CN204053886U - Press-fit universal joint fixture - Google Patents
Press-fit universal joint fixture Download PDFInfo
- Publication number
- CN204053886U CN204053886U CN201420540427.6U CN201420540427U CN204053886U CN 204053886 U CN204053886 U CN 204053886U CN 201420540427 U CN201420540427 U CN 201420540427U CN 204053886 U CN204053886 U CN 204053886U
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- joint
- pressure head
- cannelure
- pin
- press
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Abstract
The utility model discloses one and press-fit universal joint fixture, comprise location-plate and pressure head, location-plate is interval with V-block and locating bar, pressing machine piston rod is connected with joint by pin and split pin, the top diameter of pressure head is less than its base diameter, the part that pressure head top diameter is less forms mounting rod, and mounting rod inserts in the endoporus of joint from the bottom to top; Mounting rod is provided with cannelure, and joint is provided with clamping location structure in described cannelure position; Clamping location structure comprises the blocked hole being arranged radially in joint, blocked hole its radially outer end is bolted with trip bolt, the inner of trip bolt has been installed with stage clip, the inner of stage clip is pushed up to be pressed with and is compressed pin, and the interior end section compressing pin is the arc suitable with described cannelure and is pressed in this cannelure.Pressure head is easy to loading and unloading, novel structure.This time improve, reduce the labour intensity of workman, improve production efficiency, improve the productivity effect of company.
Description
Technical field
The utility model relates to motor vehicle fittings manufacturing technology field, particularly relates to one and press-fits universal joint fixture.
Background technology
Press-fit universal joint be driving-shaft assembly assembling in one important procedure, the power transmission shaft of different size needs to assemble with the universal joint of different size.Because universal joint kind is many, often press-fiting a kind of universal joint needs to change different pressure heads.Former press-fit universal joint pressure head fixture adopt screw-fixing-type, change pressure head difficult especially, make workman be unwilling in assembling process change pressure head.So operationally, just there will be and press-fit universal joint pressure head and the unmatched phenomenon of universal joint size, press-fit large universal joint with little pressure head and easily cause Joint damage.
Universal joint is a strength member on truck drive shaft, as shown in Figure 1, it mainly comprises cross axle 21 and needle bearing 22 two parts, its Main Function transmits rotating torques between the axle on different axis, it is widely used in the propeller shaft couplings flange york of all kinds of automobile and slip shaft yoke, between flange york and universal-joint fork, needle bearing on usual in use universal-joint cross trunnion does not rotate, but do the motion of rotary oscillation, its load is the mechanical periodicity of alternation.This just proposes very high request to the press-loading process of cross axle.Cross axle is connected with workpiece (as yoke, flange yoke), and be arranged with protecting pipe outside workpiece, workpiece is also provided with earhole.But existingly press-fit universal joint fixture and do not utilize workpiece and sleeve pipe to carry out positioning cross axle, be difficult to ensure workpiece level direction point-blank, so just easily reduce crudy.
Before improving, pressure head adopts holding screw to be fixed on joint, and joint is connected on pressing machine piston rod, and start pressing machine during work, needle bearing, is press fit on cross axle to pressing down by laced belt dynamic head by pressing machine piston rod.
Holding screw is needed to take off during this existing clamp-replacing pressure head.Because this loaded down with trivial details replacing pressure head mode makes labour intensity comparatively large, production efficiency is lower.When therefore changing different products, workman is unwilling to change pressure head, press-fits large universal joint, easily causes Joint damage, cause very large loss to company with little pressure head.
Utility model content
The purpose of this utility model is to solve problems of the prior art, provide one to be convenient to change pressure head, when guaranteeing to press-fit workpiece level direction point-blank, increase work efficiency, ensure product quality press-fit universal joint fixture.
