CN209902728U - Main cylinder body clamping mechanism with auxiliary positioning device - Google Patents
Main cylinder body clamping mechanism with auxiliary positioning device Download PDFInfo
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- CN209902728U CN209902728U CN201821965552.6U CN201821965552U CN209902728U CN 209902728 U CN209902728 U CN 209902728U CN 201821965552 U CN201821965552 U CN 201821965552U CN 209902728 U CN209902728 U CN 209902728U
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Abstract
The utility model relates to a master cylinder body clamping mechanism with auxiliary positioning device belongs to automobile brake production field. There are two through-holes in the upper end of the anchor clamps riser of both sides, left end auxiliary positioning device and right-hand member auxiliary positioning device are equipped with respectively in the through-hole, anchor clamps riser and anchor clamps bottom plate fixed connection, pneumatic clamping mechanism installs on the anchor clamps bottom plate, it is top to be connected with pneumatic clamping mechanism, left end auxiliary positioning device and right-hand member auxiliary positioning device's lower extreme is respectively through locking bolt and anchor clamps riser fixed mounting, left end auxiliary positioning device and right-hand member auxiliary positioning device's upper end is installed respectively on the anchor clamps upper plate, positioning bolt and main cylinder body flange ear are connected, main cylinder body flange ear is located the main cylinder body. The utility model has the advantages that: novel structure is simple, has adopted supplementary eccentric location fixture to and the structure of preventing falling, can realize one-hand operation when the clamping work piece, can realize the clamping operation of processing in batches, and the clamping is reliable, and the adjustment is simple and convenient.
Description
Technical Field
The utility model belongs to the automotive brake production field especially indicates an auxiliary positioning device of the anchor clamps that car braking master cylinder body processing used, mainly is applied to the anchor clamps of the relevant size processing of plunger type braking master cylinder body axial, or other anchor clamps that the axial dimension processing that have similar shape product used.
Background
At present, when some products are produced and processed, a workpiece is vertically clamped on a clamp, when the workpiece is clamped, the workpiece needs to be arranged on a positioning surface below the positioning surface of the clamp, then the workpiece needs to be held by hands, then the clamping is carried out, and cutting processing is carried out after the clamping. In the process of clamping, one hand is needed to hold the workpiece during clamping, so that an operator is easy to fatigue, and the workpiece is inaccurate in positioning. On the other hand, if a plurality of workpieces are installed at one time for processing, the clamping process of each workpiece needs to hold the workpiece by hands, so the operation of holding the workpiece by hands needs to be repeated for many times, and the batch installation and processing are not facilitated.
Taking the processing of the plunger type automobile braking main cylinder as an example: the product has the size needing to be processed in the axial direction, and when the product is processed on vertical numerical control processing equipment, the main cylinder body needs to be axially clamped to complete processing. During clamping, the main cylinder body is arranged in a positioning hole of the positioning plate from the lower part of the clamp, the flange surface of the main cylinder body is contacted with the positioning plate, a workpiece is rotated, the outer side of the flange ear part of the main cylinder body is contacted with the positioning bolt, the main cylinder body is prevented from rotating, an auxiliary positioning device is not arranged in the vertical downward direction, an operator always uses one hand to hold the main cylinder body to prevent the main cylinder body from falling off the clamp, the other hand presses a cylinder switch to clamp the workpiece, the hand for holding the main cylinder body can be loosened after clamping, if a plurality of main cylinder bodies are clamped, the same operation is repeated on each main cylinder body, therefore, the main cylinder body is easy to fatigue after being used for a long time, inaccurate positioning is.
Disclosure of Invention
The utility model provides a main cylinder body clamping mechanism with auxiliary positioning device to the product that the solution has flange characteristic needs a hand to hold the work piece when axial dimension presss from both sides tightly, and the operator produces fatigue easily, causes the location of work piece inaccurate, the problem of clamping inefficiency.
The technical scheme of the utility model is that: the upper ends of fixture vertical plates on two sides are provided with two through holes, a left end auxiliary positioning device and a right end auxiliary positioning device are respectively arranged in the through holes, the fixture vertical plates are fixedly connected with a fixture bottom plate, a pneumatic clamping mechanism is arranged on the fixture bottom plate, a top is connected with the pneumatic clamping mechanism, the lower ends of the left end auxiliary positioning device and the right end auxiliary positioning device are respectively and fixedly arranged with the fixture vertical plates through locking bolts, the upper ends of the left end auxiliary positioning device and the right end auxiliary positioning device are respectively arranged on an upper plate of a fixture, the positioning bolts are connected with flange lugs of a main cylinder body, the flange lugs of the main cylinder body are arranged on the main cylinder body, the excircle part of the main cylinder body is arranged at the top of the main cylinder body, a replaceable positioning sleeve is connected with the excircle part of the main cylinder body;
the left end auxiliary positioning device comprises a left positioning seat, a left limiting screw, a left round-head positioning pin and a left compression spring 1, the left compression spring is positioned inside the left positioning seat, the left round-head positioning pin is connected with the left compression spring, a left round-head positioning pin key groove is formed in the left round-head positioning pin, and a left positioning seat bottom surface, a left eccentric blind hole and a left positioning seat eccentric plane are formed in the left positioning seat;
the right end auxiliary positioning device consists of a right positioning seat, a right limiting screw, a right round-head positioning pin and a right compression spring, the right compression spring is positioned in the right positioning seat, the right round-head positioning pin is connected with the right compression spring, and a right round-head positioning pin key groove is formed in the right round-head positioning pin;
the flange ear part of the main cylinder body is provided with an upper arc of the flange ear, the highest point of the arc of the flange ear part, a lower arc of the flange ear part and the lower end surface of the flange ear part of the main cylinder body.
