CN205685740U - A kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig - Google Patents

Abstract

This utility model is specifically related to a kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig.Purpose is to provide university students's equation motorcycle race suspension carbon fiber pipe bonding jig that a kind of production cost is low, bonding quality is high, adhesive reinforcement is good.This fixture includes seal box, in described casing, detent mechanism is set, described detent mechanism includes bracket cage, adjusting screw rod that several are parallel to each other, that vertically place is set in bracket cage, place, between the gap of two adjacent adjusting screw rods, the carbon fiber pipe being vertically arranged, make the sidewall of carbon fiber pipe side and the sidewall contact of adjacent two adjusting screw rods；The sidewall of the opposite side of described carbon fiber pipe and two contacts side surfaces of the V-arrangement draw-in groove of setting on check lock lever.Adjusting screw rod and check lock lever regulation carbon fiber pipe axial location, to ensure that carbon fiber pipe and metal joint axiality time bonding between the two meets requirement, arrange multiple adjusting screw rod and check lock lever can realize the mass production that carbon fiber pipe is bonding with metal joint.

Description

A kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig

Technical field

This utility model relates to equation motorcycle race suspension technical field, is specifically related to a kind of university students's equation motorcycle race suspension Use carbon fiber pipe bonding jig.

Background technology

Carbon fibre composite is progressively popularized to civil area from high-end fields such as Aero-Space, and carbon fiber pipe has The advantages such as proportion is little, rigidity is big, intensity is high, corrosion-resistant, are widely used in medical apparatus and instruments, sports equipment.But due to himself Characteristic makes the mechanical connection of carbon fiber pipe extremely difficult, so using glue bonding, becomes a kind of fairly simple connect efficiently Connect mode.Nowadays, the contest of FSAE university students's formula car uses glue bonding with metal joint of carbon fiber pipe a large amount of Connect the goods guiding mechanism as racing car suspension system.

Suspension is embodied in its kinetic characteristic and to power and the power being delivered to chassis from tire for dynamic (dynamical) importance The response of square.For the entire vehicle design of equation motorcycle race, suspension property is clearly affects car load control stability and ride comfort Key factor, thus suspension system design in entire vehicle design in occupation of very important status.Carbon fiber Successful utilization is arrived After in the upper and lower yoke of suspension system, can loss of weight 57%, but selecting carbon fiber pipe is the material of the double transverse arms in independent suspension system After material, an important problem occurs therewith, be the connection of carbon fiber and metallic article.

Use adhesive that the method needing two parts gluedd joint to stick into a part is referred to as glue to connect.Glue connects fiber broken Bad minimum, the stress collection of generation is medium and small, and the gross mass finally sticking into a part is little, the surface unusual light made, processing technology The easiest, fabrication and processing cost ratio is relatively low, and compares and can resist corrosion, the permanent deformation of generation is little.But, it is more difficult to control Be the quality of glue connection, transmit very top load as glue connects, then stress can be unreliable.At present, domestic to FSAE carbon fiber suspension The research of bonding problem mainly with Harbin Institute of Technology as representative by change the type of adhesive, bonding length, The factors such as bonding gap, surface process carry out improving and studying.Although achieve certain progress and improvement, but due at carbon During the viscose glue of fiber pipe and aluminium joint, the impact of anthropic factor is the biggest.Through replica test laggard row data analysis With process, just find that the diversity of the adhesive strength of each test specimen is very big, and often occur that adhesive strength is undesirable Case.And FSAE racing car is for safety, absolutely not allow the probability that carbon fiber suspension adhesive strength is not enough occurs, therefore, no The FSAE racing car of few university transfers to use the suspension transverse arm of traditional steel welding.

During common technique for sticking, there is no special jig for cementing, the existing fixture master for carbon fiber pipe Being used for punching carbon fiber pipe or surface process, its retaining part of such fixture is typically at staple joint, and by Matched in clearance between joint and carbon fiber pipe, therefore the axis of bonding process center tap and carbon fiber pipe can produce each other The skew of raw certain angle, bonding after cannot ensure the axiality between carbon fiber pipe and metal joint, glue the most easily occurs Adhesive linkage skewness, bonding quality is difficult to ensure that unanimously.The tubing fixture of existing machining is for gold mostly Belong to pipe, owing to metal is bigger with the physical property gap of carbon fiber, it is impossible to directly use existing tubing fixture, and general folder Tool once can only clamp a pipe fitting, also cannot mass production.

