CN113263341A - Machine tool hydraulic clamping device suitable for machining of machine tool plate - Google Patents
Machine tool hydraulic clamping device suitable for machining of machine tool plate Download PDFInfo
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- CN113263341A CN113263341A CN202110634541.XA CN202110634541A CN113263341A CN 113263341 A CN113263341 A CN 113263341A CN 202110634541 A CN202110634541 A CN 202110634541A CN 113263341 A CN113263341 A CN 113263341A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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Abstract
The embodiment of the invention is suitable for the technical field of plate machining, and provides a machine tool hydraulic clamping device suitable for machining a plate of a machine tool, which comprises: the processing platform comprises a first processing table and a second processing table, and the relative position between the first processing table and the second processing table is adjusted through a position adjusting mechanism; and the two groups of positioning and clamping mechanisms are respectively arranged on the first processing table and the second processing table, and the two ends of the plate to be processed, which is placed on the processing platform, are respectively positioned and clamped through the two groups of positioning and clamping mechanisms. The embodiment of the invention utilizes the position adjusting mechanism to adjust the distance between the first processing table and the second processing table; utilize positive and negative servo motor drive location clamping mechanism operation, when utilizing the setting element to treat that the processing plate carries out the location centre gripping, compress tightly the piece and treat that the processing plate compresses tightly fixedly, can solve and can't carry out quick location and press from both sides tight problem to the plate.
Description
Technical Field
The embodiment of the invention belongs to the technical field of plate machining, and particularly relates to a hydraulic clamping device of a machine tool, which is suitable for machining a plate of the machine tool.
Background
The clamping device is used for fixing a processing object to occupy a correct position for receiving construction or detection in a mechanical manufacturing process.
The plate is divided into a thin plate, a middle plate, a thick plate, an extra-thick plate and a flat rectangular plate which is usually made into a standard size. Traditional plate clamping device is in the use, and the locating place of plate on the workstation often can't carry out self-adaptation's adjustment, often needs manual location earlier the back, and restart clamping device presss from both sides tightly the plate, and the process is many and lead to inefficiency, and is not good to the tight effect of clamp of plate, can't realize carrying out quick location and clamp tightly to the plate in step, and efficiency ratio is lower, also relatively more troublesome.
Disclosure of Invention
The embodiment of the invention aims to provide a machine tool hydraulic clamping device suitable for machining a machine tool plate, and aims to solve the problems that a traditional clamping device cannot synchronously realize quick positioning and clamping of the plate, and is low in efficiency and troublesome. The embodiment of the invention is realized as follows:
a hydraulic clamping device for a machine tool for machining a plate, comprising:
the processing platform comprises a first processing table and a second processing table, and the relative position between the first processing table and the second processing table is adjusted through a position adjusting mechanism;
the two groups of positioning and clamping mechanisms are respectively arranged on the first processing table and the second processing table, and two ends of a plate to be processed, which is placed on the processing platform, are respectively positioned and clamped through the two groups of positioning and clamping mechanisms;
wherein, the positioning and clamping mechanism comprises:
the first screw rod is rotatably arranged, a first external thread is arranged on the outer ring of one side of the first screw rod, and a second external thread is arranged on the outer ring of the other side of the first screw rod;
the first screw rod is rotatably arranged on the fixed upright in a penetrating manner, and a second hinged shaft is arranged at the top end of the fixed upright;
the lifting piece comprises a second movable threaded sleeve sleeved on the first external thread in a threaded connection mode, the outer side surface of the second movable threaded sleeve is fixedly connected with a fixed threaded sleeve, the fixed threaded sleeve is sleeved on the lifting screw rod in a threaded connection mode, and the top end of the lifting screw rod is rotatably connected with a hinge base;
the clamping piece comprises a pressure lever, and one end of the pressure lever is rotatably hinged on the hinge seat through a first hinge shaft; the clamping piece also comprises a pressing block fixedly arranged at the other end of the pressing rod; the middle part of the pressure lever is slidably supported and sleeved on the second articulated shaft through a strip-shaped through hole formed in the middle part of the pressure lever;
and connecting a positioning piece arranged on the second external thread.
