CN210818576U - Short shaft high-precision quick clamping device - Google Patents

Short shaft high-precision quick clamping device Download PDF

Info

Publication number
CN210818576U
CN210818576U CN201921419904.2U CN201921419904U CN210818576U CN 210818576 U CN210818576 U CN 210818576U CN 201921419904 U CN201921419904 U CN 201921419904U CN 210818576 U CN210818576 U CN 210818576U
Authority
CN
China
Prior art keywords
plate
clamping
short
shaft
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921419904.2U
Other languages
Chinese (zh)
Inventor
张进利
何娟娟
马晅
卞晓磊
宋晓欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSSC Nanjing Luzhou Machine Co Ltd
Original Assignee
CSSC Nanjing Luzhou Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CSSC Nanjing Luzhou Machine Co Ltd filed Critical CSSC Nanjing Luzhou Machine Co Ltd
Priority to CN201921419904.2U priority Critical patent/CN210818576U/en
Application granted granted Critical
Publication of CN210818576U publication Critical patent/CN210818576U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a quick clamping device of minor axis high accuracy, include transition base and install the device main part on transition base, transition base is connected with the rotary worktable of lathe, the device main part has cylindrical cavity the inside of cylindrical cavity is provided with bottom flange, upper portion flange, gear pressure disk, spring clamp cover and the opening circle that can be used to the clamping minor axis, gear pressure disk meshes with the pinion subassembly mutually. The utility model has the advantages that can press from both sides tight minor axis fast, with high accuracy, have the clamping high efficiency, self-centering, save the advantage of manual work volume.

