CN217193978U - Self-centering clamp for machining eccentric parts - Google Patents
Self-centering clamp for machining eccentric parts Download PDFInfo
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- CN217193978U CN217193978U CN202123415431.9U CN202123415431U CN217193978U CN 217193978 U CN217193978 U CN 217193978U CN 202123415431 U CN202123415431 U CN 202123415431U CN 217193978 U CN217193978 U CN 217193978U
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Abstract
The utility model discloses a processing eccentric part from line-up clamp relates to the mechanical manufacturing technology field, the on-line screen storage device comprises a base, the equal fixedly connected with riser in base front side both ends, two fixedly connected with a plurality of guide bar between the riser, guide bar middle part sliding connection has the movable block, movable block rear side fixedly connected with a plurality of slide bar, slide bar rear side surface sliding connection has the movable plate, the equal fixedly connected with baffle in movable plate upper surface front side both ends, base upper surface left side is run through and has been seted up the quad slit, sliding connection has L shape pole in the quad slit, two fixed plates of L shape pole right-hand member bottom fixedly connected with, two rotate between the fixed plate and be connected with centering screw, the equal threaded connection in centering screw both sides removes the strip, removes strip bottom fixedly connected with centering claw. The utility model discloses a set up movable plate, movable block, removal strip and centering pawl for the centre of a circle of the hole of eccentric part main part or axle coincides with the rotation center of processing machine.
Description
Technical Field
The utility model relates to a machine-building technical field specifically is a from centering anchor clamps of processing eccentric part.
Background
The eccentric part is that the excircle of part is parallel with the axis of excircle or part's excircle and hole and the axis of hole are parallel and do not coincide mutually, and eccentric part generally divide into eccentric shaft and eccentric cover. In mechanical transmission, the conversion of rotary motion into reciprocating linear motion or linear motion into rotary motion is generally accomplished by an eccentric shaft or crankshaft. The axes of the eccentric shafts, namely the excircle and the excircle of the eccentric part, are parallel without a heavy platform; the axes of the eccentric sleeve, namely the excircle and the inner hole of the eccentric part are parallel but not coincident, and the distance between the two axes is called as the eccentricity. During machining, the part is usually rotated, so that the tool machines the shaft or the hole of the part, and the eccentric part can cause great trouble to the machining due to the eccentricity of the eccentric part. In order to solve the above problems, it is necessary to provide a self-centering fixture for machining eccentric parts.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the technical scheme provides a self-centering clamp for machining an eccentric part, and solves the problems that the part is usually rotated during machining, so that a cutter machines a shaft or a hole of the part, and the eccentric part causes great troubles to the machining due to the eccentricity.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a processing eccentric parts from line-up clamp, includes the base, the equal fixedly connected with riser in base front side both ends, two fixedly connected with a plurality of guide bar between the riser, guide bar middle part sliding connection has the movable block, movable block rear side fixedly connected with a plurality of slide bar, slide bar rear side surface sliding connection has the movable plate, the equal fixedly connected with baffle in movable plate upper surface front side both ends, two rotate between the baffle and be connected with clamping screw, the equal threaded connection in clamping screw both sides has the stationary dog, base upper surface left side runs through and has seted up the quad slit, sliding connection has L shape pole in the quad slit, two fixed plates of L shape pole right-hand member bottom fixedly connected with, two rotate between the fixed plate and be connected with centering screw, the equal threaded connection in centering screw both sides has the removal strip, removes strip bottom fixedly connected with centering dog.
Preferably, movable plate right side fixedly connected with sand grip, base right side front side fixedly connected with pole setting, base right side rear side rotate and are connected with fastening screw, and the part is rotated and is connected with the bottom plate below the fastening screw, and the partial threaded connection in fastening screw top has the fastening strip, and fastening strip front end sliding connection is in the pole setting top, and bottom plate front end fixed connection is in the pole setting below, and the bottom plate upper surface butt is in the lower surface of sand grip.
Preferably, a limiting rod is fixedly connected between the two baffles, and the surface of the limiting rod is in sliding connection with the front end of the fixed claw.
Preferably, both ends of the fixing screw rod are provided with first threads, and the directions of the first threads are opposite.
Preferably, a positioning rod is fixedly connected above the two fixing plates, and the top of the movable strip is connected with the positioning rod in a sliding manner.
Preferably, both ends of the centering screw rod are provided with second threads, and the directions of the second threads are opposite.
Preferably, an eccentric part body is arranged on the upper surface of the moving plate between the two fixed claws.
Preferably, the combined center of the two centering claws and the center of the base coincide in the vertical direction.
Compared with the prior art, the utility model provides a processing eccentric part from line-up clamp possesses following beneficial effect:
by arranging the moving plate, the moving block, the moving strip and the centering claws, the eccentric part main body can be moved in a wide range by moving the moving plate and the moving block, so that the circle center of the hole or the shaft of the eccentric part main body is approximately coincided with the center of the base in the vertical direction, and the centering claws are tensioned or clamped, so that the circle center of the hole or the shaft of the eccentric part main body is finally and accurately coincided with the center of the base in the vertical direction, so long as the base is fixed on a processing machine, the base is coincided with the rotating center of the processing machine, the circle center of the hole or the shaft of the eccentric part main body can be coincided with the rotating center of the processing machine, therefore, the processing is more convenient, the efficiency is higher, meanwhile, the L-shaped rod can be taken away after the centering is finished, and the rotating processing cannot be hindered.