In a preferred embodiment of the present invention, the positioning and clamping mechanism further comprises:
the positive and negative rotation servo motor is used for driving the first screw rod to rotate, an output shaft of the positive and negative rotation servo motor is in transmission connection with the first screw rod in a gear meshing mode, a driving bevel gear is arranged on the output shaft of the positive and negative rotation servo motor, and a first driven bevel gear meshed with the driving bevel gear is arranged on the first screw rod.
In a preferred embodiment of the present invention, the positioning element includes a positioning block and a first movable threaded sleeve, and the first movable threaded sleeve is sleeved on the second external thread in a threaded connection manner; the positioning block is in supporting connection with the first movable threaded sleeve through a supporting spring.
In a preferred embodiment of the present invention, the lifting member further includes a fixed rack fixedly disposed thereon, the lifting member further includes a movable sleeve, and a lower portion of the lifting screw rod axially slidably extends into a second rectangular cavity formed on the movable sleeve; and an annular external gear meshed with the fixed rack is fixedly arranged on the outer ring of the movable sleeve.
In a preferred embodiment of the present invention, a second guide rail groove is formed on an inner wall of an inner cavity of the movable sleeve, a second guide block matched with the second guide rail groove is fixedly arranged on an outer wall of a bottom end of the lifting screw rod extending into the second rectangular cavity, and the second guide block is slidably arranged in the second guide rail groove.
In a preferred embodiment of the present invention, a first rectangular cavity is formed in the positioning block, a rectangular slider is slidably supported in the first rectangular cavity, and an end of the first lead screw extending into the first rectangular cavity is rotatably connected to the rectangular slider.
In a preferred embodiment of the present invention, the movable sleeve is rotatably mounted on a first guide block, and the first guide block is horizontally slidably disposed in the first guide rail groove.
In a preferred embodiment of the present invention, the first processing table has a supporting step groove, and the second processing table has a supporting step block slidably disposed in the supporting step groove.
In a preferred embodiment of the present invention, the position adjustment mechanism includes:
a second screw rod arranged on the supporting step groove is rotated, the second screw rod is screwed into the internal thread cavity in a threaded connection mode, and the internal thread cavity is formed in the supporting step block;
and the first processing table is rotatably provided with a linkage bevel gear meshed with the second driven bevel gear, and the linkage bevel gear can drive the second screw rod to rotate when rotating.
In a preferred embodiment of the present invention, a hydraulic cylinder is mounted on the first processing table, a movable base is provided at a telescopic end of the hydraulic cylinder, a forward/reverse rotation servo motor is fixedly mounted on the movable base, the activated forward/reverse rotation servo motor drives the first screw rod to rotate when the movable base is pushed to move by using a telescopic function of the hydraulic cylinder so that the drive bevel gear is engaged with the first driven bevel gear, the activated forward/reverse rotation servo motor drives the second screw rod to rotate when the movable base is pushed to move by using a telescopic function of the hydraulic cylinder so that the drive bevel gear is engaged with the linkage bevel gear, and the position of the support table step in the support table step groove can be adjusted according to a rotation direction of the second screw rod, so that the relative position between the first processing table and the second processing table can be adjusted.
Compared with the prior art, in the hydraulic clamping device of the machine tool provided by the embodiment of the invention, firstly, the distance between the first processing table and the second processing table is adjusted by using the position adjusting mechanism according to the size of the plate to be processed, and then the plate to be processed is placed on the processing platform; then utilize positive and negative servo motor drive location clamping mechanism to move, when utilizing the setting element to treat that the plate carries out the location centre gripping, compress tightly the piece and treat that the plate compresses tightly fixedly, can solve the unable synchronous realization of traditional device and carry out quick location and press from both sides tight, inefficiency and troublesome problem to the plate.
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 or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a structural diagram of a hydraulic clamping device of a machine tool, which is suitable for machining a plate of the machine tool according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a positioning and clamping mechanism in a hydraulic clamping device of a machine tool suitable for machining a plate of the machine tool according to an embodiment of the present invention;
FIG. 3 is a front view of the elevator member of the positioning and clamping mechanism provided in accordance with an embodiment of the present invention;
FIG. 4 is a perspective view of a clamping member of the positioning and clamping mechanism of the present invention;
FIG. 5 is a partial perspective view of a lifter of the positioning and clamping mechanism of the present invention;
fig. 6 is a schematic structural diagram of a positioning element in the positioning and clamping mechanism according to an embodiment of the present invention.
