CN217317723U - Six-cylinder finish machining gap-eliminating positioning mechanism - Google Patents
Six-cylinder finish machining gap-eliminating positioning mechanism Download PDFInfo
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- CN217317723U CN217317723U CN202221043218.1U CN202221043218U CN217317723U CN 217317723 U CN217317723 U CN 217317723U CN 202221043218 U CN202221043218 U CN 202221043218U CN 217317723 U CN217317723 U CN 217317723U
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Abstract
The utility model relates to an engine cylinder block processing equipment technical field, concretely relates to six cylinder block finish machining crack positioning mechanism that disappears. Including ann height locating piece, compress tightly oil cylinder subassembly, rhombus round pin, adjusting block, adjustment pad, push away by the hydro-cylinder, rhombus round pin, adjusting block, adjustment pad are provided with three sets, follow six cylinder body length direction interval arrangement respectively, and the long side direction of the rhombus round pin of both sides is the fore-and-aft direction, and the long side direction of the rhombus round pin of centre is left right direction, the utility model discloses what actually adopted is that the location method of one side three round pins, height locating piece and compression cylinder provide plane location, and three rhombus round pin inserts in the pinhole of six cylinder bodies, and wherein the long side direction of the rhombus round pin of both sides is fore-and-aft direction, and six cylinder body length direction is perpendicular, and the long side direction of middle rhombus round pin is left right direction, then pushes away to push away the hydro-cylinder with six cylinder bodies backward, impels left, eliminates the clearance of rhombus round pin and six cylinder body pinhole unilateral, can improve positioning accuracy.
Description
Technical Field
The utility model relates to an engine cylinder block processing equipment technical field, concretely relates to six cylinder block finish machining crack positioning mechanism that disappears.
Background
The traditional workpiece positioning method adopts a one-surface two-pin positioning method, and one-surface two-pin positioning is the most common positioning mode. If the two positioning holes are straight pins, the workpiece can be difficult to take and place, and the hole distance error of the 2 positioning holes in the workpiece is slightly larger, so that the workpiece cannot be placed in the positioning holes or the positioning holes are damaged. To avoid this, 1 straight pin and one diamond pin are generally used. The circle center of the straight pin is used as the rotation center of the workpiece, and the diamond pin limits the degree of freedom of the rotation direction. However, when the six cylinder bodies of the engine are machined, because the six cylinder bodies are long, the traditional one-surface two-pin positioning method cannot meet the high-precision machining requirement, particularly the machining of the crankshaft holes of the six cylinder bodies.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be: the traditional one-surface two-pin positioning method cannot meet the high-precision machining requirement of the six-cylinder body, and the six-cylinder body finish machining clearance eliminating positioning mechanism is provided.
The utility model is realized by the following technical proposal, a six-cylinder finish machining gap-eliminating positioning mechanism comprises a plurality of groups of height positioning blocks and a pressing oil cylinder component which are arranged on a base, wherein the base is also provided with a diamond pin, an adjusting block, an adjusting pad and a pushing oil cylinder,
the diamond pins, the adjusting blocks and the adjusting pads are arranged in three sets and are respectively arranged at intervals along the length direction of the six cylinder bodies, the long side directions of the diamond pins at the two sides are the front-back directions, the length direction of the adjusting block is vertical to the length direction of the six cylinder bodies, the long side direction of the diamond pin in the middle is the left-right direction, the adjusting block is L-shaped, the adjusting block is fixedly arranged on the base, adjusting pads which can be ground are arranged on two inner edges of the adjusting block, the mounting seat of the diamond pin is rectangular, two right-angle sides of the diamond pin are attached to the two adjusting pads, the thickness of the adjusting pads can be changed by grinding the adjusting pads, therefore, the purpose of fine adjustment of the diamond pins is achieved, the positions, right opposite to the diamond pins on the two sides, of the diamond pins are respectively provided with an upward pushing oil cylinder, the pushing oil cylinders which are pushed leftwards or rightwards are further installed along the three diamond pins, and the telescopic shafts of the pushing oil cylinders point to the middle diamond pins.
Furthermore, in order to detect whether the pushing oil cylinder acts in place, a connecting plate is arranged beside the pushing oil cylinder, a proximity switch is fixedly connected onto the connecting plate, a detection plate is arranged on a telescopic shaft of the pushing oil cylinder, the telescopic shaft is ejected forwards when the pushing oil cylinder works, the detection plate shields the proximity switch, and if shielding is not detected, an alarm or an error prompt is given.
Furthermore, in order to ensure that the adjusting block, the adjusting pad and the diamond pin are tightly attached, through holes are formed in the adjusting block and the adjusting pad, threaded holes are formed in the side face of the installing seat of the diamond pin, and the installing seat is tightened through bolts, so that the adjusting block, the adjusting pad and the diamond pin are tightly attached.
Further, in order to improve the positioning accuracy, the diamond-shaped pin is arranged beside the height positioning block.
Furthermore, in order to facilitate installation, the diamond-shaped pin can be rapidly inserted into the pin hole, and the top of the diamond-shaped pin is provided with a guide conical surface.
Furthermore, in order to adjust the height of the top surface of the height positioning block conveniently, an adjusting cushion block is arranged below the height positioning block.
The utility model has the advantages that:
1. the utility model discloses what actually adopt is the positioning method of three round pins of one side, height positioning piece and compression cylinder provide the plane location, and three rhombus round pin inserts in the pinhole of six cylinder bodies, and wherein the long limit direction of the rhombus round pin of both sides is the fore-and-aft direction, and six cylinder body length direction are perpendicular, and the long limit direction of middle rhombus round pin is left right direction, then pushes away to push away the hydro-cylinder with six cylinder bodies backward, impel left, eliminates the clearance of rhombus round pin and six cylinder body pinhole unilateral, can improve positioning accuracy.
2. The utility model discloses it is equipped with pick-up plate and proximity switch to push away hydro-cylinder department, can detect to push away and put in place by the action, improve equipment's reliability.
3. The utility model discloses be equipped with adjusting block, adjustment pad, tighten up through the bolt, consequently adjusting block, adjustment pad, rhombus round pin three are hugged closely, can change its thickness through grinding adjustment pad to reach the purpose of fine setting rhombus round pin, realize accurate regulation.
Drawings
FIG. 1 is a three-dimensional view of a six-cylinder precision machining anti-backlash positioning mechanism (including a six-cylinder body) according to the present invention;
FIG. 2 is a top view of a six-cylinder finishing anti-backlash positioning mechanism according to the present invention;
FIG. 3 is a schematic diagram of the arrangement of a diamond-shaped pin and a thrust cylinder;
FIG. 4 is a schematic diagram of a diamond pin configuration;
fig. 5 is a schematic structural diagram of the adjusting block.
In the figure: 1, a base; 2, positioning a height block; 3, pressing the oil cylinder; 4 diamond-shaped pins; 5, adjusting blocks; 6, adjusting the cushion; 7 pushing against the oil cylinder; 8, connecting plates; 9 a proximity switch; 10 testing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, a six-cylinder body finish machining gap-eliminating positioning mechanism comprises a plurality of groups of height positioning blocks 2 and a pressing oil cylinder 3 assembly which are arranged on a base 1, wherein a diamond pin 4, an adjusting block 5, an adjusting pad 6 and a pushing oil cylinder 7 are also arranged on the base 1,
the diamond-shaped pin 4, the adjusting block 5 and the adjusting pad 6 are provided with three sets and are respectively arranged along the length direction of the six cylinders at intervals, the long edge directions of the diamond-shaped pins 4 at two sides are the front-back direction and are vertical to the length direction of the six cylinders, the long edge direction of the diamond-shaped pin 4 in the middle is the left-right direction, the adjusting block 5 is L-shaped, the adjusting block 5 is fixedly arranged on the base 1, the adjusting pads 6 capable of being ground are arranged on two inner edges of the adjusting block 5, the mounting seat of the diamond-shaped pin 4 is rectangular, two right-angle edges of the diamond-shaped pin 4 are attached to the two adjusting pads 6, the thickness of the adjusting pads 6 can be changed by grinding the adjusting pads 6, so that the purpose of finely adjusting the diamond-shaped pin 4 is achieved, the right-opposite positions of the diamond-shaped pins 4 at two sides are respectively provided with an upward pushing cylinder 7, and the three diamond-shaped pins 4 are further provided with a pushing cylinder 7 which is pushed leftwards or rightwards, the telescopic shaft of the pushing cylinder 7 points to the middle diamond-shaped pin 4.
In practical application, in order to detect whether the pushing cylinder acts in place, a connecting plate 8 is arranged beside the pushing cylinder 7, a proximity switch 9 is fixedly connected to the connecting plate 8, a detection plate 10 is arranged on a telescopic shaft of the pushing cylinder 7, the telescopic shaft is pushed forwards when the pushing cylinder 7 works, the detection plate 10 shields the proximity switch 9, and if shielding is not detected, an alarm or an error prompt is given.
In practical application, in order to ensure that the adjusting block 5, the adjusting pad 6 and the diamond pin 4 are tightly attached, through holes are formed in the adjusting block 5 and the adjusting pad 6, a threaded hole is formed in the side face of the mounting seat of the diamond pin 4, and the threaded hole is tightened through a bolt, so that the adjusting block 5, the adjusting pad 6 and the diamond pin 4 are tightly attached.
