CN213561120U

CN213561120U - Knuckle mechanical fixture with locator

Info

Publication number: CN213561120U
Application number: CN202022540428.9U
Authority: CN
Inventors: 卢威龙
Original assignee: Dongguan Ruiheng Precision Machinery Co ltd
Current assignee: Dongguan Ruiheng Precision Machinery Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-29
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a knuckle mechanical fixture with locator, it includes: the clamp comprises a clamp body, a positioner arranged on the clamp body and used for positioning a steering knuckle, and a clamping device arranged on the clamp body and used for clamping the steering knuckle, wherein the positioner comprises a positioning rod which is telescopically inserted into the steering knuckle, a first driving device arranged at one end of the clamp body and used for pushing the positioning rod, a spring arranged between the first driving device and the positioning rod, and a locking mechanism arranged on the clamp body and used for locking the positioning rod, and the first driving device pushes the positioning rod to move through the spring. The utility model discloses in adopt first drive arrangement to promote the locating lever through the spring and stretch into the inner chamber of knuckle, utilize the spring to promote the locating lever indirectly and support to press the location to the knuckle to realize flexible location, thereby make the location more accurate, and can not cause the knuckle to warp, can not cause the damage to the knuckle yet, can ensure that the knuckle machining precision is not influenced.

Description

Knuckle mechanical fixture with locator

The technical field is as follows:

the utility model relates to an anchor clamps field refers in particular to a knuckle mechanical fixture with locator.

Background art:

the jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

The clamp types can be divided into: universal fixture. Such as a vice, a chuck, a sucker, an index head, a rotary table and the like for machine tools, has great universality, can better adapt to the change of machining processes and machining objects, has a shaped structure and serialized sizes and specifications, and most of the parts become standard accessories of the machine tools. ② special clamp. The special clamping tool is specially designed and manufactured for clamping a certain product part in a certain process, has a specific service object and strong pertinence, and is generally designed by a product manufacturing factory. Lathe jigs, milling machine jigs, drill jigs (machine tool jigs for guiding a tool to drill or ream a workpiece), boring jigs (machine tool jigs for guiding a boring bar to bore a workpiece), and pallet jigs (movable jigs for use on an automatic line of a combined machine tool) are commonly used. And thirdly, an adjustable clamp. The special fixture of the element can be replaced or adjusted. And fourthly, assembling the clamp. The clamp consisting of standardized elements of different shapes, specifications and uses is suitable for single-piece, small-lot production and temporary tasks of trial production of new products and frequent replacement of products.

The knuckle anchor clamps are used for specially adding the special fixture that fixes the knuckle when the knuckle adds man-hour, generally adopt omnipotent universal fixturing to fix a position the knuckle on the market at present and press from both sides tightly, and omnipotent universal fixturing exists the location inaccurate, leads to the knuckle to warp easily, and is the rigidity location usually, causes the damage to the butt joint contact surface easily, influences knuckle post-processing precision.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a knuckle mechanical fixture with locator.

In order to solve the technical problem, the utility model discloses a following technical scheme: this knuckle mechanical fixture with locator includes: the positioning device comprises a positioning rod which is inserted into the steering knuckle in a telescopic mode, a first driving device which is installed at one end of the clamp body and used for pushing the positioning rod to extend into the steering knuckle, a spring which is arranged between the first driving device and the positioning rod, and a locking mechanism which is installed on the clamp body and used for locking the positioning rod, wherein the first driving device pushes the positioning rod to move through the spring.

Furthermore, in the above technical scheme, one end of the inner cavity of the knuckle is provided with a taper hole, and the front end of the positioning rod is provided with a conical surface which is matched with the taper hole and is pressed and positioned.

Further, in the above technical solution, the spring is installed in the positioning rod, a first installation hole for installing the spring is provided at the front end of the positioning rod, a plug for sealing the spring is installed at an opening end of the first installation hole, a first screw fixed with the first driving device and pushed by the first driving device to compress the spring is installed at the other end of the first installation hole, and two ends of the spring are respectively pressed against the first screw and the plug.

