CN113665128A - Welding process and equipment for central hole ABS floating ball - Google Patents
Welding process and equipment for central hole ABS floating ball Download PDFInfo
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- CN113665128A CN113665128A CN202110754650.5A CN202110754650A CN113665128A CN 113665128 A CN113665128 A CN 113665128A CN 202110754650 A CN202110754650 A CN 202110754650A CN 113665128 A CN113665128 A CN 113665128A
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- 238000003466 welding Methods 0.000 title claims abstract description 42
- 238000007667 floating Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000003139 buffering effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
- B29C65/0672—Spin welding
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0322—Post-pressing without reshaping, i.e. keeping the joint under pressure after joining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
- B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
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- 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
- B29L2022/00—Hollow articles
- B29L2022/002—Globes
Abstract
The invention relates to a welding process and equipment for a central hole ABS floating ball, wherein the welding equipment for the central hole ABS floating ball comprises a lower die set and a lifting assembly, the lifting assembly is symmetrically arranged on the lower die set, the upper part of the lifting assembly is fixedly provided with an upper die set and a buffer assembly, the buffer assembly is arranged at the lower part of the upper die set and is used for buffering when two semicircular ball shells are contacted when the upper die set moves downwards, a power assembly is arranged on the lower die set and is used for driving the semicircular ball shells on the lower die set to rotate, a clamping mechanism is arranged at the lower part of the buffer assembly and the upper part of the power assembly and is used for clamping the semicircular ball shells, a speed reducing assembly is arranged between the power assembly and the lifting assembly, so that the power assembly stops working instantly after the contact surfaces of the upper and lower semicircular ball shells are melted to a specified depth, novel design, simple structure, the practicality is strong.
Description
Technical Field
The invention relates to the field of welding of a central hole ABS floating ball, in particular to a welding process and welding equipment of the central hole ABS floating ball.
Background
Because ABS engineering plastics have the characteristics that after being hot-melted, the ABS engineering plastics are fast in air cooling speed, and contact air is heated by the electric heating wire and the electric heating plate to accelerate aging and deterioration, welding equipment for ABS floating balls and round hollow floating barrel products in the existing market is heated by the electric heating wire and the electric heating plate under the condition of contacting air, the floating balls processed by the equipment and the round hollow floating barrel products are not firmly welded, and the compression-resistant and leakage-resistant indexes do not meet the quality standards and the use requirements of the floating ball hollow floating barrel products.
The invention has the functions that the welding surface of the ABS engineering plastic product is utilized to generate heat by relative rotational friction, the heat reaches the melting point temperature of the ABS engineering plastic about 200 ℃, the contact surface of the ABS engineering plastic product to be welded is melted and pressed by pressure under the condition of not contacting air, thereby achieving the purpose of welding, and the welded product has high strength and no leakage, and the welding qualification rate of the product reaches one hundred percent.
Disclosure of Invention
The invention aims to provide a welding process and welding equipment for a central hole ABS floating ball, which are used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a welding process for a central hole ABS floating ball comprises the following steps:
the method comprises the following steps: the central holes of the two semicircular ball shells are respectively inserted on the two bidirectional screw rods, the rubber plate is not attached to the wall of the central hole at the moment, the bidirectional screw rods are driven to rotate by rotating the hand wheel, so that the two threaded sleeves move relatively, the rubber plate is outwards spread and acts on the central holes to fix the semicircular ball shells;
step two: the working button on the electrical control cabinet is pressed, the first air cylinder drives the upper die carrier to descend, so that the upper semicircular shell is pressed against the lower semicircular shell, the power device is controlled to rotate, and the upper semicircular shell and the lower semicircular shell are rubbed to generate heat through rotation, so that the contact surfaces of the upper semicircular shell and the lower semicircular shell reach a molten state;
step three: the upper and lower semi-spherical shells are melted to a specified depth, and the electric control cabinet controls the power device to decelerate to 200-300 revolutions;
step four: the telescopic end of the second cylinder is controlled by the electrical control cabinet to extend out, the sliding block is pushed to enable the rubber pad on the sliding block to be combined with the rubber ring on the transmission rod, the power device stops working, the first cylinder is controlled to continue to be pressed down, the upper semicircular shell and the lower semicircular shell are pressed together, pressure maintaining is carried out for several seconds, after pressure maintaining is finished, the telescopic end of the first cylinder is controlled by the electrical control cabinet to extend out, the upper die frame is driven to ascend, and product welding is completed.
A welding device for realizing the welding process of the central hole ABS floating ball comprises:
a lower die frame;
the lifting components are symmetrically arranged on the lower die carrier, and the upper part of the lifting components is fixedly provided with an upper die carrier;
the buffer assembly is arranged at the lower part of the upper die frame and is used for buffering when the upper die frame moves downwards to enable the two semicircular ball shells to be contacted;
the power assembly is arranged on the lower die frame to drive the semi-spherical shell on the lower die frame to rotate;
the clamping mechanism is arranged on the lower portion of the buffer component and the upper portion of the power component and is used for clamping the semi-spherical shell;
and the speed reduction assembly is arranged between the power assembly and the lifting assembly, so that the power assembly stops working instantly after the contact surfaces of the upper and lower hemispherical shells are fused to a specified depth.
As a still further scheme of the invention: the lifting assembly comprises a plurality of fixed columns which are fixedly and symmetrically arranged on the lower die frame, a lifting column which is sleeved on the fixed columns in a sliding mode, and a first air cylinder which is fixedly arranged on the lifting column, wherein the telescopic end of the first air cylinder is fixedly connected with the fixed columns.
As a still further scheme of the invention: buffering subassembly is installed including the symmetry two bracing pieces on going up the die carrier and slip registrate two slip sleeve on the bracing piece and setting are in on the bracing piece and one end with go up the die carrier butt other end with the spring of slip sleeve butt, wherein, two connect through the connecting rod between the slip sleeve, the lower part fixed mounting of connecting rod has the fixed block, install the lower part of fixed block clamping mechanism.
As a still further scheme of the invention: the power assembly comprises a power device fixedly installed at the lower portion of the lower die frame and a transmission rod penetrating through the lower die frame and connected with the power device, and one end of the transmission rod, far away from the power device, is fixedly installed with the clamping mechanism.
As a still further scheme of the invention: the clamping mechanism comprises a transmission rod, two shells, a retractable structure and a guide structure, wherein the two shells are fixedly installed at the tail ends of the transmission rod and the fixed block, the retractable structure is installed on the shells, the guide structure is used for limiting the motion trail of the retractable structure and is installed on the shells, the retractable structure is installed on the transmission rod in the shells in a rotating mode through a bevel gear set installed in the shells, and one end, far away from the bevel gear set, of the transmission rod extends to an external connection hand wheel of the shells.
As a still further scheme of the invention: the retractable structure comprises a bidirectional screw rod rotatably mounted on the shell and two threaded sleeves symmetrically mounted on the bidirectional screw rod and in threaded fit with the bidirectional screw rod, the same sides of the two threaded sleeves are connected with a rubber plate through connecting rods, and the threaded sleeves located at the lower part are connected with the guide structure.
As a still further scheme of the invention: the guide structure comprises guide rods symmetrically arranged on two sides of the bidirectional screw rod and a limiting sleeve sleeved on the guide rods in a sliding mode, and the limiting sleeve is fixedly connected with the threaded sleeve at the lower part.
As a still further scheme of the invention: the speed reduction assembly comprises a second air cylinder fixedly mounted on the fixed column and a sliding block fixedly connected with the second air cylinder and slidably mounted on a second guide rod fixed on the fixed column, a rubber pad is mounted on one side, close to the transmission rod, of the sliding block, and a rubber ring matched with the rubber pad is circumferentially mounted on the transmission rod.
As a still further scheme of the invention: the center hole ABS floating ball welding equipment further comprises an electrical control cabinet, and the electrical control cabinet is electrically connected with the power device, the first air cylinder and the second air cylinder.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when in use, the lifting assembly is controlled by the electric control cabinet to work so as to drive the upper die carrier to ascend or descend, the elastic assembly and the semi-spherical shell fixed on the elastic assembly are driven to move downwards in the descending process to be combined with the semi-spherical shell arranged on the power assembly, then the power assembly works so that the two semi-spherical shells rub against each other to generate heat, the lifting assembly continues to descend so that the contact surfaces of the two semi-spherical shells are melted to a specified depth, then the power assembly is controlled by the speed reduction assembly to stop working, and after a period of stabilization, the welding is finished.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a central hole ABS floating ball welding process and equipment.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
FIG. 4 is a schematic view of a portion of an embodiment of a central hole ABS floating ball welding process and apparatus.
In the figure: 1-lower die carrier, 2-fixed column, 3-lifting column, 4-first cylinder, 5-upper die carrier, 6-support rod, 7-spring, 8-sliding sleeve, 9-connecting rod, 10-fixed block, 11-shell, 12-bidirectional screw rod, 13-connecting rod, 14-rubber plate, 15-first guide rod, 16-bevel gear set, 17-rotating rod, 18-hand wheel, 19-second guide rod, 20-sliding block, 21-second cylinder, 22-rubber ring and 23-power device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in an embodiment of the present invention, a welding process for a central hole ABS floating ball includes the following steps:
the method comprises the following steps: the central holes of the two semicircular ball shells are respectively inserted on the two bidirectional screw rods, the rubber plate is not attached to the wall of the central hole at the moment, the bidirectional screw rods are driven to rotate by rotating the hand wheel, so that the two threaded sleeves move relatively, the rubber plate is outwards expanded and acts on the central holes to fix the semicircular ball shells;
step two: the working button on the electrical control cabinet is pressed, the first air cylinder drives the upper die carrier to descend, so that the upper semicircular shell is pressed against the lower semicircular shell, the power device is controlled to rotate, and the upper semicircular shell and the lower semicircular shell are rubbed to generate heat through rotation, so that the contact surfaces of the upper semicircular shell and the lower semicircular shell reach a molten state;
step three: the upper and lower semi-spherical shells are melted to a specified depth, and the electric control cabinet controls the power device to decelerate to 200-300 revolutions;
step four: the telescopic end of the second cylinder is controlled by the electrical control cabinet to extend out, the sliding block is pushed to enable the rubber pad on the sliding block to be combined with the rubber ring on the transmission rod, the power device stops working, the first cylinder is controlled to continue to be pressed down, the upper semicircular shell and the lower semicircular shell are pressed together, pressure maintaining is carried out for several seconds, after pressure maintaining is finished, the telescopic end of the first cylinder is controlled by the electrical control cabinet to extend out, the upper die frame is driven to ascend, and product welding is completed.
A welding device for realizing the welding process of the central hole ABS floating ball comprises:
a lower die carrier 1;
the lifting components are symmetrically arranged on the lower die carrier 1, and an upper die carrier 5 is fixedly arranged at the upper part of the lifting components;
the buffer assembly is arranged at the lower part of the upper die carrier 5 and is used for buffering when the upper die carrier 5 moves downwards to enable the two semicircular ball shells to be contacted;
the power assembly is arranged on the lower die carrier 1 to drive a semi-spherical shell on the lower die carrier 1 to rotate;
the clamping mechanism is arranged on the lower portion of the buffer component and the upper portion of the power component and is used for clamping the semi-spherical shell;
and the speed reduction assembly is arranged between the power assembly and the lifting assembly, so that the power assembly stops working instantly after the contact surfaces of the upper and lower hemispherical shells are fused to a specified depth.
In the embodiment of the invention, when the welding device is used, the electric control cabinet controls the lifting assembly to work so as to drive the upper die carrier 5 to ascend or descend, the elastic assembly and the semi-spherical shell fixed on the elastic assembly are driven to move downwards in the descending process to be combined with the semi-spherical shell arranged on the power assembly, then the power assembly works so that the two semi-spherical shells rub against each other to generate heat, the lifting assembly continues to descend so that the contact surfaces of the two semi-spherical shells are melted to a specified depth, the power assembly is controlled by the speed reduction assembly to stop working, and the welding is finished after a period of stabilization.
As an embodiment of the invention, the lifting assembly comprises a plurality of fixed columns 2 which are fixedly and symmetrically arranged on the lower die carrier 1, a lifting column 3 which is slidably sleeved on the fixed columns 2, and a first air cylinder 4 which is fixedly arranged on the lifting column 3;
the telescopic end of the first cylinder 4 is fixedly connected with the fixed column 2.
In the embodiment of the invention, when the telescopic end of the first cylinder 4 is retracted inwards in use, the upper die carrier 5 is driven to descend to enable the two semi-spherical shells to be contacted, meanwhile, the driving force component drives the two semi-spherical shells to rub with each other to generate heat until reaching a molten state, when the contact surface of the two semi-spherical shells is molten to a specified depth, the first cylinder 4 continues to move downwards for small section displacement and keeps static, and the pressure between the two semi-spherical shells is kept;
the first air cylinder 4 can be equivalently replaced by a hydraulic cylinder or an electric telescopic rod, and the description is not particularly limited and can be selected according to actual conditions.
As an embodiment of the present invention, the buffer assembly includes two support rods 6 symmetrically installed on the upper die carrier 5, two sliding sleeves 8 slidably fitted over the two support rods 6, and a spring 7 disposed on the support rod 6 and having one end abutting against the upper die carrier 5 and the other end abutting against the sliding sleeve 8;
the two sliding sleeves 8 are connected through a connecting rod 9, a fixing block 10 is fixedly mounted on the lower portion of the connecting rod 9, and the clamping mechanism is mounted on the lower portion of the fixing block 10.
In the embodiment of the invention, when the two semicircular ball housings are contacted in use, a certain extrusion force is generated between the two semicircular ball housings by using the elastic force of the spring 7, so that when the power assembly works, enough friction force is generated between the two semicircular ball housings to generate heat.
As an embodiment of the present invention, the power assembly includes a power device 23 fixedly installed at a lower portion of the lower mold frame 1, and a transmission rod penetrating through the lower mold frame 1 and connected to the power device 23;
and one end of the transmission rod, which is far away from the power device 23, is fixedly provided with the clamping mechanism.
In the embodiment of the invention, when in use, when the two semicircular ball shells are contacted, the power device 23 is driven to rotate so as to drive the semicircular ball shells arranged on the transmission rod to rotate, and the semicircular ball shells and the upper semicircular ball shell rub with each other to generate heat;
the power unit 23 is preferably a servomotor that can rotate forward and backward.
As an embodiment of the invention, the clamping mechanism comprises two shells 11 fixedly mounted at the tail ends of the transmission rod and the fixed block 10, a retractable structure mounted on the shells 11, and a guide structure used for limiting the motion trail of the retractable structure and mounted on the shells 11;
the retractable structure is connected with a rotating rod 17 which is rotatably arranged in the shell 11 through a bevel gear set 16 which is arranged in the shell 11, and one end of the rotating rod 17, which is far away from the bevel gear set 16, extends to an external connecting hand wheel 18 of the shell 1;
the bevel gear set comprises a first bevel gear fixedly connected with the rotating rod 17 and a second bevel gear meshed with the first bevel gear and connected with the retractable structure.
In the embodiment of the invention, the hand wheel 18 is rotated to drive the bevel gear set 16 to rotate, so that the retractable structure is retracted or expanded, and is tightly attached to the central hole wall of the hemispherical shell when being expanded, so as to fix the hemispherical shell.
As an embodiment of the present invention, the retraction structure includes a bidirectional screw rod 12 rotatably mounted on the housing 11, and two threaded sleeves symmetrically mounted on the bidirectional screw rod 12 and in threaded engagement with the bidirectional screw rod 12;
the same side of the two threaded sleeves is connected with a rubber plate 14 through a connecting rod 13, and the threaded sleeves located at the lower part are connected with the guide structure.
In the embodiment of the invention, when the bevel gear set 16 rotates, the bidirectional screw 12 is driven to rotate, so that the two threaded sleeves in threaded fit with the bidirectional screw 12 move relatively, and the rubber plate 14 is outwards supported by the connecting rod 13 to be tightly attached to the central hole wall of the semi-spherical shell, so that the semi-spherical shell is fixed.
As an embodiment of the present invention, the guide structure includes first guide rods 15 symmetrically installed on both sides of the bidirectional screw rod 12, and a limit sleeve slidably sleeved on the first guide rods 15, and the limit sleeve is fixedly connected to the threaded sleeve at the lower portion.
In the embodiment of the invention, when the bidirectional screw rod is used, the limiting sleeve can slide up and down on the first guide rod 15 and is connected with the threaded sleeve, so that the threaded sleeve cannot rotate along with the bidirectional screw rod 12, and the two threaded sleeves move oppositely or oppositely under the thread matching relationship.
As an embodiment of the present invention, the speed reduction assembly includes a second cylinder 21 fixedly mounted on the fixed column 2, and a slider 20 fixedly connected to the second cylinder 21 and slidably mounted on a second guide rod 19 fixed to the fixed column 2;
a rubber pad is arranged on one side, close to the transmission rod, of the sliding block 20, and a rubber ring 22 matched with the rubber pad is circumferentially arranged on the transmission rod.
In the embodiment of the invention, when the contact surfaces of the two hemispherical shells are fused to a specified depth in use, the telescopic end of the second piston 21 extends outwards to push the sliding block 20 to move outwards, and the sliding block 20 is combined with the rubber ring 22 on the transmission rod under the action of the second guide rod 19 so as to rapidly stop the transmission rod.
As an embodiment of the present invention, the central hole ABS floating ball welding device further includes an electrical control cabinet, and the electrical control cabinet is electrically connected to the power device 23, the first cylinder 4, and the second cylinder 21.
In the embodiment of the invention, when the device is used, the electric control cabinet is arranged, so that the integration level of the whole device is higher, and the device is more convenient, quicker and safer to use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A welding process for a central hole ABS floating ball is characterized by comprising the following steps:
the method comprises the following steps: the central holes of the two semicircular ball shells are respectively inserted on the two bidirectional screw rods, the rubber plate is not attached to the wall of the central hole at the moment, the bidirectional screw rods are driven to rotate by rotating the hand wheel, so that the two threaded sleeves move relatively, the rubber plate is outwards spread and acts on the central holes to fix the semicircular ball shells;
step two: the working button on the electrical control cabinet is pressed, the first air cylinder drives the upper die carrier to descend, so that the upper semicircular shell is pressed against the lower semicircular shell, the power device is controlled to rotate, and the upper semicircular shell and the lower semicircular shell are rubbed to generate heat through rotation, so that the contact surfaces of the upper semicircular shell and the lower semicircular shell reach a molten state;
step three: the upper and lower semi-spherical shells are melted to a specified depth, and the electric control cabinet controls the power device to decelerate to 200-300 revolutions;
step four: the telescopic end of the second cylinder is controlled by the electrical control cabinet to extend out, the sliding block is pushed to enable the rubber pad on the sliding block to be combined with the rubber ring on the transmission rod, the power device stops working, the first cylinder is controlled to continue to be pressed down, the upper semicircular shell and the lower semicircular shell are pressed together, pressure maintaining is carried out for several seconds, after pressure maintaining is finished, the telescopic end of the first cylinder is controlled by the electrical control cabinet to extend out, the upper die frame is driven to ascend, and product welding is completed.
2. A central hole ABS floating ball welding device, characterized in that, the central hole ABS floating ball welding device is used for realizing the central hole ABS floating ball welding process of claim 1, comprising:
a lower die carrier (1);
the lifting components are symmetrically arranged on the lower die carrier (1), and the upper part of the lifting components is fixedly provided with an upper die carrier (5);
the buffer assembly is arranged at the lower part of the upper die carrier (5) and is used for buffering when the upper die carrier (5) moves downwards to enable the two semicircular ball shells to be contacted;
the power assembly is arranged on the lower die set (1) to drive a semi-spherical shell on the lower die set (1) to rotate;
the clamping mechanism is arranged on the lower portion of the buffer component and the upper portion of the power component and is used for clamping the semi-spherical shell;
and the speed reduction assembly is arranged between the power assembly and the lifting assembly, so that the power assembly stops working instantly after the contact surfaces of the upper and lower hemispherical shells are fused to a specified depth.
3. The central hole ABS floating ball welding equipment as claimed in claim 2, characterized in that the lifting assembly comprises a plurality of fixed columns (2) which are fixedly and symmetrically arranged on the lower die carrier (1), a lifting column (3) which is slidably sleeved on the fixed columns (2), and a first air cylinder (4) which is fixedly arranged on the lifting column (3);
the telescopic end of the first cylinder (4) is fixedly connected with the fixing column (2).
4. The central hole ABS floating ball welding equipment according to claim 3, characterized in that the buffer assembly comprises two support rods (6) symmetrically installed on the upper die carrier (5), two sliding sleeves (8) slidably sleeved on the two support rods (6), and a spring (7) arranged on the support rods (6) and having one end abutting against the upper die carrier (5) and the other end abutting against the sliding sleeves (8);
the two sliding sleeves (8) are connected through a connecting rod (9), a fixing block (10) is fixedly mounted on the lower portion of the connecting rod (9), and the clamping mechanism is mounted on the lower portion of the fixing block (10).
5. The central hole ABS floating ball welding equipment according to claim 4, characterized in that the power assembly comprises a power device (23) fixedly installed at the lower part of the lower die carrier (1) and a transmission rod penetrating through the lower die carrier (1) and connected with the power device (23);
and one end of the transmission rod, which is far away from the power device (23), is fixedly provided with the clamping mechanism.
6. The central hole ABS floating ball welding equipment according to claim 5, characterized in that the clamping mechanism comprises two shells (11) fixedly arranged at the ends of the transmission rod and the fixed block (10), a retractable structure arranged on the shells (11), and a guide structure used for limiting the motion track of the retractable structure and arranged on the shells (11);
wherein, receive and release the structure through installing bevel gear group (16) in shell (11) are connected to rotate and are installed dwang (17) in shell (11), just dwang (17) are kept away from the one end of bevel gear group (16) extends to externally connected hand wheel (18) of shell (1).
7. The central hole ABS floating ball welding device according to claim 6, characterized in that, the retraction structure comprises a bidirectional screw rod (12) rotatably installed on the housing (11) and two threaded sleeves symmetrically installed on the bidirectional screw rod (12) and in threaded fit with the bidirectional screw rod (12);
the same side of the two threaded sleeves is connected with a rubber plate (14) through a connecting rod (13), and the threaded sleeves positioned at the lower part are connected with the guide structure.
8. The central hole ABS floating ball welding device as claimed in claim 7, wherein said guiding structure comprises a first guiding rod (15) symmetrically installed on both sides of said bidirectional screw rod (12) and a limiting sleeve slidably sleeved on said first guiding rod (15), said limiting sleeve is fixedly connected with said lower threaded sleeve.
9. The central hole ABS floating ball welding device as claimed in claim 5, characterized in that the deceleration component comprises a second cylinder (21) fixedly mounted on the fixed column (2) and a slide block (20) fixedly connected with the second cylinder (21) and slidably mounted on a second guide rod (19) fixed on the fixed column (2);
a rubber pad is arranged on one side, close to the transmission rod, of the sliding block (20), and a rubber ring (22) matched with the rubber pad is circumferentially arranged on the transmission rod.
10. The central hole ABS floating ball welding device according to claim 9, characterized in that, the central hole ABS floating ball welding device further comprises an electrical control cabinet, and the electrical control cabinet is electrically connected with the power device (23), the first cylinder (4) and the second cylinder (21).
Priority Applications (1)
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Application publication date: 20211119 |