CN203471431U - Pneumatic fixture for boring middle hole of splined hub - Google Patents
Pneumatic fixture for boring middle hole of splined hub Download PDFInfo
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- CN203471431U CN203471431U CN201320567096.0U CN201320567096U CN203471431U CN 203471431 U CN203471431 U CN 203471431U CN 201320567096 U CN201320567096 U CN 201320567096U CN 203471431 U CN203471431 U CN 203471431U
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- splined hub
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Abstract
The utility model discloses a pneumatic fixture for boring a middle hole of a splined hub. The pneumatic fixture for boring the middle hole of the splined hub comprises a base, wherein the base comprises a horizontal board and a vertical board; the horizontal board is fixedly connected with an air cylinder, the top of the vertical board is provided with two sliding bushes, and each sliding bush is internally provided with a guide rod in a sliding mode; the two guide rods are the same in structure, and each guide rod comprises a main body part in the middle and screw parts at the left end and the right end; a rotary pressing board is connected between the screw parts on the right sides of the two guide rods, and a clamping screw is in screwed connection with the middle of the rotary pressing board; an air cylinder connection board is connected between the screw parts on the left sides of the two guide rods, and a pull rod is in screwed connection with the middle of the air cylinder connection board; the pull rod slides to penetrate into a slide, and the right end of the slide is fixedly connected to the vertical board; a vertical through hole is formed in the middle of the slide, and a wedge-shaped sliding block is arranged at the top of a piston rod and penetrates through the vertical through hole; the vertical board is fixedly connected with a V-shaped block. The pneumatic fixture for boring the middle hole of the splined hub overcomes the defects that time and labor are wasted in the prior art, relieves the labor intensity, improves the production efficiency, lowers the manufacturing cost and improves the pass percent of machined products.
Description
Technical field
The utility model relates to auto parts and components processing technique field, is specifically related to a kind of splined hub boring mesopore fixture.
Background technology
Along with the fast development of China's industry and the continuous progress of science and technology, the competition of field of machining is also more and more fierce, enters low margin age at present.This present situation forces mechanical processing industry constantly to innovate and to improve, and abandons highly energy-consuming in the past, high consumptive material, high labour intensity and the inefficient mode of production, and positive searching is energy-saving and cost-reducing, the new method using manpower and material resources sparingly.
Splined hub is a strength member on non-constant-velocity transmission shaft assembly, according to its designing requirement, need to carry out boring processing to its mesopore.Traditional splined hub boring mesopore method is that splined hub positioning and clamping is processed on the scroll chuck above stationary work-table, needs repeatedly manually to tighten, unclamp screw rod during clamping workpiece, and labour intensity is large, and production efficiency is low, becomes the bottleneck operation of restriction production capacity.In a word, existing splined hub boring mesopore fixture need to manually be tightened screw rod and clamp, and working (machining) efficiency is lower, and labor strength is larger.
Utility model content
The purpose of this utility model is to provide a kind of splined hub boring mesopore air-actuated jaw.
For achieving the above object, splined hub boring mesopore air-actuated jaw of the present utility model comprises base, and base comprises level board and riser, and riser is arranged on the middle part of level board, makes base cross section be inverted T shape; The level board in riser left side is fixedly connected with cylinder, and cylinder head is provided with piston rod; Described riser top is respectively equipped with the slide bushing of tubular in the both sides, front and back of cylinder, in two slide bushings, slide and be equipped with cylinder guide respectively; Two guide rod structures are identical, the main part in the middle of including and the screw portion at two ends, left and right, and the diameter of screw portion is less than the diameter of main part; Between the screw portion on two guide rod right sides, be connected with rotary pressure plate, the middle part of rotary pressure plate is bolted with clamping screw, on the screw portion of the described guide rod on rotary pressure plate right side and clamping screw, is equipped with clamp nut; Between the screw portion in two guide rods left sides, be connected with cylinder connecting plate, cylinder connecting plate middle part be bolted with pull bar, on the screw portion of the described guide rod in cylinder connecting plate left side and pull bar, be equipped with clamp nut; Right-hand pull bar of cylinder connecting plate slides and penetrates a hollow cylindrical slide, and the right-hand member of this slide is fixedly connected on the riser of base; The middle part of slide is provided with vertical through holes, and described piston rod part is provided with the wedge block of point upward, and wedge block is upward through the vertical through holes of slide; The right-hand member of described pull bar is the inclined-plane matching with described wedge block and is pressed on wedge block; The top, right side of described base riser is vertically fixedly connected with vee-block, the V-shaped groove that vee-block surrounds setting corresponding to described clamping screw for clamp splined hub to be processed together with clamping screw.
