CN213917156U

CN213917156U - Positioning and clamping device for machining

Info

Publication number: CN213917156U
Application number: CN202022643968.XU
Authority: CN
Inventors: 张几峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-10
Anticipated expiration: 2030-11-16

Abstract

The utility model provides a location clamping device for machining relates to clamping device technical field, which comprises a machine tool, the fixed position that the bottom of lathe is located the four corners installs the stabilizer blade, the top of lathe is provided with the accurate adjustment device, the accurate adjustment device includes the axostylus axostyle, the surface cover of axostylus axostyle is equipped with the carousel, the surface that the top of lathe is located the carousel is provided with the numerical value scale, fixed mounting has the pointer directly over the top of carousel is located the numerical value scale, the top of carousel articulates there is the connecting rod. The utility model discloses, through setting up this accurate adjustment device and clamping device for the part avoids producing rigid contact with clamping device, and the top layer that also can not lead to processing part has impaired, has improved the machining precision, and spare part adjusting position that also can be accurate in processing has not only improved machining efficiency, also can bring the accuracy of clamping for the work piece, improves the processingquality of part.

Description

Positioning and clamping device for machining

Technical Field

The utility model relates to a clamping device technical field especially relates to a positioning and clamping device for machining.

Background

The positioning and clamping device is used for fixing a processing object to occupy a correct position in a mechanical manufacturing process so as to receive construction or detection.

When mechanical parts are machined, inconvenience is brought to machining if parts are not tightly installed, the surface layer of the machined parts is damaged if the parts are in hard contact with the clamping device, machining precision is affected, sometimes, the parts cannot be accurately adjusted in position during machining, machining efficiency is affected, clamping errors can be brought to workpieces, machining quality of the parts is affected, and therefore the positioning and clamping device for machining is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a positioning and clamping device for machining.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a positioning and clamping device for machining comprises a machine tool, wherein supporting legs are fixedly mounted at positions, located at four corners, of the bottom of the machine tool, a fine adjustment device is arranged at the top of the machine tool and comprises a shaft rod, a rotary table is sleeved on the outer surface of the shaft rod, numerical scales are arranged on the outer surface of the rotary table at the top of the machine tool, a pointer is fixedly mounted right above the numerical scales at the top of the rotary table, a connecting rod is hinged to the top of the rotary table, a traction rod is hinged to one end, away from the rotary table, of the connecting rod, a connecting plate is hinged to one end, away from the connecting rod, of the traction rod, a push plate is hinged to two ends, away from the traction rod, of the connecting plate, a clamping device is hinged to one end, away from the connecting plate, of the push plate, a bearing plate is hinged to the other end of the clamping device, strip-shaped grooves are formed in two sides of the top of the machine tool, and moving blocks are connected to the inner walls of the strip-shaped grooves in a sliding mode, the movable block is fixedly connected with the bottom of the bearing plate, a threaded sleeve is inserted into the bearing plate, a rod piece is arranged inside the threaded sleeve, a clamping disc is sleeved on one end, away from the threaded sleeve, of the rod piece, a rectangular groove is formed in the machine tool, a platform plate is rotatably connected to the inner wall of the rectangular groove, a material storage device is arranged on the outer surface of each supporting leg, and an auxiliary assembly is fixedly mounted at the bottom of the machine tool.

Preferably, the top of the machine tool is fixedly provided with a limiting ring, and the outer surface of the traction rod is in sliding connection with the inner wall of the limiting ring.

Preferably, the outer surface of the rod piece is provided with threads, the rod piece is in threaded connection with the threaded sleeve through the threads, one end, far away from the threaded sleeve, of the rod piece is sleeved with an elastic spring, and two ends of the elastic spring are fixedly connected with the outer surface of the rod piece and the outer surface of the clamping disc respectively.

Preferably, the quantity of member is three, and one of them the other pot head that threaded sleeve was kept away from to the member is equipped with two belt pulleys, two in addition the other end that the threaded sleeve was kept away from to the member all respectively with a belt pulley between fixed connection, three the transmission is connected with the belt between the belt pulley, one of them one end fixed mounting of member has changeed the handle.

