CN214518854U

CN214518854U - Multifunctional automatic clamp

Info

Publication number: CN214518854U
Application number: CN202120589806.4U
Authority: CN
Inventors: 李竹楼; 马跃胜; 赵强
Original assignee: Shijiazhuang Zilun Machinery Co ltd
Current assignee: Shijiazhuang Zilun Machinery Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-29
Anticipated expiration: 2031-03-23

Abstract

The application relates to a multifunctional automatic clamp, which relates to the field of clamps and comprises a mounting plate, a clamping mechanism and a driving mechanism, wherein the mounting plate is used for being mounted on a numerical control milling machine; the clamping mechanism comprises two mounting seats connected to the mounting plate in a sliding manner and clamping plates arranged on the mounting seats, a plurality of first clamping plates and a plurality of second clamping plates are fixedly arranged on opposite side surfaces of the two clamping plates respectively, the first clamping plates and the second clamping plates are arranged at intervals and are parallel to each other, V-shaped grooves are formed in the first clamping plates and the second clamping plates, and the opening direction of the V-shaped grooves in the first clamping plates is opposite to that of the V-shaped grooves in the second clamping plates; the mounting seat is provided with a switching mechanism for driving the clamping plate to rotate. The clamp has the effect of improving the defect that the clamp is inconvenient to replace when workers clamp different workpieces.

Description

Multifunctional automatic clamp

Technical Field

The application relates to the field of clamps, especially, relate to a multi-functional automatic clamp.

Background

When the numerical control milling machine is used, a clamp is needed, however, a common clamp used in the milling machine can only clamp square or round workpieces independently, and after machining is completed, if the workpieces in different shapes need to be replaced, the clamp needs to be detached and installed again, which wastes time and labor.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient defect of change anchor clamps when the different work pieces of staff's centre gripping, this application provides a multi-functional automatic anchor clamps.

The application provides a multi-functional automatic anchor clamps adopts following technical scheme:

a multifunctional automatic clamp comprises a mounting plate, a clamping mechanism and a driving mechanism, wherein the mounting plate is used for being mounted on a numerical control milling machine;

the clamping mechanism comprises two mounting seats connected to the mounting plate in a sliding manner and clamping plates arranged on the mounting seats, a plurality of first clamping plates and a plurality of second clamping plates are fixedly arranged on opposite side surfaces of the two clamping plates respectively, the first clamping plates and the second clamping plates are arranged at intervals and are parallel to each other, V-shaped grooves are formed in the first clamping plates and the second clamping plates, and the opening direction of the V-shaped grooves in the first clamping plates is opposite to that of the V-shaped grooves in the second clamping plates; the mounting seat is provided with a switching mechanism for driving the clamping plate to rotate.

By adopting the technical scheme, when a worker needs to process a cylindrical workpiece, a plurality of first clamping plates and second clamping plates are oppositely arranged, then the cylindrical workpiece is placed between the first clamping plates and the second clamping plates, and then the two clamping plates are driven by the driving mechanism to move oppositely to clamp the cylindrical workpiece to finish clamping; when a workpiece with a square cross section needs to be clamped, the two clamping plates are driven to rotate through the switching mechanism respectively, the side faces, on which the first clamping plate or the second clamping plate is not installed, of the two clamping plates are arranged oppositely, then the two clamping plates are driven to move oppositely through the driving mechanism, clamping of the workpiece is completed, the condition that the clamp needs to be replaced when the workpiece is clamped by workers in different shapes is effectively improved, and the convenience that the workers clamp the workpieces in different shapes is improved.

Optionally, the first clamping plates and the second clamping plates are arranged in a staggered manner.

Through adopting above-mentioned technical scheme, when actuating mechanism drove two splint relative motion, a plurality of second grip blocks can be worn to establish in the interval that a plurality of first grip blocks formed, and the interval between two splint can continue to reduce, consequently can the cylindrical work piece that the centre gripping cross section diameter is less relatively, and then the effectual centre gripping scope that has improved first grip block and first grip block.

Optionally, two all seted up on the relative side of mount pad and switched heavy groove, switching mechanism sets up at the lifting plate on lifting member top, sets firmly the rotation motor on lifting plate, sets firmly the bracing piece at rotation motor output epaxial including setting up lifting motor on switching heavy groove is close to the medial surface of mounting panel, the bracing piece passes and switches heavy groove and keep away from the medial surface of bottom plate and is connected with splint.

Through adopting above-mentioned technical scheme, the staff promotes the piece through starting, promote the piece and drive the lifting plate upward movement, the drive rotates the motor, bracing piece upward movement, make splint break away from the mount pad, then start and rotate the motor, the output shaft that rotates the motor drives the bracing piece and rotates, and then drive splint and rotate, treat first grip block and second grip block switch completion back, start driving motor and drive splint downstream, until splint butt on the top surface of mount pad, the completion is switched, the complicated condition of reinstallation anchor clamps complex operation has been avoided.

Optionally, the top end of the supporting rod is fixedly provided with a connecting rod, the side face, close to the supporting rod, of the clamping plate is provided with a corresponding connecting sinking groove, the cross section of the connecting rod is arranged in an n-edge shape, and n is larger than or equal to three.

Through adopting above-mentioned technical scheme, the connecting rod is worn to establish and is connected heavy inslot, and the connecting rod drives splint and rotates when rotating the motor and rotate, and the setting of the transversal n limit of personally submitting of connecting rod can effectually prevent that connecting rod and connection heavy inslot from taking place relative rotation, guarantees splint pivoted stability.

Optionally, a plurality of positioning rods are fixedly arranged on the side face, close to the mounting seat, of the clamping plate, and a plurality of corresponding positioning sinking grooves are formed in the top face of the mounting seat.

Through adopting above-mentioned technical scheme, splint cooperate through a plurality of locating levers and mount pad, the effectual steadiness that increases splint and install on the mount pad top surface prevents that at the in-process of centre gripping work piece, splint from taking place to rotate.

Optionally, the driving mechanism comprises two baffles fixedly arranged on the mounting plate, the two baffles are arranged at intervals and are parallel to each other, a first driving screw is rotatably connected between the two baffles, two sets of threads in opposite directions are arranged on the first driving screw, the two sets of threads in opposite directions are in threaded connection with the corresponding mounting seat, one end of the first driving screw penetrates through the baffles, and a driving motor is fixedly arranged at the end.

Through adopting above-mentioned technical scheme, the staff is through starting driving motor, and driving motor's output shaft rotates, drives first drive screw and rotates, because of be provided with two sets of opposite direction's screw on the first drive screw, and two sets of opposite direction's screw all with corresponding mount pad threaded connection, so when first drive screw rotates, opposite direction's motion is done to two mount pads, when two mount pads move in opposite directions, drive two splint and move in opposite directions, accomplish the centre gripping to the work piece.

Optionally, a second driving screw is arranged on one side of the first driving screw, the second driving screw and the first driving screw are arranged at intervals and are parallel to each other, and the second driving screws are respectively in threaded connection with the corresponding mounting seats; a transmission assembly is arranged between the first drive screw and the second drive screw.

Through adopting above-mentioned technical scheme, when first drive screw rotated, drive the synchronous rotation of second drive screw section of thick bamboo through drive assembly, be the interval setting and be parallel to each other because of first drive screw and second drive screw, the effectual stability that increases the mount pad motion.

Optionally, the transmission assembly comprises a driving gear sleeved on the first driving screw, one side of the driving gear on the side surface of the baffle is rotatably connected with a transmission gear, and the transmission gear is meshed with the driving gear; the second driving screw is sleeved with a driven gear, and the transmission gear is meshed with the driven gear.

By adopting the technical scheme, when the first driving screw rotates, the driving gear is driven to rotate, the driving gear drives the transmission gear driven gear to rotate, and the rotation direction of the transmission gear is opposite to that of the driving gear, so that the rotation direction of the driven gear is the same as that of the driving gear, and the first driving screw and the second driving screw are further ensured to synchronously rotate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two clamping plates are driven to rotate through the switching mechanism respectively, and the orientation of the two side surfaces of each clamping plate is changed, so that the condition that a clamp needs to be changed when a worker clamps workpieces with different shapes is effectively improved, and the convenience of clamping workpieces with different shapes by the worker is improved;

2. the clamping plate is matched with the mounting seat through the positioning rods, so that the stability of the clamping plate mounted on the top surface of the mounting seat is effectively improved, and the clamping plate is prevented from rotating in the process of clamping a workpiece;

3. when the first driving screw rod rotates, the second driving screw rod barrel is driven to synchronously rotate through the transmission assembly, and the first driving screw rod and the second driving screw rod are arranged at intervals and are parallel to each other, so that the movement stability of the mounting seat is effectively improved.

Drawings

FIG. 1 is a schematic structural diagram showing that a clamp is mounted on a numerically controlled milling machine in the embodiment of the present application.

Fig. 2 is a schematic view showing the structure of the jig in the embodiment of the present application.

Fig. 3 is a schematic view showing the structure of a drive mechanism in the embodiment of the present application.

Fig. 4 is a partial enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. mounting a plate; 11. mounting screws; 12. a clamping guide groove; 2. a clamping mechanism; 21. a mounting seat; 211. switching the sink tanks; 2111. lifting the guide groove; 212. positioning the sink tank; 22. clamping the sliding block; 23. a splint; 24. a first clamping plate; 25. a second clamping plate; 26. a V-shaped groove; 27. anti-skid stripes; 3. a drive mechanism; 31. a baffle plate; 32. a first drive screw; 33. a second drive screw; 34. a drive motor; 35. a transmission assembly; 351. a driving gear; 352. a driven gear; 353. a transmission gear; 4. a switching mechanism; 41. a hoisting motor; 42. a lifting plate; 43. lifting the slide block; 44. rotating the motor; 45. a support bar; 46. a connecting rod; 47. connecting the sinking grooves; 5. and (5) positioning the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses multi-functional automatic anchor clamps. Referring to fig. 1 and 2, the multifunctional automatic clamp comprises a mounting plate 1 for mounting on a numerically controlled milling machine, wherein the mounting plate 1 is a horizontally placed rectangular plate, mounting screws 11 are arranged at four end corners of the top surface of the mounting plate 1, and the mounting plate 1 is fixedly arranged on the numerically controlled milling machine through the mounting screws 11; the top surface of the mounting plate 1 is provided with a clamping mechanism 2 and a driving mechanism 3 for driving the clamping mechanism 2 to move.

Referring to fig. 2 and 3, the clamping mechanism 2 includes two mounting seats 21 connected to the mounting plate 1 in a sliding manner, the mounting seats 21 are arranged in a rectangular parallelepiped shape, the length directions of the two mounting seats 21 are both consistent with the width direction of the mounting plate 1, and the two mounting seats 21 are arranged at intervals along the length direction of the mounting plate 1; all set firmly centre gripping slider 22 on the bottom surface of two mount pads 21, centre gripping guide slot 12 has been seted up on the top surface of mounting panel 1, centre gripping guide slot 12 sets up along mounting panel 1's length direction, centre gripping slider 22 slides and connects in centre gripping guide slot 12, and centre gripping slider 22's transversal personally submits the dovetail setting, the effectual gliding stability of centre gripping slider 22 in centre gripping guide slot 12 that has increased prevents that centre gripping slider 22 from breaking away from centre gripping guide slot 12 at gliding in-process.

Referring to fig. 2 and 3, clamp plates 23 are arranged on the top surfaces of the two mounting seats 21, the two clamp plates 23 are arranged in rectangular plates, the length directions of the two clamp plates 23 are consistent with the length direction of the top surface of the mounting seat 21, a plurality of first clamp plates 24 and a plurality of second clamp plates 25 parallel to the top surface of the mounting seat 21 are fixedly arranged on the side surfaces, close to each other, of the two clamp plates 23, the plurality of first clamp plates 24 and the plurality of second clamp plates 25 are arranged in rectangular plates, and the first clamp plates 24 and the second clamp plates 25 are arranged at intervals and are staggered with each other; v-shaped grooves 26 are formed in the top surfaces of the first clamping plate 24 and the second clamping plate 25, and the opening direction of the V-shaped grooves 26 in the first clamping plate 24 is opposite to the opening direction of the V-shaped grooves 26 in the second clamping plate 25.

Referring to fig. 2 and 3, the anti-slip stripes 27 are disposed on both inner sidewalls of the V-shaped groove 26 and on the side surface of the clamping plate 23 where the first clamping plate 24 or the second clamping plate 25 is not mounted, so that stability of the clamping mechanism 2 when clamping a workpiece is effectively increased, and the workpiece is prevented from slipping.

Referring to fig. 2 and 3, switching sinking grooves 211 are formed in the side surfaces of the two mounting seats 21, which are close to each other, openings of the switching sinking grooves 211 are rectangular, and a switching mechanism 4 for driving the corresponding clamping plates 23 to rotate to realize the orientation of the first clamping plate 24 and the second clamping plate 25 is arranged in the switching sinking grooves 211.

Referring to fig. 3 and 4, the switching mechanism 4 includes a lifting motor 41 disposed on an inner side surface of the switching sinking groove 211 close to the mounting plate 1, a lifting plate 42 is fixedly disposed on a top end of an output shaft of the lifting motor 41, the lifting plate 42 is disposed in a horizontally disposed rectangular plate, lifting sliders 43 are fixedly disposed on side surfaces of the lifting plate 42 in two width directions, lifting guide grooves 2111 are disposed on inner side surfaces of the switching sinking groove 211 close to the lifting sliders 43, and the lifting sliders 43 are slidably connected to the corresponding lifting guide grooves 2111; set firmly on the top surface of promotion board 42 and rotate motor 44, set firmly bracing piece 45 on the output shaft of rotating motor 44, and the bracing piece 45 is kept away from the medial surface that the mounting panel 1 was kept away from to the one end that rotates motor 44 and passes switching heavy groove 211, and the top of bracing piece 45 sets firmly connecting rod 46, and all seted up corresponding connection heavy groove 47 on two splint 23 are close to the side of corresponding bracing piece 45, and connecting rod 46 wears to establish in the heavy groove 47 of corresponding connection.

When the first clamping plate 24 and the second clamping plate 25 are arranged oppositely, a cylindrical workpiece is placed between the first clamping plate 24 and the second clamping plate 25, the two installation bases 21 are driven by the driving mechanism 3 to move oppositely, the two clamping plates 23 move synchronously, the distance between the two clamping plates 23 is continuously reduced along with the continuous reduction of the distance between the two clamping plates 23 until the two inner side walls of the V-shaped groove 26 abut against the outer peripheral surface of the workpiece, the workpiece is clamped, when the diameter of the cross section of the workpiece is too small, the distance between the two clamping plates 23 is continuously reduced, the first clamping plates 24 penetrate through the intervals of the second clamping plates 25, the workpiece with the small diameter of the cross section can be clamped, and the application range of the clamping mechanism 2 is effectively improved; when the first clamping plate 24 and the second clamping plate 25 are arranged in a back-to-back manner, a worker puts a cuboid workpiece between the two clamping plates 23, then drives the two clamping plates 23 to move in opposite directions through the driving mechanism 3 until the side faces, close to the workpiece, of the two clamping plates 23 abut against the workpiece, and clamping of the workpiece is completed.

When the staff is with the type of trading the centre gripping work piece, start promotion motor 41, promotion motor 41 drives lift plate 42 upward movement, rotate motor 44 and bracing piece 45, the synchronous upward movement of connecting rod 46, and then drive splint 23 upward movement, splint 23 breaks away from behind mount pad 21, start rotation motor 44, it drives bracing piece 45 to rotate motor 44, connecting rod 46 rotates, connecting rod 46 drives splint 23 and rotates, the orientation of two sides of changing splint 23, when the effectual work piece that improves staff's centre gripping different shapes, still need to change the condition of anchor clamps, the convenience of the different shapes work piece of staff's centre gripping has been improved.

Referring to fig. 3, in order to prevent the connecting rod 46 from rotating, the connecting rod 46 and the connecting sinking groove 47 rotate relatively, the cross section of the connecting rod 46 is n-shaped, n is greater than or equal to three, and the stability of the connecting rod 46 driving the clamping plate 23 to rotate is effectively increased.

Referring to fig. 3, in order to increase the stability of the clamping plate 23 mounted on the top surface of the mounting seat 21 and prevent the clamping plate 23 from rotating during the process of clamping the workpiece, a plurality of positioning rods 5 are fixedly arranged on the side surface of the clamping plate 23 close to the mounting seat 21, the positioning rods 5 are arranged in a cylinder perpendicular to the top surface of the mounting seat 21, a plurality of corresponding positioning sinking grooves 212 are formed in the top surface of the mounting seat 21, and the positioning rods 5 are inserted into the corresponding positioning sinking grooves 212.

Referring to fig. 2 and 3, the driving mechanism 3 includes two baffles 31 fixedly disposed on the mounting plate 1, the two baffles 31 are disposed in a rectangular plate shape perpendicular to the top surface of the mounting plate 1, the width direction of the two baffles 31 is the same as the width direction of the mounting plate 1, the two baffles 31 are disposed at intervals along the length direction of the mounting plate 1, a first driving screw 32 and a second driving screw 33 are rotatably connected between the two baffles 31, the first driving screw 32 and the second driving screw 33 are both disposed perpendicular to the baffles 31, two sets of threads with opposite directions are disposed on the first driving screw 32 and the second driving screw 33, the two sets of threads with opposite directions are both in threaded connection with the corresponding mounting seat 21, one end of the first driving screw 32 penetrates through the baffles 31, and a driving motor 34 is fixedly disposed at the end; a transmission assembly 35 is disposed between the first drive screw 32 and the second drive screw 33.

Referring to fig. 2 and 3, the transmission assembly 35 includes a driving gear 351 sleeved on the first driving screw 32 and a driven gear 352 sleeved on the second driving screw 33, wherein a transmission gear 353 is rotatably connected to one side of the driving gear 351 on the side surface of the baffle plate 31, and the transmission gear 353 is engaged with the driving gear 351 and the driven gear 352.

The staff drives the first driving screw 32 to rotate by starting the driving motor 34, the driving gear 351 is driven to rotate by the rotation of the output shaft of the driving motor 34, the driving gear 351 drives the transmission gear 353 and the driven gear 352 to rotate, and the rotation direction of the transmission gear 353 is opposite to that of the driving gear 351, so that the rotation direction of the driven gear 352 is the same as that of the driving gear 351, and further, the first driving screw 32 and the second driving screw 33 are ensured to rotate synchronously, because two sets of threads in opposite directions are arranged on the first driving screw 32 and the second driving screw 33, and the two sets of threads in opposite directions are in threaded connection with the corresponding mounting seats 21, when the first driving screw 32 and the second driving screw 33 rotate, the two mounting seats 21 do opposite movements, and when the two mounting seats 21 move oppositely, the two clamping plates 23 are driven to move oppositely, and clamping of the workpiece is completed.

The implementation principle of the multifunctional automatic clamp in the embodiment of the application is as follows: when a worker needs to process a cylindrical workpiece, the first clamping plates 24 and the second clamping plates 25 are oppositely arranged, and the driving mechanism 3 drives the two clamping plates 23 to oppositely move to clamp the cylindrical workpiece to finish clamping; when the workpiece with the square cross section needs to be clamped, the two clamping plates 23 are driven to rotate through the switching mechanism 4 respectively, the side faces, on which the first clamping plates 24 or the second clamping plates 25 are not installed, of the two clamping plates 23 are arranged oppositely, then the two clamping plates 23 are driven to move oppositely through the driving mechanism 3, the workpiece is clamped, the condition that the clamp needs to be replaced when the workpiece with different shapes is clamped by workers is effectively improved, and the convenience for the workers to clamp the workpieces with different shapes is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a multi-functional automatic anchor clamps which characterized in that: comprises a mounting plate (1) arranged on a numerical control milling machine, a clamping mechanism (2) arranged on the top surface of the mounting plate (1) and a driving mechanism (3) for driving the clamping mechanism (2) to move;

the clamping mechanism (2) comprises two mounting seats (21) connected to the mounting plate (1) in a sliding mode and clamping plates (23) arranged on the mounting seats (21), a plurality of first clamping plates (24) and a plurality of second clamping plates (25) are fixedly arranged on the opposite side faces of the two clamping plates (23) respectively, the first clamping plates (24) and the second clamping plates (25) are arranged at intervals and are parallel to each other, V-shaped grooves (26) are formed in the first clamping plates (24) and the second clamping plates (25), and the opening directions of the V-shaped grooves (26) in the first clamping plates (24) are opposite to the openings of the V-shaped grooves (26) in the second clamping plates (25); the mounting seat (21) is provided with a switching mechanism (4) for driving the clamping plate (23) to rotate.

2. The multifunctional automated clamp of claim 1, wherein: the first clamping plates (24) and the second clamping plates (25) are arranged in a staggered mode.

3. The multifunctional automated clamp of claim 1, wherein: two all seted up on the relative side of mount pad (21) and switched heavy groove (211), switching mechanism (4) including set up lifting motor (41) on switching heavy groove (211) the medial surface that is close to mounting panel (1), set up lifting plate (42) on lifting member top, set firmly rotation motor (44) on lifting plate (42), set firmly at rotation motor (44) epaxial bracing piece (45) of output, medial surface that bottom plate was kept away from in support piece (45) pass switching heavy groove (211) is connected with splint (23).

4. A multifunctional automated clamp according to claim 3, characterized in that: the top of bracing piece (45) sets firmly connecting rod (46), and splint (23) are seted up corresponding connection heavy groove (47) on being close to bracing piece (45) side, and connecting rod (46) transversal personally submits the n limit and sets up, and n is more than or equal to three.

5. A multifunctional automated clamp according to claim 3, characterized in that: a plurality of positioning rods (5) are fixedly arranged on the side face, close to the mounting seat (21), of the clamping plate (23), and a plurality of corresponding positioning sinking grooves (212) are formed in the top face of the mounting seat (21).

6. The multifunctional automated clamp of claim 1, wherein: actuating mechanism (3) include two baffle (31) that set firmly on mounting panel (1), and two baffle (31) are the interval and set up and are parallel to each other, rotate between two baffle (31) and are connected with first drive screw (32), are provided with two sets of opposite direction's screw thread on first drive screw (32), and two sets of opposite direction's screw thread all with corresponding mount pad (21) threaded connection, baffle (31) are passed to the one end of first drive screw (32), and are equipped with driving motor (34) admittedly at this end.

7. The multifunctional automated clamp of claim 6, wherein: a second driving screw (33) is arranged on one side of the first driving screw (32), the second driving screw (33) and the first driving screw (32) are arranged at intervals and are parallel to each other, and the second driving screws (33) are respectively in threaded connection with the corresponding mounting seats (21); a transmission assembly (35) is arranged between the first drive screw (32) and the second drive screw (33).

8. The multi-functional automated fixture of claim 7, wherein: the transmission assembly (35) comprises a driving gear (351) sleeved on the first driving screw rod (32), one side of the driving gear (351) on the side surface of the baffle plate (31) is rotatably connected with a transmission gear (353), and the transmission gear (353) is meshed with the driving gear (351); a driven gear (352) is sleeved on the second driving screw (33), and the transmission gear (353) is meshed with the driven gear (352).