Drawings
Fig. 1 is a schematic front perspective view of the present invention;
FIG. 2 is a schematic top view of the L-shaped rod of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 1;
fig. 4 is a schematic top view of the centering claw of the present invention.
The reference numbers in the figures are:
101. an L-shaped rod; 102. a fixing plate; 103. a moving bar; 104. a centering claw; 105. positioning a rod; 106. a centering screw; 107. a square hole;
201. an eccentric part body; 202. a base; 203. a vertical plate; 204. a slide bar; 205. moving the plate; 206. fixing the screw rod; 207. a limiting rod; 208. a guide bar; 209. a fixed jaw; 210. a baffle plate; 211. a moving block;
301. fastening a screw rod; 302. fastening strips; 303. a base plate; 304. a convex strip; 305. and (6) erecting a rod.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-4, a self-centering clamp for processing an eccentric part comprises a base 202, wherein vertical plates 203 are fixedly connected to both ends of the front side of the base 202, a plurality of guide rods 208 are fixedly connected between the two vertical plates 203, a moving block 211 is slidably connected to the middle of the guide rods 208, a plurality of sliding rods 204 are fixedly connected to the rear side of the moving block 211, a moving plate 205 is slidably connected to the rear side surface of each sliding rod 204, baffles 210 are fixedly connected to both ends of the front side of the upper surface of the moving plate 205, a fixed screw 206 is rotatably connected between the two baffles 210, fixed claws 209 are respectively and threadedly connected to both sides of the fixed screw 206, a square hole 107 is formed in the left side of the upper surface of the base 202, an L-shaped rod 101 is slidably connected to the square hole 107, two fixed plates 102 are fixedly connected to the bottom of the right end of the L-shaped rod 101, and a centering screw 106 is rotatably connected between the two fixed plates 102, both sides of the centering screw 106 are in threaded connection with a movable strip 103, and the bottom of the movable strip 103 is fixedly connected with a centering claw 104;
when the base 202 is fixed to a rotating machine, since the base 202 is a symmetrical pattern, the center of the base 202 and the rotation center of the rotating machine must coincide with each other, and thus it is difficult to make the eccentric hole or eccentric shaft of the eccentric part main body 201 coincide with the rotation center of the rotating machine;
referring to fig. 2, taking the eccentric hole of the eccentric component main body 201 as an example, in use, the eccentric component main body 201 is placed between the fixed claws 209, the fixed screw 206 is screwed so that the fixed claws 209 fix the eccentric component main body 201, and the moving plate 205 and the moving block 211 are moved so that the eccentric hole of the eccentric component main body 201 is substantially moved to the center of the base 202, but the overlapping accuracy is not high;
referring to fig. 1, 2 and 3, it can be designed in advance such that when the L-shaped rod 101 is inserted into the square hole 107, the combined center of the two centering claws 104 coincides with the center of the base 202, and since the second thread directions of the two ends of the centering screw 106 are opposite, the two centering claws 104 move in opposite directions or in the same direction by screwing the centering screw 106, but it is easy to know that the combined center of the two centering claws 104 is not changed;
therefore, when the eccentric hole of the eccentric part main body 201 is centered, the L-shaped rod 101 is continuously inserted into the square hole 107, so that the two centering claws 104 are inserted into the eccentric hole of the eccentric part main body 201, the centering screw 106 is screwed, so that the two centering claws 104 are slowly tensioned in the eccentric hole, when the two centering claws 104 are tensioned to the limit positions, the moving plate 205 and the moving block 211 move in a matched manner, the combined center of the two centering claws 104 is overlapped with the center of the eccentric hole of the eccentric part main body 201, and therefore the center of the eccentric hole of the eccentric part main body 201 is overlapped with the center of the base 202 with high precision;
the eccentric shaft centering of the eccentric part body 201 is similar except that the centering jaws 104 are changed from tension to clamping;
referring to fig. 1, after the centering is completed, the fastening screw 301 is screwed so that the fastening strip 302 and the base plate 303 clamp and fix the convex strip 304, thereby completing the fixing.
Specifically, the right side of the moving plate 205 is fixedly connected with a convex strip 304, the front side of the right side of the base 202 is fixedly connected with a vertical rod 305, the rear side of the right side of the base 202 is rotatably connected with a fastening screw 301, the lower part of the fastening screw 301 is rotatably connected with a bottom plate 303, the upper part of the fastening screw 301 is in threaded connection with a fastening strip 302, the front end of the fastening strip 302 is slidably connected above the vertical rod 305, the front end of the bottom plate 303 is fixedly connected below the vertical rod 305, and the upper surface of the bottom plate 303 abuts against the lower surface of the convex strip 304.
A limiting rod 207 is fixedly connected between the two baffles 210, and the surface of the limiting rod 207 is connected with the front end of the fixed claw 209 in a sliding manner.
Both ends of the fixing screw rod 206 are provided with first threads, and the directions of the first threads are opposite.
A positioning rod 105 is fixedly connected above the two fixing plates 102, and the top of the movable bar 103 is slidably connected with the positioning rod 105.
And second threads are arranged at two ends of the centering screw 106, and the directions of the second threads are opposite.
An eccentric member body 201 is provided on the upper surface of the moving plate 205 at a position between the two fixed claws 209.
The combined center of the two centering claws 104 coincides with the center of the base 202 in the vertical direction.
The utility model discloses a theory of operation and use flow: by arranging the moving plate 205, the moving block 211, the moving bar 103 and the centering claws 104, the eccentric part main body 201 can be moved in a wide range by moving the moving plate 205 and the moving block 211, so that the center of a hole or a shaft of the eccentric part main body 201 is approximately overlapped with the center of the base 202 in the vertical direction, and by tensioning or clamping the centering claws 104, the center of a hole or a shaft of the eccentric part main body 201 is finally and accurately overlapped with the center of the base 202 in the vertical direction, so that the center of a hole or a shaft of the eccentric part main body 201 can be overlapped with the rotation center of the processing machine as long as the base 202 is fixed on the processing machine and the base 202 is overlapped with the rotation center of the processing machine, therefore, the processing is more convenient, the efficiency is higher, and meanwhile, the L-shaped rod 101 can be taken away after the centering is finished, and the rotation processing is not hindered.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The self-centering clamp for machining the eccentric part is characterized by comprising a base (202), vertical plates (203) are fixedly connected to two ends of the front side of the base (202), a plurality of guide rods (208) are fixedly connected between the two vertical plates (203), a moving block (211) is slidably connected to the middle of each guide rod (208), a plurality of sliding rods (204) are fixedly connected to the rear side of each moving block (211), a moving plate (205) is slidably connected to the rear side surface of each sliding rod (204), baffle plates (210) are fixedly connected to two ends of the front side of the upper surface of each moving plate (205), a fixing screw (206) is rotatably connected between the two baffle plates (210), fixing claws (209) are respectively in threaded connection with two sides of each fixing screw (206), a square hole (107) is formed in the left side of the upper surface of the base (202) in a penetrating manner, an L-shaped rod (101) is slidably connected in the square hole (107), and two fixing plates (102) are fixedly connected to the bottom of the right end of the L-shaped rod (101), a centering screw (106) is rotatably connected between the two fixing plates (102), both sides of the centering screw (106) are in threaded connection with a moving strip (103), and the bottom of the moving strip (103) is fixedly connected with a centering claw (104).
2. The self-centering fixture for machining eccentric parts according to claim 1, wherein: moving plate (205) right side fixedly connected with sand grip (304), base (202) right side front side fixedly connected with pole setting (305), base (202) right side rear side rotates and is connected with fastening screw (301), fastening screw (301) below part rotates and is connected with bottom plate (303), fastening screw (301) top part threaded connection has fastening strip (302), fastening strip (302) front end sliding connection is in pole setting (305) top, bottom plate (303) front end fixed connection is in pole setting (305) below, bottom plate (303) upper surface butt in the lower surface of sand grip (304).
3. The self-centering fixture for machining eccentric parts according to claim 1, wherein: two fixedly connected with gag lever post (207) between baffle (210), gag lever post (207) surface and stationary dog (209) front end sliding connection.
4. The self-centering fixture for machining eccentric parts according to claim 1, wherein: both ends of the fixing screw rod (206) are provided with first threads, and the directions of the first threads are opposite.
5. The self-centering fixture for machining eccentric parts according to claim 1, wherein: a positioning rod (105) is fixedly connected above the two fixing plates (102), and the top of the movable strip (103) is connected with the positioning rod (105) in a sliding manner.
6. The self-centering fixture for machining eccentric parts according to claim 1, wherein: and second threads are arranged at two ends of the centering screw rod (106) and are opposite in direction.
7. The self-centering fixture for machining eccentric parts according to claim 1, wherein: an eccentric part main body (201) is arranged on the upper surface of the moving plate (205) between the two fixed claws (209).
8. The self-centering fixture for machining eccentric parts according to claim 1, wherein: the combined center of the two centering claws (104) is vertically coincident with the center of the base (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123415431.9U CN217193978U (en) | 2021-12-31 | 2021-12-31 | Self-centering clamp for machining eccentric parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123415431.9U CN217193978U (en) | 2021-12-31 | 2021-12-31 | Self-centering clamp for machining eccentric parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217193978U true CN217193978U (en) | 2022-08-16 |
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ID=82788381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123415431.9U Active CN217193978U (en) | 2021-12-31 | 2021-12-31 | Self-centering clamp for machining eccentric parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217193978U (en) |
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2021
- 2021-12-31 CN CN202123415431.9U patent/CN217193978U/en active Active
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