CN220807107U - Press fitting fixture for preventing workpiece from shaking - Google Patents

Abstract

The utility model discloses a press-fitting clamp for preventing workpieces from shaking, which belongs to the technical field of press-fitting clamps and comprises a base and a fixed seat, wherein the fixed seat is positioned above the base, a buffer cylinder is fixedly connected to the bottom of an inner cavity of the base, a spring cylinder is fixedly connected to the bottom of the inner cavity of the buffer cylinder, a buffer spring is fixedly connected to the top of the spring cylinder, a first pressing rod is inserted into the top of the buffer cylinder, a reset spring piece is sleeved on the upper side of the outer side wall of the first pressing rod, the bottom end of the first pressing rod penetrates through the buffer cylinder and extends to the inner cavity of the buffer cylinder, and a liquid seepage plate is fixedly connected to the bottom of the liquid seepage plate, and the buffer spring is fixedly connected.

Description

Press fitting fixture for preventing workpiece from shaking

Technical Field

The utility model relates to the technical field of press-fitting fixtures, in particular to a press-fitting fixture for preventing workpieces from shaking.

Background

The component of synchronous ware includes the tooth cover, and the tooth cover is annular, and the tooth still includes the ring gear on the inner wall, and the ring gear is assembled to the tooth cover through the pressure equipment, and in addition there is the baffle, and tooth cover, ring gear and baffle wholly splice together, form wholly, then need use pressure equipment anchor clamps to fix it when assembling it.

After the existing press-fitting clamp fixes a workpiece, the press-fitting clamp can shake as a whole due to the fact that the pressure generated by extruding the workpiece is large when the existing press-fitting clamp presses the workpiece, so that the position of the workpiece is offset to influence the machining accuracy, the existing press-fitting clamp is single in clamping mode, the unstable clamping condition is easy to occur, the clamp can only clamp workpieces of the same specification generally, the applicability is low, and for this purpose, the press-fitting clamp capable of preventing the workpiece from shaking is provided.

Disclosure of utility model

The utility model aims to provide a press-fitting clamp for preventing a workpiece from shaking, which aims to solve the problems that after the workpiece is fixed by the prior press-fitting clamp in the background art, the pressure generated by extruding the workpiece is large when the workpiece is pressed, the whole press-fitting clamp can shake, the position of the workpiece is offset to influence the machining accuracy, the clamping mode of the prior press-fitting clamp is single, the unstable clamping condition is easy to occur, and the clamp can only clamp the workpiece with the same specification.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a press-fit clamp that work piece rocked, includes base and fixing base, the fixing base is located the top of base, the inner chamber bottom fixedly connected with buffer tube of base, the inner chamber bottom fixedly connected with spring tube of buffer tube, the top fixedly connected with buffer spring of spring tube, peg graft on the top of buffer tube has first depression bar, reset spring spare has been cup jointed to the lateral wall upside of first depression bar, the bottom of first depression bar runs through buffer tube and extends to the inner chamber of buffer tube, and fixedly connected with oozes the liquid board, oozes the bottom of liquid board with buffer spring fixedly connected with, oozes the bottom fixedly connected with second depression bar of liquid board, the bottom of second depression bar runs through the spring tube and extends to the inner chamber of spring tube, the inner chamber of buffer tube is filled with the buffer liquid, the buffer liquid is located between the spring tube with ooze the liquid board, the top fixedly connected with mounting panel of first depression bar, the inside of fixing base is opened there is the transmission storehouse, the inner chamber of transmission storehouse is rotated the lateral wall and is connected with evenly distributed, a rotation gear is connected with a round of rotation pole.

As a further description of the above technical solution:

the other end of the rotating rod penetrates through the transmission bin and extends to the inner cavity of the fixing seat, and is fixedly connected with a threaded rod, and the outer side wall of the threaded rod is in threaded connection with a threaded sleeve.

As a further description of the above technical solution:

The top of the thread bush is fixedly connected with a connecting piece.

As a further description of the above technical solution:

The top of the connecting piece penetrates through the fixing seat and extends to the top of the fixing seat, and a clamping block is fixedly connected with the top of the fixing seat.

As a further description of the above technical solution:

the top fixedly connected with anti-slip bar of fixture block.

As a further description of the above technical solution:

The bottom of the inner cavity of the transmission bin is fixedly connected with a motor, the top end of a power output shaft of the motor is fixedly connected with a second meshing gear, and the second meshing gear is in meshing connection with the first meshing gear.

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

1. This prevent pressure equipment anchor clamps that work piece rocked when carrying out pressure equipment processing to the work piece, produce great pressure and lead to the fixing base that is located the mounting panel top to take place to rock the back, receive the pressure through the mounting panel and push down, carry out extrusion formula first depression bar to first depression bar and drive down and ooze the liquid board and extrude buffer and buffer spring, extrude the back buffer to buffer liquid and flow to the top of ooze the liquid board along the through-hole on the liquid board, offset the rocking of mounting panel in this process, lose the pressure afterwards, by first depression bar extruded reset spring spare with by the extrusion of second depression bar spring section of thick bamboo resets, with first depression bar lifting to normal position, thereby can produce to rock when processing and offset, prevent the work piece of processing because rocking and taking place the dislocation.

2. This prevent pressure equipment anchor clamps that work piece rocked, when carrying out the centre gripping to the work piece of different specifications, through the protruding department of aiming at the fixing base with the center hollow department of work piece, fall on the fixture block afterwards, place the back depression bar start motor drive second meshing gear with the work piece and rotate, make second meshing gear drive all around rather than the first meshing gear that the meshing is connected rotate, make first meshing gear drive threaded rod rotate the threaded rod drive thread bush and make the threaded rod drive the thread bush and remove the connecting piece and make the fixture block outwards remove, make the antiskid pole of installing on the fixture block contact the inboard of work piece and fix it, thereby can fix the work piece of different specifications, the suitability is strong.

Drawings

Fig. 1 is a schematic perspective view of a press-fitting fixture for preventing workpiece shake according to the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a press-fitting jig for preventing workpiece shake according to the present utility model;

FIG. 3 is a schematic diagram of a right-side cross-sectional structure of a press-fitting jig for preventing workpiece shake according to the present utility model;

Fig. 4 is an enlarged schematic view of the structure of the press-fitting fixture in fig. 2 a for preventing the workpiece from shaking.

In the figure: 100. a base; 110. a buffer tube; 120. a spring cylinder; 121. a buffer spring; 130. a first compression bar; 131. a return spring member; 140. a liquid seepage plate; 141. a second compression bar; 150. a buffer; 160. a mounting plate; 200. a fixing seat; 210. a transmission bin; 220. a rotating lever; 221. a first meshing gear; 222. a threaded rod; 223. a thread sleeve; 230. a connecting piece; 240. a clamping block; 241. an anti-skid bar; 250. a motor; 251. the second meshing gear.

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a press-fitting clamp for preventing workpieces from shaking, which can offset shaking generated during machining, prevent the machined workpieces from misplacement due to shaking, fix the workpieces with different specifications, has strong applicability, and is shown in fig. 1-4, and comprises a base 100 and a fixed seat 200;

Referring to fig. 1-4 again, the bottom of the inner cavity of the base 100 is fixedly connected with a buffer cylinder 110, the buffer cylinder 110 is used for installing a main structure, the base 100 is used for installing a main structure, the bottom of the inner cavity of the buffer cylinder 110 is fixedly connected with a spring cylinder 120, the spring cylinder 120 is used for resetting the first pressure rod 130, the top of the spring cylinder 120 is fixedly connected with a buffer spring 121, the buffer spring 121 is used for buffering the downward pressure, the top of the buffer cylinder 110 is inserted with the first pressure rod 130, the first pressure rod 130 is used for installing the main structure, the upper side of the outer side wall of the first pressure rod 130 is sleeved with a reset spring member 131, the reset spring member 131 is used for resetting the first pressure rod 130, the bottom end of the first pressure rod 130 penetrates through the buffer cylinder 110 and extends to the inner cavity of the buffer cylinder 110, and is fixedly connected with a liquid seepage plate 140, the liquid seepage plate 140 is used for extruding the buffer 150, the bottom of the liquid seepage plate 140 is fixedly connected with the buffer spring 121, the bottom of the liquid seepage plate 140 is fixedly connected with a second pressure rod 141, the second pressure rod 141 is used for extruding the spring barrel 120, the bottom end of the second pressure rod 141 penetrates through the spring barrel 120 and extends to the inner cavity of the spring barrel 120, the inner cavity of the buffer barrel 110 is filled with buffer liquid 150, the buffer liquid 150 is used for counteracting the downward pressure after being extruded by the liquid seepage plate 140, the buffer liquid 150 is positioned between the spring barrel 120 and the liquid seepage plate 140, the top end of the first pressure rod 130 is fixedly connected with a mounting plate 160, the mounting plate 160 is used for mounting a fixing seat 200, when a workpiece is pressed, the fixing seat 200 above the mounting plate 160 is rocked due to larger pressure, the buffer liquid 150 and the buffer spring 121 are extruded by the first pressure rod 130 under the action of the extrusion type first pressure rod 130, after the buffer solution 150 is extruded, the buffer solution 150 flows to the upper part of the seepage plate 140 along the through hole on the seepage plate 140, in the process, the shaking of the mounting plate 160 is counteracted, and then after the pressure is lost, the reset spring member 131 extruded by the first compression rod 130 and the spring barrel 120 extruded by the second compression rod 141 are reset, so that the first compression rod 130 is lifted to the original position;

In summary, the shaking generated during processing can be counteracted, and the processed workpiece is prevented from being misplaced due to shaking;

Referring to fig. 1 to 3 again, the fixing base 200 is located above the base 100, specifically, the fixing base 200 is fixedly connected above the base 100 through the mounting plate 160, a driving bin 210 is opened inside the fixing base 200, the driving bin 210 is used for mounting a main structure, a rotating rod 220 is rotatably connected to an outer side wall of an inner cavity of the driving bin 210, the rotating rod 220 is used for mounting a first meshing gear 221 and is uniformly distributed, a first meshing gear 221 is fixedly connected to an end of the rotating rod 220, the first meshing gear 221 is used for cooperating with a second meshing gear 251 to perform linkage, the other end of the rotating rod 220 penetrates through the driving bin 210 and extends to the inner cavity of the fixing base 200, and is fixedly connected with a threaded rod 222, the threaded rod 222 is used for adjusting a position of a threaded sleeve 223, the outer side wall of the threaded rod 222 is in threaded connection with the threaded sleeve 223, the threaded sleeve 223 is used for mounting a connecting piece 230, the top of the screw sleeve 223 is fixedly connected with a connecting piece 230, the connecting piece 230 is used for installing a clamping block 240, the top of the connecting piece 230 penetrates through the fixing seat 200 and extends to the top of the fixing seat 200, the clamping block 240 is fixedly connected with the clamping block 240, the clamping block 240 is used for installing an anti-skid rod 241, the top of the clamping block 240 is fixedly connected with an anti-skid rod 241, the anti-skid rod 241 is used for fixing a workpiece, the bottom of an inner cavity of the transmission bin 210 is fixedly connected with a motor 250, the motor 250 is used for driving a second meshing gear 251, the top of a power output shaft of the motor 250 is fixedly connected with the second meshing gear 251, the second meshing gear 251 is in meshing connection with the first meshing gear 221, when workpieces with different specifications are clamped, the central hollowed-out parts of the workpieces are aligned with the convex parts of the fixing seat 200 and then fall on the clamping block 240, the pressing rod 250 is started to drive the second meshing gear 251 to rotate after the workpieces are placed, the second meshing gear 251 drives the first meshing gear 221 which is meshed and connected with the periphery of the second meshing gear 251 to rotate, the first meshing gear 221 drives the threaded rod 222 to rotate, the threaded rod 222 drives the threaded sleeve 223 to move so as to drive the connecting piece 230 to drive the clamping block 240 to move outwards, and the anti-skid rod 241 arranged on the clamping block 240 is used for contacting and fixing a workpiece to the inner side of the workpiece;

In conclusion, workpieces with different specifications can be fixed, and applicability is high;

when in specific use, when clamping workpieces of different specifications, a person skilled in the art aligns the central hollow part of the workpiece to the convex part of the fixing seat 200, then drops on the clamping block 240, places the workpiece, then drives the second meshing gear 251 to rotate by the pressing rod starting motor 250, drives the first meshing gear 221 which is meshed with the second meshing gear 251 all around, drives the threaded rod 222 to rotate by the first meshing gear 221, drives the threaded rod 222 to drive the threaded sleeve 223 to move, drives the connecting piece 230 to move the clamping block 240 outwards, enables the anti-skid rod 241 mounted on the clamping block 240 to contact the workpiece to fix the workpiece, then presses the workpiece, generates larger pressure to enable the fixing seat 200 above the mounting plate 160 to shake, presses down after the mounting plate 160 is subjected to pressure, presses the first pressing rod 130 downwards to drive the hydraulic plate 140 to squeeze the buffer 150 and the buffer spring, presses the buffer 150 to flow to the upper side of the hydraulic plate 140 along the through hole on the hydraulic plate 140, then the pressing rod 150 is reset to press the first pressing rod 130 to reset the first pressing rod 130, and then the first pressing rod 130 is reset to press the mounting plate 160 to shake the first pressing rod 121, and then the first pressing rod 130 is reset to reset the first pressing rod 120 is reset, and the first pressing rod is reset, and the pressing rod is carried out step is carried out.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. Prevent press-fit anchor clamps that work piece rocked, its characterized in that: including base (100) and fixing base (200), fixing base (200) are located the top of base (100), the inner chamber bottom fixedly connected with buffer tube (110) of base (100), the inner chamber bottom fixedly connected with spring tube (120) of buffer tube (110), the top fixedly connected with buffer spring (121) of spring tube (120), peg graft on the top of buffer tube (110) have first depression bar (130), reset spring spare (131) have been cup jointed to the lateral wall upside of first depression bar (130), the bottom of first depression bar (130) runs through buffer tube (110) and extends to the inner chamber of buffer tube (110), and fixedly connected with oozes liquid board (140), the bottom of oozes liquid board (140) with buffer spring (121) fixedly connected with second depression bar (141), the bottom of second depression bar (141) runs through spring tube (120) and extends to the inner chamber of spring tube (120), the bottom of first depression bar (130) runs through buffer tube (110) and extends to the inner chamber (150), it has buffer tube (150) to have one to ooze liquid board (150) to fill between the fixing base (150) and the inside of buffer tube (110), the inner cavity outer side wall of the transmission bin (210) is rotationally connected with a rotating rod (220) and is uniformly distributed, and the tail end of the rotating rod (220) is fixedly connected with a first meshing gear (221).

2. The press-fit clamp for preventing workpiece shaking according to claim 1, wherein: the other end of the rotating rod (220) penetrates through the transmission bin (210) and extends to the inner cavity of the fixed seat (200), a threaded rod (222) is fixedly connected with the rotating rod, and a thread sleeve (223) is screwed on the outer side wall of the threaded rod (222).

3. The press-fit clamp for preventing workpiece shaking according to claim 2, wherein: the top of the thread sleeve (223) is fixedly connected with a connecting piece (230).

4. A press-fit clamp for preventing workpiece shake as claimed in claim 3, wherein: the top end of the connecting piece (230) penetrates through the fixing seat (200) and extends to the top of the fixing seat (200), and a clamping block (240) is fixedly connected with the top end of the fixing seat.

5. The press-fit clamp for preventing workpiece shaking according to claim 4, wherein: the top of the clamping block (240) is fixedly connected with an anti-slip rod (241).

6. The press-fit clamp for preventing workpiece shaking according to claim 1, wherein: the motor (250) is fixedly connected to the bottom of the inner cavity of the transmission bin (210), a second meshing gear (251) is fixedly connected to the top end of the power output shaft of the motor (250), and the second meshing gear (251) is in meshing connection with the first meshing gear (221).