CN209902971U - Clamp for grinding machine - Google Patents

Clamp for grinding machine Download PDF

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Publication number
CN209902971U
CN209902971U CN201920620804.XU CN201920620804U CN209902971U CN 209902971 U CN209902971 U CN 209902971U CN 201920620804 U CN201920620804 U CN 201920620804U CN 209902971 U CN209902971 U CN 209902971U
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China
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spring
fixed
pushing
base
pushing ring
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Application number
CN201920620804.XU
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Chinese (zh)
Inventor
熊建生
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Chongqing Liangde Technology Co.,Ltd.
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Chongqing Harui Trade Co Ltd
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Priority to CN201920620804.XU priority Critical patent/CN209902971U/en
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Abstract

The utility model provides an anchor clamps for grinding machine, include: a base; at least two press from both sides tight executive component, there are two at least tight executive component that press from both sides in standing groove department around, each presss from both sides tight executive component and all includes: the clamping device comprises a clamping arm, a connecting rod and a first spring, wherein one end of the clamping arm extends into the placing groove, the other end of the clamping arm extends into an annular cavity formed in the base, the annular cavity surrounds the placing groove, and the clamping arm is fixed to one end of the connecting rod located in the annular cavity; and a pushing assembly comprising: the annular cavity is internally provided with the pushing ring, the pushing ring surrounds all the clamping arms, an inner hole of the pushing ring is in a cone frustum shape, the inner wall of the inner hole of the pushing ring is tightly attached to the clamping arms, the top surface of the pushing ring is fixed to the at least two pushing rods, and the pushing rods penetrate out of the top surface of the base. A anchor clamps for grinding machine solves among the prior art because of need rotatory screw rod many rings and lead to the troublesome problem of operation.