Summary of the invention

For the deficiency of said apparatus, the purpose of this utility model is to provide that a kind of production cost is low, bonding quality is high, viscous Connect university students's equation motorcycle race suspension carbon fiber pipe bonding jig that precision is good.

For achieving the above object, this utility model be the technical scheme is that a kind of university students's equation motorcycle race Suspension carbon fiber pipe bonding jig, including seal box, the case lid of seal box is arranged on casing top, sets between case lid and casing Putting sealing strip, the through hole that body side is arranged is connected with one end of vacuum tube by vacuum adapter, and the other end of vacuum tube is with true Empty pump connects, and described vacuum tube is additionally provided with Pressure gauge；

Arranging detent mechanism in described casing, described detent mechanism includes bracket cage, arranges several mutual in bracket cage Adjusting screw rod parallel, that vertically place, the interstitial site front between two adjacent adjusting screw rods is arranged can be along level side The check lock lever regulated forwards, backwards, check lock lever arranges the V-arrangement draw-in groove of position between two adjacent adjusting screw rods, this V-arrangement draw-in groove Adjusting screw rod adjacent with two constitutes the location to carbon fiber pipe；The upper/lower terminal of described carbon fiber pipe connects with a metal respectively Head connects, and two metal joints are respectively by can vertically fix by up-down adjustment, horizontal positioned compression metallic plate.

Preferably, the two ends up and down of described check lock lever are each passed through that arrange on two compression metallic plates, vertically The strip regulation through hole offered, the plane at the length direction place of regulation through hole is vertical with the plane at bracket cage place；Described Compressing the locking through hole arranging level on the sidewall of metallic plate, locking through hole connects, in described locking through hole with regulation through hole Arranging regulation screw, regulation screw contacts with check lock lever；Adjusting screw rod vertically arranges location on compression metallic plate Through hole, sheathed locking nut, lock washer on described adjusting screw rod, the end face of lock washer and the end face compressing metallic plate connect Touch；Make two to compress metallic plate and produce the thrust that direction is relative；Described metal joint and the electrical heating of setting in seal box Silk connects.

Preferably, described metal joint includes end round platform and dome platform, and the diameter of described end round platform is more than dome platform Diameter, the bottom of round platform of the described end arranges blanking cover, and the upper surface of round platform of the described end, the lateral surface position of dome platform arrange first Sealing gasket, the upper end of described dome platform arranges the second sealing gasket, and the medial surface of carbon fiber pipe contacts with the lateral surface of dome platform, carbon The end face of fiber pipe and the upper surface contact of the first sealing gasket；The internal diameter of described carbon fiber pipe is slightly less than the external diameter of dome platform；

Preferably, the bottom of described end round platform in axial direction arranges multiple the first permeability hole circumferentially, described The lateral wall of dome platform multiple second permeability hole, the first described permeability hole and the second permeability hole phase are radially set Logical；On the lateral surface of described dome platform, outside the second permeability hole, sealing film is set.

Preferably, described metal joint arranges ventilative through hole along its axis direction, in the inwall of ventilative through hole is arranged Screw thread.

Preferably, the medial wall of described casing arranging electrostatic precipitation plate, arrange outside electrostatic precipitation plate and casing joins Electronic box connects；Vertically arranging chute on the medial surface of described casing, the shape of chute adapts with the shape of bracket cage.

The following beneficial effect of this utility model: adjusting screw rod and check lock lever are easy to adjust, and can effectively adjust carbon Position between fiber pipe and metal joint, full to ensure carbon fiber pipe and metal joint axiality time bonding between the two Foot requirement, arranges multiple adjusting screw rod and check lock lever can realize the mass production that carbon fiber pipe is bonding with metal joint, improves Production efficiency.

Accompanying drawing explanation

Fig. 1 is bonding jig structural representation；

Fig. 2 is bonding jig structural representation under case lid open mode；

Fig. 3 is seal box front view sectional view；

Fig. 4 is the A-A sectional view of Fig. 3；

Fig. 5 is the B-B sectional view of Fig. 4；

Fig. 6 is carbon fiber pipe and metal joint connection sectional view；

Fig. 7 is carbon fiber pipe and metal joint connecting shaft mapping；

Fig. 8 is for compressing metallic plate axonometric drawing；

Fig. 9 is housing bracket axonometric drawing；

Figure 10 is that housing bracket axle surveys explosive view.