Preferably, the material storage device includes the bar shaped plate, wherein two the surface of stabilizer blade all overlaps and is equipped with the bar shaped plate, two the spacing groove has all been seted up between the relative one side of bar shaped plate, the inner wall sliding connection of spacing groove has slider, two fixed mounting has the material storage box between the relative one side of slider.

Preferably, the auxiliary assembly includes the bull stick, one side that the bottom of lathe is located the landing slab rotates connects the bull stick, the one end fixed mounting that the lathe was kept away from to the bull stick has the limiting plate, the surface of bull stick is located the cover and is equipped with the drawing disk spring between limiting plate and the lathe, the both ends of drawing disk spring are connected with the fixed surface of limiting plate and lathe respectively, the bottom fixed mounting of lathe has the guide pulley, the surface sliding connection of guide pulley has the pull wire, the one end of pull wire and the fixed surface of limiting plate are connected, the other end of pull wire runs through the fixed surface that lathe and connecting plate are connected.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the fine adjustment device and the clamping device, when parts need to be processed, the parts are placed between the two clamping devices, the rotating handles on two sides are rotated simultaneously, the rotating handles drive the rod members to rotate, the three rod members slide along the inner wall of the threaded sleeve through the threads through the transmission connection between the belt and the belt pulley, at the moment, the clamping discs are driven to clamp the parts to be processed, simultaneously, the clamping discs contact the parts, the elastic spring is extruded, the resilience force of the elastic spring buffers the rigid contact between the clamping discs and the parts, at the moment, the rotating discs are rotated, the rotating discs drive the connecting rods to move, the connecting rods drive the traction rods to slide along the inner wall of the limiting ring and drive the connecting plates to generate displacement, at the moment, the connecting plates push the bearing plates, so that the bearing plates slide along the inner walls of the strip-shaped grooves through the moving blocks, at the moment, the pointer is driven to rotate according to the rotating discs, and the pointer points to the numerical value scale, come the distance that accurate regulation removed, through setting up this accurate adjustment device and clamping device for part and clamping device avoid producing rigid contact, can not lead to processing the top layer of part yet impaired, improved the machining precision, spare part also can accurate adjusting position in processing, not only improved machining efficiency, also can bring the accuracy of clamping for the work piece, improve the processingquality of part.

2. In the utility model, the material storage device and the auxiliary component are arranged, when the part processing is finished, the material storage box is slid, so that the slide block drives the material storage box to slide to the lower part of the platform plate along the limiting groove, the loosened parts are placed on the platform, the rotating disc is rotated reversely at the moment, the connecting plate moves, and pulls the traction wire to enable the traction wire to slide along the outer surface of the guide wheel, pulls the limit plate to enable the limit plate to rotate along the rotating rod and twists the pull disc spring, the platform plate loses the stop of the limiting plate, the platform plate is turned over, the processed parts are poured into the storage box, then the turntable is rotated in the positive direction, the limit plate is reset by the resilience force of the pull disc spring, the platform plate is limited again, and by the device, the automatic blanking device has the advantages that the automatic blanking effect can be achieved, the labor intensity of workers is reduced, and meanwhile the working efficiency of the workers is improved.

Drawings

Fig. 1 is a schematic perspective view of a positioning and clamping device for machining according to the present invention;

fig. 2 is a schematic structural view of a positioning and clamping device for machining according to the present invention from the bottom;

FIG. 3 is a schematic view of the structure of FIG. 1 at A according to the present invention;

fig. 4 is a schematic structural diagram of the present invention at B in fig. 2.