Description

Clamp for grinding machine
Technical Field
The utility model relates to an equipment is used in the bearing processing, concretely relates to anchor clamps for grinding machine.
Background
In the bearing machining process, the circular bearing inner hole needs to be turned and milled, so that flaws on the wall of the inner hole of the bearing are eliminated, and the requirement on the precision of the inner hole of the bearing is met.
In the prior art, a bearing clamp includes: the base, first centre gripping arm, the second centre gripping arm, the slider, mount pad and screw rod, the base is used for a support bearing terminal surface, be fixed with first centre gripping arm on the base, first centre gripping arm provides the first arcwall face that is used for pressing from both sides tight bearing, install the second centre gripping arm by first centre gripping arm, the second centre gripping arm provides the second arcwall face that is used for pressing from both sides tight bearing, first arcwall face and second arcwall face press from both sides tight bearing, second centre gripping arm fixed mounting is on the slider, the slider can be installed on the base with sliding, the slider is leading downwards moving in the direction of keeping away from or being close to first centre gripping arm at the base, second centre gripping arm articulates in screw rod one end, the screw rod passes a mount pad, screw rod and mount pad threaded connection, the mount pad is fixed on the base. Although the clamp can clamp the bearing through the adjusting screw rod, the clamp still has the following defects:
before the bearing is clamped, the screw rod needs to be rotated for multiple circles, so that the distance between the second clamping arm and the first clamping arm is large enough, and after the bearing is placed between the first clamping arm and the second clamping arm, the screw rod needs to be rotated for multiple circles, and the screw rod is troublesome to rotate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anchor clamps for grinding machine solves among the prior art and leads to the troublesome poeration's problem because of the many rings of rotatory screw rod of needs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a jig for a grinding machine comprising:
the top surface of the base is sunken to form a placing groove, and the placing groove is used for placing a bearing;
at least two press from both sides tight executive component, there are two at least tight executive component that press from both sides in standing groove department around, each presss from both sides tight executive component and all includes: the clamping arm, the connecting rod and the first spring, one end of the clamping arm extends into the placing groove, the other end of the clamping arm extends into an annular cavity formed in the base, the annular cavity surrounds the placing groove, the clamping arm is fixed to one end of the connecting rod located in the annular cavity, the other end of the connecting rod is fixed to one end of the first spring, the other end of the first spring is fixed to the inner wall of the annular cavity, and the clamping arm can be kept away from a bearing in the placing groove under the elastic force of the first spring; and
a pushing assembly, comprising: the pushing ring is arranged in the annular cavity and surrounds all the clamping arms, an inner hole of the pushing ring is in a cone frustum shape, the inner wall of the inner hole of the pushing ring is tightly attached to the clamping arms, the large end of the inner hole of the pushing ring is located above the small end of the inner hole of the pushing ring, the top surface of the pushing ring is fixed to the at least two pushing rods, the pushing rods penetrate out of the top surface of the base and are used for guiding the pushing ring to move in the vertical direction, the bottom of the pushing ring is connected to one ends of the at least two second springs, the other ends of the second springs are fixed to the inner wall of the annular cavity, and the inner wall of the small end of the inner hole of the pushing ring can be kept tightly attached to the clamping arms under the elastic force of the second.
Preferably, the jig for a grinding machine further includes: and the limiting assembly is arranged at the joint of the pushing ring and the base and is used for allowing or limiting the downward movement of the pushing ring.
Preferably, the spacing assembly comprises: the limiting rod is fixed to one end of the third spring, the other end of the third spring is fixed to the mounting block, and when the inner wall of the small end of the inner hole of the push ring is tightly attached to the clamping arm, the limiting rod can be kept to support the push ring under the spring elasticity.
Preferably, the spacing assembly comprises: the supporting shoe, the rotation axis, the square bar, press a section of thick bamboo, first chucking part, second chucking part and fourth spring, the supporting shoe sets up the annular cavity, the supporting shoe is fixed to on the rotation axis lateral wall, the rotation axis is worn out the base and is connected with square bar one end, the square bar other end inserts to pressing a section of thick bamboo one end, press a section of thick bamboo around outside the square bar, the square bar can not press a section of thick bamboo relatively and rotate, press and install first chucking part on the section of thick bamboo, first chucking part can be with the chucking of second chucking part, the relative base of second chucking part is fixed, press a section of thick bamboo and fix to fourth spring one end, the fourth spring other end is fixed to the base, can keep first chucking part and the chucking of second chucking part under fourth spring force.
Preferably, the spacing subassembly still includes: the installation cylinder surrounds the square rod, a gap is reserved between the installation cylinder and the square rod, the installation cylinder is fixed with the base, and the installation cylinder is used for installing the second clamping part.
Preferably, the first clamping part is an internal gear.
