CN216828797U

CN216828797U - Clamping device for crankshaft machining

Info

Publication number: CN216828797U
Application number: CN202220442878.0U
Authority: CN
Inventors: 李徐俊; 谢小军
Original assignee: Sichuan Hongrong Technology Co ltd
Current assignee: Sichuan Hongrong Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-28
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a clamping device for crankshaft machining, which comprises an installation base; a supporting frame is arranged in the center of the top end of the mounting base, a positioning disc is arranged at the top end of the supporting frame, a positioning block is arranged on the reverse side of the top end of the supporting frame, a positioning groove is formed in the position, close to the center of the side face of the supporting frame, of the positioning block, a second connecting rod is arranged at the top end of the positioning block, a fourth spring is arranged on the surface of the second connecting rod, a positioning hole is formed in the surface of the positioning disc, connecting blocks are arranged on two sides of the surface of the positioning disc, a threaded rod is arranged in the center of the surface of each connecting block, and a fixing nut is mounted on the surface of each threaded rod through a threaded structure; the utility model discloses a positioning disk and locating hole structure realize carrying out quick definite hole to bent axle oil blanket diameter of axle surface, consequently avoid personnel to confirm the drilling position with the help of other instruments for personnel drilling time shortens, thereby has improved personnel's work efficiency.

Description

Clamping device for crankshaft machining

Technical Field

The utility model relates to a bent axle processing technology field specifically is a clamping device is used in bent axle processing.

Background

The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, and the crankshaft bears the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force to bear the action of bending and twisting load.

The existing clamping device has the following defects:

1. when the existing clamping device drills the surface of the shaft diameter of the crankshaft oil seal, a worker needs to mark the drilling position on the surface of the shaft diameter of the oil seal by a structural tool, so that the worker needs to spend a long time for marking, and the working efficiency of the worker is reduced.

2. When fixing the crankshaft through the clamping device, the existing clamping device can conveniently drill holes on the drill bit, and personnel need to adjust the crankshaft to a corresponding position, so that the personnel need to adjust the crankshaft for multiple times, and the use effect of the clamping device is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device is used in bent axle processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping device for crankshaft machining comprises an installation base; a supporting frame is arranged in the center of the top end of the mounting base, a positioning disc is arranged at the top end of the supporting frame, and a positioning block is arranged on the reverse side of the top end of the supporting frame;

a positioning groove is formed in the position, close to the center of the side face of the support frame, of the positioning block, a second connecting rod is arranged at the top end of the positioning block, and a fourth spring is arranged on the surface of the second connecting rod;

the surface of positioning disk is equipped with the locating hole, and the surface both sides of positioning disk are equipped with the connecting block, the surperficial central point of connecting block puts and is equipped with the threaded rod, and fixation nut is installed through helicitic texture in the surface of threaded rod.

Preferably, a third mounting groove is formed in the top end of the support frame, which is located at the position corresponding to the top end of the positioning block, and the second connecting rod is located inside the third mounting groove.

Preferably, the bottom center of the support frame is provided with two groups of extrusion blocks, the center of the outer side of each extrusion block is provided with a loop bar, the surface of each loop bar is provided with a sleeve, and the surfaces of the sleeve and the loop bar are provided with a second spring.

Preferably, the top central point of support frame puts and is equipped with two sets of fixed blocks, and the one end of fixed block is located the inside of support frame and is equipped with the head rod, and two sets of fixed block opposite faces are equipped with the rubber pad.

Preferably, the inside of support frame is located the head rod and corresponds the department and is equipped with the second mounting groove, and the inside position of second mounting groove is equipped with the third spring on the head rod surface.

Preferably, the inside of support frame is located the head rod and corresponds the department and is equipped with the screw hole, and threaded push rod is installed through helicitic texture in the screw hole.

Preferably, the top central point of installation base puts and is equipped with and rotates the piece, and the bottom mounting of support frame is on the surface that rotates the piece, and the top of installation base is located the screw hole and corresponds the department and is equipped with first mounting groove, and the surface of first mounting groove is equipped with the bolt, through first spring fixed connection between first mounting groove and the bolt.

Preferably, the bottom surface of the support frame is provided with a slot at a position corresponding to the positioning hole, the slot corresponds to the bolt, and the bolt is inserted into the slot through the first spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a positioning disk and locating hole structure realize carrying out quick definite hole to bent axle oil blanket diameter of axle surface, consequently avoid personnel to confirm the drilling position with the help of other instruments for personnel drilling time shortens, thereby has improved personnel's work efficiency.

2. The utility model discloses a locating piece, constant head tank and second connecting rod and fourth spring structure realize installing fast the bent axle, have consequently avoided personnel to need carry out many times adjusting position for personnel can directly carry out the position installation, thereby have improved clamping device's result of use.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a sectional top view of the present invention;

fig. 5 is a schematic top partially cross-sectional enlarged view of fig. 1 according to the present invention;

fig. 6 is a schematic diagram of the bottom end section in fig. 1 according to the present invention.

In the figure: 1. installing a base; 101. a rotating member; 102. a first mounting groove; 103. a first spring; 104. a bolt; 2. a support frame; 201. a second mounting groove; 202. a third mounting groove; 203. a slot; 204. a threaded hole; 3. extruding the block; 301. a sleeve; 302. a loop bar; 303. a second spring; 4. a fixed block; 401. a first connecting rod; 402. a third spring; 403. a rubber pad; 5. positioning blocks; 501. positioning a groove; 502. a second connecting rod; 503. a fourth spring; 6. positioning a plate; 601. connecting blocks; 602. a threaded rod; 603. fixing a nut; 604. positioning holes; 7. a threaded push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a clamping device for crankshaft machining comprises a mounting base 1; a supporting frame 2 is arranged at the center of the top end of the mounting base 1, a positioning disc 6 is arranged at the top end of the supporting frame 2, and a positioning block 5 is arranged on the reverse side of the top end of the supporting frame 2;

a positioning groove 501 is formed in the position, close to the center of the side face of the support frame 2, of the positioning block 5, a second connecting rod 502 is arranged at the top end of the positioning block 5, and a fourth spring 503 is arranged on the surface of the second connecting rod 502;

the surface of the positioning disc 6 is provided with positioning holes 604, two sides of the surface of the positioning disc 6 are provided with connecting blocks 601, the center of the surface of each connecting block 601 is provided with a threaded rod 602, and the surface of each threaded rod 602 is provided with a fixing nut 603 through a threaded structure;

specifically, as shown in fig. 1, 2, 3, 4, 5 and 6, when in use, a person places a crankshaft inside the supporting frame 2, inserts a crank at the top end of the crankshaft, which is located at the bottom end of the shaft diameter of the oil seal, into a positioning groove 501 inside a positioning block 5, inserts the bottom end of the crankshaft between two sets of squeezing blocks 3 for squeezing and fixing, drives the positioning block 5 to move downwards by the crank inside the positioning groove 501, and squeezes and deforms a fourth spring 503 on the surface by a second connecting rod 502 at the top end of the positioning block 5, so that the person is prevented from adjusting positions for many times, the person can directly perform position installation, the using effect of the clamping device is improved, the person fixes the crankshaft by using a fixing block 4, and then the positioning disc 6 is placed on the surface of the shaft diameter of the crankshaft by a threaded rod 602, a fixing nut 603 and a connecting block 601, then, the person drills the top end of the crankshaft according to the positioning hole 604 in the surface of the positioning plate 6, so that the situation that the person needs to determine the drilling position by means of other tools is avoided, the drilling time of the person is shortened, and the working efficiency of the person is improved.

Further, a third mounting groove 202 is formed in the top end of the support frame 2 at a position corresponding to the top end of the positioning block 5, and the second connecting rod 502 is located inside the third mounting groove 202;

specifically, as shown in fig. 5, after the person places the crank of the crankshaft in the positioning groove 501, the positioning block 5 moves downward along with the descent of the crankshaft while communicating the second connecting rod 502 in the third mounting groove 202.