The utility model has the advantages that: novel structure is simple, has adopted supplementary eccentric location fixture to and the anti-drop structure, has the practicality, can realize one-hand operation when the clamping work piece, reduces the operating procedure, can realize the clamping operation of batch processing, and the clamping is stable, reliable, and the adjustment is simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic left side view of FIG. 1;
FIG. 3 is a schematic top view of FIG. 1;
FIG. 4 is an enlarged view of section I of FIG. 1;
FIG. 5 is an enlarged view of section II of FIG. 3;
FIG. 6 is a schematic structural view of the left auxiliary positioning device of the present invention;
FIG. 7 is an A-direction view of the left positioning socket of FIG. 6;
FIG. 8 is a schematic structural view of the auxiliary right positioning device of the present invention;
in the figure, the auxiliary left end positioning device 1, the auxiliary right end positioning device 2, the vertical clamp plate 3, the locking bolt 4, the upper clamp plate 5, the positioning bolt 6, the outer circle part 7 of the main cylinder body, the bottom clamp plate 8, the pneumatic clamping mechanism 9, the tip 10, the flange ear 11 of the main cylinder body, the replaceable positioning sleeve 12, the main cylinder body 13, the mounting position 14 of the main cylinder body, the left positioning seat 101, the left limit screw 102, the left round head positioning pin 103, the left compression spring 104, the bottom surface 10101 of the left positioning seat, the left eccentric blind hole 10102, the eccentric plane 10103 of the left positioning seat, the keyway 10301 of the left round head positioning pin, the right positioning seat 201, the right limit screw 202, the right round head positioning pin 203, the right compression spring 204, the keyway 20301 of the right round head positioning pin, the upper arc 1101 of the flange ear, the highest arc 1102 of the flange ear.
Detailed Description
The upper ends of fixture vertical plates 3 on two sides are provided with two through holes, a left end auxiliary positioning device 1 and a right end auxiliary positioning device 2 are respectively arranged in the through holes, the fixture vertical plates 3 are fixedly connected with a fixture bottom plate 8, a pneumatic clamping mechanism 9 is arranged on the fixture bottom plate 8, a tip 10 is connected with the pneumatic clamping mechanism 9, the lower ends of the left end auxiliary positioning device 1 and the right end auxiliary positioning device 2 are respectively and fixedly arranged with the fixture vertical plates 3 through locking bolts 4, the upper ends of the left end auxiliary positioning device 1 and the right end auxiliary positioning device 2 are respectively arranged on a fixture upper plate 5, a positioning bolt 6 is connected with a main cylinder body flange ear 11, the main cylinder body flange ear 11 is positioned on a main cylinder body 13, an excircle part 7 of the main cylinder body is positioned at the top of the, the replaceable positioning sleeve 12 is connected with the excircle part 7 of the main cylinder body, and the mounting position 14 of the main cylinder body is positioned between the left auxiliary positioning device 1 and the right auxiliary positioning device 2;
the left end auxiliary positioning device 1 comprises a left positioning seat 101, a left limiting screw 102, a left round head positioning pin 103 and a left compression spring 104, wherein the left compression spring 104 is positioned inside the left positioning seat 101, the left round head positioning pin 103 is connected with the left compression spring 104, a left round head positioning pin key groove 10301 is arranged on the left round head positioning pin 103, and a left positioning seat bottom surface 10101, a left eccentric blind hole 10102 and a left positioning seat eccentric plane 10103 are arranged on the left positioning seat 101;
the right auxiliary positioning device 2 consists of a right positioning seat 201, a right limiting screw 202, a right round head positioning pin 203 and a right compression spring 204, the right compression spring 204 is positioned inside the right positioning seat 201, the right round head positioning pin 203 is connected with the right compression spring 204, and a right round head positioning pin key groove 20301 is formed in the right round head positioning pin 203;
the main cylinder flange ear 11 is provided with a flange ear upper arc 1101, a flange ear arc peak 1102, a flange ear lower arc 1103 and a main cylinder flange ear lower end surface 1104.
Taking a left positioning seat 101 as an example of a left-end auxiliary positioning device 1, wherein the lower end of the left positioning seat 101 is a left positioning seat bottom surface 10101, the distance between the left positioning seat 101 and the right positioning seat 201 can be adjusted by loosening and locking the left positioning seat bottom surface 10101 through a locking bolt 4, one end of the left positioning seat 101 is provided with a left positioning seat eccentric plane 10103 passing through an axis, after a main cylinder body 13 is clamped, the distance between the plane and the bottom surface of a flange ear 11 of the main cylinder body is 1-2mm so as to ensure that the main cylinder body 13 is not deviated during clamping, one end of the left positioning seat 101 is provided with a left eccentric blind hole 10102 with an eccentricity of 4-5mm, the eccentricity is not only to ensure that a workpiece is clamped and unloaded without labor, but also to ensure that a left round-head positioning pin 103 can prop against the flange ear 11 of the main cylinder body to prevent rotation, a slidable left round-head positioning pin 103 is arranged in the left eccentric, the stroke of the left round head positioning pin 103 is limited and the left round head positioning pin is prevented from being separated, and a left compression spring 104 in the left eccentric blind hole 10102 is in contact with the back of the left round head positioning pin 103; the structure of the right auxiliary positioning device 2 is symmetrical to that of the left auxiliary positioning device 1;
when the main cylinder body 13 is installed, the main cylinder body 13 is held by hand, the flange ear 11 of the main cylinder body is positioned at a non-horizontal installation position 14, the excircle position of the upper end of the main cylinder body 13 is installed into the replaceable positioning sleeve 12 of the upper plate from the lower end, then the main cylinder body 13 is rotated clockwise, when the outer sides of the lower arcs 1103 of the flange ears on the two sides of the main cylinder body 13 are respectively connected with a left round-head positioning pin, a right round-head positioning pin, a left round-head positioning pin 103 and a right round-head positioning pin 203, the left round-head positioning pin 103 slides towards a left compression spring 104 and the right compression spring 203 slides towards a right compression spring 204, when the left round-head positioning pin 103 contacts with the highest point 1102 of the arc of the flange ear, the left round-head positioning pin 103 contacts with an upper arc 1101 of the flange ear, the left round-head positioning pin 103 moves towards the main cylinder body 13 under the action of, the left round head positioning pin 103 is pressed against the upper circular arcs 1101 of the flange ears of the main cylinder bodies 13 on the two sides under the action of the spring force, so that the main cylinder bodies 13 are prevented from moving anticlockwise, and at the moment, the outer sides of the flange ears 11 of the main cylinder bodies 13 on the right side are in contact with the positioning bolts 6. When the hand holding the main cylinder body 13 is released and the main cylinder body 13 moves downward under the action of gravity, the lower end surface 1104 of the flange ear part contacts with the left positioning seat eccentric plane 10103 of the left positioning seat 101, the main cylinder body 13 is blocked, the main cylinder body 13 does not fall down, the pneumatic clamping switch is pressed, the center 10 moves upward and is propped against the lower end surface of the main cylinder body 13, and the main cylinder body 13 is clamped.
When the main cylinder body 13 is detached, a pneumatic release switch is pressed, the center 10 moves downwards to be separated from the lower end face of the main cylinder body 13, when the main cylinder body 13 moves downwards under the action of gravity, the lower end face 1104 of a flange ear part of the main cylinder body is in contact with the eccentric plane 10103 of the left positioning seat, the main cylinder body 13 cannot fall off, the main cylinder body 13 is held by hands to rotate anticlockwise, the upper arc 1101 of the flange ear, the highest point 1102 of the arc of the flange ear part and the lower arc 1103 of the flange ear at the left end and the right end of the main cylinder body 13 respectively slide over two round-head positioning pins, the left round-head positioning pin 103, the right round-head positioning pin 203 and the two round-head positioning pins move towards a compression spring side and then move towards the main cylinder body 13, and after the main cylinder body 13 is separated from an auxiliary positioning device, the main cylinder body.