In the drawings: 1. a first processing table; 2. a plate to be processed; 3. a pressure lever; 4. a compression block; 5. fixing the upright post; 6. a positive and negative rotation servo motor; 7. a first lead screw; 71. a first external thread; 72. a second external thread; 8. positioning blocks; 81. an inclined surface; 9. a first driven bevel gear; 10. a drive bevel gear; 11. a first movable threaded sleeve; 12. a support spring; 13. a first rectangular cavity; 14. a rectangular slider; 15. a first guide rail groove; 16. fixing a rack; 17. moving the sleeve; 18. a first guide block; 19. a second driven bevel gear; 20. a second guide rail groove; 21. a second guide block; 22. a lifting screw rod; 23. a first hinge shaft; 24. a second hinge shaft; 25. a strip-shaped through hole; 26. a second movable threaded sleeve; 27. a fixed seat; 28. a second rectangular cavity; 29. a hinged seat; 30. a hinge through hole; 31. fixing the threaded sleeve; 32. an annular outer gear; 33. a hydraulic cylinder; 34. a movable seat; 35. a second processing table; 36. supporting the step groove; 37. supporting the bench block; 38. an internal threaded cavity; 39. a second lead screw; 40. the bevel gear is linked.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As is known, currently, during the processing of the panel, the panel needs to be fixed, and the panel needs to be fixed to meet the preparation step before the processing. Traditional plate clamping device is in the use, and the locating place of plate on the workstation often can't carry out self-adaptation's adjustment, often needs manual location earlier the back, and restart clamping device presss from both sides tightly the plate, and the process is many and lead to inefficiency, and is not good to the tight effect of clamp of plate, can't realize carrying out quick location and clamp tightly to the plate in step, and efficiency ratio is lower, also relatively more troublesome.
In order to solve the problems, the embodiment of the invention provides a machine tool hydraulic clamping device suitable for machining a machine tool plate, and the clamping device can solve the problems that a traditional device cannot synchronously realize quick positioning and clamping of the plate, and is low in efficiency and troublesome.
The following describes in detail a specific implementation of the clamping device provided by the embodiment of the present invention with reference to specific embodiments.
As shown in fig. 1, a structural diagram of a hydraulic clamping device of a machine tool suitable for machining a plate of the machine tool according to an embodiment of the present invention is provided, where the hydraulic clamping device of the machine tool includes:
a processing platform, wherein the processing platform comprises a first processing table 1 and a second processing table 35, and the relative position between the first processing table 1 and the second processing table 35 is adjusted through a position adjusting mechanism;
the two groups of positioning and clamping mechanisms are respectively arranged on the first processing table 1 and the second processing table 35, and two ends of the plate 2 to be processed, which is placed on the processing platform, are respectively positioned and clamped through the two groups of positioning and clamping mechanisms so as to realize the fixing effect of the plate 2 to be processed;
wherein, because the relative position between first processing platform 1 and the second processing platform 35 can be adjusted through position control mechanism, consequently, can adjust the distance between two sets of location clamping mechanism, conveniently fix a position the clamp tightly fixedly to waiting to process plate 2 of different specification and dimension.
In the hydraulic clamping device for a machine tool according to the embodiment of the present invention, the two sets of positioning and clamping mechanisms have the same structure, and for convenience of description, the positioning and clamping mechanisms provided on the second processing table 35 will be described in detail below;
specifically, as shown in fig. 2, in the positioning and clamping mechanism provided in the embodiment of the present invention, the positioning and clamping mechanism includes:
the first screw rod 7 is rotatably arranged, a first external thread 71 is arranged on the outer ring of one side of the first screw rod 7, and a second external thread 72 is arranged on the outer ring of the other side of the first screw rod 7;
the first screw 7 is rotatably arranged on the fixed upright post 5 in a penetrating manner, and a second hinge shaft 24 is arranged at the top end of the fixed upright post 5;
further, as shown in fig. 2, 3 and 5, in a preferred embodiment of the present invention, the hydraulic clamping device for a machine tool further includes:
the lifting piece comprises a second movable threaded sleeve 26 sleeved on the first external thread 71 in a threaded connection mode, the outer side surface of the second movable threaded sleeve 26 is fixedly connected with a fixed threaded sleeve 31, the fixed threaded sleeve 31 is sleeved on the lifting screw rod 22 in a threaded connection mode, the top end of the lifting screw rod 22 is rotatably connected with a hinge seat 29, and the hinge seat 29 is provided with a hinge through hole 30; the lifting member further comprises a fixed rack 16, preferably, in the present embodiment, the fixed rack 16 is fixedly arranged on the second processing table 35; the lifting piece further comprises a movable sleeve 17, and the lower part of the lifting screw rod 22 axially and slidably extends into a second rectangular cavity 28 formed in the movable sleeve 17; the outer ring of the movable sleeve 17 is fixedly provided with an annular outer gear 32 meshed with the fixed rack 16, so that the second movable threaded sleeve 26 moving in the horizontal direction can drive the movable sleeve 17 to move synchronously, the movable sleeve 17 in the horizontal movement process can enable the movable sleeve 17 to rotate under the matching action of the fixed rack 16 and the annular outer gear 32 which are meshed and connected, and the rotating movable sleeve 17 drives the lifting screw rod 22 to rotate, so that the fixed threaded sleeve 31 is sleeved on the lifting screw rod 22 in a threaded connection manner, and the rotating lifting screw rod 22 can perform lifting motion or descending motion in the vertical direction relative to the fixed threaded sleeve 31, and particularly the lifting motion or the descending motion depends on the rotation direction of the lifting screw rod 22;
with reference to fig. 2-3, a second guide rail groove 20 is formed on an inner wall of the inner cavity of the movable sleeve 17, a second guide block 21 matched with the second guide rail groove 20 is fixedly disposed on an outer wall of a bottom end of the lifting screw 22 extending into the second rectangular cavity 28, and the second guide block 21 is slidably disposed in the second guide rail groove 20, so that when the movable sleeve 17 rotates, the lifting screw 22 can be driven to rotate, and relative movement between the lifting screw 22 and the movable sleeve 17 is not affected.
Further, as shown in fig. 2 and 4, in a preferred embodiment of the present invention, the positioning and clamping mechanism further includes:
the clamping piece comprises a pressure lever 3, and one end of the pressure lever 3 is rotatably hinged on the hinge seat 29 through a first hinge shaft 23; the clamping piece also comprises a pressing block 4 fixedly arranged at the other end of the pressing rod 3; the middle part of the pressure lever 3 is slidably supported and sleeved on the second hinge shaft 24 through a strip-shaped through hole 25 formed in the middle part.
Further, with continuing reference to fig. 2 and 6, in a preferred embodiment of the present invention, the positioning and clamping mechanism further includes:
the positioning piece is connected with the second external thread 72 and comprises a positioning piece 8 and a first movable threaded sleeve 11, and the first movable threaded sleeve 11 is sleeved on the second external thread 72 in a threaded connection mode; the positioning block 8 is in supporting connection with the first movable threaded sleeve 11 through a supporting spring 12; a first rectangular cavity 13 is formed in the positioning block 8, a rectangular sliding block 14 is arranged in the first rectangular cavity 13 in a sliding manner, and the end part of the first screw rod 7 extending into the first rectangular cavity 13 is rotatably connected with the rectangular sliding block 14;
in the embodiment of the present invention, the positioning block 8 is slidably supported on the upper surface of the second processing table 35.
Referring to fig. 1-2, in the embodiment of the present invention, the positioning and clamping mechanism further includes:
the positive and negative rotation servo motor 6 is used for driving the first screw rod 7 to rotate, an output shaft of the positive and negative rotation servo motor 6 is in transmission connection with the first screw rod 7 in a gear engagement mode, a driving bevel gear 10 is arranged on the output shaft of the positive and negative rotation servo motor 6, a first driven bevel gear 9 engaged with the driving bevel gear 10 is arranged on the first screw rod 7, when the positive and negative rotation servo motor 6 is started, the first screw rod 7 is driven to rotate under the action of the first driven bevel gear 9 and the driving bevel gear 10 in an engagement fit state, and the positive and negative rotation servo motor 6 has a bidirectional rotation function, so that the first screw rod 7 can be driven to rotate clockwise or anticlockwise.
In the specific use process of the positioning and clamping mechanism provided by the embodiment of the invention, firstly, the plate 2 to be processed is placed on a processing platform, then the forward and reverse servo motor 6 is utilized to drive the first screw rod 7 to rotate, the second movable screw sleeve 26 and the first movable screw sleeve 11 synchronously move rightwards or leftwards according to the rotation direction of the first screw rod 7, in the synchronous leftwards condition, under the elastic supporting action of the supporting spring 12, the movable first movable screw sleeve 11 pushes the positioning block 8 to move, the movable positioning block 8 positions and clamps the plate 2 to be processed, and the first movable screw sleeve 11 can continuously move for a certain distance after the positioning block 8 is abutted against the plate 2 to be processed through the arranged supporting spring 12; and at the same time, the second moving screw sleeve 26 moving drives the fixed screw sleeve 31 to move synchronously in the horizontal direction, and at the same time, the lifting screw rod 22 moving leftwards can drive the moving sleeve 17 to move synchronously, the moving sleeve 17 in the horizontal moving process can make the moving sleeve 17 rotate by itself under the matching action of the fixed rack 16 and the annular external gear 32 which are connected in a meshing way, and the rotating moving sleeve 17 drives the lifting screw rod 22 to rotate, therefore, because the fixed screw sleeve 31 is sleeved on the lifting screw rod 22 in a threaded connection way, the rotating lifting screw rod 22 can make a lifting motion in the vertical direction relative to the fixed screw sleeve 31, at this time, on the one hand, the second moving screw sleeve 26 moving leftwards can make the whole pressing rod 3 move leftwards, so that the pressing block 4 at the end part of the pressing rod 3 can reach the position right above the plate 2 to be processed, and the lifting screw rod 22 moving upwards synchronously, the pressing rod 3 can rotate around the second hinge shaft 24 to enable the pressing block 4 to move downwards to the plate 2 to be processed to be pressed and fixed.
Therefore, it can be understood that during the movement of the first moving screw sleeve 11 and the second moving screw sleeve 26 which move towards the plate 2 to be processed synchronously, the first moving screw sleeve 11 moving towards the plate 2 to be processed can push the positioning block 8 of the positioning element to perform positioning clamping on the plate 2 to be processed; the second movable screw sleeve 26 moving towards the plate 2 to be processed can not only push the pressing rod 3 to move to the position where the pressing block 4 is located above the plate 2 to be processed, but also incline the pressing rod 3 to enable the pressing block 4 to press and fix the plate 2 to be processed; it can be seen that when the plate 2 to be processed is not positioned and clamped, the pressing block 4 is in a state close to the right, that is, the pressing block 4 retreats, and the projection of the pressing block 4 in the vertical direction cannot fall onto the plate 2 to be processed, so that the pressing block 4 cannot interfere with the placement of the plate 2 to be processed on the processing platform, the use effect is good, and the plate 2 to be processed is conveniently placed on the processing platform; and when the positioning piece is utilized to position and clamp the plate 2 to be processed, the pressing piece presses and fixes the plate 2 to be processed, so that the efficiency of positioning and pressing the plate 2 to be processed is improved.
Further, in the preferred embodiment provided by the present invention, the positioning blocks 8 are further provided with inclined planes 81, and by the inclined planes 81, when the plate 2 to be processed is placed between the two sets of positioning blocks 8, the corner angles of the positioning blocks 8 are prevented from damaging the plate 2 to be processed, and the plate 2 to be processed is favorably placed between the two sets of positioning blocks 8.
Further, in a preferred embodiment of the present invention, the movable sleeve 17 is rotatably mounted on the first guide block 18, and the first guide block 18 is horizontally slidably disposed in the first guide rail groove 15, wherein in the present embodiment, the first guide rail groove 15 is opened in the second processing table 35, so that the movable sleeve 17 is not displaced in the vertical direction when moving in the horizontal direction by the first guide block 18 disposed to slide in the first guide rail groove 15.
Further, in the preferred embodiment provided by the present invention, the pitch between the second external thread 72 and the first external thread 71 is different; preferably, the pitch of the first external thread 71 is greater than the pitch of the second external thread 72.
With continued reference to fig. 2, in the preferred embodiment of the present invention, the first lead screw 7 is rotatably disposed on the second processing table 35; a fixed seat 27 is fixedly arranged on one side of the top surface of the second processing table 35, and one end of the first lead screw 7 is rotatably connected with the fixed seat 27.
With continued reference to fig. 1, in another preferred embodiment of the present invention,
the first processing table 1 is provided with a supporting step groove 36, the second processing table 35 is provided with a supporting step block 37, and the supporting step block 37 is arranged on the supporting step groove 36 in a sliding mode.
The position adjustment mechanism provided by the embodiment of the invention comprises:
a second screw rod 39 arranged on the supporting step groove 36 in a rotating mode, wherein the second screw rod 39 is screwed into the internal thread cavity 38 in a threaded connection mode, and the internal thread cavity 38 is arranged on the supporting step block 37;
and the second driven bevel gear 19 is fixedly arranged at the end part of the second screw rod 39, and the first machining table 1 is rotatably provided with a linkage bevel gear 40 meshed with the second driven bevel gear 19, so that when the linkage bevel gear 40 rotates, the second screw rod 39 can be driven to rotate.
Further, in the embodiment of the present invention, a hydraulic cylinder 33 is installed on the first processing table 1, the telescopic end of the hydraulic cylinder 33 is provided with a movable seat 34, the positive and negative rotation servo motor 6 is fixedly arranged on the movable seat 34, when the movable base 34 is pushed to move by the telescopic function of the hydraulic cylinder 33 so that the drive bevel gear 10 is engaged with the first driven bevel gear 9, the activated forward and reverse rotation servo motor 6 drives the first lead screw 7 to rotate, and when the movable base 34 is pushed to move by the telescopic function of the hydraulic cylinder 33 so that the drive bevel gear 10 is engaged with the linkage bevel gear 40, the activated forward and reverse rotation servo motor 6 drives the second lead screw 39 to rotate, further, the position of the support step block 37 in the support step groove 36 can be adjusted according to the rotation direction of the second screw 39, and the relative position between the first processing table 1 and the second processing table 35 can be adjusted.
It can be understood that, in the hydraulic clamping device for a machine tool provided by the embodiment of the present invention, first, the distance between the first processing table 1 and the second processing table 35 is adjusted by the position adjusting mechanism according to the size of the plate 2 to be processed, and then the plate 2 to be processed is placed on the processing platform; then, the positive and negative rotation servo motor 6 is used for driving the positioning and clamping mechanism to operate, and the pressing piece is used for pressing and fixing the plate 2 to be processed while positioning and clamping the plate 2 to be processed by the positioning piece.
In summary, the embodiments of the present invention can solve the problem that the conventional apparatus cannot synchronously position and clamp the plate rapidly, and is inefficient and troublesome.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A hydraulic clamping device for a machine tool for machining a plate of the machine tool, comprising:
the processing platform comprises a first processing table and a second processing table, and the relative position between the first processing table and the second processing table is adjusted through a position adjusting mechanism;
the two groups of positioning and clamping mechanisms are respectively arranged on the first processing table and the second processing table, and two ends of a plate to be processed, which is placed on the processing platform, are respectively positioned and clamped through the two groups of positioning and clamping mechanisms;
wherein, the positioning and clamping mechanism comprises:
the first screw rod is rotatably arranged, a first external thread is arranged on the outer ring of one side of the first screw rod, and a second external thread is arranged on the outer ring of the other side of the first screw rod;
the first screw rod is rotatably arranged on the fixed upright in a penetrating manner, and a second hinged shaft is arranged at the top end of the fixed upright;
the lifting piece comprises a second movable threaded sleeve sleeved on the first external thread in a threaded connection mode, the outer side surface of the second movable threaded sleeve is fixedly connected with a fixed threaded sleeve, the fixed threaded sleeve is sleeved on the lifting screw rod in a threaded connection mode, and the top end of the lifting screw rod is rotatably connected with a hinge base;
the clamping piece comprises a pressure lever, and one end of the pressure lever is rotatably hinged on the hinge seat through a first hinge shaft; the clamping piece also comprises a pressing block fixedly arranged at the other end of the pressing rod; the middle part of the pressure lever is slidably supported and sleeved on the second articulated shaft through a strip-shaped through hole formed in the middle part of the pressure lever;
and connecting a positioning piece arranged on the second external thread.
2. A hydraulic clamping device for a machine tool for machining a plate according to claim 1, wherein said positioning and clamping mechanism further comprises:
the positive and negative rotation servo motor is used for driving the first screw rod to rotate, an output shaft of the positive and negative rotation servo motor is in transmission connection with the first screw rod in a gear meshing mode, a driving bevel gear is arranged on the output shaft of the positive and negative rotation servo motor, and a first driven bevel gear meshed with the driving bevel gear is arranged on the first screw rod.
3. The hydraulic clamping device for the machine tool suitable for machining the plate of the machine tool according to claim 2, wherein the positioning piece comprises a positioning block and a first movable threaded sleeve, and the first movable threaded sleeve is sleeved on the second external thread in a threaded connection mode; the positioning block is in supporting connection with the first movable threaded sleeve through a supporting spring.
4. A hydraulic clamping device for a machine tool for machining a plate according to claim 3, wherein the lifting member further comprises a fixed rack fixedly arranged, the lifting member further comprises a movable sleeve, and a lower portion of the lifting screw axially and slidably extends into a second rectangular cavity formed in the movable sleeve; and an annular external gear meshed with the fixed rack is fixedly arranged on the outer ring of the movable sleeve.
5. The hydraulic clamping device for the machine tool for machining the plate of the machine tool according to claim 4, wherein a second guide rail groove is formed in the inner wall of the inner cavity of the movable sleeve, a second guide block matched with the second guide rail groove is fixedly arranged on the outer wall of the bottom end of the lifting screw rod extending into the second rectangular cavity, and the second guide block is slidably arranged in the second guide rail groove.
6. A hydraulic clamping device for a machine tool for machining plates of the machine tool according to any one of claims 3 to 5, wherein a first rectangular cavity is formed in the positioning block, a rectangular sliding block is slidably arranged in the first rectangular cavity, and the end of the first screw rod extending into the first rectangular cavity is rotatably connected with the rectangular sliding block.
7. A hydraulic clamping device for a machine tool for machining plate members according to claim 5 wherein said movable sleeve is rotatably mounted on a first guide block, said first guide block being slidably disposed horizontally in the first guide track groove.
8. A hydraulic clamping device for a machine tool for machining a plate of the machine tool according to claim 4, 5 or 7, wherein the first machining table is provided with a supporting step groove, the second machining table is provided with a supporting step block, and the supporting step block is slidably arranged on the supporting step groove.
9. A hydraulic clamping device for a machine tool for machining a plate according to claim 8, wherein said position adjustment mechanism comprises:
a second screw rod arranged on the supporting step groove is rotated, the second screw rod is screwed into the internal thread cavity in a threaded connection mode, and the internal thread cavity is formed in the supporting step block;
and the first machining table is rotatably provided with a linkage bevel gear meshed with the second driven bevel gear.
10. A hydraulic clamping device for a machine tool for machining plates of a machine tool according to claim 9, wherein a hydraulic cylinder is mounted on the first machining table, a moving seat is arranged at the telescopic end of the hydraulic cylinder, and the forward and reverse servo motor is fixedly mounted on the moving seat;
when the movable seat is pushed to move by utilizing the telescopic function of the hydraulic cylinder to enable the driving bevel gear to be meshed with the first driven bevel gear, the started positive and negative rotation servo motor drives the first screw rod to rotate;
when the movable seat is pushed to move by utilizing the telescopic function of the hydraulic cylinder to enable the driving bevel gear to be meshed with the linkage bevel gear, the started forward and reverse rotation servo motor drives the second screw rod to rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110634541.XA CN113263341A (en) | 2021-06-07 | 2021-06-07 | Machine tool hydraulic clamping device suitable for machining of machine tool plate |
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| CN202110634541.XA CN113263341A (en) | 2021-06-07 | 2021-06-07 | Machine tool hydraulic clamping device suitable for machining of machine tool plate |
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| CN113263341A true CN113263341A (en) | 2021-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114274073A (en) * | 2022-01-13 | 2022-04-05 | 新谱(惠州)电子有限公司 | LED backlight diaphragm pressing device |
| CN114274073B (en) * | 2022-01-13 | 2024-03-19 | 新谱(惠州)电子有限公司 | LED backlight diaphragm closing device |
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