CN218252950U

CN218252950U - Bearing frame car plane drilling presss from both sides tight frock

Info

Publication number: CN218252950U
Application number: CN202222327168.6U
Authority: CN
Inventors: 陈祥友; 黄财
Original assignee: Dongguan Tr Bearing Co ltd
Current assignee: Dongguan Tr Bearing Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-10
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a bearing frame equipment technical field especially relates to a bearing frame car plane drilling presss from both sides tight frock: the multi-jaw chuck is used for providing clamping power, and a group of fixed bases and at least two groups of movable bases are arranged on the multi-jaw chuck respectively; the movable claw is arranged on the movable base in a rotating mode; the pressing blocks are respectively detachably arranged on two sides of the fixed claw and the movable claw; the pressing block acts on the mounting hole flange of the bearing seat. An object of the utility model is to provide a bearing frame car plane drilling presss from both sides tight frock, has solved the unstable problem that can't realize not unidimensional centre gripping of current bearing frame anchor clamps centre gripping.

Description

Bearing frame car plane drilling presss from both sides tight frock

Technical Field

The utility model relates to a bearing frame production facility technical field especially relates to a bearing frame car plane drilling presss from both sides tight frock.

Background

The outer spherical ball bearing is a transmission part commonly used on mechanical equipment, a bearing seat can be adopted to support the outer spherical ball bearing generally, the bearing seat comprises a vertical bearing seat and a non-vertical bearing seat, the non-vertical bearing seat comprises a circular boss seat, a square seat, a rhombic seat and the like, and in order to meet the installation of the outer spherical ball bearing, the non-vertical bearing seat needs to process an installation plane, an installation bolt hole, an oil hole, an inner ball hole, an oil groove and the like. Use circular boss seat as an example, the edge of seat has a plurality of flanges that supply the bolt to pass, and need use anchor clamps to fix the bearing frame before carrying out the processing of car plane drilling to circular boss seat, current anchor clamps can not carry out stable centre gripping to the bearing frame at the in-process of the circular boss seat of centre gripping, it is not accurate to have the centre gripping decentraction to cause the bearing frame processing, the circular boss seat that current anchor clamps can't match multiple size simultaneously carries out the centre gripping, lead to the problem that bearing frame production efficiency is low.

Therefore, improve current anchor clamps that are used for circular boss seat to process to solve current anchor clamps and owing to can not carry out stable centre gripping to the bearing frame at the in-process of the circular boss seat of centre gripping, there is the centre gripping decentraction to cause the bearing frame to process not accurate, the circular boss seat that current anchor clamps can't match multiple size simultaneously carries out the centre gripping, leads to the problem that bearing frame production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tight frock of bearing frame car plane drilling clamp, adopt the utility model provides a technical scheme has solved current anchor clamps and has had the centre gripping unstability to cause the bearing frame processing inaccurate at the in-process of the circular boss seat of centre gripping, can't match multiple model bearing frame simultaneously and lead to the problem that production efficiency is low.

In order to achieve the purpose of the invention, the utility model provides a bearing frame car plane drilling clamping tool for carry out the centre gripping to the bearing frame that has the mounting hole flange, its characterized in that: the multi-jaw chuck is used for driving the movable base to move along the radial direction of the multi-jaw chuck; the movable claw is arranged on the movable base in a rotating mode; the pressing block is detachably arranged on two sides of the fixed claw and the movable claw respectively; the pressing block acts on the mounting hole flange of the bearing seat.

Preferably, the fixed base and the movable base are respectively and fixedly provided with a positioning block towards one end of the inner side of the multi-jaw chuck, and the end face of the positioning block acts on the end face of the bearing seat.

Preferably, a guide block is fixedly arranged on the movable base and is positioned between the positioning block and the movable claw.

Preferably, a guide portion is formed on the guide block in a zigzag manner toward the movable jaw, and a guide groove into which the guide portion is inserted is formed in the middle of the movable jaw.

Preferably, the width of the guide groove is greater than the width of the guide portion.

Preferably, the bottom surfaces of the movable base and the fixed base are respectively provided with a plurality of racks acting on the end surface of the multi-jaw chuck.

Preferably, the end surfaces of the fixed claw and the movable claw are respectively provided with a pit for installing the pressing block, and the bottom surface of the pit is provided with a T-shaped groove for moving and guiding the pressing block.

Preferably, the pressing block is provided with a bolt for fixing the pressing block on the pit.

Preferably, the working end of the pressing block extends to the outside of the movable claw and the fixed claw and faces the bearing seat, and anti-skid grains are formed on the end face of the working end of the pressing block.