For achieving the above object, of the present utility modelly press-fit universal joint fixture, comprise location-plate and pressure head, location-plate is interval with V-block and the locating bar suitable with the earhole of workpiece, V-block is provided with the V-type groove of the protecting pipe for supporting workpiece;
Described locating bar is positioned at immediately below pressing machine piston rod, pressing machine piston rod is connected with joint by pin and split pin, the top diameter of described pressure head is less than its base diameter, the part that pressure head top diameter is less forms mounting rod, be provided with the endoporus suitable with mounting rod bottom joint, mounting rod inserts in the endoporus of joint from the bottom to top; Mounting rod is provided with cannelure, and the cross section of this cannelure is curved; Joint is provided with clamping location structure in described cannelure position;
Clamping location structure comprises and being arranged radially on joint and the blocked hole be connected with described coupler bore, blocked hole its radially outer end is bolted with trip bolt, the inner of trip bolt has been installed with stage clip, the inner of stage clip is pushed up to be pressed with and is compressed pin, and the interior end section compressing pin is the arc suitable with described cannelure and is pressed in this cannelure.
Described clamping location structure is evenly provided with four along the circumference of joint.
The utility model has following advantage:
for deficiency of the prior art, we devise and a kind ofly novel press-fit universal joint fixture, and this fixture pressure head adopts and compresses pin and be fixed on joint by spring and screw, like this due to the elastic reaction of spring, make pressure head easy to loading and unloading, workman is easy to change pressure head.
The utility model discloses and a kind of novelly press-fit universal joint fixture, replace originally press-fiting universal joint clamp mechanism.New clamp mechanism pressure head is easy to loading and unloading, novel structure.This time improve, reduce the labour intensity of workman, improve production efficiency, improve the productivity effect of company.
Specifically, novelly press-fit universal joint fixture compared with original fixture, its advantage is:
1. pressing clamp is easy to loading and unloading, and pressure head adopts to compress to sell and is fixed on joint by spring, like this due to the elastic reaction of spring, make pressure head easy to loading and unloading, when press-fiting, workman Plug Action need only can change pressure head easily, reduces the labour intensity of workman, improves production efficiency.
2. press-fit in operation, when changing product, workman can quick-replaceable pressure head in time, and Joint damage phenomenon reduces greatly, reduces three guarantees claim, improves the economic benefit of company.
3. use V-block to support the protecting pipe of workpiece, use the earhole of locating bar positioning workpieces, location compared with the past is more accurate, and when can guarantee to press-fit, workpiece level direction point-blank.
Accompanying drawing explanation
Fig. 1 is the structural representation of universal joint;
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
In Fig. 2, label 9 is depicted as universal joint to be processed, and label 18 is depicted as the workpiece (as yoke, flange yoke etc.) be connected with universal joint to be processed.
As shown in Figure 2, of the present utility modelly press-fit universal joint fixture and comprise location-plate 12 and pressure head 8, location-plate 12 is interval with V-block 14 and the locating bar 11 suitable with the earhole of workpiece, V-block 14 is provided with the V-type groove of the protecting pipe 10 for supporting workpiece; V-type groove is this area routine techniques, and figure does not show.V-block 14 is linked together by soket head cap screw 15 and location-plate 12.
Described locating bar 11 is positioned at immediately below pressing machine piston rod 1, pressing machine piston rod 1 is connected with joint 4 by pin 3 and split pin 2, the top diameter of described pressure head 8 is less than its base diameter, the part that pressure head 8 top diameter is less forms mounting rod 19, be provided with the endoporus suitable with mounting rod 19 bottom joint 4, mounting rod 19 inserts in the endoporus of joint 4 from the bottom to top; Mounting rod 19 is provided with cannelure 17, and the cross section of this cannelure 17 is curved, preferred semicircular in shape; Joint 4 is provided with clamping location structure in described cannelure 17 position.
Clamping location structure comprises and being arranged radially on joint 4 and the blocked hole 16 be connected with the endoporus bottom described joint 4, blocked hole 16 its radially outer end is bolted with trip bolt 7, the inner of trip bolt 7 has been installed with stage clip 6, the top, the inner of stage clip 6 is pressed with and compresses pin 5, and the interior end section compressing pin 5 is the arc suitable with described cannelure 17 and is pushed down in this cannelure 17 in the elastic force effect of stage clip 6.Compress the preferred semicircular in shape of interior end section of pin 5, the inner namely compressing pin 5 is hemispherical.
Described clamping location structure is evenly provided with four along the circumference of joint 4.
During use, location-plate 12 is placed on pressing machine workbench 13.Location-plate 12 is placed on pressing machine workbench, the earhole of workpiece is enclosed within locating bar 11, realize the accurate location of workpiece earhole and locating bar 11, the protecting pipe 10 of workpiece is put in the V-type groove of V-block 14, guarantees workpiece level direction point-blank.The center of universal joint and locating bar 11 and pressure head 8 vertical direction are point-blank.Start the foot valve of pressing machine, pressure head 8 makes universal joint needle bearing be press fit into smoothly on cross axle under the effect of pressing machine pressure.The effect of the cannelure 17 curved due to cross section and stage clip 6 etc., when changing product, pressure head 8 only need be pulled out by we in joint 4, and do not need to twist screw, it is more convenient that such workman changes pressure head 8 again.
Novelly press-fit the drawback that universal joint fixture overcomes original fixture, under the prerequisite ensureing element precision, pressure head 8 is easy to loading and unloading, time saving and energy saving, reduces labour intensity, adds the enthusiasm for production of workman, improves production efficiency.
Research and development illustrate: in order to solve the problems of the prior art, and we devise and a kind of novelly press-fit universal joint fixture, it can reduce workman labour intensity, enhance productivity, again can Improving The Quality of Products, this fixture is easy to use, accurate positioning.
For the feature will improving fixture, following designing points is proposed:
1. utilize the original hydraulic means of equipment to carry out corresponding Curve guide impeller;
2., in specific design, application hommization, modularized design thinking, take into full account the versatility of fixture, interchangeability, comfortableness, only need quick-replaceable pressure head 8 just can press-fit the universal joint of different cultivars.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. press-fit universal joint fixture, comprise location-plate and pressure head, it is characterized in that: location-plate is interval with V-block and the locating bar suitable with the earhole of workpiece, V-block is provided with the V-type groove of the protecting pipe for supporting workpiece;
Described locating bar is positioned at immediately below pressing machine piston rod, pressing machine piston rod is connected with joint by pin and split pin, the top diameter of described pressure head is less than its base diameter, the part that pressure head top diameter is less forms mounting rod, be provided with the endoporus suitable with mounting rod bottom joint, mounting rod inserts in the endoporus of joint from the bottom to top; Mounting rod is provided with cannelure, and the cross section of this cannelure is curved; Joint is provided with clamping location structure in described cannelure position;
Clamping location structure comprises and being arranged radially on joint and the blocked hole be connected with described coupler bore, blocked hole its radially outer end is bolted with trip bolt, the inner of trip bolt has been installed with stage clip, the inner of stage clip is pushed up to be pressed with and is compressed pin, and the interior end section compressing pin is the arc suitable with described cannelure and is pressed in this cannelure.
2. according to claim 1ly press-fit universal joint fixture, it is characterized in that: described clamping location structure is evenly provided with four along the circumference of joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540427.6U CN204053886U (en) | 2014-09-19 | 2014-09-19 | Press-fit universal joint fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540427.6U CN204053886U (en) | 2014-09-19 | 2014-09-19 | Press-fit universal joint fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053886U true CN204053886U (en) | 2014-12-31 |
Family
ID=52195470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420540427.6U Expired - Fee Related CN204053886U (en) | 2014-09-19 | 2014-09-19 | Press-fit universal joint fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204053886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900961A (en) * | 2017-10-16 | 2018-04-13 | 浙江美登特种薄膜有限公司 | A kind of constant force installing mechanism of bulb sliding sleeve |
| CN110142603A (en) * | 2019-05-28 | 2019-08-20 | 江铃汽车股份有限公司 | A kind of universal joint assembly equipment |
-
2014
- 2014-09-19 CN CN201420540427.6U patent/CN204053886U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900961A (en) * | 2017-10-16 | 2018-04-13 | 浙江美登特种薄膜有限公司 | A kind of constant force installing mechanism of bulb sliding sleeve |
| CN110142603A (en) * | 2019-05-28 | 2019-08-20 | 江铃汽车股份有限公司 | A kind of universal joint assembly equipment |
| CN110142603B (en) * | 2019-05-28 | 2024-03-26 | 江铃汽车股份有限公司 | Universal joint assembly equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20210919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |