CN210388436U - Large part positioning mechanism suitable for large gantry machine tool - Google Patents
Large part positioning mechanism suitable for large gantry machine tool Download PDFInfo
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- CN210388436U CN210388436U CN201921423246.4U CN201921423246U CN210388436U CN 210388436 U CN210388436 U CN 210388436U CN 201921423246 U CN201921423246 U CN 201921423246U CN 210388436 U CN210388436 U CN 210388436U
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Abstract
The utility model discloses a large part positioning mechanism suitable for a large gantry machine tool, which comprises a positioning strip and a clamping mechanism which are arranged in parallel at two sides of a T-shaped groove platform in the width direction; a plurality of cushion blocks which are arranged on the T-shaped groove platform in a rectangular array are arranged between the positioning strip and the clamping mechanism; the clamping mechanism comprises a supporting strip arranged along the length direction of the T-shaped groove platform, at least two pushing oil cylinders arranged towards the positioning strip are arranged on the supporting strip, and the positions of the pushing oil cylinders and the positioning strip are higher than the cushion block; still install the tight jar of two vertical clamp that set up on the support bar, install flexible clamp plate on the piston rod of pressing from both sides tight jar, flexible clamp plate includes two at least scalable nested clamp plate blocks in the axial. The utility model has the advantages of structural design is reasonable, and convenient operation is swift, is convenient for accomplish location and clamping to the box fast, is favorable to improving production efficiency.
Description
Technical Field
The utility model relates to a large-scale longmen lathe auxiliary processing frock technical field, very much relate to a be suitable for large-scale part positioning mechanism of large-scale longmen lathe.
Background
The marine diesel engine has high thermal efficiency, good economical efficiency, easy starting and great adaptability to various ships, and can be used as ship propelling power soon after coming out. The production mode of the key parts of the marine diesel engine is different from the production modes of an automobile engine production line and a special engine, and the production mode of the key parts of the marine diesel engine is single-piece small-batch production. The box body is a basic part of the marine diesel engine, and relevant parts such as shafts, sleeves, gears and the like of relevant parts in the marine diesel engine are connected into a whole and keep correct mutual positions so as to transmit torque or change the rotating speed to complete specified movement. Therefore, the processing quality of the box body directly influences the performance precision and the service life of the marine diesel engine. The box type parts have complex structure, thin and uneven wall, more processing parts and large processing difficulty, and are shown in figure 1.
At present, a marine diesel engine box body is mainly hoisted to a specified position through a crane, and is adjusted to a positioning position through manual push-pull when being placed close to a processing platform, and then the box body is clamped through a clamp. When the box body is clamped and positioned, the universal type and the detachable type clamps are usually adopted, so that a large amount of time is needed for installing the clamps and positioning the box body, the requirement of reducing the auxiliary time as much as possible in the requirement of a machining process is violated, and the machining efficiency is influenced.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a structural design is reasonable, and convenient operation is swift, is convenient for accomplish fast the location and the clamping to the box, is favorable to improving production efficiency's large-scale part positioning mechanism who is suitable for large-scale longmen lathe
In order to solve the technical problem, the utility model discloses a following technical scheme:
a large part positioning mechanism suitable for a large gantry machine tool is characterized by comprising a positioning strip and a clamping mechanism which are arranged on two sides of a T-shaped groove platform in parallel in the width direction, wherein the distance between the positioning strip and the clamping mechanism is larger than the width of a box part to be processed; a plurality of cushion blocks which are arranged on the T-shaped groove platform in a rectangular array are further arranged between the positioning strip and the clamping mechanism, and the maximum distance between the cushion blocks close to the clamping mechanism and the positioning strip in the width direction of the T-shaped groove platform is smaller than the width of the box part to be processed;
the clamping mechanism comprises a supporting strip arranged along the length direction of the T-shaped groove platform, at least two pushing oil cylinders arranged towards the positioning strip are arranged on the supporting strip, and the positions of the pushing oil cylinders and the positioning strip are higher than the cushion block; still install the tight jar of two vertical clamp that set up on the support bar, install flexible clamp plate on the piston rod of pressing from both sides tight jar, flexible clamp plate includes two at least scalable nested clamp plate blocks in the axial.
