CN115899033B - Hoop type fastener for automobile part, processing equipment and forming method thereof - Google Patents
Hoop type fastener for automobile part, processing equipment and forming method thereof Download PDFInfo
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- CN115899033B CN115899033B CN202211439955.8A CN202211439955A CN115899033B CN 115899033 B CN115899033 B CN 115899033B CN 202211439955 A CN202211439955 A CN 202211439955A CN 115899033 B CN115899033 B CN 115899033B
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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
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Abstract
The application relates to an automobile part hoop type fastener, processing equipment and a forming method thereof, comprising the following steps: the first arc-shaped piece and the second arc-shaped piece are rotatably connected at one end; an elastic connecting sheet is arranged on the first arc-shaped piece, a strip-shaped mounting groove is formed on the elastic connecting sheet and used for penetrating a bolt, and a threaded hole is formed on the second arc-shaped piece; a plurality of first helical teeth are equidistantly arranged on the elastic connecting sheet, and a plurality of second helical teeth are equidistantly arranged on the second arc-shaped piece; the elastic connecting piece is also provided with a first wedge-shaped block which is opposite to the first helical tooth in the inclination direction, and the second arc-shaped piece is provided with a second wedge-shaped block. Under the effect of first wedge and second wedge for the elastic connection piece can produce certain displacement relative to second arc spare, and first skewed tooth also can produce the displacement relative to second skewed tooth, and first skewed tooth cooperates with the second skewed tooth simultaneously, realizes unidirectional locking, in order to improve the fastness after the connection.
Description
Technical Field
The application relates to the technical field of hoops, in particular to an automobile part hoop type fastener, processing equipment and a forming method thereof.
Background
The anchor ear is a member for holding or hooping another material by using one material, and belongs to a fastener, the existing anchor ear fastener is formed by connecting a left anchor ear and a right anchor ear after the left anchor ear and the right anchor ear are closed, both ends of the semicircular ring are outwards bent, a mounting lug is respectively formed at one end of the left anchor ear, a caulking groove is formed in the mounting lug at one end of the left anchor ear, a pin roll is correspondingly arranged on the mounting lug at the corresponding end of the right anchor ear matched with the mounting lug, and a pin roll on one end of the right anchor ear is embedded in the caulking groove at one end of the left anchor ear, and when the anchor ear is mounted, the pin roll is inserted in the caulking groove and then one end of the pin roll is fixed.
But to the fixed condition of pin, the adjustability that exists is less, consequently, adopts the effect of bolt and nut to realize the adjustable function of fastening dynamics now generally, but adopts bolt and nut to fix, because the arc shape of staple bolt, when adopting bolt and nut to fix, has the phenomenon of bolt skew, and the fixed compactness of nut and bolt is relatively poor this moment, and stability is not high relatively.
Disclosure of Invention
The application aims to provide an automobile part hoop type fastener, processing equipment and a forming method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions:
an automotive component anchor ear fastener comprising:
the first arc-shaped piece and the second arc-shaped piece are rotatably connected at one end;
the first arc-shaped piece is provided with an elastic connecting piece, a strip-shaped mounting groove is formed in the elastic connecting piece and used for penetrating a bolt, and the second arc-shaped piece is provided with a threaded hole in threaded connection with the bolt;
the elastic connecting piece is provided with a plurality of first helical teeth at equal intervals, the second arc-shaped piece is provided with a plurality of second helical teeth at equal intervals, and the inclination directions of the first helical teeth and the second helical teeth are opposite;
the elastic connecting piece is also provided with a first wedge-shaped block opposite to the first helical tooth in the inclination direction, and the second arc-shaped piece is provided with a second wedge-shaped block opposite to the second helical tooth in the inclination direction.
Automotive part hoop fasteners as described above: the outer arc department of first arc spare is formed with the draw-in groove, the opening direction slope setting of draw-in groove is formed with cylindricality fastener on the elastic connection piece when the elastic connection piece is connected the second arc spare, cylindricality fastener card is put in the draw-in groove.