Description

Short shaft high-precision quick clamping device
Technical Field
The utility model relates to a quick clamping device of minor axis high accuracy, concretely relates to quick clamping technique of minor axis high accuracy on machining rotary worktable belongs to machining technical field.
Background
The clamping of the existing short shaft on a rotary worktable is that brackets are arranged in four directions of the periphery of the shaft, manual clamping jaws are arranged on the brackets, the rotary worktable is rotated during clamping to beat a meter to correct a workpiece, the clamping jaws on the four brackets are manually adjusted, and the center of the short shaft is consistent with the rotary center of the worktable after repeated adjustment. The existing clamping method has the following defects:
firstly, a rotary worktable of a machine tool needs to be rotated to perform surface printing and workpiece correction, and at the moment, an operator needs to stand on the rotary worktable to observe clamping precision, so that the machine tool has high danger;
secondly, the short shaft is clamped by the four clamping jaws on the bracket, the clamping surface is small, the clamping force at the clamping contact position is large, and the surface of the workpiece has obvious clamping traces;
thirdly, self-centering can not be realized, the jaws need to be adjusted repeatedly, and the meter is printed and corrected repeatedly, so that the clamping time is long, and the efficiency is low;
fourthly, the four clamping jaws are manually adjusted, so that the manual workload is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects in the prior art, the short shaft high-precision quick clamping device is provided, can realize the high-precision and quick clamping of the short shaft under the conditions that a machine tool does not repeatedly correct a workpiece and repeatedly adjust the workpiece and a tool, and has the advantages of simplicity in operation, safety, reliability and the like.
In order to achieve the above purpose, the utility model provides a quick clamping device of minor axis high accuracy, include transition base and install the device main part on transition base, transition base is connected with the rotary worktable of lathe, the device main part has cylindrical cavity's inside is provided with bottom flange, upper portion flange, gear pressure disk, spring clamp cover and the opening circle that can be used to the clamping minor axis, gear pressure disk meshes with pinion subassembly (8) mutually.
The utility model discloses a transition base links to each other with lathe rotary worktable, makes the inside bottom flange of device main part can install on transition base, when the minor axis is packed into the device main part inside, bottom flange can realize the short axis bottom quick, the high accuracy is centering to can change bottom flange according to the minor axis of different specifications, pinion assembly, upper portion flange, gear pressure disk, spring clamp cover and opening circle combined action can realize the quick on minor axis upper portion, the high accuracy is centering simultaneously. When minor axis upper portion presss from both sides tight location, can use pneumatic tool drive pinion subassembly, the rotating gear pressure disk compresses tightly the spring jacket to the diameter deformation of spring jacket cramps the opening circle, thereby presss from both sides tight inside minor axis, realizes high accuracy self-centering clamping, avoids the workman to rectify on the pivoted workstation, has improved the operational safety nature.
Further, the device main part includes anchor clamps body, upper portion support and top closing cap that connect gradually from bottom to top, the anchor clamps body is installed on the transition base.
Like this, use the anchor clamps body to link to each other with the transition base, adopt parts such as anchor clamps body strutting arrangement upper portion support, top closing cap to can change the anchor clamps body according to the minor axis of different length.
Furthermore, the upper support comprises a cylindrical support body and a first annular bottom plate arranged on the support body, a group of arc-shaped cylinder sleeves protruding outwards are uniformly arranged on the outer circumferential surface of the support body, and a pinion assembly is arranged in each arc-shaped cylinder sleeve; the top closing cap includes the annular closing cap body of circle evenly the system has a set of arc bulge that outwards extends on the outer periphery of closing cap body, circular through-hole has on the arc bulge, circular through-hole can cooperate with pinion assembly's upper portion the system has the annular on the interior disc of closing cap body, be provided with O type sealing washer in the annular.
In the above structure, the upper bracket is used as the mounting location of the stub axle upper clamping structure (i.e., the upper locating flange, gear platen, pinion assembly, top cover, collar, spring collet, etc.). The pinion assembly arranged in the upper support can drive the pinion of the upper support to rotate by using a pneumatic tool (such as a driving cylinder), so that the clamping operation is quickly completed, the working efficiency is high, and the manual workload is saved.
Further, the pinion assembly comprises a gland, an upper bearing, a lower bearing, a pinion and a lip-shaped framework sealing ring, the pinion is arranged between the upper bearing and the lower bearing, the lip-shaped framework sealing ring is arranged between the pinion and the gland, the gland is sleeved on the upper bearing, and the gland is fixedly connected with the arc-shaped protruding part of the top sealing cover through a fixing bolt.
Furthermore, the transition base comprises a base top plate and a base bottom plate, a plurality of vertically arranged base reinforcing plates are arranged between the base top plate and the base bottom plate, a plurality of T-shaped grooves which are uniformly distributed along the radial direction are formed in the upper surface of the base top plate, and second bolts are arranged in cooperation with the T-shaped grooves; the clamp body comprises a clamp top plate and a clamp bottom plate, a plurality of vertically arranged clamp reinforcing plates are arranged between the clamp top plate and the clamp bottom plate, a plurality of U-shaped holes which are uniformly distributed along the radial direction are formed in the upper surface of the clamp bottom plate, and the second bolt penetrates through the T-shaped groove and then is fixed in the U-shaped holes.
Furthermore, the bottom positioning flange is arranged at the bottom of the short shaft and is fixedly connected with the transition base through a first bolt, the upper positioning flange is arranged at the upper part of the short shaft and is fixedly connected with the clamp body through a third bolt, the gear pressure plate is sleeved outside the upper positioning flange, a spring clamping sleeve is arranged in the upper positioning flange, and an opening ring is arranged in the spring clamping sleeve.
Furthermore, the gear pressure plate comprises a pressure plate body with an inverted L-shaped cross section, an outward convex gear ring is arranged on the outer circumferential surface of the pressure plate body, the gear ring is meshed with an outer gear of the pinion assembly, and the pressure plate body is provided with self-locking internal threads.
Therefore, the gear pressure plate is connected with the upper positioning flange through self-locking threads, the pinion assembly rotates to drive the inner gear pressure plate when the pressing operation is carried out, the gear pressure plate can move downwards along the threads, otherwise, the pinion assembly rotates in the opposite direction under the driving of a pneumatic tool, and the gear pressure plate is further driven to move upwards along the threads. Meanwhile, the gear pressure plate is connected with the spring jacket through a clamping ring, so that the gear pressure plate can synchronously drive the spring jacket to move up and down when moving up and down along the threads.
Further, the bottom positioning flange comprises a first cylinder and a second annular bottom plate arranged at the bottom end of the first cylinder, and an inner ring of the second annular bottom plate is provided with an inclined surface; the upper positioning flange comprises a second cylinder, and self-locking external threads matched with the self-locking internal threads are formed on the outer circumferential surface of the second cylinder.
Furthermore, the gear pressure plate is fixedly connected with the clamping ring through a fifth bolt, the clamping ring is clamped into the clamping groove of the spring jacket, and the top of the spring jacket is in contact connection with the gear pressure plate.
Furthermore, a first conical surface is arranged on the inner wall of the second cylinder, a second conical surface is arranged on the outer wall of the spring jacket, and the first conical surface is matched with the second conical surface.
In the structure, the upper positioning flange and the spring jacket are designed with matching conical surfaces, when the gear pressure plate drives the spring jacket to move downwards, the gear pressure plate presses the spring jacket towards the inside of the upper positioning flange along the conical surface of the spring jacket, so that the spring jacket is forced to deform in diameter along the conical surface, and the diameter of the upper part of the spring jacket is reduced. Because the device is designed with an opening ring, when the gear pressure plate presses the spring jacket, the spring jacket is uniformly hooped from the circumference of the opening ring so as to reduce the diameter of the opening ring and further uniformly clamp the inner short shaft. Therefore, the gear pressure plate and the compression spring jacket clamp the short shaft tightly, the encircling type rapid clamping can be realized, and the surface of the workpiece has no clamping trace.
The utility model has the advantages that can press from both sides tight minor axis fast, with high accuracy, have the clamping high efficiency, self-centering, save the advantage of manual work volume.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall design of the present invention.
Fig. 2 is a schematic view of the overall assembly of the present invention.
Fig. 3 is a schematic structural diagram of the middle transition base of the present invention.
Fig. 4 is a schematic structural view of the middle clamp body of the present invention.
Fig. 5 is a schematic structural view of the middle upper support of the present invention.
Fig. 6 is a schematic structural view of the top cover of the present invention.
Fig. 7 is a schematic structural view of the middle bottom positioning flange of the present invention.
Fig. 8 is a schematic structural view of the middle upper positioning flange of the present invention.
Fig. 9 is a schematic view of a cross-sectional structure of the middle gear pressure plate of the present invention.
Fig. 10 is a schematic structural view of the pinion assembly of the present invention.
Fig. 11 is a schematic structural view of the spring clip cover of the present invention.
Fig. 12 is a schematic structural view of the middle opening ring of the present invention.
Fig. 13 is a schematic structural view of a machining tool used in the present invention.
Fig. 14 is a schematic structural view of a short shaft of an application object of the present invention.
Fig. 15 is a schematic structural view of the middle clip ring of the present invention.
In the figure: 1. the fixture comprises a transition base, 101, a base top plate, 102, a base bottom plate, 103, a base reinforcing plate, 104, a convex edge, 105, a bottom positioning flange installation cavity, 106, a U-shaped groove, 107, a T-shaped groove, 2, a fixture body, 201, a fixture top plate, 202, a fixture bottom plate, 203, a fixture reinforcing plate, 204, a U-shaped hole, 3, an upper support, 301, a support body, 302, a first annular bottom plate, 303, an arc-shaped sleeve, 4, a top sealing cover, 401, a sealing body, 402, an arc-shaped bulge, 403, a sealing annular groove, 5, a bottom positioning flange, 501, a first cylinder, 502, a second annular bottom plate, 6, an upper positioning flange, 601, a second cylinder, 602, an annular convex edge, 603, self-locking external threads, 7, a gear pressure plate, 701, a pressure plate body, 702, a gear ring, 703, self-locking internal threads, 8, a pinion assembly, 801, an upper bearing, 802, a, 804. the bearing comprises a lower bearing, 805, a lip-shaped framework sealing ring, 9, a spring jacket, 10, an opening ring, 11, a machining tool, 12, a short shaft, 13, a first bolt, 14, a second bolt, 15, a third bolt, 16, a fourth bolt, 17, a fifth bolt, 18, a sixth bolt, 19, a first screw, 20, an O-shaped sealing ring and 21, a clamping ring.
Detailed Description
Example one
A short shaft high-precision quick clamping device is structurally shown in figures 1 and 2 and comprises a transition base 1 connected with a rotary table of a machine tool and a device body arranged on the transition base 1, wherein the device body is provided with a cylindrical cavity, a short shaft 12 with a machining tool 11 is arranged in the cylindrical cavity, a bottom positioning flange 5, an upper positioning flange 6, a gear pressure plate 7, a spring jacket 9, an open ring 10 and a set of standard fasteners (the set of standard fasteners comprise a first bolt 13, a second bolt 14, a third bolt 15, a fourth bolt 16, a fifth bolt 17, a sixth bolt 18 and a first screw 19) and sealing elements (the sealing elements comprise an O-shaped sealing ring 20 and a lip-shaped framework sealing ring 805) are further arranged in the cylindrical cavity, and the gear pressure plate 7 is meshed with a pinion assembly 8 through a tooth form. The device main part includes anchor clamps body 2, upper portion support 3 and top closing cap 4 that connect gradually by supreme down, and anchor clamps body 2 passes through second bolt 14 and transition base 1 fixed connection, and upper portion support 3 passes through fastening bolt and links to each other with anchor clamps body 2, and upper portion support 3 passes through fourth bolt 16 fixed connection with top closing cap 4, through first screw 19 fixed connection between upper portion support 3 and the anchor clamps body 2. The O-ring 20 is disposed in the seal ring groove 403 of the top closure 4. Bottom flange 5 sets up in the bottom of minor axis 12 and through first bolt 13 and transition base 1 fixed connection, upper portion flange 6 sets up in the upper portion of minor axis 12 and through third bolt 15 and anchor clamps body 2 fixed connection, gear pressure disk 7 cover is outside upper portion flange 6 and gear pressure disk 7 links to each other with upper portion flange 6 through self-locking screw thread, be equipped with spring jacket 9 in upper portion flange 6, be equipped with opening circle 10 in the spring jacket 9, gear pressure disk 7 is connected through fifth bolt 17 and rand 21 with spring jacket 9, opening circle 10 is the contact connection with spring jacket 9 and minor axis 12.
As shown in fig. 3, the transition base 1 includes a base top plate 101 and a base bottom plate 102, a plurality of vertically arranged base reinforcing plates 103 are disposed between the base top plate 101 and the base bottom plate 102, a convex edge 104 is disposed on an outer ring of the base bottom plate 102, a plurality of U-shaped grooves 106 uniformly distributed along a radial direction are formed on the convex edge 104, a sixth bolt 18 is disposed in cooperation with the U-shaped grooves 106, and the transition base 1 is fixedly connected to the rotary table through the sixth bolt 18. The upper surface of the base top plate 101 is provided with a plurality of T-shaped grooves 107 which are uniformly distributed along the radial direction, and the second bolts 14 are matched with the T-shaped grooves 107. Have a bottom flange mounting cavity 105 in the middle part of transition base 1, bottom flange 5 is equipped with in the flange mounting cavity 105 of bottom location to bottom flange mounting cavity 105 has the annular installation piece in, has the first screw of round on the annular installation piece, and the lower extreme of first bolt 13 inserts in the first screw. As shown in fig. 4, the clamp body 2 includes a clamp top plate 201 and a clamp bottom plate 202, a plurality of vertically arranged clamp reinforcing plates 203 are disposed between the clamp top plate 201 and the clamp bottom plate 202, a plurality of U-shaped holes 204 uniformly distributed along a radial direction are formed in the upper surface of the clamp bottom plate 202, the U-shaped holes 204 and the T-shaped grooves 107 are arranged in a one-to-one correspondence manner, the second bolts 14 pass through the T-shaped grooves 107 and then are fixed in the U-shaped holes 204, and the bottom plate 202 of the clamp body 2 is fixedly connected with the base top plate 101 of the transition base 1 through the second bolts 14. The middle part of the clamp body 2 is provided with a cylindrical cavity, and the middle part of the rotating shaft 12 is arranged in the cavity. The inner side edge part of the clamp top plate 201 is provided with a circle of second screw holes, the outer side edge part is provided with a third screw hole, the lower end of a third bolt 15 is inserted into the second screw holes, and the lower end of a first screw 19 is inserted into the third screw holes. As shown in fig. 5, the upper bracket 3 includes a cylindrical bracket body 301 and a first annular bottom plate 302 disposed at the bottom end of the bracket body 301, the bracket body 301 and the first annular bottom plate 302 are both sleeved on the upper portion of the short shaft 12, three arc-shaped sleeves 303 protruding outwards are uniformly formed on the outer circumferential surface of the bracket body 301, a pinion assembly 8 is disposed in the arc-shaped sleeves 303, a circle of fourth screw holes are disposed on the first annular bottom plate 302, and the upper portions of the first screws 19 are inserted into the fourth screw holes. As shown in fig. 6, the top sealing cover 4 includes a circular sealing cover body 401, the sealing cover body 401 is sleeved on the top end of the short shaft 12, three arc-shaped protrusions 402 extending outwards are uniformly formed on the outer circumferential surface of the sealing cover body 401, circular through holes are formed on the arc-shaped protrusions 402, the top sealing cover 4 is fixedly connected with the bracket body 301 through the fourth bolts 16, a sealing ring groove 403 is formed on the inner circumferential surface of the sealing cover body 401, and an O-ring 20 is arranged in the sealing ring groove 403. As shown in fig. 7, the bottom positioning flange 5 includes a first cylinder 501 and a second annular bottom plate 502 disposed at the bottom end of the first cylinder 501, an inner ring of the second annular bottom plate 502 has an inclined surface, a circle of fourth screw holes is formed in the second annular bottom plate 502, and the upper ends of the first bolts 13 are disposed in the fourth screw holes. As shown in fig. 8, the upper positioning flange 6 includes a second cylinder 601, an annular flange 602 extending horizontally outward is provided at the bottom of the second cylinder 601, a self-locking external thread 603 is provided on the outer circumferential surface of the second cylinder 601, a sixth screw hole is provided on the annular flange 602, and the upper end of the third bolt 15 is inserted into the sixth screw hole. As shown in fig. 9, the gear platen 7 includes a platen body 701 having an inverted L-shaped cross section, the platen body 701 is annular, a gear ring 702 protruding outward is provided on an outer circumferential surface of the platen body 701, the platen body 701 has a self-locking internal thread 703, and the self-locking internal thread 703 is engaged with a self-locking external thread 603 of the upper positioning flange 6. As shown in fig. 10, the pinion assembly 8 includes a gland 802, an upper bearing 801, a lower bearing 804, a pinion 803, and a lip-shaped skeleton seal 805, the pinion 803 is disposed between the upper bearing 801 and the lower bearing 804, the lip-shaped skeleton seal 805 is disposed between the pinion 803 and the gland 802, the gland 802 is fitted over the upper bearing 801, the pinion 803 is engaged with the gear ring 702, and four fixing bolts for connecting the pinion assembly 8 and the top cover 4 are disposed on the gland 802. As shown in fig. 11, the cross section of the spring jacket 9 is circular, 16 crack-stopping holes are formed in the lower portion of the spring jacket 9, the outer wall of the spring jacket 9 has a second tapered surface, the inner wall of the second cylinder 601 of the upper positioning flange 6 has a first tapered surface matching with the second tapered surface, the upper portion of the outer wall of the spring jacket 9 is formed with a clamping groove 901, a clamping ring 21 (see fig. 15 in structure) is clamped into the clamping groove 901 of the spring jacket 9, the clamping ring 21 is fixedly connected with the gear pressure plate 7 through a fifth bolt 17, and the top of the spring jacket 9 is connected with the gear pressure plate 7 in a contact manner. As shown in fig. 12, the open ring 10 includes a ring body, and a slit is formed in the ring body in an axial direction. As shown in fig. 13 and 14, the lower end of the machining tool 11 is provided with a gear shaping cutter head, the upper surface of the stub shaft 12 is provided with an inner hole, and the machining tool 11 is used for machining the inner teeth in the inner hole of the stub shaft 12. As shown in fig. 15, the collar 21 is formed by two semicircular rings and can be inserted into the slot 901 of the spring jacket 9 from the outside, six screw holes are formed in the collar 21, and the gear pressure plate 7 is fixedly connected with the collar 21 through a fifth bolt 17.
This embodiment has designed three pinion subassembly 8, and the equipartition is in 3 weeks of upper portion support, and the quick clamping of this device all can be realized to arbitrary a set of pinion of drive, at actual clamping operation in-process, need not rotate swivel work head, simple operation, high efficiency. In addition, the bottom positioning flange and the clamp body can be replaced in series.
A short shaft high-precision rapid clamping method is characterized by comprising the following steps:
s1, mounting the whole clamping device on a rotary table of the machining equipment through a sixth bolt 18;
s2, placing the short shaft 12 into the cylindrical cavity of the device main body, and using the bottom positioning flange 5 to realize high-precision centering of the bottom of the short shaft 12;
s3, driving any pinion assembly 8 by using a pneumatic tool to drive the gear pressure plate 7 to rotate downwards, and pressing the spring 9 jacket downwards by the gear pressure plate 7;
s4, the spring jacket 9 deforms along the conical surface after being pressed to clamp the open ring 10, and the short shaft 12 is clamped by the open ring 10, so that high-precision centering and stable clamping of the upper part of the short shaft 12 are realized;
s5, when in disassembly operation, a pneumatic tool is adopted to drive any pinion assembly 8 so as to drive the gear pressure plate 7 to rotate upwards, and the gear pressure plate 7 lifts the spring jacket 9 upwards through the clamping ring 21; the spring jacket 9 looses the opening ring 10 along the conical surface reduction deformation after losing the pressure, and the opening ring 10 loosens the stub shaft 12 to realize the loosening and detaching of the stub shaft 12.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (10)

1. The utility model provides a short axle high accuracy quick clamping device which characterized in that: the device comprises a transition base (1) and a device body arranged on the transition base (1), wherein the device body is provided with a cylindrical cavity, a bottom positioning flange (5), an upper positioning flange (6), a gear pressure plate (7), a spring jacket (9) and an opening ring (10) which can be used for clamping a short shaft (12) are arranged inside the cylindrical cavity, and the gear pressure plate (7) is meshed with a pinion component (8).
2. The short-shaft high-precision quick clamping device as claimed in claim 1, wherein: the device main part includes anchor clamps body (2), upper portion support (3) and top closing cap (4) that connect gradually from lower supreme, anchor clamps body (2) are installed on transition base (1).
3. The short-shaft high-precision quick clamping device as claimed in claim 2, wherein: the upper support (3) comprises a cylindrical support body (301) and a first annular bottom plate (302) arranged on the support body (301), a group of arc-shaped cylinder sleeves (303) protruding outwards are uniformly manufactured on the outer circumferential surface of the support body (301), and a pinion assembly (8) is arranged in each arc-shaped cylinder sleeve (303); top closing cap (4) are including annular closing cap body (401) evenly the system has a set of arc bulge (402) of outside extension on the outer periphery of closing cap body (401), circular through-hole has on arc bulge (402), circular through-hole can cooperate with the upper portion of pinion subassembly (8) the system has annular (403) on the interior disc of closing cap body (401), be provided with O type sealing washer (20) in annular (403).
4. The short-shaft high-precision quick clamping device as claimed in claim 3, wherein: pinion subassembly (8) are including gland (802), upper bearing (801), lower bearing (804), pinion (803) and lip skeleton sealing washer (805), pinion (803) set up between upper bearing (801) and lower bearing (804), lip skeleton sealing washer (805) set up between pinion (803) and gland (802), gland (802) cover is on upper bearing (801), gland (802) are through the arc bulge (402) fixed connection of fixing bolt and top closing cap (4).
5. The short-shaft high-precision quick clamping device as claimed in claim 4, wherein: the transition base (1) comprises a base top plate (101) and a base bottom plate (102), a plurality of vertically arranged base reinforcing plates (103) are arranged between the base top plate (101) and the base bottom plate (102), a plurality of T-shaped grooves (107) which are uniformly distributed along the radial direction are formed in the upper surface of the base top plate (101), and second bolts (14) are arranged in a matched manner with the T-shaped grooves (107); the clamp body (2) comprises a clamp top plate (201) and a clamp bottom plate (202), a plurality of vertically arranged clamp reinforcing plates (203) are arranged between the clamp top plate (201) and the clamp bottom plate (202), a plurality of U-shaped holes (204) which are uniformly distributed along the radial direction are formed in the upper surface of the clamp bottom plate (202), and the second bolt (14) penetrates through the T-shaped groove (107) and then is fixed in the U-shaped hole (204).
6. The short-shaft high-precision quick clamping device as claimed in claim 1, wherein: the fixture is characterized in that the bottom positioning flange (5) is arranged at the bottom of the short shaft (12) and is fixedly connected with the transition base (1) through a first bolt (13), the upper positioning flange (6) is arranged at the upper part of the short shaft (12) and is fixedly connected with the fixture body (2) through a third bolt (15), the gear pressure plate (7) is sleeved outside the upper positioning flange (6), a spring jacket (9) is arranged in the upper positioning flange (6), and an opening ring (10) is arranged in the spring jacket (9).
7. The short-shaft high-precision quick clamping device as claimed in claim 6, wherein: gear pressure disk (7) include that the cross-section is pressure disk body (701) of shape of falling L have an outside convex gear circle (702) on the outer periphery of pressure disk body (701), gear circle (702) and the external gear of pinion subassembly (8) mesh mutually pressure disk body (701) have auto-lock internal thread (703).
8. The short-shaft high-precision quick clamping device as claimed in claim 7, wherein: the bottom positioning flange (5) comprises a first cylinder (501) and a second annular bottom plate (502) arranged at the bottom end of the first cylinder (501), and an inclined plane is arranged on the inner ring of the second annular bottom plate (502); the upper positioning flange (6) comprises a second cylinder body (601), and self-locking external threads (603) matched with the self-locking internal threads (703) are formed on the outer circumferential surface of the second cylinder body (601).
9. The short-shaft high-precision quick clamping device as claimed in claim 6, wherein: the gear pressure plate (7) is fixedly connected with the clamping ring (21) through a fifth bolt (17), the clamping ring (21) is clamped in the clamping groove (901) of the spring jacket (9), and the top of the spring jacket (9) is in contact connection with the gear pressure plate (7).
10. The short-shaft high-precision quick clamping device as claimed in claim 8, wherein: the inner wall of the second cylinder (601) is provided with a first conical surface, the outer wall of the spring jacket (9) is provided with a second conical surface, and the first conical surface is matched with the second conical surface.
CN201921419904.2U 2019-08-29 2019-08-29 Short shaft high-precision quick clamping device Active CN210818576U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921419904.2U CN210818576U (en) 2019-08-29 2019-08-29 Short shaft high-precision quick clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921419904.2U CN210818576U (en) 2019-08-29 2019-08-29 Short shaft high-precision quick clamping device

Publications (1)

Publication Number Publication Date
CN210818576U true CN210818576U (en) 2020-06-23

Family

ID=71257516

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921419904.2U Active CN210818576U (en) 2019-08-29 2019-08-29 Short shaft high-precision quick clamping device

Country Status (1)

Country Link
CN (1) CN210818576U (en)

Similar Documents

Publication Publication Date Title
CN103028982B (en) Composite clamp for two-way perforating and edge cutting of ellipsoid end socket
CN106975956A (en) A kind of method for turning round jig and clamping workpiece
CN107081441A (en) A kind of sleeve type work piece inner surface centering and clamping apparatus
CN210818576U (en) Short shaft high-precision quick clamping device
CN202985192U (en) Fixture for turning gear carrier eccentric holes
CN110587341A (en) Short shaft high-precision quick clamping device and clamping method
CN203184775U (en) Gear hob jig
CN101664831B (en) Gear hole self-centering rolling ball clamp
CN205110907U (en) Digit control machine tool graduation cutter head
CN211333022U (en) Assembly fixture of bolt and bolt swivel nut
CN210387834U (en) Gear grinding clamp with anti-sequence-leakage function and capable of realizing quick replacement
CN210413617U (en) Thin-wall part drilling clamp
CN110722453A (en) Polishing clamp
CN111331393A (en) Tool clamp for drilling evenly-divided hole plate
CN209578386U (en) The roller gear clamping workpiece device of roll flute processing
CN214602333U (en) Self-centering gear hobbing clamp
CN215941738U (en) Chain wheel milling complete tool
CN216326057U (en) Pneumatic quick clamping device for circular seam of conduit
CN214642040U (en) Rapid pressing clamp for lathe
CN212145529U (en) Clutch housing milling flutes auxiliary device
CN211866629U (en) Hydraulic chuck tool
CN215147034U (en) Spring clamp tool for centering
CN210967599U (en) Disc filter screen welding frock clamp
CN211072627U (en) Sector gear finish turning tool
CN210819112U (en) Gear pitch circle centering internal grinding tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant