Flaring machine for slender rubber sheath
Technical field
The present invention relates to a kind of flaring machine for slender rubber sheath.
Background technology
In the production of wire harness, for the ease of threading, need to use pipe-expanding machine that rubber sheath is expanded and open certain size, afterwards, lead is penetrated in the rubber sheath, finish the threading task.In the existing pipe-expanding machine, the enlarging pawl is that an end is connected with pipe-expanding machine, and the cantilever beam structures that the other end is unsettled, this structure are applicable to the enlarging operation of short rubber sheath.When elongated rubber sheath enlarging, the rigidity of enlarging pawl can not meet the demands, and for this reason, needs a kind of pipe-expanding machine that is applicable to slender rubber sheath of design.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, and a kind of enlarging operation that is applicable to slender rubber sheath is provided, and simple in structure, cost hangs down pipe-expanding machine.
The present invention is achieved through the following technical solutions:
A kind of flaring machine for slender rubber sheath, it is characterized in that, comprise workbench, mobile dop, fixed chuck, workbench is provided with mobile slideway, described mobile dop comprises mobile dop bracing frame, mobile dop bracing frame is provided with by first connecting rod, second connecting rod, third connecting rod, four jointed gear units that the 4th connecting rod is formed and the guide holder that has the arc track gathering sill, be provided with the first fixing enlarging pawl installing hole in second connecting rod inboard, mobile terminal, be provided with the mobile terminal swing seat that is connected with mobile dop bracing frame by bearing pin in second connecting rod lower end, mobile terminal, described mobile terminal swing seat is provided with the second fixing enlarging pawl installing hole, mobile terminal swing seat is provided with the swing hole, described swing is provided with spacer pin in the hole, be provided with the mobile terminal holder of fixedlying connected in swing seat bottom, mobile terminal with mobile dop bracing frame, be provided with stage clip between mobile terminal holder and the mobile terminal swing seat, mobile terminal the 5th connecting rod one end is fixedlyed connected with mobile terminal the 4th connecting rod, the other end is unsettled, mobile terminal the 5th connecting rod is provided with the 3rd enlarging pawl via hole, mobile terminal the 4th small end is provided with guide roller, described guide roller places in the arc track gathering sill of guide holder, is slidingly connected between mobile dop bracing frame and the mobile slideway;
Described fixed chuck comprises the fixed chuck bracing frame that is connected with stationary table, the fixed chuck bracing frame be provided with mobile dop on identical by first connecting rod, second connecting rod, third connecting rod, four jointed gear units that the 4th connecting rod is formed and the guide holder that has the arc track gathering sill, on the stiff end second connecting rod, be provided with the guide seat that has spigot surface with first position that fixedly enlarging pawl installing hole is relative, on guide seat, be provided with the first fixing enlarging pawl supported hole with first position that fixedly enlarging pawl installing hole is relative, be provided with the stiff end swing seat that is connected with the fixed chuck bracing frame by bearing pin in stiff end second connecting rod lower end, described stiff end swing seat go up and guide seat on the corresponding position of spigot surface be provided with the second fixing enlarging pawl supported hole, stiff end swing seat is provided with the swing hole, described swing is provided with spacer pin in the hole, be provided with the stiff end holder of fixedlying connected in stiff end swing seat bottom with the fixed chuck bracing frame, be provided with stage clip between stiff end holder and the stiff end swing seat, stiff end the 5th connecting rod one end is fixedlyed connected with stiff end the 4th connecting rod, the other end is unsettled, stiff end the 5th connecting rod is provided with the 3rd enlarging pawl via hole, stiff end the 4th small end is provided with guide roller, and described guide roller places in the arc track gathering sill of guide holder;
The lower end and the feed rod of mobile terminal first connecting rod are slidingly connected, and the stiff end first connecting rod is fixedlyed connected with described feed rod, and described feed rod is connected with the enlarging driving mechanism, and workbench is provided with mobile dop bracing frame locator.
Described enlarging driving mechanism is that two-pass drives cylinder.
Described locator comprises locating detent, described locating detent is fixedlyed connected with shift lever axis, described shift lever axis and workbench are rotatably connected, be provided with position block between described shift lever axis and the workbench, on workbench, be provided with the locating detent opening, on mobile dop bracing frame, be provided with locating slot with the corresponding position of locating detent with the corresponding position of locating detent.
On mobile dop bracing frame and fixed chuck bracing frame, be respectively arranged with safety guard.
Workbench is provided with rod shot-hole.
The present invention has following technique effect:
Pipe-expanding machine of the present invention adopts mobile dop and the design of fixed chuck structure combining, makes the enlarging pawl be supported by fixed chuck and mobile dop, and the rigidity of enlarging pawl satisfies production requirement, is specially adapted to slender rubber sheath enlarging operation.And pipe-expanding machine of the present invention is simple in structure, and cost is low.
Description of drawings
Fig. 1 is the stereogram of flaring machine for slender rubber sheath of the present invention;
Fig. 2 is the cutaway view of flaring machine for slender rubber sheath of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the front view of solid sufficient dop;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the right view of Fig. 4;
Fig. 7 is the B-B cutaway view of Fig. 4;
Fig. 8 is the cutaway view of mobile dop.
The specific embodiment
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
The schematic diagram of flaring machine for slender rubber sheath of the present invention as shown in Figure 1 to Figure 3, the schematic diagram of fixed chuck such as Fig. 4 are to shown in Figure 7, the schematic diagram of mobile dop as shown in Figure 8.Flaring machine for slender rubber sheath of the present invention comprises workbench 18, mobile dop 21, fixed chuck 20, is fixed with mobile slideway 1 on workbench 18.
Described mobile dop comprises mobile dop bracing frame 7, mobile dop bracing frame 7 is provided with by first connecting rod 24, second connecting rod 49, third connecting rod 48, four jointed gear units that the 4th connecting rod 6 is formed and the guide holder 47 that has arc track gathering sill 46, be provided with the first fixing enlarging pawl installing hole 54 in mobile terminal second connecting rod 49 inboards, be provided with the mobile terminal swing seat 3 that is connected with mobile dop bracing frame by bearing pin 50 in second connecting rod lower end, mobile terminal, mobile terminal swing seat 3 is provided with the second fixing enlarging pawl installing hole 53, mobile terminal swing seat is provided with swing hole 51, and swing is provided with spacer pin 44 in the hole.Be provided with the mobile terminal holder 2 of fixedlying connected in swing seat 3 bottoms, mobile terminal with mobile dop bracing frame, be provided with stage clip 52 between mobile terminal holder and the mobile terminal swing seat, mobile terminal the 5th connecting rod 5 one ends are fixedlyed connected with mobile terminal the 4th connecting rod 6, the other end is unsettled, mobile terminal the 5th connecting rod is provided with the 3rd enlarging pawl via hole 4, the 4th connecting rod 6 upper ends, mobile terminal are provided with guide roller 45, guide roller 45 places in the arc track gathering sill 46 of guide holder 47, is slidingly connected between mobile dop bracing frame 7 and the mobile slideway 1.
Described fixed chuck comprises the fixed chuck bracing frame 12 of fixedlying connected with workbench 18 by holder 43, fixed chuck bracing frame 12 be provided with mobile dop on identical by first connecting rod 25, second connecting rod 33, third connecting rod 36, four jointed gear units that the 4th connecting rod 14 is formed and the guide holder 37 that has arc track gathering sill 38, on stiff end second connecting rod 33, be provided with the guide seat 9 that has spigot surface 31 with first position that fixedly enlarging pawl installing hole 54 is relative, on guide seat 9, be provided with the first fixing enlarging pawl supported hole 32 with first position that fixedly enlarging pawl installing hole 54 is relative, be provided with the stiff end swing seat 16 that is connected with the fixed chuck bracing frame by bearing pin 41 in stiff end second connecting rod lower end, on the stiff end swing seat 16 with guide seat on the corresponding position of spigot surface be provided with the second fixing enlarging pawl supported hole 34, stiff end swing seat is provided with swing hole 42, swing is provided with spacer pin 40 in the hole, be provided with the stiff end holder 17 of fixedlying connected in stiff end swing seat bottom with the fixed chuck bracing frame, be provided with stage clip 30 between stiff end holder 17 and the stiff end swing seat 16, stiff end the 5th connecting rod 15 1 ends are fixedlyed connected with stiff end the 4th connecting rod 14, the other end is unsettled, mobile terminal the 5th connecting rod 15 is provided with the 3rd enlarging pawl via hole 35, stiff end the 4th connecting rod 14 upper ends are provided with guide roller 39, and guide roller 39 places in the arc track gathering sill 38 of guide holder 37.
The lower end of mobile terminal first connecting rod 24 and feed rod 22 are slidingly connected, and stiff end first connecting rod 25 is fixedlyed connected with described feed rod 22, and feed rod 22 is connected with enlarging driving mechanism 26.Described enlarging driving mechanism can be multiple modes such as electricity driving, manual drives, hydraulic-driven, cylinder driving, and the enlarging driving mechanism in the present embodiment is that two-pass drives cylinder.Workbench is provided with mobile dop bracing frame locator 23.After mobile dop bracing frame moved to the precalculated position, locator can lock mobile dop bracing frame, produced slip to prevent mobile dop bracing frame when enlarging is operated.Locator can adopt the arbitrary structures design, satisfies positioning requirements and gets final product.In the present embodiment, described locator comprises locating detent 28, locating detent 28 is fixedlyed connected with shift lever axis 29, shift lever axis 29 is rotatably connected with workbench 18, be provided with position block 27 between shift lever axis 29 and the workbench 18, on workbench, be provided with the locating detent opening, on mobile dop bracing frame, be provided with locating slot with the corresponding position of locating detent with the corresponding position of locating detent.The rotating lever axle, locating detent and shift lever axis together rotate, the locating detent opening that locating detent passes on the workbench is connected with locating slot on the mobile dop bracing frame, and the position block locking by being provided with between shift lever axis and the workbench, and mobile dop bracing frame is blocked.
For production safety, mobile dop bracing frame is provided with safety guard 8, and the fixed chuck bracing frame is provided with safety guard 13.
For easy to use, workbench 18 is provided with rod shot-hole, and the 3rd enlarging pawl 19 inserts in the rod shot-hole, conveniently to take.
During use, mobile dop is positioned at the left side of workbench, with first fixedly enlarging pawl 10 be installed in first fixedly in the enlarging pawl installing hole of mobile dop part, with second fixedly enlarging pawl 11 be installed in second fixedly in the enlarging pawl installing hole.In order to be applicable to the enlarging of slender rubber sheath, second fixedly the enlarging pawl at mobile dop one end one bending is arranged, ensure second fixedly the enlarging pawl part except that dogleg section is installed afterwards fixedly the enlarging pawl is close with first, be convenient to wear rubber sheath.After two fixedly the enlarging pawl installs, rubber sheath is penetrated two fixedly in the enlarging pawl, and manually mobile dop is moved to the precalculated position from left to right, at this moment, first fixedly the enlarging pawl insert first on the fixed chuck fixedly in the enlarging pawl supported hole, second fixedly the enlarging pawl along the insertion of the spigot surface on the priming seat second fixedly in the enlarging pawl supported hole, simultaneously, mobile terminal swing seat is depressed, and two fixedly produce certain distance between the enlarging pawl.Use locator that mobile dop is locked.Start the two-pass cylinder, thereby cylinder drives feed rod and drives mobile terminal first connecting rod and stiff end first connecting rod, drive the quadric chain on mobile dop and the fixed chuck, the roller of mobile dop and fixed chuck the 4th small end moves in arc track gathering sill separately respectively.Cylinder is when primary importance, and rubber sheath is opened certain size by expansion, manually the 3rd enlarging pawl is passed in the 3rd enlarging pawl via hole on the 5th connecting rod of mobile dop and fixed chuck.Then, cylinder moves to maximum position, and the rubber sheath enlarging to maximum, is penetrated lead.Then, cylinder is got back to primary importance, manually extracts the 3rd enlarging pawl out, and afterwards, cylinder returns initial position.Swing stop makes mobile dop be in free state, manually mobile dop is moved to initial position, unloads rubber sheath, finishes a working cycles.
Although relate to a kind of flaring machine for slender rubber sheath and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.