Furthermore, in the above technical solution, a gasket is sleeved on the first screw, the gasket is located between the first screw and the bottom of the first mounting hole, the plug is connected with the inner wall of the first mounting hole through a thread, and a slot for rotating the plug is formed at one end of the plug.

Further, in the above technical solution, a second mounting hole for mounting the positioning rod is provided in the fixture body, and the first driving device is mounted at the bottom of the second mounting hole and pushes the positioning rod to extend and retract along the second mounting hole; and the rear end of the positioning rod is provided with a containing cavity capable of containing the first driving device.

Furthermore, in the above technical solution, a guide block for collision avoidance is further installed at the top of the front end of the positioning rod.

Further, in the above technical solution, the guide block is mounted on the plug through a second screw, and the guide block is a nylon guide block.

Furthermore, in the above technical solution, the locking mechanism includes a locking rod that is telescopically installed in the clamp body and abuts against and presses the positioning rod to lock the positioning rod, a second driving device that is installed on the clamp body and used for pushing the locking rod to lock and unlock the positioning rod, and a slider that connects the locking rod and the second driving device, and a third installation hole for the locking rod and the slider to move is provided in the clamp body.

Further, in the above technical solution, the third mounting hole is located below the second mounting hole and perpendicular to the second mounting hole, and a part of the third mounting hole passes through the second mounting hole; the front end of the locking rod is formed with an arc surface which is pressed against the positioning rod.

Furthermore, in the above technical solution, the positioner further includes a positioning top seat installed at the other end of the fixture body and cooperating with the positioning rod to position the knuckle, and the clamping device is disposed on two sides of the knuckle.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses in promote the locating lever through adopting first drive arrangement and stretch into in the inner chamber of knuckle to set up the spring between locating lever and first drive arrangement, make first drive arrangement can utilize the spring to promote the locating lever indirectly and support to press the location to the knuckle, and then realize flexible location, thereby make the location more accurate, and can not cause the knuckle to warp, also can not cause the damage to the knuckle, consequently, can ensure that the knuckle machining precision is not influenced.

Description of the drawings:

fig. 1 is a partial cross-sectional view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of section A-A of FIG. 2;

FIG. 4 is a cross-sectional view of section B-B of FIG. 2;

fig. 5 is a reference diagram of the usage state of the present invention;

fig. 6 is a perspective view of the present invention;

fig. 7 is a perspective view of the locking mechanism of the present invention;

fig. 8 is a perspective view of the plug of the present invention.

Description of reference numerals:

1 clamp body 11 second mounting hole 12 third mounting hole

2 knuckle 21 taper hole 3 locator

30 positioning top seat 31 positioning rod 311 conical surface

312 first mounting hole 313 open end 314 receiving cavity

32 first drive 33 spring 34 locking mechanism

341 locking lever 342 second drive 343 slider

344 arc surface 35 plug 351 slot

36 first screw 37 washer 38 guide block

39 second screw 4 clamping device

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1 to 8, there is provided a knuckle mechanical clamp with a retainer, including: the clamp comprises a clamp body 1, a positioner 3 which is arranged on the clamp body 1 and is used for positioning a steering knuckle 2, and a clamping device 4 which is arranged on the clamp body 1 and is used for clamping the steering knuckle 2, wherein the positioner 3 comprises a positioning rod 31 which is inserted into the steering knuckle 2 in a telescopic manner, a first driving device 32 which is arranged at one end of the clamp body 1 and is used for pushing the positioning rod 31 to extend into the steering knuckle 2, a spring 33 which is arranged between the first driving device 32 and the positioning rod 31, and a locking mechanism 34 which is arranged on the clamp body 1 and is used for locking the positioning rod 31, and the first driving device 32 pushes the positioning rod 31 to move through the spring 33. Through adopting first drive arrangement 32 to promote the locating lever 31 and stretch into the inner chamber of knuckle 2 to set up spring 33 between locating lever 31 and first drive arrangement 32, make first drive arrangement 32 can utilize spring 33 indirect promotion locating lever 31 to support the pressure location to knuckle 2, and then realize flexible location, thereby make the location more accurate, and can not cause knuckle 2 to warp, also can not cause the damage to knuckle 2, consequently, can ensure that knuckle 2 machining precision is not influenced.

One end of the inner cavity of the steering knuckle 2 is provided with a taper hole 21, and the front end of the positioning rod 31 is provided with a conical surface 311 which is matched with the taper hole 21 and is pressed and positioned. Through the conical surface 311 that sets up the taper hole 21 in with knuckle 2 and match at locating lever 31 front end for can promote the location contact surface, prevent that positioning pressure from concentrating, and then avoid causing the damage to knuckle 2 surface, simultaneously, also can improve positioning accuracy, guarantee to knuckle 2 pinpoint.

The spring 33 is installed in the positioning rod 31, a first installation hole 312 for installing the spring 33 is arranged at the front end of the positioning rod 31, a plug 35 for sealing the spring 33 is installed at an opening end 313 of the first installation hole 312, a first screw 36 which is fixed with the first driving device 32 and is pushed by the first driving device 32 to compress the spring 33 is installed at the other end of the first installation hole 312, and two ends of the spring 33 respectively abut against the first screw 36 and the plug 35.

A gasket 37 is sleeved on the first screw 36, the gasket 37 is located between the first screw 36 and the bottom of the first mounting hole 312, the plug 35 is in threaded connection with the inner wall of the first mounting hole 312, and a slot 351 for rotating the plug 35 is formed at one end of the plug 35.

A second mounting hole 11 for mounting the positioning rod 31 is formed in the fixture body 1, and the first driving device 32 is mounted at the bottom of the second mounting hole 11 and pushes the positioning rod 31 to extend along the second mounting hole 11; the rear end of the positioning rod 31 is formed with a receiving cavity 314 that can receive the first driving device 32.

And a guide block 38 for collision avoidance is further mounted at the top of the front end of the positioning rod 31. The guide block 38 is mounted on the plug 35 by a second screw 39, and the guide block 38 is a nylon guide block. The nylon guide block is arranged at the front end of the positioning rod 31, so that the product can be effectively prevented from being damaged by collision when the steering knuckle 2 is placed.

The locking mechanism 34 includes a locking rod 341 telescopically mounted in the clamp body 1 and abutting against and locking the positioning rod 31, a second driving device 342 mounted on the clamp body 1 and used for pushing the locking rod 341 to lock and unlock the positioning rod 31, and a slider 343 connected with the locking rod 341 and the second driving device 342, and a third mounting hole 12 for the locking rod 341 and the slider 343 to move is provided in the clamp body 1.

The third mounting hole 12 is positioned below the second mounting hole 11 and perpendicular to the second mounting hole 11, and a part of the third mounting hole 12 passes through the second mounting hole 11; the front end of the locking rod 341 is formed with an arc surface 344 that abuts against the positioning rod 31.

The positioner 3 further comprises a positioning top seat 30 which is arranged at the other end of the fixture body 1 and is matched with the positioning rod 31 to position the steering knuckle 2, and the clamping device 4 is arranged on two sides of the steering knuckle 2. The first driving device 32 and the second driving device 342 are both hydraulic oil cylinders, and oil passages which are communicated with the hydraulic oil cylinders and provide hydraulic oil for the night pressing oil cylinders are arranged in the clamp body 1.

To sum up, the utility model discloses during the use, loosen clamping device 4 earlier, then place knuckle 2 between locating lever 31 and location footstock 30, stretch into 2 inner chambers of knuckle and support to pressing fixedly to knuckle 2 by first drive arrangement 32 drive locating lever 31 again to good location with knuckle 2, it is further fixed with locating lever 31 locking by locking mechanism 34, it is fixed to press from both sides knuckle 2 tightly by clamping device 4 at last, thereby it is tight to accomplish the location clamp to knuckle 2.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A knuckle mechanical clamp with locator, comprising: the clamp comprises a clamp body (1), a positioner (3) which is arranged on the clamp body (1) and used for positioning a steering knuckle (2), and a clamping device (4) which is arranged on the clamp body (1) and used for clamping the steering knuckle (2), and is characterized in that the positioner (3) comprises a positioning rod (31) which is inserted into the steering knuckle (2) in a telescopic manner, a first driving device (32) which is arranged at one end of the clamp body (1) and used for pushing the positioning rod (31) to extend into the steering knuckle (2), a spring (33) which is arranged between the first driving device (32) and the positioning rod (31), and a locking mechanism (34) which is arranged on the clamp body (1) and used for locking the positioning rod (31), wherein the first driving device (32) pushes the positioning rod (31) to move through the spring (33).

2. The knuckle mechanical clamp with locator of claim 1, wherein: one end of the inner cavity of the steering knuckle (2) is provided with a taper hole (21), and the front end of the positioning rod (31) is provided with a conical surface (311) which is matched with the taper hole (21) and is pressed and positioned.

3. The knuckle mechanical clamp with locator of claim 2, wherein: the spring (33) is installed in the positioning rod (31), a first installation hole (312) used for installing the spring (33) is formed in the front end of the positioning rod (31), a plug (35) used for sealing the spring (33) is installed at the opening end (313) of the first installation hole (312), a first screw (36) fixed with the first driving device (32) and pushed and compressed by the first driving device (32) to the spring (33) is installed at the other end of the first installation hole (312), and two ends of the spring (33) respectively abut against the first screw (36) and the plug (35).

4. The knuckle mechanical clamp with locator of claim 3, wherein: a gasket (37) is sleeved on the first screw (36), the gasket (37) is located between the first screw (36) and the bottom of the first mounting hole (312), the plug (35) is in threaded connection with the inner wall of the first mounting hole (312), and a groove (351) for rotating the plug (35) is formed in one end of the plug (35).

5. The knuckle mechanical clamp with locator of claim 4, wherein: a second mounting hole (11) for mounting the positioning rod (31) is formed in the clamp body (1), and the first driving device (32) is mounted at the bottom of the second mounting hole (11) and pushes the positioning rod (31) to stretch along the second mounting hole (11); the rear end of the positioning rod (31) is provided with a containing cavity (314) which can contain the first driving device (32).

6. The knuckle mechanical clamp with locator of claim 5, wherein: and a guide block (38) for collision avoidance is further mounted at the top of the front end of the positioning rod (31).

7. The knuckle mechanical clamp with locator of claim 6, wherein: the guide block (38) is installed on the plug (35) through a second screw (39), and the guide block (38) is a nylon guide block.

8. The knuckle mechanical clamp with locator of claim 7, wherein: the locking mechanism (34) comprises a locking rod (341) which is arranged in the clamp body (1) in a telescopic mode and is abutted against and locked with the positioning rod (31), a second driving device (342) which is arranged on the clamp body (1) and is used for pushing the locking rod (341) to lock and release the positioning rod (31), and a pull head (343) which is connected with the locking rod (341) and the second driving device (342), wherein a third mounting hole (12) for the locking rod (341) and the pull head (343) to move is formed in the clamp body (1).

9. The knuckle mechanical clamp with locator of claim 8, wherein: the third mounting hole (12) is positioned below the second mounting hole (11) and perpendicular to the second mounting hole (11), and a part of the third mounting hole (12) passes through the second mounting hole (11); the front end of the locking rod (341) is formed with an arc surface (344) which is pressed against the positioning rod (31).

10. A knuckle mechanical clamp with a locator according to any one of claims 7-9, wherein: the positioner (3) further comprises a positioning top seat (30) which is arranged at the other end of the clamp body (1) and is matched with the positioning rod (31) to position the steering knuckle (2), and the clamping device (4) is arranged on two sides of the steering knuckle (2).