The working principle is as follows: the application of the auxiliary positioning device is described by taking the example that the auxiliary positioning device is arranged on a special clamp, the special clamp is used for processing a plunger type automobile braking main cylinder body product, and the plunger type automobile braking main cylinder body completes the processing of the axial dimension after being arranged on the clamp. The clamp is arranged on vertical numerical control machining equipment, the pneumatic clamping mechanism is arranged on a clamp bottom plate, the center is in a loose state, the two clamp vertical plates are respectively arranged on the left side and the right side of the bottom plate, the upper ends of the two vertical plates 6 are connected through a clamp upper plate, and the center of each vertical plate is provided with a replaceable positioning sleeve. There are two through-holes in the upper end of both sides anchor clamps riser, are equipped with auxiliary positioning device's positioning seat in the through-hole respectively, and the positioning seat can slide in the through-hole, and the interval of both sides positioning seat can be adjusted through locking bolt with the positioning seat bottom surface loosen and locking to the interval of the main cylinder body product flange ear of adaptation difference. Open at positioning seat one end and have an eccentric blind hole, eccentric blind hole is skew positioning seat axle center, is equipped with slidable button head locating pin in the eccentric blind hole, and the button head locating pin is opened there is the keyway, and stop screw 2 stretches in the keyway, the stroke of restriction button head locating pin with prevent it and break away from, compression spring and the contact at the back of the button head locating pin in the eccentric blind hole. And a positioning bolt is arranged on the upper plate of the clamp and used for limiting the freedom degree of the main cylinder body rotating around the axis to position, so that the main cylinder body is ensured to be positioned at a required processing position.
When the workpiece is loaded to a preset machining position and loosened, the auxiliary positioning device in the clamping mechanism can loosen the hand holding the workpiece to realize one-hand operation, the workpiece is stably and reliably positioned, and the mounting and clamping of batch machining are favorably realized. The operation intensity is reduced, and the clamping efficiency and the positioning precision are improved. After the clamping mechanism with the auxiliary positioning device is arranged, when the clamping mechanism is used for batch processing, the clamping of a plurality of main cylinder bodies can be controlled by one pneumatic switch, and after the main cylinder bodies are arranged on the clamp, all the main cylinder bodies can be clamped by pressing one switch, so that the quick clamping is facilitated.
Claims (4)
1. The utility model provides a main cylinder body clamping mechanism with auxiliary positioning device which characterized in that: the upper end of the fixture vertical plate on two sides is provided with two through holes, a left end auxiliary positioning device and a right end auxiliary positioning device are respectively arranged in the through holes, the fixture vertical plate is fixedly connected with a fixture bottom plate, a pneumatic clamping mechanism is arranged on the fixture bottom plate, the top is connected with the pneumatic clamping mechanism, the lower ends of the left end auxiliary positioning device and the right end auxiliary positioning device are respectively fixedly arranged on the fixture vertical plate through locking bolts, the upper ends of the left end auxiliary positioning device and the right end auxiliary positioning device are respectively arranged on an upper plate of the fixture, the positioning bolts are connected with flange ears of the main cylinder body, the flange ears of the main cylinder body are arranged on the main cylinder body, the excircle part of the main cylinder body is arranged at the top of the main cylinder body, a replaceable positioning sleeve is connected with the excircle part of the main cylinder body.
2. A master cylinder clamp mechanism with an auxiliary positioning device as claimed in claim 1, wherein: the left end auxiliary positioning device comprises a left positioning seat, a left limiting screw, a left round-head positioning pin and a left compression spring (1), the left compression spring is located inside the left positioning seat, the left round-head positioning pin is connected with the left compression spring, a left round-head positioning pin key groove is formed in the left round-head positioning pin, and a left positioning seat bottom surface, a left eccentric blind hole and a left positioning seat eccentric plane are formed in the left positioning seat.
3. A master cylinder clamp mechanism with an auxiliary positioning device as claimed in claim 1, wherein: the right end auxiliary positioning device is composed of a right positioning seat, a right limiting screw, a right round head positioning pin and a right compression spring, the right compression spring is located inside the right positioning seat, the right round head positioning pin is connected with the right compression spring, and a right round head positioning pin key groove is formed in the right round head positioning pin.
4. A master cylinder clamp mechanism with an auxiliary positioning device as claimed in claim 1, wherein: the flange ear part of the main cylinder body is provided with an upper arc of the flange ear, the highest point of the arc of the flange ear part, a lower arc of the flange ear part and the lower end surface of the flange ear part of the main cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965552.6U CN209902728U (en) | 2018-11-27 | 2018-11-27 | Main cylinder body clamping mechanism with auxiliary positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965552.6U CN209902728U (en) | 2018-11-27 | 2018-11-27 | Main cylinder body clamping mechanism with auxiliary positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN209902728U true CN209902728U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821965552.6U Active CN209902728U (en) | 2018-11-27 | 2018-11-27 | Main cylinder body clamping mechanism with auxiliary positioning device |
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| CN (1) | CN209902728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290828A (en) * | 2018-11-27 | 2019-02-01 | 吉林东光奥威汽车制动系统有限公司 | A kind of Master cylinder body clamp system with auxiliary locator |
-
2018
- 2018-11-27 CN CN201821965552.6U patent/CN209902728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290828A (en) * | 2018-11-27 | 2019-02-01 | 吉林东光奥威汽车制动系统有限公司 | A kind of Master cylinder body clamp system with auxiliary locator |
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