By adopting the structure, the box type part to be processed is hoisted to the cushion block between the positioning strip and the clamping mechanism only by adopting the travelling crane, and the pushing oil cylinder can be used for slowly pushing the box body towards the direction of the positioning strip due to the fact that the position of the pushing oil cylinder and the positioning strip are higher than the cushion block, so that the other side of the box body is attached to the positioning strip, and the positioning of the position of the box body can be realized. After the pushing oil cylinder pushes the box body towards the direction of the positioning strip, the distance between the box body and the supporting strip is increased, the telescopic nested pressing plate block is adopted, the distance change between the box body and the supporting strip can be adapted, and the clamping cylinder is used for contracting the piston rod, so that the box body can be clamped on the cushion block. Because the telescopic pressing plate is arranged in a telescopic manner, the telescopic pressing plate can be contracted when not in use, and the occupied space is reduced.
Furthermore, the bottoms of the positioning strips and the supporting strips are respectively provided with an inverted T-shaped clamping block matched with a T-shaped groove in the T-shaped groove platform along the length direction, and the inverted T-shaped clamping blocks of the positioning strips and the supporting strips can be clamped in the T-shaped groove platform in a sliding mode.
Like this, push the back on the location strip through pushing the hydro-cylinder with the box, location strip and support bar chucking are in T type inslot under the box with push the reaction force of hydro-cylinder, need not to set up extra fastening member to location strip and support bar, simplify the structure of location strip and support bar.
Furthermore, one end of the telescopic pressure plate is hinged to a piston rod of the clamping cylinder, so that the telescopic pressure plate can rotate to a position parallel to the piston rod; and a limiting mechanism is further arranged between the piston rod and the telescopic pressing plate, so that the telescopic pressing plate can be horizontally pressed on the box body to be processed when the piston rod is contracted.
Therefore, the telescopic pressing plate can rotate to the position where the piston rods are parallel to each other, so that the occupied space can be further reduced, the piston rods can be kept in the direction perpendicular to the piston rods through the limiting mechanisms, and the telescopic pressing plate can clamp the box body under the action of the limiting mechanisms when the piston rods shrink.
Furthermore, the limiting mechanism comprises a connecting rod, two ends of the connecting rod are respectively hinged to the piston rod and the telescopic pressing plate; the piston rod is provided with a sliding groove arranged along the axial direction and a sliding block arranged in the sliding groove in a sliding manner, and the telescopic pressing plate is hinged on the sliding block; the piston rod is further provided with a slot which radially penetrates through the sliding groove and a fixing bolt which can be plugged and pulled, and when the sliding block is positioned above the bolt, the telescopic pressing plate is in a horizontal state and forms a right-angled triangle structure with the connecting rod.
Furthermore, two ends of the positioning bar and the supporting bar are respectively provided with at least one roller mechanism, each roller mechanism comprises a top support assembly with a telescopic lower end and a roller arranged below the top support assembly, and when the lower end of the top support assembly extends out, the lower end of the roller protrudes downwards and is supported on the T-shaped groove platform; when the lower end of the top bracing assembly contracts, the roller is integrally retracted in the positioning strips and the supporting strips.
Furthermore, the positioning strips and the supporting strips are provided with top support assembly mounting holes and roller accommodating holes for accommodating the rollers, which are arranged in sequence along the vertical direction; the top support assembly comprises a top support rod vertically penetrating through the top support assembly mounting hole, and a guide structure arranged along the axial direction is arranged between the top support rod and the top support assembly mounting hole, so that the top support rod can move along the axial direction of the top support assembly mounting hole; the upper end of the top stay bar is provided with a boss which is formed by protruding outwards along the radial direction, the lower end of the top stay assembly mounting hole is provided with a convex ring which is formed by protruding inwards along the radial direction, the top stay bar is sleeved with a spiral spring, and two ends of the spiral spring are respectively abutted against the boss and the convex ring; the top supporting assembly further comprises a top pressing rod which is arranged at the upper end of the top supporting assembly mounting hole in a pressing mode through a cover plate, and the upper end of the top pressing rod is connected with a rotating handle which penetrates through the cover plate; the lower end of the top pressure rod and the upper end of the top supporting rod are provided with inclined planes which are correspondingly arranged, so that when the top pressure rod rotates, the inclined planes of the top supporting rod are extruded by the top pressure rod through the inclined planes, and the top supporting rod extends downwards.
Furthermore, the part of the top stay bar, which is positioned at the lower end of the boss, is in a regular polygon prism shape, the shape of the inner hole of the convex ring is matched with that of the top stay bar, and the inner hole and the top stay bar form the guide structure, so that the top stay bar can move along the axial direction of the mounting hole of the top stay assembly.
Furthermore, the upper end of the jacking rod is provided with an inner hexagonal hole, and the rotating handle is an inner hexagonal wrench.
Further, the cushion block comprises a cushion block main body which is integrally rectangular, a gap is formed in the middle of the cushion block main body, a jacking mechanism is installed on the cushion block main body, the jacking mechanism comprises a jacking oil cylinder and a jacking plate connected to a piston rod of the jacking oil cylinder, and a rolling element is installed on the jacking plate; when a piston rod of the jacking oil cylinder contracts, the upper end of the rolling element is lower than the upper surface of the cushion block main body; when a piston rod of the jacking oil cylinder extends out, the upper end of the rolling element is higher than the upper surface of the cushion block main body.
Therefore, the jacking plate can be upwards ejected out through the jacking oil cylinder, so that the rolling element on the jacking plate is supported at the bottom of the box body, the sliding friction between the box body and the cushion block is changed into rolling friction, and the adjustment of the box body is more convenient and faster. Once the adjustment is in place, the jacking oil cylinder is contracted, so that the box body stably falls on the cushion block, and the box body is prevented from sideslipping.
Furthermore, the jacking plate is vertically arranged, and the lower end of the jacking plate is hinged to the cushion block main body; the rolling element is a roller mounted at the upper end of the jacking plate, and the jacking oil cylinder is obliquely arranged between the jacking plate and the cushion block main body, so that the jacking plate can swing around a hinge shaft.
The jacking plate is vertically arranged, and the lower end of the jacking plate is hinged to the cushion block main body, so that the jacking plate can swing around a hinge shaft under the telescopic pushing of the jacking oil cylinder, and when the jacking plate swings to an inclined angle, the height of the roller in the vertical direction is reduced, so that the roller at the upper end can be hidden below the upper surface of the cushion block main body, and a box body can be stably placed on the cushion block; and when the jacking plate swings to a vertical state, the roller rises to the highest position, so that the roller at the upper end can be pushed to the upper surface of the cushion block main body, and the position of the box body can be adjusted conveniently. During concrete implementation, the jacking plate can be horizontally arranged at the upper end of the jacking oil cylinder in the vertical arrangement, the rolling balls are arranged on the upper surface of the jacking plate, the jacking plate is lifted through the jacking oil cylinder, when the balls of the jacking plate are higher than the upper surface of the base plate main body, the box body can move in any direction on the horizontal plane through the balls, and the box body position can be adjusted more conveniently.
To sum up, the utility model has the advantages of structural design is reasonable, and convenient operation is swift, is convenient for accomplish location and clamping to the box fast, is favorable to improving production efficiency.
Drawings
Fig. 1 is a schematic structural view of a marine diesel engine case.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the spacer.
Fig. 4 is a mechanism diagram of the roller mechanism.
Fig. 5 is a schematic view showing the structure of the clamping cylinder portion of fig. 2.