In practical application, the diamond-shaped pin 4 is arranged beside the height positioning block 2 in order to improve the positioning accuracy.
In practical application, in order to facilitate installation, the diamond-shaped pin 4 can be rapidly inserted into the pin hole, and the top of the diamond-shaped pin 4 is provided with a guiding conical surface.
In practical application, in order to conveniently adjust the height of the top surface of the height positioning block 2, an adjusting cushion block is arranged below the height positioning block 2.
The utility model discloses a theory of operation:
the utility model discloses what actually adopt is the positioning method of three pins of one side, height location piece 2 and compression cylinder 3 provide the plane location, three rhombus round pin 4 inserts in the pinhole of six cylinder bodies, wherein the long edge direction of rhombus round pin 4 of both sides is the fore-and-aft direction, and six cylinder body length direction are perpendicular, the long edge direction of middle rhombus round pin 4 is left right direction, then push away to lean on hydro-cylinder 7 with six cylinder bodies backward, impel left, eliminate the clearance of rhombus round pin 4 and six cylinder body pinhole unilateral, can improve positioning accuracy, it is equipped with pick-up plate 10 and proximity switch 9 to push away hydro-cylinder 7 department, can detect and push away to put in place by the action, improve equipment's reliability.
To sum up, a six cylinder body finish machining crack positioning mechanism that disappears can eliminate the clearance between locating pin and the pinhole, very high positioning accuracy has.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (6)
1. The utility model provides a six cylinder body finish machining clearance-eliminating positioning mechanism which characterized in that: comprises a plurality of groups of height positioning blocks (2) and a pressing oil cylinder (3) assembly which are arranged on a base (1), wherein a diamond pin (4), an adjusting block (5), an adjusting pad (6) and a pushing oil cylinder (7) are also arranged on the base (1),
the diamond-shaped pin (4), the adjusting block (5) and the adjusting pad (6) are provided with three sets, the diamond-shaped pin (4), the adjusting block (5) and the adjusting pad (6) are respectively arranged along the length direction of the six cylinders at intervals, the long side directions of the diamond-shaped pins (4) on the two sides are the front and back directions and are perpendicular to the length direction of the six cylinders, the long side direction of the middle diamond-shaped pin (4) is the left and right directions, the adjusting block (5) is L-shaped, the adjusting block (5) is fixedly arranged on the base (1), the adjusting pad (6) capable of being ground is arranged on the two inner sides of the adjusting block (5), the mounting seat of the diamond-shaped pin (4) is rectangular, the two right-angle sides of the diamond-shaped pin (4) are attached to the two adjusting pads (6), the right-opposite positions of the diamond-shaped pins (4) on the two sides are respectively provided with an upward pushing cylinder (7), and the three diamond-shaped pins (4) are further provided with a pushing cylinder (7) which is pushed leftwards or rightwards, the telescopic shaft of the pushing cylinder (7) points to the middle diamond-shaped pin (4).
2. The six-cylinder finishing anti-backlash positioning mechanism according to claim 1, wherein: the detection device is characterized in that a connecting plate (8) is arranged beside the pushing oil cylinder (7), a proximity switch (9) is fixedly connected to the connecting plate (8), a detection plate (10) is arranged on a telescopic shaft of the pushing oil cylinder (7), the telescopic shaft is ejected forwards when the pushing oil cylinder (7) works, and the detection plate (10) shields the proximity switch (9).
3. The six-cylinder finishing anti-backlash positioning mechanism according to claim 1, wherein: the adjusting block (5) and the adjusting pad (6) are provided with through holes, threaded holes are formed in the side face of the mounting seat of the diamond-shaped pin (4) and tightened through bolts, and the adjusting block (5), the adjusting pad (6) and the diamond-shaped pin (4) are tightly attached to each other.
4. The six-cylinder finishing anti-backlash positioning mechanism according to claim 1, wherein: the diamond-shaped pin (4) is arranged beside the height positioning block (2).
5. The six-cylinder finishing anti-backlash positioning mechanism according to claim 1, wherein: the top of the diamond pin (4) is provided with a guiding conical surface.
6. The six-cylinder finishing anti-backlash positioning mechanism according to claim 1, wherein: and an adjusting cushion block is arranged below the height positioning block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221043218.1U CN217317723U (en) | 2022-05-05 | 2022-05-05 | Six-cylinder finish machining gap-eliminating positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221043218.1U CN217317723U (en) | 2022-05-05 | 2022-05-05 | Six-cylinder finish machining gap-eliminating positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217317723U true CN217317723U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221043218.1U Active CN217317723U (en) | 2022-05-05 | 2022-05-05 | Six-cylinder finish machining gap-eliminating positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217317723U (en) |
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2022
- 2022-05-05 CN CN202221043218.1U patent/CN217317723U/en active Active
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