CN219379772U

CN219379772U - Eccentric shaft processing fixture

Info

Publication number: CN219379772U
Application number: CN202320549810.7U
Authority: CN
Inventors: 金小荣
Original assignee: Shanghai Qijiu Technology Co ltd
Current assignee: Shanghai Qijiu Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-21
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to an eccentric shaft machining fixture which comprises a fixed base, wherein a size adjusting mechanism is arranged in the fixed base, an auxiliary fixing assembly is arranged at the bottom of the fixed base, the size adjusting mechanism comprises a rack movably arranged in the fixed base, a gear is meshed with the front surface of the rack, a rocker is fixedly connected with the inside of the gear, a bearing is fixedly arranged on the right side of the fixed base, the rocker extends to the right side of the fixed base through the bearing, a pull rod is tightly sleeved in the rocker, the pull rod extends to the right side of the rack through the gear, and a positioning block is fixedly arranged on the right side of the pull rod. This eccentric shaft processing frock clamp through setting up size adjustment mechanism, makes the user in the in-process of using, can be according to the needs of using, and simple quick regulation anchor clamps size accomplishes the thing multipurpose, and the use of facilitating the use has increased the efficiency that anchor clamps used.

Description

Eccentric shaft processing fixture

Technical Field

The utility model relates to the technical field of eccentric shaft machining fixtures, in particular to an eccentric shaft machining fixture.

Background

The workpiece with the outer circle parallel to the axis of the outer circle and not coincident is called an eccentric shaft, the eccentric shaft is generally fixed on a motor rotating shaft through an eccentric hole, and the eccentric shaft performs cam motion when the motor is started, so that the eccentric shaft is widely applied to automobiles, engines and pumps.

At present, a fixture is required to be used for fixing when the eccentric shaft is machined, but when the existing fixture is used, the existing fixture cannot be simply and quickly adjusted according to the size of the eccentric shaft, so that the use efficiency of the fixture is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the eccentric shaft machining fixture which has the advantages of simple adjustment and the like and solves the problem that the eccentric shaft cannot be simply and quickly adjusted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the eccentric shaft machining fixture comprises a fixed base, wherein a size adjusting mechanism is arranged in the fixed base, and an auxiliary fixing assembly is arranged at the bottom of the fixed base;

the size adjustment mechanism comprises a rack movably mounted inside a fixed base, gears are meshed on the front side of the rack, rocking bars are fixedly connected to the inner sides of the gears, bearings are fixedly mounted on the right side of the fixed base, the rocking bars extend to the right side of the fixed base through the bearings, pull rods are tightly sleeved on the inner sides of the rocking bars, the pull rods extend to the right side of the rack through the gears, positioning blocks are fixedly mounted on the right sides of the pull rods, sliding blocks are fixedly mounted on the tops of the racks, hinging seats with the number of four are arranged on the outer sides of the sliding blocks, sliding grooves are formed in one side of each hinging seat in a hinging mode, sliding rods are formed in the left side and the right side of each fixing base in a hinging mode, cross fixing seats are fixedly mounted on the left side and the front side of each fixing base in a sliding mode, four telescopic springs are sleeved on the outer sides of each cross fixing seat in a number of each cross fixing seat in a sleeved mode, sliding base and the bottom of each sliding base are fixedly connected with a sliding block, a limiting block is fixedly mounted on the left side and the right side of each sliding block, a sliding clamping plate is fixedly mounted on the front side of each sliding block, and the sliding clamping plate is fixedly mounted on the left side of each sliding block is fixedly mounted on the corresponding sliding block, and the sliding clamping plate is fixedly mounted on the corresponding sliding block.

Further, the auxiliary fixing assembly comprises an equipment connecting block fixedly connected with the bottom of the fixing base, and a turntable is fixedly arranged on the right side of the rocker.

Further, the left side fixed mounting of rack has the fixture block, the inside removal groove of having seted up in unable adjustment base's left side, the fixture block passes through removal groove and unable adjustment base sliding connection.

Further, a positioning hole is formed in the left inner wall of the fixed base, and the pull rod is clamped with the positioning hole through the positioning block.

Further, sliding holes are formed in the first sliding base and the second sliding base, the first sliding base and the second sliding base are sleeved with the cross fixing base through the sliding holes, and one sides of the first sliding base and the second sliding base are fixedly connected with the telescopic spring.

Further, the first clamping plate and the third clamping plate are symmetrically distributed, and the second clamping plate and the fourth clamping plate are symmetrically distributed.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this eccentric shaft processing frock clamp through setting up size adjustment mechanism, makes the user in the in-process of using, can be according to the needs of using, and simple quick regulation anchor clamps size accomplishes the thing multipurpose, and the use of facilitating the use has increased the efficiency that anchor clamps used.

2. This eccentric shaft processing frock clamp through setting up auxiliary fixation subassembly, fixes anchor clamps when easy to assemble, also facilitates the use manual regulation anchor clamps when using.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

fig. 2 is a top view of the splint structure of the present utility model.

In the figure: 1 unable adjustment base, 2 racks, 21 fixture blocks, 3 gears, 4 rockers, 5 bearings, 6 pull rods, 7 positioning blocks, 8 sliding blocks, 81 hinging seats, 82 connecting rods, 9 cross fixing seats, 91 telescopic springs, 92 first sliding seats, 93 second sliding seats, 94 fixed blocks, 10 screws, 11 rubber limiting blocks, 12 equipment connecting blocks, 13 turntables, 101 first clamping plates, 102 second clamping plates, 103 third clamping plates and 104 fourth clamping plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an eccentric shaft machining fixture in this embodiment includes a fixing base 1, a size adjusting mechanism is disposed in the fixing base 1, and an auxiliary fixing component is disposed at the bottom of the fixing base 1.

In this embodiment, size adjustment mechanism includes unable adjustment base 1 inside movable mounting's rack 2, rack 2's left side fixed mounting has fixture block 21, unable adjustment base 1's left side is inside to be seted up the removal groove, fixture block 21 passes through removal groove and unable adjustment base 1 sliding connection, make rack 2 when unable adjustment base 1 inside slip, more stability, rack 2's front meshing has gear 3, gear 3's inside fixedly connected with rocker 4, it rotates to drive gear 3 through rocking rocker 4, reach the purpose that makes rack 2 slide from top to bottom, unable adjustment base 1's right side fixed mounting has bearing 5, rocker 4 extends to unable adjustment base 1's right side through bearing 5, when the bearing 5 makes the user shake the rocker, more laborsaving and convenient.

In this embodiment, pull rod 6 has closely been cup jointed to the inside of rocker 4, pull rod 6 and rocker 4 looks adaptation, and the right side of pull rod 6 extends to the outside of rocker 4, the person of facilitating the use is through pull rod 6 to rocker 4, gear 3 and rack 2 are fixed, pull rod 6 extends to the right side of rack 2 through gear 3, locating piece 7 is fixedly installed on the right side of pull rod 6, the locating hole has been seted up to the left side inner wall of unable adjustment base 1, pull rod 6 passes through locating piece 7 and locating hole joint, can fix rocker 4 like this, gear 3 and rack 2, avoid gear 3 to slide, slider 8 is installed at the top of rack 2, it slides to drive slider 8 through the reciprocates of rack 2.

In this embodiment, the outside of slider 8 is provided with the articulated seat 81 that is four in quantity, the connecting rod 82 has all been articulated to one side of four articulated seats 81, the connecting rod 82 slides when slider 8 slides, the spout has all been seted up to the left and right sides and the front and back both sides of unable adjustment base 1, connecting rod 82 extends to the outside of unable adjustment base 1 through the spout, connecting rod 82 slides in the spout inside, unable adjustment base 1's top fixed mounting has cross fixing base 9, four telescopic springs 91 have been cup jointed in the outside of cross fixing base 9, no. one slide base 92 has been cup jointed in the left and right sides of cross fixing base 9, no. two slide bases 93 have been cup jointed in the front and back both sides of cross fixing base 9, slide hole has all been seted up to the inside of No. one slide base 92 and No. two slide bases 93, one side and telescopic springs 91 fixed connection of No. 92 are cup jointed through slide hole and No. two slide bases 93, the telescopic springs 91 are telescopic to slide base 92 limit, slide base 92 and slide base 93's bottom all are articulated with connecting rod 82.

In this embodiment, fixed block 94 is all fixed to the left and right sides and front and back both sides of cross fixing base 9, one side and fixed block 94 fixed connection of expansion spring 91, slide base 92 top fixed mounting has No. two splint 102 and No. four splint 104, slide base 93 top fixed mounting has No. one splint 101 and No. three splint 103, no. one splint 101 is symmetric distribution with No. three splint 103, no. two splint 102 is symmetric distribution with No. four splint 104, splint 101, splint 102, splint 103 and the inside threaded connection of splint 104 has screw rod 10, adjusting screw rod 10, carry out the secondary to the eccentric shaft that cup joints in the clamp hole, the equal fixed mounting of one side that four screw rods 10 are close has rubber stopper 11, fixed eccentric shaft, protection eccentric shaft.

It should be noted that, through setting up size adjustment mechanism, make the user in the in-process of using, can be according to the needs of using, simple quick regulation anchor clamps size accomplish a thing multipurpose, facilitate the use of user, increased the efficiency that anchor clamps used.

Specifically, when the clamp is required to be used, the gear 3 can be driven to rotate by rotating the rocker 4, the gear 3 can be rotated to drive the rack 2 to move up and down, the up-and-down motion of the rack 2 can bring the slide block 8 fixedly mounted with the rack 2 to slide up and down, the up-and-down motion of the slide block 8 can drive the four connecting rods 82 to move up and down in the sliding grooves formed in the periphery of the fixed base 1, then the four sliding bases 92 hinged with the four connecting rods 82 can slide outside the cross fixed base 9, the sliding bases 92 can drive the telescopic springs 91 to stretch out and draw back when sliding, the clamping plates 101, 102, 103 and 104 can slide through the sliding of the four sliding bases 92, the adjustment of the distance among the clamping plates 101, 102, 103 and 104 is achieved, after the adjustment of the distance is adjusted, the pull rod 6 is pushed, the positioning block 7 fixedly mounted on the left side of the pull rod 6 is clamped with the positioning holes formed in the left side inner wall of the fixed base 1, the fixing of the gear 3 and the eccentric shaft 2 is completed, and finally the eccentric shaft to be placed into the clamping holes of the clamping plates 101, 102, 103 and 104 to be combined into the clamping holes of the clamping plates, and the screw rod 10 to be adjusted.

In this embodiment, supplementary fixed subassembly includes the equipment connecting block 12 with unable adjustment base 1 bottom fixed connection, through equipment connecting block 12 and machine tool fixed mounting, the right side fixed mounting of rocker 4 has carousel 13, rotates carousel 13 and drives rocker 4 rotation, facilitate the use person's use.

It is to be noted that, through setting up supplementary fixed subassembly, fix anchor clamps when easy to assemble, also the manual regulation anchor clamps of convenient to use when using.

Specifically, when the device is required to be installed, the device is fixedly installed with the processing machine tool through the device connecting block 12, and in the using process, a user can drive the rocker 4 to rotate through the rotating turntable 13.

The working principle of the embodiment is as follows:

(1) This eccentric shaft processing frock clamp, when needs use anchor clamps, can drive gear 3 through rotating rocker 4 and rotate, gear 3's rotation can drive rack 2 and reciprocate, rack 2's up-and-down motion can take with rack 2 fixed mounting's slider 8 the slip from top to bottom, slider 8's the up-and-down motion can drive the sliding tray that four connecting rods 82 offered around unable adjustment base 1 reciprocates, then can slide in the outside of cross fixing base 9 with four connecting rods 82 articulated four slide base 92, slide base 92 can drive telescopic spring 91 and stretch out and draw back when sliding, through the slip of four slide base 92, make clamp plate 101 and No. two clamp plates 102 and No. three clamp plates 103 and No. four clamp plates 104 slide, reach the regulation to the distance between clamp plate 101, no. two clamp plates 102, no. three clamp plates 103 and No. four clamp plates 104, after adjusting to the distance of adaptation, push pull rod 6, make the fixed mounting's of pull rod 6 left side 7 carry out the joint with the locating hole that the unable adjustment base 1 left side inner wall offered, accomplish the fixed eccentric shaft location piece 3 and the rack 2 position, finally place clamp plate 101, clamp plate 102 and clamp plate 10 need to be processed inside clamp plate 10.