Illustration of the drawings:

1. a machine tool; 2. a support leg; 3. a fine adjustment device; 31. a shaft lever; 32. a turntable; 33. numerical value calibration; 34. a pointer; 35. a connecting rod; 36. a draw bar; 37. a connecting plate; 38. a limiting ring; 39. pushing the plate; 4. a clamping device; 41. a carrier plate; 42. a threaded sleeve; 43. a rod member; 44. a thread; 45. a belt pulley; 46. a belt; 47. turning a handle; 48. an elastic spring; 49. A clamping plate; 410. a strip-shaped groove; 411. a moving block; 5. a platform plate; 6. a material storage device; 61. A strip plate; 62. a limiting groove; 63. a slider; 64. a material storage box; 7. an auxiliary component; 71. A rotating rod; 72. a limiting plate; 73. a disc-pulling spring; 74. a guide wheel; 75. and (6) pulling the wire.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

As shown in fig. 1-4, the utility model provides a positioning and clamping device for machining, including lathe 1, the fixed position that the bottom of lathe 1 is located the four corners has stabilizer blade 2, and the top of lathe 1 is provided with accurate adjusting device 3, and the rectangular channel has been seted up to the inside of lathe 1, and the inner wall rotation of rectangular channel is connected with landing slab 5, and the surface of stabilizer blade 2 is provided with stock device 6, and the bottom fixed mounting of lathe 1 has auxiliary assembly 7.

The specific arrangement and function of the fine adjustment device 3, the holding device 4, the stock device 6 and the auxiliary assembly 7 will be described in detail below.

As shown in fig. 1 and 3, the fine adjustment device 3 includes a shaft rod 31, a turntable 32 is sleeved on the outer surface of the shaft rod 31, a numerical scale 33 is arranged on the outer surface of the turntable 32 on the top of the machine tool 1, a pointer 34 is fixedly mounted right above the numerical scale 33 on the top of the turntable 32, a connecting rod 35 is hinged on the top of the turntable 32, a draw bar 36 is hinged on one end of the connecting rod 35 away from the turntable 32, a connecting plate 37 is hinged on one end of the draw bar 36 away from the connecting rod 35, push plates 39 are respectively hinged on two ends of the connecting plate 37 away from the draw bar 36, a limit ring 38 is fixedly mounted on the top of the machine tool 1, the outer surface of the draw bar 36 is in sliding connection with the inner wall of the limit ring 38, a clamping device 4 is hinged on one end of the push plate 39 away from the connecting plate 37, the clamping device 4 includes a bearing plate 41, strip-shaped grooves 410 are respectively formed on two sides of the top of the machine tool 1, and movable blocks 411 are slidably connected with the inner walls of the strip-shaped grooves 410, the moving block 411 is fixedly connected with the bottom of the bearing plate 41, a threaded sleeve 42 is inserted in the bearing plate 41, a rod member 43 is arranged in the threaded sleeve 42, a clamping disc 49 is sleeved on one end, away from the threaded sleeve 42, of the rod member 43, a thread 44 is arranged on the outer surface of the rod member 43, the rod member 43 is in threaded connection with the threaded sleeve 42 through the thread 44, an elastic spring 48 is sleeved on one end, away from the threaded sleeve 42, of the rod member 43, two ends of the elastic spring 48 are respectively and fixedly connected with the outer surface of the rod member 43 and the outer surface of the clamping disc 49, the number of the rod members 43 is three, the other end of one of the rod members 43 far away from the threaded sleeve 42 is sleeved with two belt pulleys 45, the other ends of the other two rod members 43 far away from the threaded sleeve 42 are respectively and fixedly connected with one belt pulley 45, a belt 46 is in transmission connection between the three belt pulleys 45, and one end of one of the rod members 43 is fixedly provided with a rotating handle 47.

The whole fine adjustment device 3 and the clamping devices 4 achieve the effects that by arranging the fine adjustment device 3 and the clamping devices 4, when parts need to be processed, the parts are placed between the two clamping devices 4, the rotating handles 47 on two sides are rotated simultaneously, the rotating handles 47 drive the rod pieces 43 to rotate, the three rod pieces 43 slide along the inner wall of the threaded sleeve 42 through the threads 44 through the transmission connection between the belt 46 and the belt pulley 45, the clamping discs 49 are driven to clamp the parts to be processed at the moment, meanwhile, when the clamping discs 49 contact the parts, the elastic springs 48 are extruded, the resilience force of the elastic springs 48 buffers the rigid contact between the clamping discs 49 and the parts, at the moment, the rotating disc 32 rotates, the connecting rod 35 is driven to move by the rotating disc 32, the connecting rod 35 drives the traction rod 36 to slide along the inner wall of the limiting ring 38, and drives the connecting plate 37 to displace, at the moment, the connecting plate 37 pushes the bearing plate 41, make loading board 41 slide along the inner wall of bar groove 410 through movable block 411, at this moment, drive pointer 34 according to carousel 32 and rotate, and according to pointer 34 directional numerical value scale 33, come the distance of accurate regulation removal, through setting up this fine tuning device 3 and clamping device 4, make part and clamping device 4 avoid producing rigid contact, can not lead to processing the top layer of part yet impaired, machining precision has been improved, adjusting position that spare part also can be accurate when processing, machining efficiency has not only been improved, also can bring the accuracy of clamping for the work piece, the processingquality of part is improved.

As shown in fig. 2 and 4, the material storage device 6 includes a strip-shaped plate 61, wherein the outer surfaces of two support legs 2 are both sleeved with the strip-shaped plate 61, a limiting groove 62 is formed between the opposite surfaces of the two strip-shaped plates 61, a sliding block 63 is connected to the inner wall of the limiting groove 62 in a sliding manner, a material storage box 64 is fixedly installed between the opposite surfaces of the two sliding blocks 63, the auxiliary component 7 includes a rotating rod 71, the bottom of the machine tool 1 is rotatably connected with the rotating rod 71 at one side of the platform plate 5, a limiting plate 72 is fixedly installed at one end of the rotating rod 71 away from the machine tool 1, a pull disc spring 73 is sleeved between the limiting plate 72 and the machine tool 1, two ends of the pull disc spring 73 are respectively fixedly connected with the limiting plate 72 and the outer surface of the machine tool 1, a guide wheel 74 is fixedly installed at the bottom of the machine tool 1, a traction wire 75 is slidably connected with the outer surface of the guide wheel 74, one end of the traction wire 75 is fixedly connected with the outer surface of the limiting plate 72, the other end of the traction wire 75 penetrates through the machine tool 1 and is fixedly connected with the outer surface of the connecting plate 37.

The whole material storage device 6 and the auxiliary assembly 7 achieve the effects that by arranging the material storage device 6 and the auxiliary assembly 7, when the part machining is finished, the material storage box 64 is slid, the sliding block 63 drives the material storage box 64 to slide to the lower side of the platform plate 5 along the limiting groove 62, the loosened part is placed on the platform, the rotary disc 32 is rotated reversely at the moment, the connecting plate 37 is moved, the pulling wire 75 is pulled, the pulling wire 75 slides along the outer surface of the guide wheel 74, the limiting plate 72 is pulled, the limiting plate 72 rotates along the rotating rod 71 and twists the disc spring 73, the platform plate 5 loses the blocking of the limiting plate 72, the platform plate 5 is overturned, the machined part is poured into the material storage box 64, the rotary disc 32 is rotated forwardly at the moment, the resilience force of the disc spring 73 is utilized to reset the limiting plate 72, the platform plate 5 is limited again, and by the device, the automatic blanking device has the advantages that the automatic blanking effect can be achieved, the labor intensity of workers is reduced, and meanwhile the working efficiency of the workers is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A positioning and clamping device for machining, comprising a machine tool (1), characterized in that: the machine tool is characterized in that supporting legs (2) are fixedly mounted at positions, located at four corners, of the bottom of the machine tool (1), a fine adjustment device (3) is arranged at the top of the machine tool (1), the fine adjustment device (3) comprises a shaft rod (31), a rotary table (32) is sleeved on the outer surface of the shaft rod (31), numerical value scales (33) are arranged on the outer surface, located at the rotary table (32), of the top of the machine tool (1), a pointer (34) is fixedly mounted at the position, located right above the numerical value scales (33), of the top of the rotary table (32), a connecting rod (35) is hinged to the top of the rotary table (32), a traction rod (36) is hinged to one end, away from the rotary table (32), of the connecting rod (35), a connecting plate (37) is hinged to one end, away from the connecting rod (35), of the connecting plate (37), and two ends, away from the traction rod (36), are hinged to push plates (39) respectively, one end of the push plate (39) far away from the connecting plate (37) is hinged with a clamping device (4), the clamping device (4) comprises a bearing plate (41), strip-shaped grooves (410) are formed in both sides of the top of the machine tool (1), the inner wall of the strip-shaped groove (410) is connected with a moving block (411) in a sliding way, the moving block (411) is fixedly connected with the bottom of the bearing plate (41), a threaded sleeve (42) is inserted in the bearing plate (41), a rod piece (43) is arranged in the threaded sleeve (42), one end of the rod piece (43) far away from the thread bush (42) is sleeved with a clamping disc (49), a rectangular groove is arranged in the machine tool (1), the inner wall of the rectangular groove is rotationally connected with a platform plate (5), the outer surface of the supporting leg (2) is provided with a material storage device (6), and the bottom of the machine tool (1) is fixedly provided with an auxiliary assembly (7).

2. A positioning and clamping device for machining according to claim 1, characterised in that: the top of the machine tool (1) is fixedly provided with a limiting ring (38), and the outer surface of the traction rod (36) is in sliding connection with the inner wall of the limiting ring (38).

3. A positioning and clamping device for machining according to claim 1, characterised in that: the outer surface of the rod piece (43) is provided with threads (44), the rod piece (43) is in threaded connection with the threaded sleeve (42) through the threads (44), one end, far away from the threaded sleeve (42), of the rod piece (43) is sleeved with an elastic spring (48), and two ends of the elastic spring (48) are fixedly connected with the outer surface of the rod piece (43) and the outer surface of the clamping disc (49) respectively.

4. A positioning and clamping device for machining according to claim 1, characterised in that: the quantity of member (43) is three, one of them member (43) keep away from the other pot head of thread bush (42) and be equipped with two belt pulleys (45), two in addition the other end that thread bush (42) were kept away from in member (43) all respectively with a belt pulley (45) between fixed connection, three the transmission is connected with belt (46) between belt pulley (45), one of them one end fixed mounting of member (43) has commentaries on classics handle (47).

5. A positioning and clamping device for machining according to claim 1, characterised in that: stock device (6) are including strip shaped plate (61), wherein two the surface of stabilizer blade (2) all overlaps and is equipped with strip shaped plate (61), two spacing groove (62) have all been seted up between the relative one side of strip shaped plate (61), the inner wall sliding connection of spacing groove (62) has slider (63), two fixed mounting has stock box (64) between the relative one side of slider (63).

6. A positioning and clamping device for machining according to claim 1, characterised in that: the auxiliary assembly (7) comprises a rotating rod (71), the bottom of the machine tool (1) is positioned at one side of the platform plate (5) and is connected with the rotating rod (71) in a rotating way, a limit plate (72) is fixedly arranged at one end of the rotating rod (71) far away from the machine tool (1), a pull disc spring (73) is sleeved on the outer surface of the rotating rod (71) between the limiting plate (72) and the machine tool (1), two ends of the pull disc spring (73) are respectively fixedly connected with the limiting plate (72) and the outer surface of the machine tool (1), the bottom of the machine tool (1) is fixedly provided with a guide wheel (74), the outer surface of the guide wheel (74) is connected with a traction wire (75) in a sliding way, one end of the traction wire (75) is fixedly connected with the outer surface of the limit plate (72), the other end of the traction wire (75) penetrates through the machine tool (1) and is fixedly connected with the outer surface of the connecting plate (37).