Preferably, the movable base is embedded with a pin shaft, and the movable claw is pivoted on the movable base through the pin shaft.

By last, use the utility model provides a tight frock of bearing saddle car plane drilling clamp can obtain following beneficial effect:

1. the bearing seat is placed between the movable claw and the fixed claw, the movable base is driven by the multi-claw chuck to drive the movable claw to fold towards the fixed claw and drive the pressing blocks on two sides of the movable claw to move, two adjacent pressing blocks surround the outer peripheral surface of the mounting hole flange of the bearing seat, and the bearing seat is positioned in multiple points through the plurality of pressing blocks, so that the bearing seat is prevented from rotating, the clamping stability and the accurate positioning of the bearing seat are improved, and the purpose of improving the processing accuracy of the bearing seat is realized;

2. through the movable claw which can be rotatably arranged and the pressing block which can be freely adjusted, the clamping tool is convenient to clamp and meets the clamping requirements of bearing seats with different sizes, and the production efficiency of the bearing seats is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of a bearing seat turning plane drilling clamping tool according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the bearing seat turning plane drilling clamping tool in the embodiment of the present invention;

fig. 3 is a schematic view of a movable base of the bearing seat turning plane drilling clamping tool according to the embodiment of the present invention;

fig. 4 is a sectional view of a movable base of the bearing seat turning plane drilling clamping tool in the embodiment of the present invention;

fig. 5 is a schematic view of a fixing base of the bearing seat turning plane drilling clamping tool according to the embodiment of the present invention;

fig. 6 is a cross-sectional view of the fixing base of the bearing seat turning plane drilling clamping tool in the embodiment of the present invention;

fig. 7 is a schematic view of a movable jaw of the bearing seat turning plane drilling clamping tool in the embodiment of the present invention;

fig. 8 isbase:Sub>A sectional view of the bearing seat turning plane drilling clamping tool according to the embodiment of the present invention;

fig. 9 is a schematic view of a fixing claw of the bearing seat turning plane drilling clamping tool according to the embodiment of the present invention;

fig. 10 is a B-B sectional view of the bearing saddle car plane drilling clamping tool in the embodiment of the present invention;

fig. 11 is a schematic view of a guide block of the bearing seat turning plane drilling clamping tool according to the embodiment of the present invention;

fig. 12 is a side view of a guide block of the bearing holder turning plane drilling clamping tool according to the embodiment of the present invention;

fig. 13 is the utility model discloses a briquetting sketch map of the tight frock of bearing frame car plane drilling clamp.

Reference numerals: 1. a multi-jaw chuck; 2. a fixed base; 3. a movable base; 21. a fixed jaw; 31. a movable jaw; 4. briquetting; 5. positioning blocks; 6. a guide block; 61. a guide portion; 311. a guide groove; 7. a rack; 8. a pit; 81. a T-shaped groove; 41. anti-skid lines; 32. a pin shaft; 9. a bearing seat; 91. and mounting hole flanges.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The existing clamp has the problems that the bearing seat cannot be machined accurately due to unstable clamping in the process of clamping the bearing seat, and the production efficiency is low due to the fact that the existing clamp cannot be matched with various types of bearing seats.

In order to solve the technical problem, the embodiment provides a clamping tool for drilling on the turning plane of the bearing pedestal, which has the following specific structural characteristics: as shown in fig. 1-13, the multi-jaw chuck comprises a multi-jaw chuck 1 for providing clamping power, and a set of fixed bases 2 and at least two sets of movable bases 3, wherein the fixed bases 2 and the movable bases 3 are respectively arranged on the multi-jaw chuck 1, and the multi-jaw chuck 1 is used for driving the movable bases 3 to move along the radial direction of the multi-jaw chuck 1; the device also comprises a fixed claw 21, a movable claw 31 and a plurality of pressing blocks 4, wherein the fixed claw 21 is fixedly arranged on the fixed base 2, and the movable claw 31 is rotatably arranged on the movable base 3; the pressing block 4 is detachably arranged on two sides of the fixed claw 21 and the movable claw 31 respectively; the pressing block 4 acts on the mounting hole flange 91 of the bearing seat 9, and the pressing block 4 which is detachably arranged meets the processing requirements of bearing seats with different sizes.

Specifically, the bearing seat 9 is placed between the movable claw 31 and the fixed claw 21, the movable base 3 is driven by the multi-claw chuck 1 to drive the movable claw 31 to fold towards the fixed claw 21 and drive the pressing blocks 4 on two sides of the movable claw 31 to move, two adjacent pressing blocks 4 surround the outer peripheral surface of the mounting hole flange 91 of the bearing seat 9, the bearing seat 9 is positioned at multiple points through the pressing blocks 4, the effects of preventing the bearing seat 9 from rotating, improving the clamping stability and accurate positioning of the bearing seat are achieved, and the purpose of improving the machining accuracy of the bearing seat is achieved; rethread rotatable setting's movable claw 31, when the not unidimensional bearing frame 9 of centre gripping, make two adjacent briquetting 4 remove according to the position of the mounting hole flange 91 of bearing frame 9 and adjust, with the size of matching the bearing frame, a plurality of movable claws 31 carry out the rotation of small amplitude corresponding this bearing frame when the centre gripping begins, make briquetting 4 closely surround the outer peripheral face in the mounting hole flange 91 of bearing frame 9 all the time again, the function of stable positioning keeps, be convenient for press from both sides the centre gripping demand that tight frock satisfies not unidimensional bearing frame 9, further realize improving the effect of bearing frame 9 production efficiency.

Furthermore, the fixed base 2 and the movable base 3 are respectively and fixedly provided with a positioning block 5 towards one end of the inner side of the multi-jaw chuck 1, when the bearing seat 9 is placed between the movable jaw 31 and the fixed jaw 21, the end face of the positioning block 5 acts on the end face of the bearing seat 9, the effect of axially positioning the bearing seat 9 is achieved, the bearing seat 9 is prevented from being placed out of position or being placed too much, and the function of effectively clamping the mounting hole flange 91 of the bearing seat 9 is guaranteed.

Further, a guide block 6 is fixedly arranged on the movable base 3, the guide block 6 is positioned between the positioning block 5 and the movable claw 31, and after the positioning block 5 positions the bearing seat 9, the movable claw 31 rotates in a smaller range under the guiding action of the guide block 6 in the process of clamping the bearing seat 9, so that the problem that the pressing block 4 cannot smoothly clamp the bearing seat 9 due to an overlarge rotating angle of the movable claw 31 is avoided; exemplarily, when no bearing seat 9 is placed in, the movable jaw 31 automatically rotates under the action of gravity, so that the working surface of the movable jaw 31 deviates from the clamping area, and the bearing seat 9 cannot be smoothly placed in the clamping tool, or after the bearing seat 9 is placed in, the pressing block 4 cannot accurately act on the mounting hole flange 91 of the bearing seat 9, so that the bearing seat 9 cannot be smoothly and effectively clamped.

Furthermore, a guide part 61 is formed on the guide block 6 towards the movable claw 31, a guide groove 311 is formed in the middle of the movable claw 31, and the guide part 61 is embedded into the guide groove 311, so that the purposes of preventing the rotating shaft of the movable claw 31 from being too large and keeping the effective clamping direction of the movable claw 31 are achieved; meanwhile, the width of the guide groove 311 is greater than that of the guide part 61, so that a gap is formed between the guide part 61 and the guide groove 311 to provide a moving space for the movable jaw 31, the movable jaw 31 can be conveniently rotated and adjusted to a smaller extent, and the clamping requirement that the pressing block 4 is suitable for bearing seats 9 with different sizes is further met.

Furthermore, a plurality of racks 7 acting on the multi-jaw chuck 1 are respectively formed on the bottom surfaces of the movable base 3 and the fixed base 2, and after the movable jaw of the multi-jaw chuck 1 drives the movable jaw 31 to clamp the bearing seat 9 on the movable base 3, the friction force between the movable base 3 and the movable jaw of the multi-jaw chuck 1 is increased through the racks 7, so that the movable jaw 31 is prevented from being loosened from the movable jaw of the multi-jaw chuck in the clamping process, and the problem that the clamping of the pressing block 4 on the bearing seat 9 is unstable is solved; in other embodiments, the positioning bosses embedded into each other are respectively formed between the movable claws of the fixed base 2 and the multi-claw chuck 1 and between the movable base 3 and the movable claws of the multi-claw chuck 1, so that the pre-positioning effect can be achieved when the movable base 3 and the fixed base 2 are installed, and the problem that the pressing block 4 is not accurately clamped due to installation size deviation is prevented.

Further, concave pits 8 are respectively formed on the end surfaces of the fixed claw 21 and the movable claw 31, the pressing block 4 is installed in the concave pits 8, and meanwhile, a T-shaped groove 81 is formed in the bottom of each concave pit 8, so that the pressing block 4 can directionally move along the T-shaped groove 81; simultaneously be provided with on briquetting 4 and be used for being fixed in the bolt on pit 8 with briquetting 4, in order to prevent that briquetting 4 from removing to take place the displacement after adjusting, cause the problem of unable retaining bearing frame 9 location effect, it is exemplary, adopt the nut to put into to T type groove 81, it passes briquetting 4 and is connected with the nut to recycle the bolt, when briquetting 4 is removed to needs, it makes briquetting 4 freely remove along T type groove 81 to loosen the bolt, rethread screws up the bolt and makes briquetting 4 fix on pit 8, reach the mounting hole flange 91 of briquetting 4 corresponding not unidimensional bearing frame 9 and carry out the effect of effective centre gripping.

Furthermore, the working end of the pressing block 4 extends to the outside of the movable claw 31 and the fixed claw 21 and is arranged towards the bearing seat 9, when the movable claw 31 and the fixed claw 21 clamp the bearing seat 9, the pressing block 4 can smoothly extend to the bearing seat 9 and act on the outer periphery of the flange 91 of the mounting hole, and the bearing seat 9 can be effectively fixed; the end face of the working end of the pressing block 4 is provided with the anti-skidding threads 41, friction force between the pressing block 4 and the bearing seat 9 is improved through the anti-skidding threads 41, the bearing seat 9 is prevented from moving while damage of the mounting hole flange 91 is avoided, and machining precision in a drilling machining process of the bearing seat 9 is further improved.

Furthermore, a pin shaft 32 is embedded in the movable base 3, and the movable jaw 31 is pivoted on the movable base 3 through the pin shaft 32, so that the purpose of rapidly installing the movable jaw 31 is achieved, and the processing cost of the clamping tool is reduced.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The utility model provides a tight frock of bearing frame car plane drilling clamp for carry out the centre gripping to bearing frame (9) that have mounting hole flange (91), its characterized in that: the multi-jaw chuck comprises a multi-jaw chuck (1) for providing clamping power, a group of fixed bases (2) and at least two groups of movable bases (3), wherein the fixed bases (2) and the movable bases (3) are respectively arranged on the multi-jaw chuck (1), and the multi-jaw chuck (1) is used for driving the movable bases (3) to move along the radial direction of the multi-jaw chuck (1);

the device is characterized by further comprising a fixed claw (21), a movable claw (31) and a pressing block (4), wherein the fixed claw (21) is fixedly arranged on the fixed base (2), and the movable claw (31) is rotatably arranged on the movable base (3); the pressing block (4) is detachably arranged on two sides of the fixed claw (21) and the movable claw (31) respectively; the pressing block (4) acts on a mounting hole flange (91) of the bearing seat (9).

2. The bearing seat turning plane drilling clamping tool according to claim 1, characterized in that: the fixed base (2) and the movable base (3) face one end of the inner side of the multi-jaw chuck (1) and are respectively and fixedly provided with a positioning block (5), and the end face of the positioning block (5) acts on the end face of the bearing seat (9).

3. The bearing seat turning plane drilling clamping tool according to claim 2, characterized in that: a guide block (6) is fixedly arranged on the movable base (3), and the guide block (6) is positioned between the positioning block (5) and the movable claw (31).

4. The bearing seat turning plane drilling clamping tool according to claim 3, characterized in that: a zigzag guide part (61) is formed on the guide block (6) towards the movable claw (31), and a guide groove (311) for the guide part (61) to be embedded into is formed in the middle of the movable claw (31).

5. The bearing seat turning plane drilling clamping tool according to claim 4, characterized in that: the width of the guide groove (311) is greater than the width of the guide portion (61).

6. The bearing seat turning plane drilling clamping tool according to claim 1, characterized in that: the bottom surfaces of the movable base (3) and the fixed base (2) are respectively provided with a plurality of racks (7) acting on the multi-jaw chuck (1).

7. The bearing seat turning plane drilling clamping tool according to claim 1, characterized in that: the end faces of the fixed claw (21) and the movable claw (31) are respectively provided with a pit (8) for installing the pressing block (4), and the bottom surface of the pit (8) is provided with a T-shaped groove (81) for moving and guiding the pressing block (4).

8. The bearing seat turning plane drilling clamping tool according to claim 7, characterized in that: the pressing block (4) is provided with a bolt used for fixing the pressing block (4) on the pit (8).

9. The bearing seat turning plane drilling clamping tool according to claim 1, characterized in that: the working end of the pressing block (4) extends to the movable claw (31) and the fixed claw (21) and faces the bearing seat (9), and anti-skidding threads (41) are formed on the end face of the working end of the pressing block (4).

10. The bearing seat turning plane drilling clamping tool according to claim 1, characterized in that: the movable base (3) is embedded with a pin shaft (32), and the movable claw (31) is pivoted on the movable base (3) through the pin shaft (32).