Preferably, the second clamping part is an internal gear.
Preferably, the hole of the base through which the rotating shaft passes is a rotating hole, the inner wall of the rotating hole is recessed to form a mounting groove, a coil spring is convoluted in the mounting groove, the inner end of the coil spring is fixed to the rotating shaft, the outer end of the coil spring is fixed to the inner wall of the mounting groove, and the rotating shaft can be kept to support the push ring through the supporting block under the elastic force of the coil spring.
Compared with the prior art, the utility model discloses following beneficial effect has:
by arranging the first spring, the bearing of all the clamping arms is automatically released under the elastic force of the first spring after the pushing ring does not extrude the clamping arms; through setting up the throw-away collar, second spring and catch bar, the catch bar has carried out the direction to the motion of throw-away collar, through pressing the catch bar, can force the short inner wall in promotion intra-annular hole and the effect of centre gripping arm, thereby realized providing the space for the release of centre gripping arm, second spring force has realized that the throw-away collar resets, in order to keep the effect of throw-away collar hole tip inner wall and centre gripping arm, force the tight bearing of clamp arm clamp, the operation is made things convenient for, realize only through promoting the catch bar motion, avoided the rotatory screw rod many times and lead to the troublesome poeration, operation steps have been optimized.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a jig for a grinding machine in embodiment 1;
FIG. 2 is a schematic view showing the structure of a jig for a grinding machine in embodiment 2;
fig. 3 is an enlarged view of a portion a in fig. 2.
Reference numerals: the clamping device comprises a base 1, a placing groove 11, an annular cavity 12, a clamping executing component 2, a clamping arm 21, a connecting rod 22, a first spring 23, a pushing component 3, a pushing ring 31, a second spring 32, a pushing rod 33, a limiting component 5, a limiting rod 51, a third spring 52, a mounting block 53, a supporting block 51 ', a rotating shaft 52 ', a square rod 50 ', a pressing cylinder 53 ', a first clamping part 54 ', a second clamping part 55 ', a fourth spring 56 ', a coil spring 57 ' and a mounting cylinder 58 '.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:
example 1:
as shown in fig. 1, the utility model provides a fixture for grinding machine, include:
the bearing mounting structure comprises a base 1, wherein a placing groove 11 is formed by recessing the top surface of the base 1, and the placing groove 11 is used for placing a bearing;
at least two clamping executing assemblies 2 are surrounded at the placing groove 11, and each clamping executing assembly 2 comprises: the clamping device comprises a clamping arm 21, a connecting rod 22 and a first spring 23, wherein one end of the clamping arm 21 extends into the placing groove 11, the other end of the clamping arm 21 extends into an annular cavity 12 formed in the base 1, the annular cavity 12 surrounds the placing groove 11, the clamping arm 21 is fixed to one end of the connecting rod 22 located in the annular cavity 12, the other end of the connecting rod 22 is fixed to one end of the first spring 23, the other end of the first spring 23 is fixed to the inner wall of the annular cavity 12, and the clamping arm 21 can be kept away from a bearing in the placing groove 11 under the elastic force of the first spring 23; and
a pushing assembly 3, comprising: the pushing ring 31 is arranged in the annular cavity 12, the pushing ring 31 surrounds outside all the clamping arms 21, inner holes of the pushing ring 31 are in a cone frustum shape, inner walls of inner holes of the pushing ring 31 are tightly attached to the clamping arms 21, a large end of an inner hole of the pushing ring 31 is located above small ends of inner holes of the pushing ring 31, the top surface of the pushing ring 31 is fixed to the at least two pushing rods 33, the pushing rods 33 penetrate out of the top surface of the base 1, the pushing rods 33 are used for guiding the pushing ring 31 to move in the vertical direction, the bottom of the pushing ring 31 is connected to one ends of the at least two second springs 32, the other ends of the second springs 32 are fixed to the inner wall of the annular cavity 12, and the inner walls of the small ends of the inner holes of the pushing ring 31 can be kept tightly attached to the clamping arms 21 under the elastic force of the second springs.
In order to avoid that the finish milling work cannot be continued due to the pushing rod 33 being pressed by mistake during the operation, the clamp for the grinding machine further comprises: and the limiting assembly 5, the limiting assembly 5 is installed at the joint of the pushing ring 31 and the base 1, and the limiting assembly 5 is used for allowing or limiting the downward movement of the pushing ring 31. It is achieved that the pushing ring 31 is not easily moved even if the pushing rod 33 is pushed, and the pushing ring 31 is lowered only after the stopper assembly 5 releases the pushing ring 31.
In order to design the spacing assembly 5 with a simple structure, the spacing assembly 5 comprises: gag lever post 51, third spring 52 and installation piece 53, gag lever post 51 one end stretches into to the installation intracavity, and gag lever post 51 is worn out from base 1 lateral wall, and gag lever post 51 other end is fixed to installation piece 53, and installation piece 53 is fixed to third spring 52 one end, and third spring 52 other end is fixed to installation piece 53, can keep gag lever post 51 to support push ring 31 under spring force when pushing away ring 31 hole tip inner wall and centre gripping arm 21 and hugging closely.
