CN110253794B - Rubber tube core removing machine and core removing method - Google Patents
Rubber tube core removing machine and core removing method Download PDFInfo
- Publication number
- CN110253794B CN110253794B CN201910415176.6A CN201910415176A CN110253794B CN 110253794 B CN110253794 B CN 110253794B CN 201910415176 A CN201910415176 A CN 201910415176A CN 110253794 B CN110253794 B CN 110253794B
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- core
- rubber tube
- cylinder
- plate
- bottom plate
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000012797 qualification Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor
- B29C33/444—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor for stripping articles from a mould core, e.g. using stripper plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/46—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a rubber tube core-removing machine and a core-removing method, wherein the core-removing machine comprises a frame and an electric control system arranged on the frame, and a core-pulling device, a core-cutting device and a core-blowing device are arranged on the frame; the core pulling device comprises a first bottom plate, a first cylinder, a rope clamping device and a conversion bracket, wherein the first cylinder, the rope clamping device and the conversion bracket are arranged on the first bottom plate, the front end of a piston rod of the first cylinder is connected with a sliding block arranged on the first bottom plate, the rope clamping device is arranged on the sliding block, a hole for only passing through a shaft core of a rubber tube is formed in the conversion bracket, and the conversion bracket comprises two vertical plates with a gap in the middle; the core cutting device comprises a motor and a rotary cutter driven by the motor, and the rotary cutter stretches into a gap between the two vertical plates; the rubber tube core-removing machine and the core-removing method disclosed by the invention have the advantages of high core-removing efficiency, cost saving and high yield and qualification rate.
Description
Technical Field
The invention relates to a rubber tube core removing machine and a core removing method.
Background
With the development of the automobile industry, various caliber rubber pipes are arranged on an engine air inlet and outlet system of the automobile, and a molding mold core is not easy to fall off when the rubber pipes with large lengths are manufactured.
The conventional core stripping generally adopts the following two modes: firstly, the mold core is manufactured into a split combined structure, and the corrugated sections are separated and withdrawn during core stripping to finish core stripping. The multi-valve mold cores are ejected or pulled out one by one when the method is used for core removal, so that the work efficiency is low; the die is complex to process, high in cost and time-consuming to combine in production.
Secondly, the large-length rubber tube is manufactured into a two-section or multi-section structure, and then the multi-section rubber tube is fixedly connected through the inserted connection of the steel tube or the plastic tube and the external connection of the clamp. The auxiliary core removing tool in the core removing mode is easy to crack and damage the inner layer or the pipe body of the rubber pipe, has low work efficiency and high cost, influences the appearance, and causes the over-high reject ratio of products.
Therefore, the development and design of the long-length rubber tube are limited.
Disclosure of Invention
In order to solve the technical problems, the invention provides a rubber tube core removing machine and a core removing method, so as to achieve the purposes of improving the core removing efficiency, saving the labor cost and reducing the reject ratio of products.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
The rubber tube core-removing machine comprises a frame and an electric control system arranged on the frame, wherein a core pulling device, a core cutting device and a core blowing device are arranged on the frame, the core pulling device is movably arranged on the frame, and the core cutting device and the core blowing device are fixed on the frame; the core pulling device comprises a first bottom plate, a first cylinder, a rope clamping device and a conversion bracket, wherein the first cylinder, the rope clamping device and the conversion bracket are arranged on the first bottom plate, the front end of a piston rod of the first cylinder is connected with a sliding block arranged on the first bottom plate, the rope clamping device is arranged on the sliding block, a hole for only passing through a shaft core of a rubber tube is formed in the conversion bracket, and the conversion bracket comprises two vertical plates with gaps in the middle; the core cutting device comprises a motor and a rotary cutter driven by the motor, and the rotary cutter stretches into a gap between two vertical plates; the core blowing device comprises a bottom plate II, a cylinder II, an inner nozzle and an outer nozzle, wherein the cylinder II, the inner nozzle and the outer nozzle are arranged on the bottom plate II, the front end of a piston rod of the cylinder II is connected with the inner nozzle, a high-pressure water inlet is formed in the inner nozzle, the outer nozzle is fixed on the bottom plate II through a clamping seat, and the center holes of the inner nozzle and the outer nozzle are positioned on the same horizontal line.
In the scheme, the first bottom plate is of a multi-folded structure and is arranged on the frame through the hinge and the baffle.
In the scheme, the front guard board and the rear guard board are respectively arranged on the front side and the rear side of the conversion support.
In a further technical scheme, a front end plate, a rear end plate and two side plates I are respectively arranged on the front side, the rear side, the left side and the right side of the bottom plate I, the front guard plate is fixed on the front end plate, and the first air cylinder is fixed on the rear end plate I.