The left end of described clamping screw is provided with pressure head, and the diameter of pressure head is greater than the diameter of clamping screw.
The pull bar diameter on cylinder connecting plate right side is greater than the pull bar diameter in cylinder connecting plate left side, between two parts pull bar, forms step, and the right side of step is crimped on cylinder connecting plate.
On described base level board, in the below of described two guide rods, be respectively equipped with supporting seat, the top slide of supporting seat supports described guide rod.
The right part radial protrusion of described pull bar forms boss, and described boss is arranged in the endoporus of described hollow cylindrical slide, on the pull bar between this boss and described slide left end, is arranged with stage clip.
The utility model changes the clamping manually of original fixture into pneumatic pinch, can improve the quality of products and efficiency, saves processing cost, reduces labour intensity, and workman is freed from heavy manual work.Can arrange two fixtures at a machine tool simultaneously; machining time and non-cutting time are overlapped (when the workpiece to clamping carries out the processing of boring mesopore; staff can be on another fixture of same a machine tool another workpiece of clamping); can realize and not shut down continuous processing; reduce fruitless labour; realize zero and switch, reduce labor intensity.
Splined hub boring mesopore air-actuated jaw of the present utility model has versatility, interchangeability and operability, only needs to change the just splined hub of energy processing multiple types of setting element (vee-block and clamping screw).
In a word, splined hub boring mesopore air-actuated jaw of the present utility model replaces the original manually clamp structure of heaviness, overcome the defect that fixture is wasted time and energy in the past, reduced workman's labour intensity, improved production efficiency, reduce manufacturing cost, promoted the qualification rate of converted products, and can process the splined hub of different model.
Accompanying drawing explanation
Fig. 1 is the structural representation of splined hub boring mesopore air-actuated jaw of the present utility model;
fig. 2 is the top view of Fig. 1;
fig. 3 is the enlarged drawing at A place in Fig. 1.
The specific embodiment
As shown in Figure 1 to Figure 3, splined hub boring mesopore air-actuated jaw of the present utility model comprises base, and base comprises level board 1 and riser 2, and riser 2 is wholely set at the middle part of level board 1, makes base cross section be the inverted T shape shown in Fig. 1.
The level board 1 in riser 2 left sides is fixedly connected with cylinder 4 by cylinder straight pin 3, and cylinder 4 tops are provided with piston rod 41; Described riser 2 tops the are respectively equipped with tubular interior slip respectively of slide bushing 5, two slide bushings 5 in the both sides, front and back of cylinder 4 is equipped with cylinder guide.
As shown in Figure 1 to Figure 3, two guide rod structures are identical, the main part 6 in the middle of including and the screw portion 7 at two ends, left and right, and the diameter of screw portion 7 is less than the diameter of main part 6.
As shown in Figure 1 to Figure 3, between the screw portion 7 on two guide rod right sides, be connected with rotary pressure plate 8, the middle part of rotary pressure plate 8 is bolted with clamping screw 10, on the screw portion 7 of the described guide rod on rotary pressure plate 8 right sides and clamping screw 10, is equipped with clamp nut 11.
As shown in Figure 1 to Figure 3, between the screw portion 7 in two guide rods left sides, be connected with cylinder connecting plate 12, cylinder connecting plate 12 middle part be bolted with pull bar 13, on the screw portion 7 of the described guide rod in cylinder connecting plate 12 left sides and pull bar 13, be equipped with clamp nut 11.
As shown in Figure 1 to Figure 3, right-hand pull bar 13 of cylinder connecting plate 12 slides and penetrates hollow cylindrical slide 14, and the right-hand member of this slide 14 is fixedly connected on the riser 2 of base; The middle part of slide 14 is provided with vertical through holes 15, vertical through holes 15 be positioned at described cylinder 4 piston rod 41 directly over; Described piston rod 41 tops are provided with the wedge block 16 of point upward, and wedge block 16 is upward through the vertical through holes 15 of slide 14; The right-hand member of described pull bar 13 is the inclined-plane matching with described wedge block 16 and is pressed on wedge block 16.
As shown in Figure 1 to Figure 3, the top, right side of described base riser 2 is vertically fixedly connected with vee-block 19 by soket head cap screw 17 and vee-block 19 straight pins 18, the V-shaped groove 20 that vee-block 19 surrounds setting corresponding to described clamping screw 10 for clamp splined hub to be processed 21 together with clamping screw 10.
The left end of described clamping screw 10 is provided with pressure head 9, and the diameter of pressure head 9 is greater than the diameter of clamping screw 10.The shape of pressure head 9 left surfaces is preferably the arc surface suitable with the surface of splined hub to be processed 21.
As shown in Figure 1 to Figure 3, pull bar 13 diameters on cylinder connecting plate 12 right sides are greater than pull bar 13 diameters in cylinder connecting plate 12 left sides, form step 22 between two parts pull bar 13, and the right side of step 22 is crimped on cylinder connecting plate 12.This structure made cylinder connecting plate 12 and pull bar 13 mutually locate while being both convenient to install, also in the time of can making cylinder 4 piston rods 41 make progress jack-up wedge block 16, pull bar 13 relies on the end face of this step 22 to exert pressure to cylinder connecting plate 12, and the stressed of position is spirally connected between minimizing cylinder connecting plate 12 and pull bar 13.
As shown in Figure 1 to Figure 3, the below in the main part 6 of described two guide rods on described base level board 1 is respectively equipped with supporting seat 23, and the top slide of supporting seat 23 supports the main part 6 of described guide rod.The drive mechanism that the arranging of supporting seat 23 can make in the utility model is more stable, reliable.
As shown in Figure 1 to Figure 3, the right part radial protrusion of described pull bar 13 forms boss 24, and described boss 24 is arranged in the endoporus 25 of described hollow cylindrical slide 14, on the pull bar 13 between this boss 24 and described slide 14 left ends, is arranged with stage clip 26.
When cylinder 4 piston rods 41 are when upwards jack-up, wedge block 16 press pull bar 13 left, stage clip 26 is compressed; When wedge block 16 with cylinder 4 piston rods 41 move downward, while pressing pull bar 13 no longer left, the elastic force of described stage clip 26 acts on pull bar 13 by described boss 24, and pull bar 13 is moved right, thereby drives transmission mechanism to automatically reset.
Wherein, in the utility model, clamp nut 11 all adopts hex nut everywhere.
During work, splined hub 21 is placed in the V-shaped groove 20 on positioning V-shaped piece, regulates the clamp nut 11 on clamping screw 10 and clamping screw 10, the pressure head 9 of clamping screw 10 is contacted with splined hub 21 cylindricals.Then start cylinder 4, piston rod 41 is jack-up wedge block 16 upwards, wedge block 16 drives pull bar 13 to move to left, pull bar 13 drives guide rod to be moved to the left by cylinder connecting plate 12, guide rod drives by rotary pressure plate 8 and drives clamping screw 10 to left movement, the pressure head 9 of clamping screw 10 is exerted pressure left, make workpiece clamped between pressure head 9 and vee-block 19.After clamping work pieces, just can use boring cutter to carry out boring processing to splined hub 21 mesopores.After completion of processing, unclamp cylinder 4, wedge block 16 moves down, and guide rod moves right by the elastic force of spring, and makes pressure head 9 loosen workpiece by whole transmission mechanism, and the rotary pressure plate 8 that now just can reverse takes out workpiece, and a process-cycle completes.
Compare with existing fixture, the outstanding advantages that splined hub boring mesopore air-actuated jaw of the present utility model has is:
1. clamping mode is pneumatic pinch, and clamping workpiece is rapid, laborsaving, has reduced workman's labour intensity, has improved production efficiency.
2. every lathe is equipped with two sleeve clamps, can make overlap with non-cutting time machining time, can reach and not shut down continuous processing, the time of minimizing equipment wait, the effect of increasing work efficiency.
3. this fixture adopts V-block location, and wedge shape is combined pneumatic pinch from lock slide, and accurate positioning, convenient mounting and clamping have improved the positioning precision of workpiece, have promoted product quality.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, 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 claim scope of the present utility model.
Claims (5)
1. splined hub boring mesopore air-actuated jaw, comprises base, it is characterized in that: base comprises level board and riser, and riser is arranged on the middle part of level board, makes base cross section be inverted T shape;
The level board in riser left side is fixedly connected with cylinder, and cylinder head is provided with piston rod; Described riser top is respectively equipped with the slide bushing of tubular in the both sides, front and back of cylinder, in two slide bushings, slide and be equipped with cylinder guide respectively;
Two guide rod structures are identical, the main part in the middle of including and the screw portion at two ends, left and right, and the diameter of screw portion is less than the diameter of main part;
Between the screw portion on two guide rod right sides, be connected with rotary pressure plate, the middle part of rotary pressure plate is bolted with clamping screw, on the screw portion of the described guide rod on rotary pressure plate right side and clamping screw, is equipped with clamp nut;
Between the screw portion in two guide rods left sides, be connected with cylinder connecting plate, cylinder connecting plate middle part be bolted with pull bar, on the screw portion of the described guide rod in cylinder connecting plate left side and pull bar, be equipped with clamp nut;
Right-hand pull bar of cylinder connecting plate slides and penetrates a hollow cylindrical slide, and the right-hand member of this slide is fixedly connected on the riser of base; The middle part of slide is provided with vertical through holes, and described piston rod part is provided with the wedge block of point upward, and wedge block is upward through the vertical through holes of slide; The right-hand member of described pull bar is the inclined-plane matching with described wedge block and is pressed on wedge block;
The top, right side of described base riser is vertically fixedly connected with vee-block, the V-shaped groove that vee-block surrounds setting corresponding to described clamping screw for clamp splined hub to be processed together with clamping screw.
2. splined hub boring mesopore air-actuated jaw according to claim 1, is characterized in that: the left end of described clamping screw is provided with pressure head, and the diameter of pressure head is greater than the diameter of clamping screw.
3. splined hub boring mesopore air-actuated jaw according to claim 1 and 2, is characterized in that: the pull bar diameter on cylinder connecting plate right side is greater than the pull bar diameter in cylinder connecting plate left side, between two parts pull bar, forms step, and the right side of step is crimped on cylinder connecting plate.
4. splined hub boring mesopore air-actuated jaw according to claim 1 and 2, is characterized in that: on described base level board, in the below of described two guide rods, be respectively equipped with supporting seat, the top slide of supporting seat supports described guide rod.
5. splined hub boring mesopore air-actuated jaw according to claim 1 and 2, it is characterized in that: the right part radial protrusion of described pull bar forms boss, described boss is arranged in the endoporus of described hollow cylindrical slide, on the pull bar between this boss and described slide left end, is arranged with stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567096.0U CN203471431U (en) | 2013-09-13 | 2013-09-13 | Pneumatic fixture for boring middle hole of splined hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567096.0U CN203471431U (en) | 2013-09-13 | 2013-09-13 | Pneumatic fixture for boring middle hole of splined hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203471431U true CN203471431U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567096.0U Expired - Lifetime CN203471431U (en) | 2013-09-13 | 2013-09-13 | Pneumatic fixture for boring middle hole of splined hub |
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| Country | Link |
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| CN (1) | CN203471431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465074A (en) * | 2013-09-13 | 2013-12-25 | 许昌远东传动轴股份有限公司 | Pneumatic clamp for boring central hole of splined hub |
-
2013
- 2013-09-13 CN CN201320567096.0U patent/CN203471431U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465074A (en) * | 2013-09-13 | 2013-12-25 | 许昌远东传动轴股份有限公司 | Pneumatic clamp for boring central hole of splined hub |
| CN103465074B (en) * | 2013-09-13 | 2016-02-03 | 许昌远东传动轴股份有限公司 | Splined hub boring mesopore air-actuated jaw |
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