The working principle of the embodiment is as follows: firstly, the mounting block 53 is pulled, so that the limiting rod 51 moves towards the direction away from the push ring 31, the limiting rod 51 is positioned at the position where the pushing ring 31 is not blocked to be lowered, and the state is kept; then, the pushing rod 33 is pressed, the pushing ring 31 descends, the large section of the inner hole of the pushing ring 31 is aligned with the clamping arms 21, all the clamping arms 21 are opened under the elastic force of the first spring 23, and the gaps among all the clamping arms 21 are large enough to facilitate the subsequent placement of the bearing among all the clamping arms 21; then, the bearing is held by hand and placed between all the clamping arms 21; then, the pushing rod 33 is released, the second spring 32 lifts the pushing ring 31, the inner wall of the small end of the pushing ring 31 acts on the clamping arm 21, and the inner wall of the small end of the pushing ring 31 forces the clamping arm 21 to clamp the bearing; finally, the mounting block 53 is released, and the stopper rod 51 is positioned to support the push ring 31 under the elastic force of the third spring 52.
Example 2:
the difference between this example and example 1 is: in the embodiment, only the structure of the limiting assembly 5 is improved on the contact of the embodiment 1, and other structures are not changed.
As shown in fig. 2 and 3, in order to design the stopper assembly 5 having a simple structure, the stopper assembly 5 includes: a supporting block 51 ', a rotating shaft 52', a square rod 50 ', a pressing cylinder 53', a first clamping part 54 ', a second clamping part 55' and a fourth spring 56 ', wherein the supporting block 51' is arranged in the annular cavity 12, the supporting block 51 'is fixed on the side wall of the rotating shaft 52', the rotating shaft 52 'penetrates through the base 1 and is connected with one end of the square rod 50', the other end of the square rod 50 'is inserted into one end of the pressing cylinder 53', the pressing cylinder 53 'surrounds outside the square rod 50', the square rod 50 'cannot rotate relative to the pressing cylinder 53', the pressing cylinder 53 'is provided with the first clamping part 54', the first clamping part 54 'can be clamped with the second clamping part 55', the second clamping part 55 'is fixed relative to the base 1, the pressing cylinder 53' is fixed at one end of the fourth spring 56 ', the other end of the fourth spring 56' is fixed to the base 1, the first catching portion 54 ' can be kept caught to the second catching portion 55 ' by the elastic force of the fourth spring 56 '. The fourth spring 56 ' allows the pressing cylinder 53 ' to rotate at a certain angle with respect to the base 1, and the fourth spring 56 ' can be twisted.
In order to realize the installation of the second clamping part 55 'and avoid the installation of the second clamping part 55' from affecting the rotation of the square bar 50 'and the pressing cylinder 53', the limiting assembly 5 further comprises: the mounting tube 58 ' surrounds the square rod 50 ', a gap is reserved between the mounting tube 58 ' and the square rod 50 ', the mounting tube 58 ' is fixed with the base 1, and the mounting tube 58 ' is used for mounting the second clamping part 55 '. The mounting cylinder 58 ' extends between the pressing cylinder 53 ' and the square bar 50 '.
The first clamping part 54' is an internal gear.
The second clamping part 55' is an internal gear.
The automatic rotation of the rotating shaft 52 ' to the position where the supporting block 51 ' supports the push ring 31 can be realized after the first clamping part 54 ' and the second clamping part 55 ' are disengaged, the hole of the base 1 through which the rotating shaft 52 ' passes is a rotating hole, the inner wall of the rotating hole is recessed to form an installation groove, a coil spring 57 ' is convoluted in the installation groove, the inner end of the coil spring 57 ' is fixed to the rotating shaft 52 ', the outer end of the coil spring 57 ' is fixed to the inner wall of the installation groove, and the rotating shaft 52 ' can be kept to support the push ring 31 through the supporting block 51 ' under the elastic force of.
The working principle of the embodiment is as follows: first, the pressing cylinder 53 ' is pressed to disengage the first locking part 54 ' and the second locking part 55 ', and this state is maintained; then, the pressing cylinder 53 ' is rotated, at this time, the fourth spring 56 ' allows the pressing cylinder 53 ' to rotate relative to the base 1, the pressing cylinder 53 ' drives the rotating shaft 52 ' to rotate through the square rod 50 ', so that a gap is formed between the supporting block 51 ' and the pushing ring 31, which is determined by the shape and size of the supporting block 51 ', so that the subsequent pushing ring 31 can descend, and at this time, the coil spring 57 ' deforms, and the state is maintained; then, the push rod 33 is pressed, the push ring 31 descends, the large section of the inner hole of the push ring 31 is aligned with the clamping arms 21, all the clamping arms 21 are opened under the elastic force of the first spring 23, and the gaps among all the clamping arms 21 are large enough, so that a bearing can be placed among all the clamping arms 21 subsequently; then, the bearing is held by hand and placed between all the clamping arms 21; then, the pushing rod 33 is released, the second spring 32 lifts the pushing ring 31, the inner wall of the small end of the pushing ring 31 acts on the clamping arm 21, and the inner wall of the small end of the pushing ring 31 forces the clamping arm 21 to clamp the bearing; then, the pressing cylinder 53 'is kept pressed, the first clamping part 54' is far away from the second clamping part 55 ', the rotation of the pressing cylinder 53' is not hindered, the supporting block 51 'rotates to a position capable of supporting the low-position pushing ring 31 under the spring of the coil spring 57', the bottom surface of the supporting block 51 'in contact with the pushing ring 31 is an arc surface, and the arc surface takes the central line of the rotating shaft 52' as the center; finally, the pressing cylinder 53 'is released, and the first catching part 54' and the second catching part 55 'are caught by the elastic force of the fourth spring 56'.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (8)

1. A jig for a grinding machine, comprising:
the top surface of the base is sunken to form a placing groove, and the placing groove is used for placing a bearing;
at least two press from both sides tight executive component, there are two at least tight executive component that press from both sides in standing groove department around, each presss from both sides tight executive component and all includes: the clamping arm, the connecting rod and the first spring, one end of the clamping arm extends into the placing groove, the other end of the clamping arm extends into an annular cavity formed in the base, the annular cavity surrounds the placing groove, the clamping arm is fixed to one end of the connecting rod located in the annular cavity, the other end of the connecting rod is fixed to one end of the first spring, the other end of the first spring is fixed to the inner wall of the annular cavity, and the clamping arm can be kept away from a bearing in the placing groove under the elastic force of the first spring; and
a pushing assembly, comprising: the pushing ring is arranged in the annular cavity and surrounds all the clamping arms, an inner hole of the pushing ring is in a cone frustum shape, the inner wall of the inner hole of the pushing ring is tightly attached to the clamping arms, the large end of the inner hole of the pushing ring is located above the small end of the inner hole of the pushing ring, the top surface of the pushing ring is fixed to the at least two pushing rods, the pushing rods penetrate out of the top surface of the base and are used for guiding the pushing ring to move in the vertical direction, the bottom of the pushing ring is connected to one ends of the at least two second springs, the other ends of the second springs are fixed to the inner wall of the annular cavity, and the inner wall of the small end of the inner hole of the pushing ring can be kept tightly attached to the clamping arms under the elastic force of the second.
2. A jig for a grinding machine as defined in claim 1 further comprising: and the limiting assembly is arranged at the joint of the pushing ring and the base and is used for allowing or limiting the downward movement of the pushing ring.
3. A jig for a grinding machine as claimed in claim 2 wherein the stop assembly comprises: the limiting rod is fixed to one end of the third spring, the other end of the third spring is fixed to the mounting block, and when the inner wall of the small end of the inner hole of the push ring is tightly attached to the clamping arm, the limiting rod can be kept to support the push ring under the spring elasticity.
4. A jig for a grinding machine as claimed in claim 3 wherein the stop assembly comprises: the supporting shoe, the rotation axis, the square bar, press a section of thick bamboo, first chucking part, second chucking part and fourth spring, the supporting shoe sets up the annular cavity, the supporting shoe is fixed to on the rotation axis lateral wall, the rotation axis is worn out the base and is connected with square bar one end, the square bar other end inserts to pressing a section of thick bamboo one end, press a section of thick bamboo around outside the square bar, the square bar can not press a section of thick bamboo relatively and rotate, press and install first chucking part on the section of thick bamboo, first chucking part can be with the chucking of second chucking part, the relative base of second chucking part is fixed, press a section of thick bamboo and fix to fourth spring one end, the fourth spring other end is fixed to the base, can keep first chucking part and the chucking of second chucking part under fourth spring force.
5. A jig for a grinding machine as claimed in claim 4 wherein the stop assembly further comprises: the installation cylinder surrounds the square rod, a gap is reserved between the installation cylinder and the square rod, the installation cylinder is fixed with the base, and the installation cylinder is used for installing the second clamping part.
6. A chuck for use with a grinding machine as claimed in claim 5, wherein the first gripping member is an internal gear.
7. A chuck for use with a grinding machine as claimed in claim 6, wherein the second gripping portion is an internal gear.
8. The jig for a grinding machine as claimed in claim 7, wherein the hole of the base through which the rotation shaft passes is a rotation hole, an inner wall of the rotation hole is recessed to form a mounting groove, a coil spring is convoluted in the mounting groove, an inner end of the coil spring is fixed to the rotation shaft, an outer end of the coil spring is fixed to the inner wall of the mounting groove, and the rotation shaft is held by the support block to support the push ring by an elastic force of the coil spring.
CN201920620804.XU 2019-04-30 2019-04-30 Clamp for grinding machine Active CN209902971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920620804.XU CN209902971U (en) 2019-04-30 2019-04-30 Clamp for grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920620804.XU CN209902971U (en) 2019-04-30 2019-04-30 Clamp for grinding machine

Publications (1)

Publication Number Publication Date
CN209902971U true CN209902971U (en) 2020-01-07

Family

ID=69046621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920620804.XU Active CN209902971U (en) 2019-04-30 2019-04-30 Clamp for grinding machine

Country Status (1)

Country Link
CN (1) CN209902971U (en)

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Address after: 400000 14-15, building 3-2, Longhu ziducheng, No.7, Yusong 1st branch road, Longshan street, Yubei District, Chongqing

Patentee after: Chongqing Liangde Technology Co.,Ltd.

Address before: 1-25-6, building 2, Yijing FengHao, 233 Longshan Road, Longshan street, Yubei District, Chongqing 400000

Patentee before: Chongqing Harui Trade Co.,Ltd.

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