An automotive part hoop type fastener processing apparatus for casting an automotive part hoop type fastener, comprising:
the base is provided with two side plates which are oppositely arranged;
the casting mould is arranged between the two side plates and comprises a first mould and a second mould;
the driving mechanism is arranged on the side plate and connected with the first die and the second die and is used for driving the first die and the second die to rotate, and in the rotating process, the first die moves relative to the second die;
and the receiving mechanism is arranged on the base and used for performing secondary cooling when the parts of the hoop type fastener are separated from the casting die.
Automotive part hoop fasteners as described above: the driving mechanism includes:
drive shafts arranged at two sides of the second die;
the motor is arranged on the side plate, and an output shaft of the motor penetrates through the side plate and is connected with the driving shaft;
the thread transmission piece is connected with the first mould level second mould and comprises a threaded rod rotatably arranged on the second mould and a thread sleeve arranged on the first mould, and the thread sleeve is sleeved on the threaded rod and is in threaded connection with the threaded rod;
the bevel gear set comprises a second bevel gear fixed with the side plate and a first bevel gear connected with the threaded rod, and the first bevel gear is meshed with the second bevel gear.
Automotive part hoop fasteners as described above: the side plates are also provided with arc-shaped frames, sliding grooves are formed in the arc-shaped frames, and sliding blocks are slidably arranged in the sliding grooves;
the one end rotation that the threaded rod kept away from first bevel gear installs the connecting block, the connecting block pass through the pivot with the slider rotates to be connected, the axis direction of threaded rod with the axis direction of pivot is perpendicular.
Automotive part hoop fasteners as described above: the receiving mechanism comprises:
the water cooling groove is arranged on the base, and the upper end surface of the water cooling groove is arranged in an opening shape;
the circulating water tank is communicated with the water cooling tank through a communicating pipe;
the top plate is formed on the upper end surface of the water cooling groove;
and the buffer component is formed in the water cooling groove, and one end of the buffer component is abutted against the top plate.
Automotive part hoop fasteners as described above: the cushioning assembly includes:
the buffer plate is rotatably arranged on the inner side of the water cooling groove through a first connecting shaft, and an inserting groove is formed at one end of the buffer plate;
one end of the movable baffle is abutted with the side wall or the top plate of the water cooling tank, the other end of the movable baffle is inserted into the insertion tank, at least two second springs are arranged in the insertion tank, and two ends of each second spring are connected with the inner wall of the insertion tank and the movable baffle;
and the first spring is installed in the water cooling groove and is connected with the buffer plate.
Automotive part hoop fasteners as described above: the inner side of the water cooling tank is also provided with a spoiler in a rotating way through a second connecting shaft, and the second connecting shaft is connected with the first connecting shaft in a rotating way through a driving belt.
A method for forming an automotive part hoop type fastener comprises the following steps:
s1, casting and forming a first arc-shaped piece and a second arc-shaped piece by adopting the processing equipment;
s2, welding a cylindrical clamping piece on the first elastic connecting piece, and grooving one end of the first elastic connecting piece to form a strip-shaped mounting groove;
s3, welding a first helical tooth, a first wedge-shaped block, a second wedge-shaped tooth and a second wedge-shaped block on the first elastic connecting piece and the second arc-shaped piece respectively, and then tapping an upper rotating hole of the second arc-shaped piece;
s4, connecting the first arc-shaped piece and the second arc-shaped piece by adopting a rotating shaft to form the hoop-type fastener of the automobile part.
Compared with the prior art, the application has the beneficial effects that: the hoop type fastener for the automobile part is novel in design, and when the bolt is continuously screwed, the elastic connecting piece is driven to be close to the second arc-shaped piece, when the elastic connecting piece is close to the second arc-shaped piece, under the action of the first wedge-shaped block and the second wedge-shaped block, the elastic connecting piece can generate certain displacement relative to the second arc-shaped piece, at the moment, the first helical tooth can also generate displacement relative to the second helical tooth, and meanwhile, the first helical tooth is matched with the second helical tooth, so that one-way locking is realized, and the firmness after connection is improved.
The processing equipment that provides can realize cast member's automatic drawing of patterns and automatic ejection of compact, and directly enter into the water-cooling inslot at ejection of compact in-process and cool off, effectually improved casting efficiency, the buffer assembly that the accessible set up carries out effectual buffering before entering the water-cooling inslot, ensures cast member can not take place deformation because of the impact force effect when the ejection of compact, has improved cast member's yield, and the practicality is strong.
Drawings
FIG. 1 is a schematic structural view of an automotive component anchor ear fastener;
FIG. 2 is a schematic view of another angular configuration of an automotive component anchor ear fastener;
FIG. 3 is a schematic structural view of an automotive component hoop fastener processing apparatus;
FIG. 4 is an elevation view of an automotive component hoop fastener processing apparatus;
FIG. 5 is a schematic structural view of a drive mechanism in an automotive part hoop fastener processing apparatus;
FIG. 6 is a schematic structural view of a receiving mechanism in an automotive part hoop type fastener processing apparatus;
FIG. 7 is an elevation view of a receiving mechanism in an automotive part hoop fastener processing apparatus;
FIG. 8 is a perspective view in semi-section of a receiving mechanism in an automotive part hoop fastener processing apparatus;
FIG. 9 is a front elevational view, in half section, of a receiving mechanism in an automotive component anchor ear type fastener manufacturing apparatus;
FIG. 10 is a schematic view of the buffer assembly in a state in which the buffer assembly is not subjected to an external force;
FIG. 11 is a schematic view of the buffer assembly under the action of external force;
in the figure: 1-first arc piece, 2-second arc piece, 3-elastic connecting piece, 4-clamping groove, 5-cylindrical clamping piece, 6-first helical tooth, 7-first wedge block, 8-strip-shaped mounting groove, 9-second helical tooth, 10-second wedge block, 11-threaded hole, 12-base, 13-circulation water cooling mechanism, 14-side plate, 15-motor, 16-arc frame, 17-first mould, 18-second mould, 19-water cooling groove, 20-connecting block, 21-slide block, 22-slide groove, 23-threaded rod, 24-threaded sleeve, 25-first bevel gear, 26-second bevel gear, 27-driving shaft, 28-circulation water tank, 29-driving belt, 30-buffer plate, 31-top plate, 32-water inlet pipe, 33-return pipe, 34-movable baffle, 35-insertion groove, 36-first connecting shaft, 37-baffle plate, 38-first spring, 39-second spring, 40-second connecting shaft.
Detailed Description
Various exemplary embodiments, features and aspects of the application will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, numerous specific details are set forth in the following examples in order to provide a better illustration of the application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, well known methods, procedures, and components have not been described in detail so as not to obscure the present application.
Referring to fig. 1 to 2, in an embodiment of the present application, an automotive part hoop-type fastener includes a first arc-shaped member 1, a second arc-shaped member 2 and an elastic connecting piece 3.
One end of the first arc-shaped piece 1 and one end of the second arc-shaped piece 2 are rotatably installed through a rotating shaft to form a hoop structure, and in an exemplary embodiment, the arc angles of the first arc-shaped piece 1 and the second arc-shaped piece 2 are smaller than 180 degrees.
Preferably, the outer arcs of the first arc-shaped member 1 and the second arc-shaped member 2 are respectively formed with an arc-shaped groove, so that after the elastic connecting piece 3 connects the first arc-shaped member 1 and the second arc-shaped member 2, the space occupation of the elastic connecting piece 3 is reduced.