Furthermore, two groups of extrusion blocks 3 are arranged in the center of the bottom end of the support frame 2, a loop bar 302 is arranged in the center of the outer side surface of each extrusion block 3, a sleeve 301 is arranged on the surface of the loop bar 302, and a second spring 303 is arranged on the surfaces of the sleeve 301 and the loop bar 302;

specifically, as shown in fig. 2, when a person places the bottom end of the crankshaft between two sets of the squeezing blocks 3, the squeezing blocks 3 fix the bottom end of the crankshaft by means of the second springs 303 on the side surfaces, and meanwhile, the sleeves 301 and the loop bars 302 limit the second springs 303.

Furthermore, two groups of fixed blocks 4 are arranged at the center of the top end of the support frame 2, one end of each fixed block 4 is positioned in the support frame 2 and is provided with a first connecting rod 401, and rubber pads 403 are arranged on the opposite surfaces of the two groups of fixed blocks 4; a second mounting groove 201 is formed in the support frame 2 at a position corresponding to the first connecting rod 401, and a third spring 402 is arranged in the second mounting groove 201 and on the surface of the first connecting rod 401; a threaded hole 204 is formed in the support frame 2 at a position corresponding to the first connecting rod 401, and a threaded push rod 7 is mounted in the threaded hole 204 through a threaded structure;

specifically, as shown in fig. 4, after the extrusion block 3 extrudes and fixes the bottom end of the crankshaft, a person rotates the threaded push rod 7 inside the threaded hole 204, the threaded push rod 7 moves towards the second mounting groove 201 by means of a threaded structure, and simultaneously pushes the first connecting rod 401 inside the second mounting groove 201 to move, so as to drive the fixing block 4 at one end of the first connecting rod 401 to move towards the center of the top end of the support frame 2, and then the crankshaft is fixed by the rubber pad 403, and simultaneously, after the person completes the drilling process of the crankshaft, the person moves the threaded push rod 7 in the opposite direction by means of the threaded structure, and simultaneously the fixing block 4 loosens the crankshaft under the action of the third spring 402 inside the second mounting groove 201.

Furthermore, a rotating part 101 is arranged at the center of the top end of the mounting base 1, the bottom end of the support frame 2 is fixed on the surface of the rotating part 101, a first mounting groove 102 is arranged at the position, corresponding to the threaded hole 204, of the top end of the mounting base 1, a plug pin 104 is arranged on the surface of the first mounting groove 102, and the first mounting groove 102 is fixedly connected with the plug pin 104 through a first spring 103; the bottom end surface of the support frame 2 is provided with a slot 203 at the position corresponding to the positioning hole 604, the slot 203 corresponds to the bolt 104, and the bolt 104 is inserted into the slot 203 through the first spring 103;

specifically, as shown in fig. 6, when a person rotates the supporting frame 2 through the rotating member 101 at the bottom end according to the positioning hole 604 on the surface of the positioning plate 6, and then the positioning plate 6 rotates to the next positioning hole 604, the plug 104 located on the surface of the mounting base 1 is inserted into the slot 203 corresponding to the bottom end of the supporting frame 2 and the positioning hole 604 through the first spring 103, and when the person rotates to the next positioning hole 604, the plug 104 is pushed by the bottom end of the supporting frame 2 to exit from the slot 203, and then inserted into the slot 203 corresponding to the next positioning hole through the first spring 103.

The working principle is as follows: during the use, personnel place the bent axle inside support frame 2, insert the crank that the bent axle top was located oil blanket shaft footpath bottom simultaneously in the inside constant head tank 501 of locating piece 5, insert the bent axle bottom and extrude fixedly between two sets of extrusion pieces 3, personnel push fixed block 4 to the bent axle surface through twisting thread push rod 7 after then, and fix the bent axle through fixed block 4, simultaneously after personnel accomplish bent axle drilling processing, personnel move thread push rod 7 to the opposite direction through the helicitic texture, simultaneously fixed block 4 loosens the bent axle under the third spring 402 effect of second mounting groove 201 inside, personnel begin to carry out drilling processing to the bent axle afterwards, personnel rotate support frame 2 through the rotation piece 101 of bottom according to the locating hole 604 on positioning disk 6 surface, when positioning disk 6 rotated corresponding locating hole 604, bolt 104 that is located mounting base 1 surface inserts support frame 2 bottom and the slot 203 that locating hole 604 corresponds each other through first spring 103 When the pin 104 is rotated to the next positioning hole 604, the pin is withdrawn from the inside of the slot 203 under the bottom end of the supporting frame 2, and then inserted into the next corresponding slot 203 through the first spring 103.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that the technical solutions of the present invention can be modified and replaced with other solutions without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A clamping device for crankshaft machining comprises a mounting base (1); the method is characterized in that: a supporting frame (2) is arranged in the center of the top end of the mounting base (1), a positioning disc (6) is arranged at the top end of the supporting frame (2), and a positioning block (5) is arranged on the reverse side of the top end of the supporting frame (2);

a positioning groove (501) is formed in the position, close to the center of the side face of the support frame (2), of the positioning block (5), a second connecting rod (502) is arranged at the top end of the positioning block (5), and a fourth spring (503) is arranged on the surface of the second connecting rod (502);

the surface of positioning disk (6) is equipped with locating hole (604), and the surface both sides of positioning disk (6) are equipped with connecting block (601), the surperficial central point of connecting block (601) puts and is equipped with threaded rod (602), and fixation nut (603) are installed through helicitic texture in the surface of threaded rod (602).

2. The clamping device for crankshaft machining according to claim 1, characterized in that: the top of support frame (2) is located locating piece (5) top and corresponds the department and is equipped with third mounting groove (202), and second connecting rod (502) are located inside third mounting groove (202).

3. The clamping device for crankshaft machining according to claim 1, characterized in that: the bottom center of support frame (2) is located and is equipped with two sets of extrusion piece (3), and the outside side central point of extrusion piece (3) puts and is equipped with loop bar (302), and the surface of loop bar (302) is equipped with sleeve (301), and the surface of sleeve (301) and loop bar (302) is equipped with second spring (303).

4. The clamping device for crankshaft machining according to claim 1, characterized in that: the top central point of support frame (2) puts and is equipped with two sets of fixed blocks (4), and the one end of fixed block (4) is located the inside of support frame (2) and is equipped with head rod (401), and two sets of fixed block (4) opposite face is equipped with rubber pad (403).

5. The clamping device for crankshaft machining according to claim 1, characterized in that: the inside of support frame (2) is located first connecting rod (401) and corresponds the department and is equipped with second mounting groove (201), and the inside first connecting rod (401) surface that is located of second mounting groove (201) is equipped with third spring (402).

6. The clamping device for crankshaft machining according to claim 1, characterized in that: the inner part of the support frame (2) is provided with a threaded hole (204) at the position corresponding to the first connecting rod (401), and the threaded push rod (7) is installed inside the threaded hole (204) through a threaded structure.

7. The clamping device for crankshaft machining according to claim 1, characterized in that: the top center position of installation base (1) is equipped with rotates piece (101), and the bottom mounting of support frame (2) is on the surface that rotates piece (101), and the top of installation base (1) is located screw hole (204) and corresponds the department and is equipped with first mounting groove (102), and the surface of first mounting groove (102) is equipped with bolt (104), through first spring (103) fixed connection between first mounting groove (102) and bolt (104).

8. The clamping device for crankshaft machining according to claim 1, characterized in that: the bottom end surface of the support frame (2) is provided with a slot (203) at the position corresponding to the positioning hole (604), the slot (203) corresponds to the bolt (104), and the bolt (104) is inserted into the slot (203) through the first spring (103).