In the scheme, the front end of the piston rod of the second cylinder is connected with the inner nozzle through the threaded joint.
In a further technical scheme, a sliding plate is fixed on the threaded joint, and the bottom of the sliding plate is tightly attached to the second bottom plate.
In the scheme, a rear end plate II is arranged on the bottom plate II, two side plates II are connected between the rear end plate II and the clamping seat, the air cylinder II is fixed on the rear end plate II, and a top plate is arranged between the two side plates II.
In the scheme, the outer nozzle is fixed on the clamping seat through the pressing plate.
In the scheme, a protective cover is arranged outside the rotary cutter.
A rubber tube core removing method adopts the rubber tube core removing machine, and comprises the following steps: the rubber tube with the shaft core is propped against the middle hole of the conversion bracket, at the moment, the shaft core passes through the conversion bracket and is inserted into the middle of the rope clamping device, then the cylinder acts, the piston rod moves backwards, and the shaft core is pulled out for a section; the motor drives the rotary cutter to rotate, the core pulling device is pushed to be close to the rotary cutter, the shaft core is cut off by the rotary cutter, at the moment, one end of the rubber tube, which is extracted from the shaft core, forms a section of hollow, then the cylinder acts once, and the piston rod returns to the original position forwards to finish one-time action;
Then the hollow end of the rubber tube is inserted from the outer nozzle and sleeved on the inner nozzle, the second cylinder acts, the piston rod is ejected outwards to squeeze the rubber tube on the outer nozzle, then the inner nozzle is filled with high-pressure water to blow out the shaft core, and then the second cylinder acts, the piston rod is retracted, and the rubber tube blown out of the shaft core is taken out to complete the core removing process.
Through the technical scheme, the rubber tube core removing machine and the core removing method provided by the invention have the following beneficial effects:
1. The core pulling device, the core cutting device and the core blowing device of the equipment are matched for use, so that the production efficiency is greatly improved, and the labor cost is saved;
2. the rubber tube core-removing process is carried out by adopting the modes of core pulling firstly, core cutting secondly and core blowing secondly, so that the reject ratio of products is reduced;
3. The core pulling and blowing two stations are combined to work on one machine, so that the labor cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic diagram of the overall structure of a rubber tube core-removing machine according to an embodiment of the invention;
FIG. 2 is a schematic view of a core pulling device and a core cutting device according to an embodiment of the present invention (after removing a protective cover and a protective frame and turning over by 90 °);
FIG. 3 is a schematic diagram II of a core pulling device and a core cutting device according to an embodiment of the present invention (after removing a protective cover and a protective frame and turning over by 90 °);
FIG. 4 is a schematic view of a blow-core apparatus according to an embodiment of the present invention (with the top plate removed);
fig. 5 is a schematic diagram of a second embodiment of a core blower according to the present invention (with the top plate removed).
In the figure, 1, a rack; 2. an electric control system; 3. a core pulling device; 4. a core cutting device; 5. a core blowing device; 6. a first bottom plate; 7. a first cylinder; 8. a rope gripper; 9. a conversion bracket; 10. a slide block; 11. a hole; 12. a hinge; 13. a baffle; 14. a protective frame; 15. a front guard board; 16. a rear guard board; 17. a front end plate; 18. a first rear end plate; 19. two side plates I; 20. a motor; 21. rotating the cutter; 22. a protective cover; 23. a second base plate; 24. a second cylinder; 25. an inner nozzle; 26. an outer mouth; 27. a high pressure water inlet; 28. a clamping seat; 29. a threaded joint; 30. a slide plate; 31. a second rear end plate; 32. a second side plate; 33. a top plate; 34. a pressing plate; 35. a through hole; 36. a front baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a rubber tube core removing machine and a core removing method, and the concrete implementation modes are as follows:
The rubber tube core-removing machine shown in fig. 1 comprises a frame 1 and an electric control system 2 arranged on the frame 1, wherein the electric control system 2 controls the operation of the whole device. The machine frame 1 is provided with a core pulling device 3, a core cutting device 4 and a core blowing device 5, the core pulling device 3 is movably arranged on the machine frame 1, the core cutting device 4 and the core blowing device 5 are fixed on the machine frame 1, and in the embodiment, the two core blowing devices 5 are arranged, so that the machining efficiency can be improved by running at the same time.
As shown in fig. 2 and 3, the core pulling device 3 comprises a first bottom plate 6, a first cylinder 7 arranged on the first bottom plate 6, a rope clamping device 8 and a conversion bracket 9, wherein the front end of a piston rod of the first cylinder 7 is connected with a sliding block 10 arranged on the first bottom plate 6, the rope clamping device 8 is arranged on the sliding block 10, a hole 11 for only passing through the shaft core of a rubber tube is formed in the conversion bracket 9, and the conversion bracket 9 comprises two vertical plates with a gap in the middle; the first bottom plate 6 is of a multi-edge folding structure, is arranged on the frame 1 through a hinge 12 and a baffle 13, and can push the core pulling device 3 to move towards or away from the core cutting device 4 through the hinge 12. The outer side of the core pulling device 3 is provided with a protective frame 14. The front guard plate 15 and the rear guard plate 16 are respectively arranged on the front side and the rear side of the conversion bracket 9, and are stressed simultaneously with the conversion bracket 9, so that the shaft core can be prevented from being rebounded to hurt people. The first base plate 6 is provided with a front end plate 17, a rear end plate 18 and two side plates 19 respectively in the front-back and left-right directions, the front guard plate 15 is fixed on the front end plate 17, and the first cylinder 7 is fixed on the rear end plate 18. A front baffle 36 is also arranged on the outer side of the front end plate 17, and holes are also formed in the front baffle 36 for the rubber pipe to pass through.
The core cutting device 4 comprises a motor 20 and a rotary cutter 21 driven by the motor 20, and the rotary cutter 21 stretches into a gap between two vertical plates; the rotary cutter 21 is externally provided with a protective cover 22.
As shown in fig. 4 and 5, the core blowing device 5 comprises a second bottom plate 23, a second cylinder 24 arranged on the second bottom plate 23, an inner nozzle 25 and an outer nozzle 26, wherein the front end of a piston rod of the second cylinder 24 is connected with the inner nozzle 25, a high-pressure water inlet 27 is formed in the inner nozzle 25, the outer nozzle 26 is fixed on the second bottom plate 23 through a clamping seat 28, and central holes of the inner nozzle 25 and the outer nozzle 26 are positioned on the same horizontal line. The front end of the piston rod of the second cylinder 24 is connected with the inner nozzle 24 through a threaded joint 29, and a high-pressure water inlet 27 is also formed in the threaded joint 29. The screwed joint 29 is fixedly provided with a sliding plate 30, the bottom of the sliding plate 30 is tightly attached to the second bottom plate 23, and the sliding plate 30 can play a role in retaining water in the process of introducing high-pressure water into the inner nozzle 25.
The second bottom plate 23 is provided with a second rear end plate 31, two side plates 32 are connected between the second rear end plate 31 and the clamping seat 28, the second cylinder 24 is fixed on the second rear end plate 31, and a top plate 33 is arranged between the two side plates 32. The outer nozzle 26 is fixed on the clamping seat 28 through the pressing plate 34, so that the outer nozzle 26 can be pressed on the clamping seat 28, and a through hole 35 concentric with the outer nozzle 26 is formed in the clamping seat 28.
A rubber tube core removing method adopts the rubber tube core removing machine, and comprises the following steps: the rubber tube with the shaft core is propped against the middle hole of the conversion bracket 9, the outer skin of the rubber tube is blocked outside the conversion bracket 9, at the moment, the shaft core passes through the hole 11 on the conversion bracket 9 and is inserted into the middle of the rope clamping device 8, and the rope clamping device 8 can fix the shaft core to prevent the shaft core from retracting; then the first cylinder 7 acts, the piston rod moves backwards, and the shaft core is pulled out for a section; then, the motor 20 drives the rotary cutter 21 to rotate, the core pulling device is pushed to rotate around the hinge, the rotary cutter 21 is close to the core pulling device, the extracted shaft core is cut off by the rotary cutter 21, at the moment, one end of the rubber tube, which is extracted from the shaft core, forms a section of hollow, then the first cylinder 7 acts, and the piston rod returns to the original position forwards to complete one-time action;
then the hollow end of the rubber tube is inserted from the outer nozzle 26 and sleeved on the inner nozzle 25, the outer nozzle 26 has a self-locking function, the pulling direction of the rubber tube is blocked, the second cylinder 24 acts, the piston rod is ejected outwards, the rubber tube is extruded on the outer nozzle 26, then the inner nozzle 24 is filled with high-pressure water to blow out the shaft core, the second cylinder 24 acts, the piston rod is retracted, and the rubber tube blown out of the shaft core is taken out, so that the core removing process is completed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The rubber tube core removing method is characterized in that the rubber tube core removing machine comprises a frame and an electric control system arranged on the frame, wherein a core pulling device, a core cutting device and a core blowing device are arranged on the frame, the core pulling device is movably arranged on the frame, and the core cutting device and the core blowing device are fixed on the frame; the core pulling device comprises a first bottom plate, a first cylinder, a rope clamping device and a conversion bracket, wherein the first cylinder, the rope clamping device and the conversion bracket are arranged on the first bottom plate, the front end of a piston rod of the first cylinder is connected with a sliding block arranged on the first bottom plate, the rope clamping device is arranged on the sliding block, a hole for only passing through a shaft core of a rubber tube is formed in the conversion bracket, and the conversion bracket comprises two vertical plates with gaps in the middle; the core cutting device comprises a motor and a rotary cutter driven by the motor, and the rotary cutter stretches into a gap between two vertical plates; the core blowing device comprises a bottom plate II, a cylinder II, an inner nozzle and an outer nozzle, wherein the cylinder II, the inner nozzle and the outer nozzle are arranged on the bottom plate II, the front end of a piston rod of the cylinder II is connected with the inner nozzle, a high-pressure water inlet is formed in the inner nozzle, the outer nozzle is fixed on the bottom plate II through a clamping seat, and the center holes of the inner nozzle and the outer nozzle are positioned on the same horizontal line;
the rubber tube core removing method comprises the following steps: the rubber tube with the shaft core is propped against the middle hole of the conversion bracket, at the moment, the shaft core passes through the conversion bracket and is inserted into the middle of the rope clamping device, then the cylinder acts, the piston rod moves backwards, and the shaft core is pulled out for a section; the motor drives the rotary cutter to rotate, the core pulling device is pushed to be close to the rotary cutter, the shaft core is cut off by the rotary cutter, at the moment, one end of the rubber tube, which is extracted from the shaft core, forms a section of hollow, then the cylinder acts once, and the piston rod returns to the original position forwards to finish one-time action;
Then the hollow end of the rubber tube is inserted from the outer nozzle and sleeved on the inner nozzle, the second cylinder acts, the piston rod is ejected outwards to squeeze the rubber tube on the outer nozzle, then the inner nozzle is filled with high-pressure water to blow out the shaft core, and then the second cylinder acts, the piston rod is retracted, and the rubber tube blown out of the shaft core is taken out to complete the core removing process.
2. The method for removing a rubber hose according to claim 1, wherein the first base plate is of a multi-folded structure and is mounted on the frame through hinges and baffles.
3. The method for removing the core of the rubber tube according to claim 1, wherein a front guard plate and a rear guard plate are respectively arranged on the front side and the rear side of the conversion bracket.
4. A hose core removing method according to claim 3, wherein the first base plate is provided with a front end plate, a rear end plate and two side plates, respectively, the front guard plate is fixed to the front end plate, and the first cylinder is fixed to the rear end plate.
5. The rubber tube core removing method according to claim 1, wherein the front end of the piston rod of the second cylinder is connected with the inner nozzle through a threaded joint.
6. The method for removing the core of the rubber tube according to claim 5, wherein a sliding plate is fixed on the threaded joint, and the bottom of the sliding plate is tightly attached to the second bottom plate.
7. The method for removing the core of the rubber tube according to claim 1, wherein a rear end plate II is arranged on the bottom plate II, two side plates II are connected between the rear end plate II and the clamping seat, the air cylinder II is fixed on the rear end plate II, and a top plate is arranged between the two side plates II.
8. A hose de-coring method according to claim 1, wherein said outer nozzle is secured to the clamping seat by a pressure plate.
9. A hose de-coring method according to claim 1, wherein said rotary cutter is externally provided with a shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415176.6A CN110253794B (en) | 2019-05-13 | 2019-05-13 | Rubber tube core removing machine and core removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415176.6A CN110253794B (en) | 2019-05-13 | 2019-05-13 | Rubber tube core removing machine and core removing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253794A CN110253794A (en) | 2019-09-20 |
| CN110253794B true CN110253794B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910415176.6A Active CN110253794B (en) | 2019-05-13 | 2019-05-13 | Rubber tube core removing machine and core removing method |
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| CN (1) | CN110253794B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016020A (en) * | 2019-12-30 | 2020-04-17 | 山东德嘉液压制品有限公司 | Method for connecting super-long iron cores by using connecting pieces |
| CN114211720B (en) * | 2021-12-13 | 2024-05-17 | 河南赛仑特液压流体科技有限公司 | Inner support type rubber tube core-removing chuck |
| CN117621324B (en) * | 2023-12-22 | 2024-04-26 | 邢台市环日橡塑制品有限公司 | Production is with integrative device of core pressurize that takes off convenient to drawing of patterns |
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