Install (can adopt welding or bolt fastening) on the first arc piece 1 have the elastic connection piece 3, just be formed with bar mounting groove 8 on the elastic connection piece 3, bar mounting groove 8 is used for the run through of bolt, and exemplary, a concrete embodiment, elastic connection piece 3 is kept away from one side of first arc piece 1 is formed with a plurality of ribs, and the rib sets up along the length direction of elastic connection piece 3 to increase the intensity of elastic connection piece 3, prevent that elastic connection piece 3 from breaking, influence result of use.
The second arc-shaped piece 2 is provided with a threaded hole 11 which is used for being connected with a bolt in a threaded mode, the elastic connecting piece 3 is provided with a plurality of first helical teeth 6 at equal intervals, the second arc-shaped piece 2 is provided with a plurality of second helical teeth 9 which are arranged at equal intervals, the inclination directions of the first helical teeth 6 and the second helical teeth 9 are opposite, the elastic connecting piece 3 is also provided with a first wedge-shaped block 7 which is opposite to the inclination direction of the first helical teeth 6, and the second arc-shaped piece 2 is provided with a second wedge-shaped block 10 which is opposite to the inclination direction of the second helical teeth 9.
When the elastic connecting piece is used, the first arc-shaped piece 1 and the second arc-shaped piece 2 are sleeved on a fixed object, then the elastic connecting piece 3 is provided with a thread hole 11 position, in which the thread hole is formed in the second arc-shaped piece 2, of a strip-shaped mounting groove 8, a bolt penetrates through the strip-shaped mounting groove 8 and is in contact with the thread hole 11, at the moment, the inclined surface of the first wedge-shaped piece 7 is in contact with the inclined surface of the second wedge-shaped piece 10, the elastic connecting piece 3 is driven to be close to the second arc-shaped piece 2 when the bolt is continuously screwed, when the elastic connecting piece 3 is close to the process, the elastic connecting piece 3 can generate certain displacement relative to the second arc-shaped piece 2 under the action of the first wedge-shaped piece 7 and the second wedge-shaped piece 10, at the moment, the first helical tooth 6 can also generate displacement relative to the second helical tooth 9, and meanwhile, the first helical tooth 6 is matched with the second helical tooth 9, so that one-way locking is realized, and firmness after connection is improved.
Preferably, the outer arc department of first arc piece 1 is formed with draw-in groove 4, the opening direction slope of draw-in groove 4 sets up, be formed with cylindricality fastener 5 on the elastic connection piece 3, specifically, cylindricality fastener 5 and elastic connection piece 3 integrated into one piece when the elastic connection piece 3 is connected second arc piece 2, cylindricality fastener 5 card put in draw-in groove 4, the cylindricality fastener 5 of setting cooperates with draw-in groove 4 for the contact point between first arc piece 1 and the elastic connection piece 3 increases, has improved the fastness of being connected between elastic connection piece 3 and the first arc piece 1, has reduced the problem emergence of first arc piece 1 and elastic connection piece 3 separation.
As still another embodiment of the present application, referring to fig. 3-9, there is further provided an apparatus for processing an automotive part hoop-type fastener for casting the automotive part hoop-type fastener, where after casting is completed, only the outer shape blanks of the first arc-shaped member 1 and the second arc-shaped member 2 are required to be processed subsequently, the apparatus for processing an automotive part hoop-type fastener includes: base 12, casting mould, actuating mechanism and receiving mechanism.
Two opposite side plates 14 are formed on the base 12, wherein the base 12 is assembled by using a profile bracket, and of course, bases with other structures can be adopted, which are not particularly limited in the application and can be selected according to requirements.
The casting mould sets up in two between the curb plate 14, including first mould 17 and second mould 18, the inboard of first mould 17 and second mould 18 is formed with the cooling runner, and this cooling runner passes through flexible connecting pipe intercommunication with the circulating water cooling mechanism 13 of installing on the base 12 to realize the circulating water cooling operation in the casting mould, an exemplary embodiment, circulating water cooling mechanism 13 including be sealed form setting the water storage tank and form in the refrigerating mechanism in the water storage tank (adopt current refrigeration plant can), still include the first circulating pump of installing on the water storage tank, the water outlet end of first circulating pump passes through flexible connecting pipe connection the water inlet of cooling runner, the water inlet end intercommunication of first circulating pump the water storage tank, the water storage tank still through another flexible pipe with the delivery port intercommunication of cooling runner, thereby realize circulating water cooling's effect.
The specific structure of the first mold 17 and the second mold 18 is not described in detail, and the present application is only required to use the existing casting mold.
The driving mechanism is mounted on the side plate 14 and connects the first mold 17 and the second mold 18, and is used for driving the first mold 17 and the second mold 18 to rotate, and in the rotating process, the first mold 17 moves relative to the second mold 18, that is, in the casting process, the first mold 17 and the second mold 18 are in a vertical placement state, at this time, the first mold 17 and the second mold 18 are in a mold closing state, raw materials are injected through an injection port formed on the first mold 17, and when the molds are required to be opened, the set driving mechanism drives the first mold 17 and the second mold 18 to integrally rotate, and in the rotating process, the first mold 17 moves away from the second mold 18, so as to realize the demolding operation in the rotating process.
Wherein, the actuating mechanism includes: a drive shaft 27, a motor 15, a threaded transmission and a bevel gear set.
The driving shaft 27, the motor 15, the threaded transmission member and the bevel gear set are all provided with two parts, and are respectively located at two sides of the casting mold, taking one of them as an example: the driving shaft 27 is arranged at one side of the second die 18, the motor 15 is mounted on the side plate 14, and an output shaft of the motor 15 penetrates through the side plate 14 and is connected with the driving shaft 27;
the threaded transmission member is connected with the first die 17-stage second die 18 and comprises a threaded rod 23 rotatably mounted on the second die 18 and a threaded sleeve 24 arranged on the first die 17, and the threaded sleeve 24 is sleeved on the threaded rod 23 and is in threaded connection with the threaded rod 23;
the bevel gear set includes a second bevel gear 26 fixed to the side plate 14 and a first bevel gear 25 connected to the threaded rod 23, and the first bevel gear 25 is meshed with the second bevel gear 26.
When the motor 15 works, the second die 18 is driven to rotate along the axis of the driving shaft 27, meanwhile, the first die 17 rotates in a following way, and because the second bevel gear 26 is fixed with the side plate 14, when the second die 18 rotates, the first bevel gear 25 rotates in a following way, at the moment, the first bevel gear 25 rotates under the action of the second bevel gear 26, when the first bevel gear 25 rotates, the threaded rod 23 is driven to rotate, the threaded rod 23 drives the threaded sleeve 24-stage first die 17 to move along the direction parallel to the axis of the threaded rod 23, so that the first die 17 moves reversely relative to the second die 18 when rotating along with the second die 18, and demoulding is realized.
Preferably, the side plate 14 is further provided with an arc-shaped frame 16, a chute 22 is formed on the arc-shaped frame 16, a sliding block 21 is slidably mounted in the chute 22, a connecting block 20 is rotatably mounted at one end of the threaded rod 23, which is far away from the first bevel gear 25, the connecting block 20 is rotatably connected with the sliding block 21 through a rotating shaft, and the axial direction of the threaded rod 23 is perpendicular to the axial direction of the rotating shaft.
Form spout 22 on the arc frame 16 through setting up, cooperation slider 21 level connecting block 20's effect realizes the steady motion of threaded rod 23 other end, can play certain firm effect to the casting mould simultaneously, ensures at first mould 17, second mould 18 rotation and remove the in-process can not cause great pressure to threaded rod 23, can effectively eliminate the cracked possibility of threaded rod 23.
The receiving mechanism is mounted on the base 12 for secondary cooling when the parts of the hoop fastener are removed from the casting mold.
Specifically, the material receiving mechanism comprises a water cooling tank 19, a circulating water tank 28, a top plate 31 and a buffer assembly.
The water cooling tank 19 is installed on the base 12, and the upper end surface of the water cooling tank 19 is provided with an opening, a top plate 31 is formed at a position where an opening at the upper end of the water cooling tank 19 is close to the second die 18, so that an embedded groove with an open side end is formed at the inner side of one end of the water cooling tank 19 close to the second die 18, the buffer assembly is rotatably installed in the water cooling tank 19, and one end of the buffer assembly is arranged in the embedded groove, in an exemplary embodiment, the buffer assembly comprises a buffer plate 30, a movable baffle 34 and a first spring 38, the buffer plate 30 is rotatably installed at the inner side of the water cooling tank 19 through a first connecting shaft 36, an inserting groove 35 is formed at one end of the buffer plate 30, one end of the movable baffle 34 is in butt joint with the side wall or the top plate 31 of the water cooling tank 19, the other end of the buffer plate is inserted in the inserting groove 35, at least two second springs 39 are arranged in the inserting groove 35, and two ends of the second springs 39 are connected with the inner wall of the inserting groove 35 and the movable baffle 34, and the first spring 38 are installed in the buffer plate 19.
The circulating water tank 28 is communicated with the water cooling tank 19 through a communicating pipe, specifically, the communicating pipe comprises a water inlet pipe 32 and a return pipe 33, two ends of the water inlet pipe 32 are respectively communicated with the inner embedded tank and the inner side of the circulating water tank 28, the return pipe 33 is communicated with the inner sides of the circulating water tank 28 and the water cooling tank 19, cooling water in the circulating water tank 28 enters the inner embedded tank in the water cooling tank 19 through the water inlet pipe 32, flows into the water cooling tank 19 positioned on one side of the buffer plate 30 and far away from the inner embedded tank through a water guide channel A, and then flows back into the circulating water tank 28 through the return pipe 33, and a circulating pump is arranged in the circulating water tank 28 to generate power for water circulation.
In the initial state, the water level in the embedded groove is higher than the water level in the water cooling groove 19 on the side of the buffer plate 30 away from the embedded groove.
Further, the inner side of the water cooling tank 19 is rotatably mounted with a spoiler 37 via a second connecting shaft 40, and the second connecting shaft 40 is rotatably connected with the first connecting shaft 36 via a driving belt 29.
Referring to fig. 10 and 11 in combination with the whole of the buffering assembly, when the buffering plate 30 is not subjected to other pressures, the buffering plate 30 is in an inclined placement state under the action of the first spring 38, one end of the movable baffle 34, which is far away from the buffering plate 30, is abutted on the inner wall of the embedded groove, a water guide channel A is formed between one end of the movable baffle 34 and the bottom of the water cooling groove 19, water in the embedded groove flows through the water guide channel A, when a cast piece falls onto the buffering plate 30, the buffering plate 30 receives the pressure to act to rotate, meanwhile, the first spring 38 is extruded to enable the buffering plate 30 to rotate, when the buffering plate 30 rotates, the passing area of the water guide channel A is increased, the water in the embedded groove is instantaneously gushed out to increase, and when the buffering plate 30 rotates, the water is driven to rotate through the action of the first connecting shaft 36, the driving belt 29 and the second connecting shaft 40 to contact the blocking plate 37, the water can reversely move, and the casting height on the embedded groove flows through the water guide channel A, so that the cast piece is further buffered by the cast piece, and the problem of the water level piece is effectively prevented from being deformed due to the fact that the impact force is generated when the impact force is effectively generated.
In summary, the processing equipment provided by the application can realize automatic demolding and automatic discharging of the cast piece, and the cast piece directly enters the water cooling tank 19 for cooling in the discharging process, so that the casting efficiency is effectively improved, the cast piece can be effectively buffered by the buffer component before entering the water cooling tank 19, the cast piece is ensured not to deform due to impact force in discharging, the yield of the cast piece is improved, and the practicability is strong.
As still another embodiment of the present application, there is also provided a method for forming an automotive part hoop-type fastener, including the steps of:
s1, casting and forming a first arc-shaped piece 1 and a second arc-shaped piece 2 by adopting the processing equipment;
s2, welding a cylindrical clamping piece 5 on the first elastic connecting piece 3, and grooving one end of the first elastic connecting piece 3 to form a strip-shaped mounting groove;
s3, welding a first helical tooth 6, a first wedge-shaped block 7, a second wedge-shaped tooth 9 and a second wedge-shaped block 10 on the first elastic connecting sheet 3 and the second arc-shaped piece 2 respectively, and then tapping the upper rotating hole of the second arc-shaped piece 2;
s4, connecting the first arc-shaped piece 1 and the second arc-shaped piece 2 by adopting a rotating shaft to form the hoop type fastener of the automobile part.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. An automotive component anchor ear fastener comprising:
one end of the first arc-shaped piece (1) is rotationally connected with the second arc-shaped piece (2);
install elastic connection piece (3) on first arc spare (1), just be formed with bar mounting groove (8) on elastic connection piece (3), bar mounting groove (8) are used for the run through of bolt, be formed with on second arc spare (2) be used for with bolt threaded connection's screw hole (11), its characterized in that:
a plurality of first helical teeth (6) are equidistantly arranged on the elastic connecting sheet (3), a plurality of second helical teeth (9) are equidistantly arranged on the second arc-shaped piece (2), and the inclination directions of the first helical teeth (6) and the second helical teeth (9) are opposite;
the elastic connecting piece (3) is also provided with a first wedge-shaped block (7) with the inclination direction opposite to that of the first helical tooth (6), and the second arc-shaped piece (2) is provided with a second wedge-shaped block (10) with the inclination direction opposite to that of the second helical tooth (9).
2. The automobile part hoop type fastener according to claim 1, wherein a clamping groove (4) is formed at the outer arc of the first arc-shaped piece (1), the opening direction of the clamping groove (4) is obliquely arranged, a cylindrical clamping piece (5) is formed on the elastic connecting piece (3), and when the elastic connecting piece (3) is connected with the second arc-shaped piece (2), the cylindrical clamping piece (5) is clamped in the clamping groove (4).
3. An automotive component anchor ear fastener machining apparatus for casting an automotive component anchor ear fastener as claimed in any one of claims 1-2, comprising:
a base (12), wherein two side plates (14) which are oppositely arranged are formed on the base (12);
the casting mould is arranged between the two side plates (14) and comprises a first mould (17) and a second mould (18);
the driving mechanism is arranged on the side plate (14) and is connected with the first die (17) and the second die (18) and is used for driving the first die (17) and the second die (18) to rotate, and in the rotating process, the first die (17) moves relative to the second die (18);
and the receiving mechanism is arranged on the base (12) and is used for performing secondary cooling when the parts of the hoop type fastener are separated from the casting mould.
4. A car component hoop fastener processing apparatus as claimed in claim 3, wherein the drive mechanism comprises:
drive shafts (27) provided on both sides of the second mold (18);
a motor (15), wherein the motor (15) is mounted on the side plate (14), and an output shaft of the motor (15) penetrates through the side plate (14) and is connected with the driving shaft (27);
the screw transmission part is connected with the first die (17) and the second die (18) and comprises a threaded rod (23) rotatably arranged on the second die (18) and a screw sleeve (24) arranged on the first die (17), and the screw sleeve (24) is sleeved on the threaded rod (23) and is in threaded connection with the threaded rod (23);
the bevel gear set comprises a second bevel gear (26) fixed with the side plate (14) and a first bevel gear (25) connected with the threaded rod (23), and the first bevel gear (25) is meshed with the second bevel gear (26).
5. The automobile part hoop type fastener processing equipment according to claim 4, wherein an arc-shaped frame (16) is further arranged on the side plate (14), a sliding groove (22) is formed on the arc-shaped frame (16), and a sliding block (21) is slidably arranged in the sliding groove (22);
the one end rotation that threaded rod (23) kept away from first bevel gear (25) is installed connecting block (20), connecting block (20) through the pivot with slider (21) rotate and be connected, the axis direction of threaded rod (23) with the axis direction of pivot is perpendicular.
6. A car component hoop fastener processing apparatus as claimed in claim 3, wherein the stock receiving means comprises:
the water cooling tank (19) is arranged on the base (12), and the upper end surface of the water cooling tank (19) is arranged in an opening shape;
a circulating water tank (28) which is communicated with the water cooling tank (19) through a communicating pipe;
a top plate (31) formed on the upper end surface of the water cooling tank (19);
and a buffer assembly formed in the water cooling tank (19) and having one end abutting against the top plate (31).
7. The automotive component hoop fastener processing apparatus of claim 6, wherein the buffer assembly comprises:
a buffer plate (30) rotatably mounted on the inner side of the water cooling tank (19) through a first connecting shaft (36), wherein an insertion groove (35) is formed at one end of the buffer plate (30);
a movable baffle (34), one end of which is abutted with the side wall or the top plate (31) of the water cooling tank (19), the other end of which is inserted into the insertion groove (35), at least two second springs (39) are arranged in the insertion groove (35), and two ends of each second spring (39) are connected with the inner wall of the insertion groove (35) and the movable baffle (34);
and a first spring (38) which is installed in the water cooling tank (19) and is connected with the buffer plate (30).
8. The automobile part hoop type fastener processing equipment according to claim 7, wherein the inner side of the water cooling groove (19) is further rotatably provided with a spoiler (37) through a second connecting shaft (40), and the second connecting shaft (40) is rotatably connected with the first connecting shaft (36) through a transmission belt (29).
9. The method for forming the hoop type fastener of the automobile part is characterized by comprising the following steps of:
s1, casting and forming a first arc-shaped piece (1) and a second arc-shaped piece (2) by adopting the processing equipment as claimed in any one of claims 3 to 8;
s2, welding a cylindrical clamping piece (5) on the first elastic connecting piece (3), and grooving one end of the first elastic connecting piece (3) to form a strip-shaped mounting groove;
s3, welding a first helical tooth (6), a first wedge-shaped block (7), a second wedge-shaped tooth (9) and a second wedge-shaped block (10) on the first elastic connecting sheet (3) and the second arc-shaped piece (2) respectively, and then tapping an upper rotating hole of the second arc-shaped piece (2);
s4, connecting the first arc-shaped piece (1) and the second arc-shaped piece (2) by adopting a rotating shaft to form the hoop type fastener of the automobile part.
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| CN202211439955.8A CN115899033B (en) | 2022-11-17 | 2022-11-17 | Hoop type fastener for automobile part, processing equipment and forming method thereof |
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| CN202211439955.8A CN115899033B (en) | 2022-11-17 | 2022-11-17 | Hoop type fastener for automobile part, processing equipment and forming method thereof |
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| CN115899033B true CN115899033B (en) | 2023-09-12 |
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| DE4013690A1 (en) * | 1990-04-28 | 1991-10-31 | Egon Striedelmeyer | Pipe fixture clamp for downpipes - has tie bolt and two curved clamp parts each with curved piece and clamping arm |
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| DE102004045993A1 (en) * | 2004-09-22 | 2006-04-06 | Poloplast Gmbh & Co.Kg | Pipe clip, with a ring-shaped body and foot, has a closure clip with a ratchet stop action to lock the clip at the opening by a relative movement between ratchets in a positive fit |
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|---|---|
| CN115899033A (en) | 2023-04-04 |
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