retainer ring 131 are driven to move along the axial direction of the core mould towards the direction away from the core mould clamping device 120, and the pipe is released from close contact with the core mould.
Specifically, the clamping motor drives the two holding claw supporting frames 1412 to move in opposite directions along the radial direction of the core mold, so that the two holding claws 1411 clamp the retainer ring 131, the driving mechanism 142 drives the base 1413 to move on the frame 110 in the direction away from the core mold clamping device 120 along the axial direction of the core mold, so that the clamping mechanism 141 moves in the direction away from the core mold clamping device 120 along the axial direction of the core mold, and the retainer ring 131 and the pipe abutting against the retainer ring 131 are driven to move in the direction away from the core mold clamping device 120 along the axial direction of the core mold, so that the pipe and the core mold are released from close contact. The movable travel of the auxiliary stripping means 140 on the frame 110 is large enough to release the pipe from intimate contact with the mandrel.
S6: and (3) moving the pipe to completely separate the pipe from the core mold.
Specifically, after the pipe is in close contact with the mandrel, the pipe can be freely moved on the mandrel by applying relatively small traction force to the pipe, and at the moment, the pipe and the mandrel can be completely separated by adopting manual carrying, crane lifting or other equipment.
If the close contact between the pipe and the mandrel has been released after the step S3 is performed, the step S4 and the step S5 may be omitted, i.e., the auxiliary demolding device 140 does not operate; if the close contact between the pipe and the mandrel is not released after step S3 is performed, steps S4 and S5 are performed.
The beneficial effects of the application are as follows: the application is provided with the retainer ring 131 which can be sleeved on the periphery of the core mold and is abutted against the end part of the pipe, the piston rod of the hydraulic cylinder 132 is fixedly connected with the retainer plate 133 to drive the retainer plate 133 to move along the axial direction of the core mold, so that the retainer plate 133 is abutted against one side of the retainer ring 131 far away from the pipe and drives the retainer plate 131 and the pipe abutted against the retainer plate 131 to move along the axial direction of the core mold, the driving force of the hydraulic cylinder 132 is larger, the pipe is easy to be in close contact with the core mold, the hydraulic cylinder 132 is in indirect contact with the pipe, the pipe is prevented from being broken due to the fact that the hydraulic cylinder 132 directly acts on the pipe, and in addition, the pipe demoulding equipment 100 does not directly act on the periphery of the pipe, so that the pipe demoulding equipment 100 can be suitable for pipes with different sizes.
Meanwhile, the piston rod 1211 of the upper hydraulic cylinder 121 is connected with the upper clamping seat 122 through the first transition plate 127, the first gland 128 and the first ball head 126, so that the situation that the piston rod 1211 of the upper hydraulic cylinder 121 tilts in the extending or retracting process to cause the upper clamping seat 122 to have offset load on the acting force exerted by the piston rod 1211 of the upper hydraulic cylinder 121 is avoided, the sealing effect of a axial sealing element of the upper hydraulic cylinder 121 is affected, oil leakage and oil seepage of the upper hydraulic cylinder 121 are caused, and production accidents are caused.
In addition, the application also discloses an auxiliary demoulding device 140, when the piston rod of the hydraulic cylinder 132 runs to the maximum stroke, the pipe is not in close contact with the core mould, the auxiliary demoulding device 140 can be additionally arranged, the driving mechanism 142 of the auxiliary demoulding device 140 can drive the clamping mechanism 141 to move on the frame 110 along the axial direction of the core mould, the stroke range is large, the pipe is sufficiently in close contact with the core mould, and the clamping mechanism 141 clamps the retainer ring 131, so that the pipe breakage caused by directly clamping the pipe can be avoided.
While the present disclosure and features have been described above with respect to specific embodiments, it will be appreciated that those skilled in the art, upon attaining the teachings of the present disclosure, may readily devise numerous variations and modifications of the above-described structures and materials, including combinations of features that are individually disclosed or claimed herein, and obviously other combinations of such features. Such variations and/or combinations fall within the technical field to which the application relates and fall within the scope of the claims of the application.
Claims (8)
1. The utility model provides a tubular product drawing of patterns equipment for get rid of tubular product of mandrel periphery, its characterized in that: comprises a frame, a mandrel clamping device and a demoulding device;
the core mold clamping device is arranged at the end part of the frame and used for clamping and fixing the end part of the core mold; the demolding device is positioned at one end of the rack, which is close to the mandrel clamping device, and comprises a retainer ring, a hydraulic cylinder and a baffle plate, wherein the retainer ring is annular and sleeved on the periphery of the mandrel and abuts against the end part of the tube, a piston rod of the hydraulic cylinder is fixedly connected with the baffle plate to drive the baffle plate to move along the axial direction of the mandrel, so that the baffle plate abuts against one side, away from the tube, of the retainer ring, and the baffle plate is driven to drive the retainer ring and the tube abutted against the retainer ring to move along the axial direction of the mandrel;
the auxiliary demoulding device comprises a clamping mechanism and a driving mechanism, the clamping mechanism clamps the check ring, the height of the clamping mechanism is adjustable, and the driving mechanism drives the clamping mechanism to move along the axial direction of the core mould in the frame, so that the check ring and the pipe abutting against the check ring are driven to move along the axial direction of the core mould.
2. The pipe stripping apparatus of claim 1, wherein: the two hydraulic cylinders are arranged and are respectively arranged at two sides of the mandrel clamping device along the radial direction of the mandrel.