Detailed description of the invention

As shown in Fig. 1-Figure 10, a kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig, including sealing Case, the case lid 1 of seal box is arranged on casing 2 top, arranges sealing strip 18 between case lid 1 and casing 2, and casing 2 side is arranged Through hole is connected with one end of vacuum tube 3 by vacuum adapter, and the other end of vacuum tube 3 is connected with vacuum pump 5, described vacuum tube 3 On be additionally provided with Pressure gauge 4；Arranging electrostatic precipitation plate 15 on the medial wall of described casing 2, electrostatic precipitation plate 15 sets outside casing 2 The distribution box 17 put connects；Arranging detent mechanism in described casing 2, described detent mechanism includes bracket cage 13, described casing 2 Medial surface on chute 16 is vertically set, the shape of chute 16 adapts with the shape of bracket cage 13.So can be square Just bracket cage 13 is put into casing 2 or from casing 2 take out.

Arranging detent mechanism in described casing 2, described detent mechanism includes bracket cage 13, arranges several in bracket cage 13 Adjusting screw rod 14 that be parallel to each other, that vertically place, the interstitial site front between two adjacent adjusting screw rods 14 is arranged can Before and after in the horizontal direction, the check lock lever 9 of regulation, check lock lever 9 arranges the V-arrangement card of position between two adjacent adjusting screw rods 14 Groove, this V-arrangement draw-in groove and two adjacent adjusting screw rods 14 constitute the location to carbon fiber pipe 7；The upper/lower terminal of described carbon fiber pipe 7 Being connected with a metal joint 6 respectively, two metal joints 6 are respectively by can be vertically up-down adjustment, horizontal positioned Compress metallic plate 8 to fix.Accordingly even when the internal diameter of carbon fiber pipe 7 is more than the external diameter of metal joint 6 epirelief round platform 62, it is also possible to logical Cross adjustment check lock lever 9, make check lock lever 9 jointly the position of carbon fiber pipe 7 be corrected with adjusting screw rod 14, make carbon fiber pipe 7 Axis and the axis of metal joint 6 keep coaxial.Described metal joint 6 can be stainless joint, it is also possible to be that aluminum closes Gold joint, it is also possible to be the joint of almag joint or other metal materials.

The two ends up and down of check lock lever 9 are each passed through on two of horizontal positioned compression metallic plates 8, vertically offer Strip regulation through hole 81, such check lock lever 9 can seesaw along regulation through hole 81, the length direction place of regulation through hole 81 Plane vertical with the plane at bracket cage 13 place；The locking through hole 82 of level is set on the sidewall of described compression metallic plate 8, lock Tight through hole 82 connects with regulation through hole 81, arranges regulation screw 83, regulation screw 83 and check lock lever 9 in described locking through hole 82 Contact, by turning adjusting screw 83, can change the check lock lever 9 position in regulation through hole 81, it is achieved thereby that check lock lever 9 Regulatory function front and back.Can also be horizontally disposed with a set of screw slider structure along the longitudinal direction, slide block is connected with check lock lever 9, so Regulatory function before and after check lock lever 9 can also be realized.

The two ends of described carbon fiber pipe 7 are connected with metal joint 6 respectively, and described metal joint 6 includes end round platform 61 He Dome platform 62, the diameter of described end round platform 61 is more than the diameter of dome platform 62, and described dome platform 62 inserts carbon fiber pipe 7 In；The internal diameter of described carbon fiber pipe 7 is slightly less than the external diameter of dome platform 62.

Glue brushing between carbon fiber pipe 7 and joint 6 is generally first brushing glue outside joint 6, then Carbon fiber pipe 7 is enclosed within joint 6, but unnecessary glue so can be caused squeezed from carbon fiber pipe 7 with the gap of joint 6 Going out, the lateral wall of joint 6 speckles with the glue also having residual on the inwall of the ventilative through hole 68 in remaining glue, even joint 6, The most difficult removal after these removing residual glue water cures, has had a strong impact on the use of joint 6, and glue brushing is in the outer rear flank of joint 6, the most easily Contact with the dust of residual in air, so can affect the adhesive effect of glue.Therefore preferably embodiment is: described The bottom of end round platform 61 in axial direction arranges multiple first permeability hole 63, and the lateral wall of described dome platform 62 is radially Arranging multiple second permeability hole 64, the first described permeability hole 63 communicates with the second permeability hole 64；The side of described dome platform 62 On wall, outside the second permeability hole 64, sealing film 67 is set.The bottom of round platform of the described end 61 arranges blanking cover 65, round platform of the described end 61 Upper surface, the lateral surface position of dome platform 62 first sealing gasket 69 is set, the upper end of described dome platform 62 arranges the second sealing Pad 66, the medial surface of carbon fiber pipe 7 contacts with the lateral surface of dome platform 62, the end face of carbon fiber pipe 7 and the first sealing gasket 69 Upper surface contacts.

Adjusting screw rod 14 vertically arranges positioning through hole 84, on described adjusting screw rod 14 on compression metallic plate 8 Sheathed locking nut 12, lock washer 11, the end face of lock washer 11 and the end contact compressing metallic plate 8；Make two compressions Metallic plate 8 produces the thrust that direction is relative；When two locking nuts 12 of top, lower section are transported along adjusting screw rod about 14 simultaneously Dynamic, can realize compressing the up-down adjustment function of metallic plate 8, it is also possible to a sleeve screw rod slide block structure is vertically set, sliding Block is connected with compressing metallic plate 8, so can also realize compressing the up-down adjustment function of metallic plate 8.Described metal joint 6 is with close The electrical heating wire 70 arranged in joint sealing connects.

Described metal joint 6 arranges ventilative through hole 68 along its axis direction, and the inwall of ventilative through hole 68 arranges interior spiral shell Stricture of vagina, the described corresponding position of metallic plate 8 that compresses is arranged and the metallic plate air-vent 84 of through hole 68 concentric of breathing freely；Described gold Arranging alignment pin 85 in belonging to plate air-vent 84, the shape of alignment pin 85 adapts with the shape of ventilative through hole 68.

In order to make sealing film have certain intensity, the pressure of glue can be born, there is again the spy of low melting point simultaneously Point, convenient thawing, more preferable embodiment is: described sealing film 67 includes plastic layer, the both sides brushing eutectic of plastic layer Point paraffin, described plastic layer is mixed by EVA and LDPE, and wherein the mass fraction of EVA is 50%-70%, the matter of LDPE Amount mark is 30%-50%.

According to the using method of any one above-mentioned university students's equation motorcycle race suspension carbon fiber pipe bonding jig, institute The using method stated comprises the following steps: preheat, clamping, heating gluing, evacuation；

In order to ensure carbon fiber pipe 7 and joint 6 bonding after axiality, fit tolerance should be reduced when both coordinate as far as possible, The internal diameter of most preferably described carbon fiber pipe 7 is slightly less than the external diameter of dome platform 62, but such assembling can be more difficult, therefore Before assembly, need carbon fiber pipe 7 is heated in advance the first preheating temperature t1, thermal expansion occur after making carbon fiber pipe 7 be heated, So the internal diameter of carbon fiber pipe 7 is slightly larger than the external diameter of dome platform 62, can assemble easily.Therefore described preheating steps For: carbon fiber pipe 7 is heated to the first preheating temperature t1, makes the internal diameter external diameter slightly larger than dome platform 62 of carbon fiber pipe 7；Then Two joints 6 are inserted the two ends of carbon fiber pipe 7, and glue is poured in the first permeability hole 63 of end round platform 61 bottom surface, cover Blanking cover 65.

Described clamping step is: carbon fiber pipe 7 is placed on the interstitial site between adjacent two adjusting screw rods 14 Front, and compress metallic plates 8 metal joint 6 with carbon fiber metal pipe 7 two ends respectively with two and contact；Then regulation spiral shell is adjusted Nail 83, makes check lock lever 9 seesaw, and allows two sides of V-arrangement draw-in groove of its upper setting connect with the sidewall of the side of carbon fiber pipe 7 Touch, and make sidewall and the sidewall contact of adjacent two adjusting screw rods 14 of carbon fiber pipe 7 opposite side, make the week of carbon fiber pipe 7 Locked to direction；Then use locking nut 12, lock washer 11 to compress metallic plate 8 to two and apply the pretension that direction is relative Power, the axial direction making carbon fiber pipe 6 is locked；Then by clamping, the bracket cage 13 of carbon fiber pipe 6 slowly snaps in casing 2 Chute 16 in.

Described heating glue application step is: cover tightly case lid 1, connects the power supply of distribution box 17, makes electrostatic precipitation plate 15 start It is energized and adsorbs seal box internal dust；Use electrical heating wire 70 that joint 6 is heated to the second preheating temperature t2 after certain time, Melt sealing film 67, make glue pass through the second permeability hole 64 and flow in the gap between carbon fiber pipe 7 and joint 6；Owing to setting Having put first sealing gasket the 69, second sealing gasket 66, glue may not flow in ventilative through hole 68, also will not flow to outside end round platform 61 On side, effectively raise bonding quality.

Described vacuum step is: opens vacuum pump 5, is slowly extracted out by the air within seal box, forms vacuum ring Border；After the pressure in seal box reaches certain value, pressurize a period of time carries out vacuum solidification.

In order to accelerate the efficiency of technique for sticking, more preferable embodiment is: in described preheating steps, is added by joint 6 Heat is to the 3rd preheating temperature t3.So can save the heat time heating time of heating glue application step center tap 6.The closeest in order to ensure Sealing film 67 melts in heating glue application step, in described preheating steps, and the first preheating temperature t1, the 3rd preheating temperature t3 Melting temperature less than sealing film 67.

Claims (6)

1. university students's equation motorcycle race suspension carbon fiber pipe bonding jig, including seal box, case lid (1) peace of seal box Being contained in casing (2) top, arrange sealing strip (18) between case lid (1) and casing (2), the through hole that casing (2) side is arranged passes through Vacuum adapter is connected with the one end of vacuum tube (3), and the other end of vacuum tube (3) is connected with vacuum pump (5), described vacuum tube (3) On be additionally provided with Pressure gauge (4)；

It is characterized in that: arrange detent mechanism in described casing (2), described detent mechanism includes bracket cage (13), bracket cage (13) adjusting screw rod (14) that several are parallel to each other, that vertically place is set in, between two adjacent adjusting screw rods (14) Interstitial site front arranges the check lock lever (9) that can the most front and back regulate, and check lock lever (9) is upper to be arranged towards two adjacent regulations The V-arrangement draw-in groove of position between screw rod (14), this V-arrangement draw-in groove and two adjacent adjusting screw rods (14) constitute and determine carbon fiber pipe (7) Position；The upper/lower terminal of described carbon fiber pipe (7) is connected with a metal joint (6) respectively, two metal joints (6) respectively by Can vertically up-down adjustment, horizontal positioned compression metallic plate (8) fix.

A kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig the most according to claim 1, its feature exists Be each passed through in: the two ends up and down of described check lock lever (9) two compress metallic plate (8) upper that arrange, vertically offer Strip regulation through hole (81), the plane at the length direction place of regulation through hole (81) is hung down with the plane at bracket cage (13) place Directly；The locking through hole (82) of level, locking through hole (82) and regulation through hole (81) are set on the sidewall of described compression metallic plate (8) Connection, arranges regulation screw (83) in described locking through hole (82), regulation screw (83) contacts with check lock lever (9)；Regulation spiral shell Bar (14) vertically arranges positioning through hole (84) in compression metallic plate (8), the upper sheathed lock of described adjusting screw rod (14) Jack panel (12), lock washer (11), the end face of lock washer (11) and the end contact compressing metallic plate (8), make two pressures Tight metallic plate (8) produces the thrust that direction is relative；Described metal joint (6) and the electrical heating wire (70) of setting in seal box Connect.

A kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig the most according to claim 1, its feature exists In: described metal joint (6) includes end round platform (61) and dome platform (62), and the diameter of described end round platform (61) is more than dome The diameter of platform (62), the bottom at round platform of the described end (61) arranges blanking cover (65), the upper surface at round platform of the described end (61), dome platform (62) lateral surface position arranges the first sealing gasket (69), and the upper end of described dome platform (62) arranges the second sealing gasket (66), carbon The medial surface of fiber pipe (7) contacts with the lateral surface of dome platform (62), the end face of carbon fiber pipe (7) and the first sealing gasket (69) Upper surface contacts；The internal diameter of described carbon fiber pipe (7) is slightly less than the external diameter of dome platform (62).

A kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig the most according to claim 3, its feature exists In: the bottom of described end round platform (61) in axial direction arranges multiple the first permeability hole (63) circumferentially, and described is convex The lateral wall of round platform (62) radially arranges multiple second permeability hole (64), and described the first permeability hole (63) oozes with second Open-work (64) communicates；On the lateral surface of described dome platform (62), outside the second permeability hole (64), sealing film (67) is set.

A kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig the most according to claim 3, its feature exists In: described metal joint (6) arranges ventilative through hole (68) along its axis direction, and the inwall of ventilative through hole (68) arranges interior spiral shell Stricture of vagina.

A kind of university students's equation motorcycle race suspension carbon fiber pipe bonding jig the most according to claim 1, its feature exists In: arranging electrostatic precipitation plate (15) on the medial wall of described casing (2), electrostatic precipitation plate (15) is arranged with casing (2) outside Distribution box (17) connects；Chute (16), the shape of chute (16) and torr are vertically set on the medial surface of described casing (2) The shape of frame-saw (13) adapts.