Fig. 6 is a schematic diagram of a partially enlarged structure at a circle in fig. 5.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the specific implementation: as shown in fig. 2, the large part positioning mechanism suitable for the large gantry machine tool comprises a positioning strip 3 and a clamping mechanism 4 which are arranged on two sides of a T-shaped groove platform 1 in the width direction in parallel, wherein the distance between the positioning strip 3 and the clamping mechanism 4 is larger than the width of a box part to be processed; a plurality of cushion blocks 2 which are arranged on the T-shaped groove platform 1 in a rectangular array are further arranged between the positioning strip 3 and the clamping mechanism 4, and the maximum distance between the cushion blocks 2 which are close to the clamping mechanism 4 and the positioning strip 3 in the width direction of the T-shaped groove platform 1 is smaller than the width of a box part to be processed; the clamping mechanism 4 comprises a supporting strip 41 arranged along the length direction of the T-shaped groove platform 1, at least two pushing oil cylinders 42 arranged towards the positioning strips 3 are mounted on the supporting strip 41, and the positions of the pushing oil cylinders 42 and the positioning strips 3 are higher than the cushion blocks 2; still install the tight cylinder 43 of two vertical clamp that set up on the support bar 41, install flexible clamp plate 44 on the piston rod of tight cylinder 43 of clamp, flexible clamp plate 44 includes two at least scalable nested clamp plate blocks in the axial.
By adopting the structure, the box type part to be processed is hoisted to the cushion block between the positioning strip and the clamping mechanism only by adopting the travelling crane, and the pushing oil cylinder can be used for slowly pushing the box body towards the direction of the positioning strip due to the fact that the position of the pushing oil cylinder and the positioning strip are higher than the cushion block, so that the other side of the box body is attached to the positioning strip, and the positioning of the position of the box body can be realized. After the pushing oil cylinder pushes the box body towards the direction of the positioning strip, the distance between the box body and the supporting strip is increased, the telescopic nested pressing plate block is adopted, the distance change between the box body and the supporting strip can be adapted, and the clamping cylinder is used for contracting the piston rod, so that the box body can be clamped on the cushion block. Because the telescopic pressing plate is arranged in a telescopic manner, the telescopic pressing plate can be contracted when not in use, and the occupied space is reduced.
During implementation, the bottoms of the positioning strips 3 and the supporting strips 41 are respectively provided with an inverted T-shaped clamping block matched with a T-shaped groove on the T-shaped groove platform along the length direction, and the inverted T-shaped clamping blocks of the positioning strips 3 and the supporting strips 41 can be clamped into the T-shaped groove on the T-shaped groove platform in a sliding mode.
Like this, push the back on the location strip through pushing the hydro-cylinder with the box, location strip and support bar chucking are in T type inslot under the box with push the reaction force of hydro-cylinder, need not to set up extra fastening member to location strip and support bar, simplify the structure of location strip and support bar.
In implementation, one end of the telescopic pressing plate 44 is hinged to the piston rod of the clamping cylinder 43, so that the telescopic pressing plate 44 can rotate to a position parallel to the piston rod; a limiting mechanism is further arranged between the piston rod and the telescopic pressing plate 44, so that the telescopic pressing plate 44 can be horizontally pressed on the box body to be processed when the piston rod is contracted.
Therefore, the telescopic pressing plate can rotate to the position where the piston rods are parallel to each other, so that the occupied space can be further reduced, the piston rods can be kept in the direction perpendicular to the piston rods through the limiting mechanisms, and the telescopic pressing plate can clamp the box body under the action of the limiting mechanisms when the piston rods shrink.
In practice, as shown in fig. 5 and 6, the limiting mechanism includes a connecting rod 45 with two ends respectively hinged to the piston rod and the telescopic pressing plate 44; the piston rod is provided with a sliding groove arranged along the axial direction and a sliding block arranged in the sliding groove in a sliding way, and the telescopic pressing plate 44 is hinged on the sliding block; the piston rod is further provided with a slot which radially penetrates through the sliding groove and a fixing bolt 46 which can be plugged and pulled, and when the sliding block is positioned above the bolt 46, the telescopic pressing plate 44 is in a horizontal state and forms a right-angled triangle structure with the connecting rod 45.
In implementation, as shown in fig. 4, at least one roller mechanism 5 is respectively disposed at two ends of the positioning bar 3 and the supporting bar 41, the roller mechanism 5 includes a top support assembly with a retractable lower end and a roller 51 installed below the top support assembly, and when the lower end of the top support assembly extends out, the lower end of the roller 5 protrudes downwards and is supported on the T-shaped groove platform; when the lower end of the top bracing assembly is contracted, the roller is integrally contracted in the positioning strips 3 and the supporting strips 41.
In implementation, the positioning bars 3 and the supporting bars 41 are provided with top support assembly mounting holes and roller accommodating holes for accommodating the rollers 51, which are arranged in sequence along the vertical direction; the top bracing assembly comprises a top bracing rod 52 vertically penetrating through the top bracing assembly mounting hole, and a guide structure arranged along the axial direction is arranged between the top bracing rod 52 and the top bracing assembly mounting hole, so that the top bracing rod can move along the axial direction of the top bracing assembly mounting hole; the upper end of the top stay bar is provided with a boss which is formed by protruding outwards along the radial direction, the lower end of the top stay assembly mounting hole is provided with a convex ring which is formed by protruding inwards along the radial direction, the top stay bar is sleeved with a spiral spring 53, and two ends of the spiral spring 53 are respectively abutted against the boss and the convex ring; the top support assembly further comprises a top pressure rod 54 which is arranged at the upper end of the top support assembly mounting hole in a pressing mode through a cover plate, and the upper end of the top pressure rod 54 is connected with a rotating handle which penetrates through the cover plate; the lower end of the top pressure rod 54 and the upper end of the top support rod 52 are provided with correspondingly arranged inclined surfaces, so that when the top pressure rod 54 rotates, the top pressure rod 54 presses the inclined surface of the top support rod 52 through the inclined surface to enable the top support rod 52 to extend downwards.
In practice, the part of the top brace 52 at the lower end of the boss is in a regular polygon prism shape, the shape of the inner hole of the convex ring is matched with the shape of the top brace 52, and the inner hole and the top brace form the guide structure, so that the top brace 52 can move along the axial direction of the top brace assembly mounting hole.
In practice, the top pressure rod 54 has a hexagonal socket at its upper end, and the rotating handle is a socket head wrench.
In implementation, as shown in fig. 3, the cushion block 2 includes a cushion block main body 21 which is a cuboid as a whole, a gap is formed in the middle of the cushion block main body 21, and a jacking mechanism is installed in the gap, the jacking mechanism includes a jacking cylinder 22 and a jacking plate 23 connected to a piston rod of the jacking cylinder 22, and a rolling element 24 is installed on the jacking plate 23; when the piston rod of the jacking cylinder 22 is contracted, the upper end of the rolling element 24 is lower than the upper surface of the cushion block main body; when the piston rod of the jacking cylinder 22 extends, the upper end of the rolling element 24 is higher than the upper surface of the cushion block main body.
Therefore, the jacking plate can be upwards ejected out through the jacking oil cylinder, so that the rolling element on the jacking plate is supported at the bottom of the box body, the sliding friction between the box body and the cushion block is changed into rolling friction, and the adjustment of the box body is more convenient and faster. Once the adjustment is in place, the jacking oil cylinder is contracted, so that the box body stably falls on the cushion block, and the box body is prevented from sideslipping.
In implementation, the jacking plate 23 is vertically arranged, and the lower end of the jacking plate is hinged to the cushion block main body 21; the rolling elements 24 are rollers mounted on the upper end of the jacking plate 23, and the jacking cylinder 22 is obliquely arranged between the jacking plate 23 and the pad main body 21, so that the jacking plate 23 can swing around a hinge shaft.
The jacking plate is vertically arranged, and the lower end of the jacking plate is hinged to the cushion block main body, so that the jacking plate can swing around a hinge shaft under the telescopic pushing of the jacking oil cylinder, and when the jacking plate swings to an inclined angle, the height of the roller in the vertical direction is reduced, so that the roller at the upper end can be hidden below the upper surface of the cushion block main body, and a box body can be stably placed on the cushion block; and when the jacking plate swings to a vertical state, the roller rises to the highest position, so that the roller at the upper end can be pushed to the upper surface of the cushion block main body, and the position of the box body can be adjusted conveniently. During concrete implementation, the jacking plate can be horizontally arranged at the upper end of the jacking oil cylinder in the vertical arrangement, the rolling balls are arranged on the upper surface of the jacking plate, the jacking plate is lifted through the jacking oil cylinder, when the balls of the jacking plate are higher than the upper surface of the base plate main body, the box body can move in any direction on the horizontal plane through the balls, and the box body position can be adjusted more conveniently.
When the lifting device is implemented, the two lifting plates 23 are arranged, the lower ends of the two lifting plates are hinged to the cushion block main body 21, and the upper ends of the two lifting plates 23 are hinged to the connecting plate 25 to form a parallelogram structure.
Therefore, two jacking plates are arranged on each cushion block, and the stability of the roller supporting box body can be improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A large part positioning mechanism suitable for a large gantry machine tool is characterized by comprising a positioning strip and a clamping mechanism which are arranged on two sides of a T-shaped groove platform in parallel in the width direction, wherein the distance between the positioning strip and the clamping mechanism is larger than the width of a box part to be processed; a plurality of cushion blocks which are arranged on the T-shaped groove platform in a rectangular array are further arranged between the positioning strip and the clamping mechanism, and the maximum distance between the cushion blocks close to the clamping mechanism and the positioning strip in the width direction of the T-shaped groove platform is smaller than the width of the box part to be processed;
the clamping mechanism comprises a supporting strip arranged along the length direction of the T-shaped groove platform, at least two pushing oil cylinders arranged towards the positioning strip are arranged on the supporting strip, and the positions of the pushing oil cylinders and the positioning strip are higher than the cushion block; still install the tight jar of two vertical clamp that set up on the support bar, install flexible clamp plate on the piston rod of pressing from both sides tight jar, flexible clamp plate includes two at least scalable nested clamp plate blocks in the axial.
2. The large part positioning mechanism suitable for the large gantry machine tool as claimed in claim 1, wherein the bottom of each of the positioning bars and the supporting bars is provided with an inverted T-shaped fixture block matched with the T-shaped groove on the T-shaped groove platform along the length direction, and the inverted T-shaped fixture blocks of the positioning bars and the supporting bars are slidably clamped into the T-shaped grooves on the T-shaped groove platform.
3. The large-scale part positioning mechanism for the large-scale gantry machine tool according to claim 1, wherein one end of the telescopic pressing plate is hinged to a piston rod of the clamping cylinder, so that the telescopic pressing plate can rotate to a position parallel to the piston rod; and a limiting mechanism is further arranged between the piston rod and the telescopic pressing plate, so that the telescopic pressing plate can be horizontally pressed on the box body to be processed when the piston rod is contracted.
4. The large-scale part positioning mechanism suitable for the large-scale gantry machine tool according to claim 3, wherein the limiting mechanism comprises a connecting rod, two ends of which are respectively hinged on the piston rod and the telescopic pressing plate; the piston rod is provided with a sliding groove arranged along the axial direction and a sliding block arranged in the sliding groove in a sliding manner, and the telescopic pressing plate is hinged on the sliding block; the piston rod is further provided with a slot which radially penetrates through the sliding groove and a fixing bolt which can be plugged and pulled, and when the sliding block is positioned above the bolt, the telescopic pressing plate is in a horizontal state and forms a right-angled triangle structure with the connecting rod.
5. The large-scale part positioning mechanism suitable for the large-scale gantry machine tool according to claim 1, wherein at least one roller mechanism is arranged at each of two ends of the positioning bar and the supporting bar, the roller mechanism comprises a top bracing assembly with a telescopic lower end and a roller arranged below the top bracing assembly, and when the lower end of the top bracing assembly extends out, the lower end of the roller protrudes downwards and props against the T-shaped groove platform; when the lower end of the top bracing assembly contracts, the roller is integrally retracted in the positioning strips and the supporting strips.
6. The large-scale part positioning mechanism suitable for the large-scale gantry machine tool according to claim 5, wherein the positioning bars and the supporting bars are provided with top support assembly mounting holes and roller receiving holes for receiving the rollers, which are arranged in sequence in the vertical direction; the top support assembly comprises a top support rod vertically penetrating through the top support assembly mounting hole, and a guide structure arranged along the axial direction is arranged between the top support rod and the top support assembly mounting hole, so that the top support rod can move along the axial direction of the top support assembly mounting hole; the upper end of the top stay bar is provided with a boss which is formed by protruding outwards along the radial direction, the lower end of the top stay assembly mounting hole is provided with a convex ring which is formed by protruding inwards along the radial direction, the top stay bar is sleeved with a spiral spring, and two ends of the spiral spring are respectively abutted against the boss and the convex ring; the top supporting assembly further comprises a top pressing rod which is arranged at the upper end of the top supporting assembly mounting hole in a pressing mode through a cover plate, and the upper end of the top pressing rod is connected with a rotating handle which penetrates through the cover plate; the lower end of the top pressure rod and the upper end of the top supporting rod are provided with inclined planes which are correspondingly arranged, so that when the top pressure rod rotates, the inclined planes of the top supporting rod are extruded by the top pressure rod through the inclined planes, and the top supporting rod extends downwards.
7. A large part positioning mechanism suitable for a large gantry machine tool according to claim 6, wherein the part of the top brace located at the lower end of the boss is in a regular polygon prism shape, the shape of the inner hole of the convex ring is matched with the shape of the top brace, and the inner hole and the shape of the convex ring form the guide structure, so that the top brace can move along the axial direction of the top brace assembly mounting hole.
8. A large part positioning mechanism suitable for a large gantry machine tool according to claim 6, wherein the top press rod has a hexagonal socket at the upper end, and the rotating handle is a hexagonal socket wrench.
9. The large-scale part positioning mechanism suitable for the large-scale gantry machine tool according to claim 1, wherein the cushion block comprises a cushion block main body which is integrally rectangular, a gap is formed in the middle of the cushion block main body, a jacking mechanism is installed on the cushion block main body, the jacking mechanism comprises a jacking oil cylinder and a jacking plate connected to a piston rod of the jacking oil cylinder, and rolling elements are installed on the jacking plate; when a piston rod of the jacking oil cylinder contracts, the upper end of the rolling element is lower than the upper surface of the cushion block main body; when a piston rod of the jacking oil cylinder extends out, the upper end of the rolling element is higher than the upper surface of the cushion block main body.
10. The large-scale part positioning mechanism for the large-scale gantry machine tool according to claim 9, wherein the lifting plate is vertically disposed and the lower end is hinged to the block body; the rolling element is a roller mounted at the upper end of the jacking plate, and the jacking oil cylinder is obliquely arranged between the jacking plate and the cushion block main body, so that the jacking plate can swing around a hinge shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423246.4U CN210388436U (en) | 2019-08-29 | 2019-08-29 | Large part positioning mechanism suitable for large gantry machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423246.4U CN210388436U (en) | 2019-08-29 | 2019-08-29 | Large part positioning mechanism suitable for large gantry machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210388436U true CN210388436U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921423246.4U Active CN210388436U (en) | 2019-08-29 | 2019-08-29 | Large part positioning mechanism suitable for large gantry machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210388436U (en) |
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2019
- 2019-08-29 CN CN201921423246.4U patent/CN210388436U/en active Active
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Address after: Chongqing University of technology, 69 Hongguang Avenue, Banan District, Chongqing 400054 Patentee after: Chongqing University of Technology Patentee after: Chongqing GAOJIN Industrial Co.,Ltd. Address before: Chongqing University of technology, 69 Hongguang Avenue, Banan District, Chongqing 400054 Patentee before: Chongqing University of Technology Patentee before: CHONGQING GAOKIN INDUSTRY Co.,Ltd. |
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