3. The pipe stripping apparatus of claim 1, wherein: the mandrel clamping device comprises an upper hydraulic cylinder, an upper clamping seat, two guide plates and clamping pieces, wherein the two guide plates are vertically arranged, the clamping pieces are arranged above the upper clamping seat, the two guide plates are parallel to each other, the upper clamping seat is connected with the two guide plates in a sliding mode, and a piston rod of the upper hydraulic cylinder is fixedly connected with the upper clamping seat so as to drive the upper clamping seat to move between the two guide plates and enable the mandrel to be abutted to the clamping pieces.
4. A pipe stripping apparatus as claimed in claim 3, wherein: the mandrel clamping device further comprises a pressing hydraulic cylinder, wherein a piston rod of the pressing hydraulic cylinder is fixedly connected with the clamping piece to drive the clamping piece to move between the two guide plates, so that the upper top clamping seat and the clamping piece are matched to clamp the mandrel.
5. A pipe stripping apparatus as claimed in claim 3, wherein: a piston rod of the upper jacking hydraulic cylinder is connected with the upper jacking clamping seat through a first transition plate, a first gland and a first ball head;
the first ball head, the first transition plate and a piston rod of the jacking hydraulic cylinder are sequentially and fixedly connected;
the length of the first transition plate is larger than the diameter of a piston rod of the upper top hydraulic cylinder, and the first gland is fixedly connected with the upper top clamping seat and is clamped with the part of the first transition plate, which exceeds the piston rod of the upper top hydraulic cylinder;
the upper top clamping seat is provided with a first groove for accommodating the first ball head.
6. The pipe stripping apparatus of claim 4, wherein: the piston rod of the pressing hydraulic cylinder is connected with the clamping piece through a second transition plate, a second gland and a second ball head;
the second ball head, the second transition plate and a piston rod of the pressing hydraulic cylinder are sequentially and fixedly connected;
the length of the second transition plate is larger than the diameter of a piston rod of the pressing hydraulic cylinder, and the second gland is fixedly connected with the clamping piece and is clamped with the part, exceeding the piston rod of the pressing hydraulic cylinder, of the second transition plate;
the clamping piece is provided with a second groove for accommodating the second ball head.
7. The pipe stripping apparatus of claim 1, wherein: the clamping mechanism comprises two holding claws which can move along the radial direction of the core mold, and the clamping motor drives the two holding claws to clamp or loosen the retainer ring.
8. A method of demolding a pipe using the pipe demolding apparatus as claimed in claim 1, characterized by comprising the steps of:
s1: sleeving the check ring at one end of the core mold, and enabling the check ring to be abutted against one end of the pipe;
s2: fixing one end of the core mould sleeved with the check ring by using the core mould clamping device;
s3: the hydraulic cylinder drives the baffle to move along the axial direction of the mandrel, so that the baffle abuts against one side of the retainer ring away from the pipe, and drives the baffle to move along the axial direction of the mandrel in a direction away from the mandrel clamping device;
s4: the hydraulic cylinder drives the baffle to move along the axial direction of the mandrel towards the direction approaching to the mandrel clamping device;
s5: the auxiliary demolding device is moved to one end of the core mold, which is close to the core mold clamping device, the clamping mechanism clamps the check ring, the driving mechanism drives the clamping mechanism to move on the frame in the direction away from the core mold clamping device along the axial direction of the core mold, so that the check ring and the pipe abutting against the check ring are driven to move in the direction away from the core mold clamping device along the axial direction of the core mold, and the pipe and the core mold are released from close contact;
s6: moving the pipe to completely separate the pipe from the mandrel;
if the close contact between the pipe and the mandrel has been released after the step S3 is performed, the step S4 and the step S5 are omitted; if the close contact between the pipe and the core mold cannot be released after the step S3 is performed, the steps S4 and S5 are performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210446667.9A CN114850836B (en) | 2022-04-26 | 2022-04-26 | Pipe demolding equipment and pipe demolding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210446667.9A CN114850836B (en) | 2022-04-26 | 2022-04-26 | Pipe demolding equipment and pipe demolding method |
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| Publication Number | Publication Date |
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| CN114850836A CN114850836A (en) | 2022-08-05 |
| CN114850836B true CN114850836B (en) | 2023-08-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479628A (en) * | 2015-12-21 | 2016-04-13 | 江苏神马电力股份有限公司 | Mould dismounting machine and mould dismounting method |
| CN107932935A (en) * | 2017-12-19 | 2018-04-20 | 江阴澄云机械有限公司 | A kind of steel pipe ingot stripper |
| CN113134925A (en) * | 2021-03-17 | 2021-07-20 | 江苏神马电力股份有限公司 | Core die clamping device and stripper |
| CN216267096U (en) * | 2021-11-26 | 2022-04-12 | 河北驰通车辆部件科技有限公司 | Demoulding device for producing silica gel tube |
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2022
- 2022-04-26 CN CN202210446667.9A patent/CN114850836B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479628A (en) * | 2015-12-21 | 2016-04-13 | 江苏神马电力股份有限公司 | Mould dismounting machine and mould dismounting method |
| CN107932935A (en) * | 2017-12-19 | 2018-04-20 | 江阴澄云机械有限公司 | A kind of steel pipe ingot stripper |
| CN113134925A (en) * | 2021-03-17 | 2021-07-20 | 江苏神马电力股份有限公司 | Core die clamping device and stripper |
| CN216267096U (en) * | 2021-11-26 | 2022-04-12 | 河北驰通车辆部件科技有限公司 | Demoulding device for producing silica gel tube |
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| CN114850836A (en) | 2022-08-05 |
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