(2) This eccentric shaft processing frock clamp, when needs installation, through equipment connecting block 12 and machine tool fixed mounting, in the use, the user can use the carousel 13 of turning to drive rocker 4 and rotate.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an eccentric shaft processing frock clamp, includes unable adjustment base (1), its characterized in that: a size adjusting mechanism is arranged in the fixed base (1), and an auxiliary fixing assembly is arranged at the bottom of the fixed base (1);

the size adjusting mechanism comprises a rack (2) movably mounted in a fixed base (1), a gear (3) is meshed with the front surface of the rack (2), a rocker (4) is fixedly connected to the inside of the gear (3), a bearing (5) is fixedly mounted on the right side of the fixed base (1), the rocker (4) extends to the right side of the fixed base (1) through the bearing (5), a pull rod (6) is tightly sleeved in the rocker (4), the pull rod (6) extends to the right side of the rack (2) through the gear (3), a positioning block (7) is fixedly mounted on the right side of the pull rod (6), a sliding block (8) is fixedly mounted at the top of the rack (2), four hinging seats (81) with four hinging seats are arranged on the outer side of the sliding block (8), sliding grooves are formed in the left side and the right side of the fixed base (1) and the front side and the rear side of the fixed base (1), the sliding grooves extend to the outer side of the fixed base (1) through the sliding grooves, a cross-shaped fixing seat (9) is fixedly sleeved on the top of the sliding seat (9), the utility model discloses a cross fixing base, including cross fixing base (9), slide base (93) have been cup jointed to the front and back both sides, slide base (92) and slide base (93) bottom all are articulated with connecting rod (82), the equal fixed block (94) of left and right sides and front and back both sides of cross fixing base (9), one side and fixed block (94) fixed connection of telescopic spring (91), slide base (92) top fixed mounting has clamp plate (102) No. two and clamp plate (104) No. four, slide base (93) top fixed mounting has clamp plate (101) and clamp plate (103) No. three, clamp plate (101), clamp plate (102) No. three clamp plate (103) and clamp plate (104) inside threaded connection has screw rod (10), four equal fixed mounting has rubber stopper (11) in one side that screw rod (10) are close.

2. The eccentric shaft machining fixture of claim 1, wherein: the auxiliary fixing assembly comprises an equipment connecting block (12) fixedly connected with the bottom of the fixing base (1), and a turntable (13) is fixedly arranged on the right side of the rocker (4).

3. The eccentric shaft machining fixture of claim 1, wherein: the left side fixed mounting of rack (2) has fixture block (21), the removal groove has been seted up to the left side inner wall of unable adjustment base (1), fixture block (21) are through removal groove and unable adjustment base (1) sliding connection.

4. The eccentric shaft machining fixture of claim 1, wherein: the left inner wall of the fixed base (1) is provided with a positioning hole, and the pull rod (6) is clamped with the positioning hole through a positioning block (7).

5. The eccentric shaft machining fixture of claim 1, wherein: the sliding seat is characterized in that sliding holes are formed in the first sliding base (92) and the second sliding base (93), the first sliding base (92) and the second sliding base (93) are sleeved with the cross fixing seat (9) through the sliding holes, and one sides of the first sliding base (92) and the second sliding base (93) are fixedly connected with the telescopic spring (91).

6. The eccentric shaft machining fixture of claim 1, wherein: the first clamping plates (101) and the third clamping plates (103) are symmetrically distributed, and the second clamping plates (102) and the fourth clamping plates (104) are symmetrically distributed.