CN113714827A - Clamp for machining and using method thereof - Google Patents
Clamp for machining and using method thereof Download PDFInfo
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- CN113714827A CN113714827A CN202110884919.1A CN202110884919A CN113714827A CN 113714827 A CN113714827 A CN 113714827A CN 202110884919 A CN202110884919 A CN 202110884919A CN 113714827 A CN113714827 A CN 113714827A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003754 machining Methods 0.000 title claims description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 230000001788 irregular Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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 invention discloses a clamp for mechanical processing and a using method thereof, the clamp comprises a clamping table, a workpiece clamping mechanism and a clamping linkage mechanism are arranged on the clamping table, a processing part is placed on the clamping table, a motor drives a rotating impeller to rotate, the rotating impeller drives a first connecting rod and a second connecting rod on two sides to move longitudinally, so as to drive a first pushing block and a second pushing block to move in a sliding chute of the first guiding rod and the second guiding rod, straight racks at two ends of the first pushing block and the second pushing block are respectively engaged and driven with an upper gear of a double-layer gear, a lower gear of the double-layer gear drives a second gear to rotate through a gear belt, the second gear drives a second rotating shaft to rotate, the second rotating shaft drives an L-shaped fastening block to rotate inwards, the L-shaped fastening blocks on four corners of the clamping table synchronously move to clamp and fix the processing part, and the clamping table rotates for one time through the motor, the synchronous movement of the four clamping linkage mechanisms is realized, so that the clamping table can fix the machined part more conveniently and quickly.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a clamp for machining and a using method thereof.
Background
In the general, in any process in the process, a device for quickly, conveniently and safely mounting a workpiece, which is called a fixture, such as a welding fixture, an inspection fixture, an assembly fixture, a machine tool fixture, and the like, is called a fixture, and among them, a machine tool fixture is the most common, often called a fixture for short, and when a workpiece is machined on a machine tool, the workpiece must be mounted and firmly clamped before machining in order to make the surface of the workpiece meet the technical requirements such as the size, the geometric shape, the mutual position precision with other surfaces, and the like specified in the drawing.
Disclosure of Invention
The present invention is directed to a fixture for machining and a method of using the same to solve the above-mentioned problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a clamp for machining comprises a clamping table, the clamping table is integrally of a cavity box structure without covers at the front and the back, a workpiece clamping mechanism is arranged inside the clamping table and comprises four side frames, the four side frames are fixedly arranged on the top surface inside the clamping table through connecting blocks at the tops of two sides through locking screws, a first guide rod and a second guide rod are symmetrically arranged on two sides inside the four side frames along the longitudinal direction, penetrating sliding grooves are horizontally formed in the side surfaces of the first guide rod and the second guide rod, a partition plate is arranged inside the clamping table and below the four side frames, a motor is arranged on the partition plate through a motor mounting seat, the output end of the motor is connected with a rotating impeller, the rotating impeller is located at the central position inside the four side frames, the rotating impeller is an 8-shaped mechanism, and a first connecting rod and a second connecting rod are respectively hinged to two sides of the rotating impeller, the other end of the first connecting rod is hinged with a first pushing block, the other end of the second connecting rod is hinged with a second pushing block, sliding blocks matched with sliding grooves of the first guide rod and the second guide rod are arranged at two ends of the first pushing block and the second pushing block, the first pushing block and the second pushing block are connected in the sliding grooves of the first guide rod and the second guide rod in a sliding mode through the sliding blocks at the two ends, and straight racks are arranged at two ends of the first pushing block and the second pushing block respectively;
four inside edges of four-sided frame do not are provided with and press from both sides tight link gear, it includes the conveying frame to press from both sides tight link gear, the fixed setting on four-sided frame inner wall of one end of conveying frame, the both ends of conveying frame are provided with pivot one and pivot two respectively, the bottom of pivot one has double gear through the key-type connection, the bottom of pivot two is provided with gear two through the key-type connection, it is connected with double gear's upper gear meshing respectively with the spur rack that promotes two both ends of piece one, double gear's lower floor gear passes through the gear belt and is connected with gear two, the mesa that the clamping platform was run through to pivot two's bottom is connected with L type mounting block, four L type mounting block sets up four edges of mesa at the clamping platform respectively.
As a still further scheme of the invention: the two clamping linkage mechanisms on one side of the four-side frame in the horizontal direction are located on the same horizontal direction as the pushing block, and straight racks at two ends of the pushing block are respectively in meshed connection with double-layer gears on the clamping linkage mechanisms in the same horizontal direction.
As a still further scheme of the invention: two clamping linkage mechanisms on the other side of the four-side frame in the horizontal direction and the two pushing blocks are located on the same horizontal direction, and straight racks at the two ends of each pushing block are respectively in meshed connection with double-layer gears on the clamping linkage mechanisms in the same horizontal direction.
As a still further scheme of the invention: two of the vertical direction is followed to four frames inside the tight link gear of clamp is fixed through the anchorage bar, the both ends of anchorage bar are fixed the setting respectively on the inside preceding, the trailing flank of four frames.
As a still further scheme of the invention: an annular groove is formed in a through hole through which the second rotating shaft passes through the conveying frame, an annular block matched with the annular groove is arranged on the second rotating shaft, and the second rotating shaft is rotatably connected in the annular groove of the conveying frame through the annular block.
As a still further scheme of the invention: one end of the L-shaped fastening block is provided with a through hole, the top end part of the second rotating shaft is provided with an external thread, the tail end of the top thread section of the second rotating shaft is fixedly provided with a fixed block in an annular structure, the L-shaped fastening block is erected on the top thread section of the second rotating shaft through the through hole, the top thread section of the second rotating shaft is connected with a first locking knob through a thread, and the bottom surface of the first locking knob is abutted to the top surface of the L-shaped fastening block;
a plurality of thread through holes are formed in the L-shaped fastening block in the horizontal direction, and a plurality of fastening screws are connected to the thread through holes of the L-shaped fastening block through threads.
As a still further scheme of the invention: the L-shaped fastening block is connected with a telescopic rod frame in a threaded through hole at the tail end in the horizontal direction, and the other end of the telescopic rod frame is connected with a V-shaped clamping block for fixing shaft parts;
the telescopic rod frame comprises a first connecting column and a second connecting column, wherein the first connecting column is of a hollow cylindrical structure with one uncovered end, an internal thread is arranged in the hollow cavity of the first connecting column, the second connecting column is of a cylindrical structure, an external thread matched with the internal thread of the first connecting column is arranged on the outer circumferential surface of the second connecting column, the second connecting column is connected in the hollow cavity of the first connecting column through a thread, a thread connecting column is fixedly arranged at one end of the first connecting column with an end cover, the first connecting column is connected in a thread through hole of an L-shaped fastening block through a thread connecting column, and the tail end of the thread connecting column is in threaded connection with a second locking knob;
and a spherical groove is formed in the end surface of the other end of the second connecting column, a ball matched with the spherical groove is arranged at the end part of the V-shaped fixture block, and the V-shaped fixture block is rotatably connected in the spherical groove of the second connecting column through the ball.
As a still further scheme of the invention: and an arc-shaped chamfer is formed at the included angle of the L-shaped fastening block.
As a still further scheme of the invention: a tool placing cavity is formed between the inner bottom surface of the clamping table and the partition plate, and sleeves for the second rotating shaft to penetrate through are respectively arranged at four corners of the table top of the clamping table;
four corners of the bottom surface of the clamping table are respectively provided with a guide wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the workpiece clamping mechanism and the clamping linkage mechanism are arranged on the clamping table, a processing part is placed on the clamping table, the rotating impeller is driven by the motor to rotate, the rotating impeller drives the connecting rod I and the connecting rod II on two sides to move longitudinally, so as to drive the pushing block I and the pushing block II to move in the sliding chutes of the guide rod I and the guide rod II, the straight racks at two ends of the pushing block I and the pushing block II are respectively meshed with the upper gear of the double-layer gear for transmission, the lower gear of the double-layer gear drives the gear II to rotate through the gear belt, so that the gear II drives the rotating shaft II to rotate, the rotating shaft II drives the L-shaped fastening block to rotate inwards, the L-shaped fastening blocks on four corners of the clamping table to clamp and fix the processing part synchronously, the clamping table realizes the synchronous movement of the four clamping linkage mechanisms through the primary rotation of the motor, and the fixing of the processing part by the L-shaped fastening blocks is simpler, more convenient and quicker, time and labor are saved;
2. according to the invention, the L-shaped fastening block is additionally provided with the fastening screw rod through threaded connection, so that the fastening screw rod can fix a local area of the processing part by rotating the fastening screw rod in the fixing process of the L-shaped fastening block to the processing part, and the clamping table can fix an irregular processing part, and has strong practicability;
3. in the invention, the telescopic rod bracket is additionally arranged on the L-shaped fastening block through the threaded connecting column, and the position of the V-shaped clamping block is adjusted by rotating the position of the connecting column II on the connecting column I, when the V-shaped clamping block is vertically arranged on the clamping table, the rotating impeller is driven by the motor to rotate, so that the rotating impeller drives the connecting rod I and the connecting rod II on the two sides to move longitudinally, thereby driving the first pushing block and the second pushing block to move in the sliding grooves of the first guide rod and the second guide rod, enabling the straight racks at the two ends of the first pushing block and the second pushing block to be respectively meshed with the upper gear of the double-layer gear for transmission, enabling the lower gear of the double-layer gear to drive the second gear to rotate through the gear belt, the gear II drives the rotating shaft II to rotate, the rotating shaft II drives the L-shaped fastening blocks to rotate inwards, the L-shaped fastening blocks on the same side of the clamping table drive the telescopic rod frame to move oppositely, and therefore the V-shaped clamping blocks on the telescopic rod frame lock and fix two ends of shaft parts; when the V-shaped clamping blocks are horizontally arranged on the clamping table, the L-shaped fastening blocks on the same side of the clamping table drive the telescopic rod frames to move oppositely, so that the V-shaped clamping blocks on the telescopic rod frames on two sides of the clamping table are respectively fixed to the two shaft parts, the clamping table is enabled to complete synchronous fixation of the two shaft parts, and the novel clamping table is high in practicability, high in flexibility and wide in action range.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic front view of a jig for machining.
Fig. 2 is a first structural schematic diagram of a clamping table in a clamp for machining.
Fig. 3 is a schematic structural diagram of a clamping table in a clamp for machining.
Fig. 4 is a schematic structural view of a workpiece clamping mechanism in a jig for machining.
Fig. 5 is a structural schematic diagram of a first guide rod in a clamp for machining.
Fig. 6 is a schematic view showing a structure of a transfer frame in a jig for machining.
Fig. 7 is a schematic structural view of a telescopic rod frame in a jig for machining.
In the figure: 1. a clamping table; 101. a guide wheel; 102. a partition plate; 103. a tool placement cavity; 104. a sleeve; 2. a workpiece clamping mechanism; 201. four frames; 202. a motor; 203. rotating the impeller; 204. a first connecting rod; 205. a second connecting rod; 206. a first pushing block; 207. a second pushing block; 208. a first guide rod; 209. a second guide rod; 210. a slider; 211. straight rack; 3. a clamping linkage mechanism; 301. a transfer frame; 302. a first rotating shaft; 303. a double-layer gear; 304. a second rotating shaft; 305. a second gear; 306. a gear belt; 307. an annular groove; 308. a ring block; 309. a fastening rod; 310. a fixed block; 4. an L-shaped fastening block; 401. locking a first knob; 402. arc chamfering; 403. fastening a screw rod; 5. a telescopic rod frame; 501. connecting a column I; 502. connecting a second column; 503. a threaded connection post; 504. a spherical groove; 505. a V-shaped clamping block; 506. and locking a second knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, in the embodiment of the present invention, a clamp for machining includes a clamping table 1, the clamping table 1 is integrally a hollow box structure with a front surface and a rear surface being uncovered, a workpiece clamping mechanism 2 is disposed inside the clamping table 1, the workpiece clamping mechanism 2 includes a four-side frame 201, the four-side frame 201 is fixedly disposed on the top surface inside the clamping table 1 through a locking screw via a connecting block at the top of two sides, a first guide rod 208 and a second guide rod 209 are symmetrically disposed on two sides inside the four-side frame 201 along a longitudinal direction, a through sliding slot is horizontally disposed on the side surfaces of the first guide rod 208 and the second guide rod 209, a partition plate 102 is disposed inside the clamping table 1 and below the four-side frame 201, a motor 202 is disposed on the partition plate 102 through a motor mounting seat, an output end of the motor 202 is connected to a rotating impeller 203, the rotating impeller 203 is disposed at a central position inside the four-side frame 201, the rotary impeller 203 is an 8-shaped mechanism, two sides of the rotary impeller 203 are respectively hinged with a first connecting rod 204 and a second connecting rod 205, the other end of the first connecting rod 204 is hinged with a first pushing block 206, the other end of the second connecting rod 205 is hinged with a second pushing block 207, two ends of the first pushing block 206 and the second pushing block 207 are provided with sliding blocks matched with a first guide rod 208 and a second guide rod 209, the first pushing block 206 and the second pushing block 207 are connected in sliding grooves of the first guide rod 208 and the second guide rod 209 through sliding blocks 210 at two ends, two ends of the first pushing block 206 and the second pushing block 207 are respectively provided with a spur rack 211, four corners inside the four frames 201 are respectively provided with a clamping linkage mechanism 3, the clamping linkage mechanism 3 comprises a conveying frame 301, one end of the conveying frame 301 is fixedly arranged on the inner wall of the four frames 201, two ends of the conveying frame 301 are respectively provided with a first rotating shaft 302 and a second rotating shaft 304, the bottom end of the first rotating shaft 302 is connected with a double-layer gear 303 through a key, the bottom end of the second rotating shaft 304 is connected with a second gear 305 through a key, straight racks 211 at two ends of the first pushing block 206 and the second pushing block 207 are respectively connected with an upper-layer gear of the double-layer gear 303 in a meshing manner, a lower-layer gear of the double-layer gear 303 is connected with the second gear 305 through a gear belt 306, the bottom end of the second rotating shaft 304 penetrates through a table top of the clamping table 1 and is connected with an L-shaped fastening block 4, the four L-shaped fastening blocks 4 are respectively arranged at four corners of the table top of the clamping table 1, the rotating impeller 203 is driven by the motor 202 to rotate, so that the rotating impeller 203 drives a first connecting rod 204 and a second connecting rod 205 at two sides to move longitudinally, and therefore the first pushing block 206 and the second pushing block 207 are driven to move in sliding grooves of a first guide rod 208 and a second guide rod 209, and the straight racks 211 at two ends of the first pushing block 206 and the second pushing block 207 are respectively in meshing transmission with the upper-layer gear of the double-layer gear 303, the lower layer gear of the double-layer gear 303 drives the second gear 305 to rotate through the gear belt 306, so that the second gear 305 drives the second rotating shaft 304 to rotate, the second rotating shaft 304 drives the L-shaped fastening block 4 to rotate inwards, and the clamping and fixing of the block-shaped processing part by the synchronous movement of the L-shaped fastening blocks 4 on the four corners of the clamping table 1 are realized.
Inside two to direction one side along the level of four borders 201 press from both sides tight link gear 3 with it is located same horizontal direction to promote a piece 206, promote the spur rack 211 at a piece 206 both ends respectively with same horizontal direction press from both sides the meshing of double-deck gear 303 on the tight link gear 3 and connect, two of the inside horizontal direction opposite side of following of four borders 201 press from both sides tight link gear 3 with it is located same horizontal direction to promote a piece two 207, promote the spur rack 211 at a piece two 207 both ends respectively with same horizontal direction press from both sides the meshing of double-deck gear 303 on the tight link gear 3 and connect, make this clamping platform 1 pass through a rotation of motor 202, realize four synchronous motion that press from both sides tight link gear 3, make L type anchorage block 4 more simple and convenient quick, labour saving and time saving to the fixed of processing part.
Two clamping linkage mechanisms 3 in the longitudinal direction are fixed inside the four-side frame 201 through fastening rods 309, and two ends of the fastening rods 309 are respectively and fixedly arranged on the front side and the rear side of the inside of the four-side frame 201, so that the clamping linkage mechanisms 3 are more stably fixed inside the four-side frame 201.
An annular groove 307 is formed in a through hole of the conveying frame 301, through which the second rotating shaft 304 penetrates, an annular block 308 matched with the annular groove 307 is arranged on the second rotating shaft 304, and the second rotating shaft 304 is rotatably connected in the annular groove 307 of the conveying frame 301 through the annular block 308, so that the second rotating shaft 304 can rotate on the conveying frame 301 more stably.
The through-hole has been seted up to the one end of L type fastening block 4, the external screw thread has been seted up at the top portion of two 304 pivots, the fixed block 310 that is the loop configuration that is provided with in the top screw thread section end of two 304 pivots, L type fastening block 4 erects on the top screw thread section of two 304 pivots through the through-hole, there is a locking knob 401 through threaded connection in the top screw thread section of two 304 pivots, the bottom surface of a locking knob 401 offsets with the top surface of L type fastening block 4, realizes that the locking of L type fastening block 4 on two 304 pivots is fixed.
A plurality of thread through holes are formed in the L-shaped fastening block 4 in the horizontal direction, a plurality of fastening screws 403 are connected to the thread through holes of the L-shaped fastening block 4 through threads, and in the fixing process of the L-shaped fastening block 4 to a machined part, the fastening screws 403 are rotated to fix the local area of the machined part, so that the clamping table 1 can fix irregular machined parts.
The L-shaped fastening block 4 is connected with a telescopic rod frame 5 in a threaded through hole at the tail end in the horizontal direction, the other end of the telescopic rod frame 5 is connected with a V-shaped fixture block 505 for fixing shaft parts, the telescopic rod frame 5 comprises a first connecting column 501 and a second connecting column 502, the first connecting column 501 is of a hollow cylindrical structure with one uncovered end, an internal thread is arranged in a cavity of the first connecting column 501, the second connecting column 502 is of a cylindrical structure, an external thread matched with the internal thread of the first connecting column 501 is arranged on the outer circumferential surface of the second connecting column 502, the second connecting column 502 is connected in the cavity of the first connecting column 501 through a thread, a threaded connecting column 503 is fixedly arranged at one end of the first connecting column 501 with an end cover, the first connecting column 501 is connected in a threaded through hole of the L-shaped fastening block 4 through the threaded connecting column 503, and the position of the second connecting column 502 on the first connecting column 501 is rotated, the position of the V-shaped fixture block 505 can be adjusted, so that the clamping table 1 can be suitable for mounting shaft parts with different calibers.
The tail end of the threaded connecting column 503 is in threaded connection with a second locking knob 506, the end face of the other end of the connecting column 502 is provided with a spherical groove 504, the end of the V-shaped fixture block 505 is provided with a ball matched with the spherical groove 504, and the V-shaped fixture block 505 is rotatably connected in the spherical groove 504 of the connecting column 502 through the ball, so that the position of the V-shaped fixture block 505 can be conveniently adjusted.
An arc-shaped chamfer 402 is arranged at the included angle of the L-shaped fastening block 4.
A tool placing cavity 103 is formed between the inner bottom surface of the clamping table 1 and the partition plate 102, and sleeves 104 for the second rotating shaft 304 to pass through are respectively arranged at four corners of the table top of the clamping table 1;
four corners of the bottom surface of the clamping table 1 are respectively provided with a guide wheel 101.
The working principle is as follows:
the L-shaped fastening block 4 is sleeved on the second rotating shaft 304, the fixing of the L-shaped fastening block 4 is realized by screwing the first locking knob 401, when the processing part is in a block structure, the motor 202 drives the rotating impeller 203 to rotate, so that the rotating impeller 203 drives the connecting rod I204 and the connecting rod II 205 at two sides to move longitudinally, thereby driving the first pushing block 206 and the second pushing block 207 to move in the sliding grooves of the first guide rod 208 and the second guide rod 209, respectively causing the spur racks 211 at the two ends of the first pushing block 206 and the second pushing block 207 to be respectively in meshed transmission with the upper gear of the double-layer gear 303, causing the lower gear of the double-layer gear 303 to drive the second gear 305 to rotate through the gear belt 306, the second gear 305 drives the second rotating shaft 304 to rotate, the second rotating shaft 304 drives the L-shaped fastening block 4 to rotate inwards, and the L-shaped fastening blocks 4 on the four corners of the clamping table 1 synchronously move to clamp and fix the block-shaped processing component;
when the processing part is in an irregular structure, a fastening screw 403 is additionally arranged on the L-shaped fastening block 4 through threads, the motor 202 drives the rotary impeller 203 to rotate, the rotary impeller 203 drives the first connecting rod 204 and the second connecting rod 205 on two sides to move longitudinally, so as to drive the first pushing block 206 and the second pushing block 207 to move in the sliding grooves of the first guide rod 208 and the second guide rod 209, the straight racks 211 at two ends of the first pushing block 206 and the second pushing block 207 are respectively in meshing transmission with the upper gear of the double-layer gear 303, the lower gear of the double-layer gear 303 drives the second gear 305 to rotate through the gear belt 306, so that the second gear 305 drives the second rotating shaft 304 to rotate, the second rotating shaft 304 drives the L-shaped fastening block 4 to rotate inwards, the synchronous movement of the L-shaped fastening blocks 4 on four corners of the clamping table 1 is realized, the primary fixing of the processing part is realized by screwing the fastening screw 403, and the local part of the processing part is extruded and fixed, thereby realizing the clamping and fixing of the processing part with the irregular structure;
when the machining part is a shaft part and the shaft part is transversely placed on the clamping table 1, the telescopic rod frame 5 is fixed on the L-shaped fastening block 4 through the threaded connecting column 503, the position of the V-shaped fixture block 505 is adjusted by rotating the position of the connecting column II 502 on the connecting column I501, the V-shaped fixture block 505 is vertically arranged on the clamping table 1, the rotating impeller 203 is driven to rotate through the motor 202, the rotating impeller 203 drives the connecting rod I204 and the connecting rod II 205 on two sides to longitudinally move, so that the pushing block I206 and the pushing block II 207 are driven to move in the sliding grooves of the guide rod I208 and the guide rod II 209, the straight racks 211 at two ends of the pushing block I206 and the pushing block II 207 are respectively in meshing transmission with the upper gear of the double-layer gear 303, the lower gear of the double-layer gear 303 drives the gear II 305 to rotate through the gear belt 306, and the gear II 305 drives the rotating shaft II 304 to rotate, the second rotating shaft 304 drives the L-shaped fastening blocks 4 to rotate inwards, so that the L-shaped fastening blocks 4 on the same side of the clamping table 1 drive the telescopic rod frame 5 to move oppositely, and the V-shaped clamping blocks 505 on the telescopic rod frame 5 lock and fix two ends of shaft parts;
when an axial component is vertically placed on the clamping table 1, the telescopic rod frame 5 is fixed on the L-shaped fastening block 4 through the threaded connecting column 503, the position of the V-shaped fixture block 505 is adjusted by rotating the position of the connecting column II 502 on the connecting column I501, the V-shaped fixture block 505 is horizontally arranged on the clamping table 1, the rotating impeller 203 is driven to rotate through the motor 202, the rotating impeller 203 drives the connecting rod I204 and the connecting rod II 205 on two sides to longitudinally move, so that the pushing block I206 and the pushing block II 207 are driven to move in the sliding grooves of the guide rod I208 and the guide rod II 209, the straight racks 211 at two ends of the pushing block I206 and the pushing block II 207 are respectively meshed with the upper gear of the double-layer gear 303 to drive the gear II 305 to rotate through the gear belt 306, so that the gear II 305 drives the rotating shaft II 304 to rotate, and the rotating shaft II 304 drives the L-shaped fastening block 4 to rotate inwards, the L-shaped fastening blocks 4 on the same side of the clamping table 1 drive the telescopic rod frames 5 to move oppositely, so that the V-shaped clamping blocks 505 on the telescopic rod frames 5 on the two sides of the clamping table 1 are respectively fixed to shaft parts, and the clamping table 1 is enabled to complete synchronous fixation of the two shaft parts.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The clamp for machining is characterized by comprising a clamping table (1), wherein the clamping table (1) is integrally of a front cavity box body structure without a cover at the back, a workpiece clamping mechanism (2) is arranged inside the clamping table (1), the workpiece clamping mechanism (2) comprises a four-side frame (201), the four-side frame (201) is fixedly arranged on the top surface inside the clamping table (1) through connecting blocks at the tops of two sides through locking screws, a first guide rod (208) and a second guide rod (209) are symmetrically arranged on two sides inside the four-side frame (201) along the longitudinal direction, a penetrating sliding groove is horizontally formed in the side surfaces of the first guide rod (208) and the second guide rod (209), a partition plate (102) is arranged inside the clamping table (1) and below the four-side frame (201), and a motor (202) is arranged on the partition plate (102) through a motor mounting seat, the output end of the motor (202) is connected with a rotating impeller (203), the rotating impeller (203) is positioned at the center position in the four frames (201), the rotating impeller (203) is an 8-shaped mechanism, and a first connecting rod (204) and a second connecting rod (205) are respectively hinged on two sides of the rotating impeller (203), the other end of the first connecting rod (204) is hinged with a first pushing block (206), the other end of the second connecting rod (205) is hinged with a second pushing block (207), two ends of the first pushing block (206) and the second pushing block (207) are provided with sliding blocks matched with the sliding grooves of the first guide rod (208) and the second guide rod (209), the first pushing block (206) and the second pushing block (207) are connected in the sliding grooves of the first guide rod (208) and the second guide rod (209) in a sliding way through sliding blocks (210) at two ends, two ends of the first pushing block (206) and the second pushing block (207) are respectively provided with a spur rack (211);
four inside edges of four-sided frame (201) are provided with respectively and press from both sides tight link gear (3), press from both sides tight link gear (3) including conveying frame (301), the one end of conveying frame (301) is fixed to be set up on four-sided frame (201) inner wall, the both ends of conveying frame (301) are provided with pivot one (302) and pivot two (304) respectively, the bottom of pivot one (302) is connected with double gear (303) through the key, the bottom of pivot two (304) is provided with gear two (305) through the key-type connection, it is connected with the upper gear meshing of double gear (303) respectively with spur rack (211) that promotes a (206) and two (207) both ends, the lower floor gear of double gear (304) passes through gear belt (306) and is connected with gear two (305), the mesa that the bottom of pivot two (304) runs through dress clamp platform (1) is connected with L type fastening piece (4), the four L-shaped fastening blocks (4) are respectively arranged at four corners of the table top of the clamping table (1).
2. The clamp for machining according to claim 1, wherein two clamping linkage mechanisms (3) on one side of the interior of the four-side frame (201) along the horizontal direction are located in the same horizontal direction with the first pushing block (206), and the spur racks (211) at two ends of the first pushing block (206) are respectively in meshed connection with double-layer gears (303) on the clamping linkage mechanisms (3) along the horizontal direction.
3. The clamp for machining according to claim 1, wherein two clamping linkage mechanisms (3) on the other side of the inside of the four side frame (201) along the horizontal direction are located in the same horizontal direction with the second pushing block (207), and the spur racks (211) at two ends of the second pushing block (207) are respectively in meshed connection with double-layer gears (303) on the clamping linkage mechanisms (3) along the horizontal direction.
4. The jig for machining according to claim 1, wherein two of the clamping linkages (3) in the longitudinal direction inside the four-sided frame (201) are fixed by a fastening rod (309), and both ends of the fastening rod (309) are respectively fixedly disposed on the front and rear sides inside the four-sided frame (201).
5. The clamp for machining according to claim 1, wherein a through hole of the transmission frame (301) for the second rotating shaft (304) to pass through is internally provided with an annular groove (307), the second rotating shaft (304) is provided with an annular block (308) matched with the annular groove (307), and the second rotating shaft (304) is rotatably connected in the annular groove (307) of the transmission frame (301) through the annular block (308).
6. The clamp for machining according to claim 1, wherein a through hole is formed in one end of the L-shaped fastening block (4), an external thread is formed in the top end portion of the second rotating shaft (304), a fixing block (310) in an annular structure is fixedly arranged at the tail end of the top thread section of the second rotating shaft (304), the L-shaped fastening block (4) is erected on the top thread section of the second rotating shaft (304) through the through hole, a first locking knob (401) is connected to the top thread section of the second rotating shaft (304) through a thread, and the bottom surface of the first locking knob (401) abuts against the top surface of the L-shaped fastening block (4);
a plurality of thread through holes are formed in the L-shaped fastening block (4) in the horizontal direction, and a plurality of fastening screws (403) are connected to the thread through holes of the L-shaped fastening block (4) through threads.
7. The clamp for machining according to claim 6, wherein the L-shaped fastening block (4) is connected with a telescopic rod frame (5) in a threaded through hole at the tail end in the horizontal direction, and a V-shaped fixture block (505) for fixing shaft parts is connected to the other end of the telescopic rod frame (5);
the telescopic rod frame (5) comprises a first connecting column (501) and a second connecting column (502), the first connecting column (501) is of a hollow cylindrical structure with one uncovered end, an internal thread is formed inside a cavity of the first connecting column (501), the second connecting column (502) is of a cylindrical structure, an external thread matched with the internal thread of the first connecting column (501) is formed in the outer circumferential surface of the second connecting column (502), the second connecting column (502) is connected inside the cavity of the first connecting column (501) through a thread, a threaded connecting column (503) is fixedly arranged at one end of the first connecting column (501) with an end cover, the first connecting column (501) is connected into a threaded through hole of the L-shaped fastening block (4) through the threaded connecting column (503), and the tail end of the threaded connecting column (503) is in threaded connection with a second locking knob (506);
a spherical groove (504) is formed in the end face of the other end of the second connecting column (502), a ball matched with the spherical groove (504) is arranged at the end of the V-shaped fixture block (505), and the V-shaped fixture block (505) is rotatably connected into the spherical groove (504) of the second connecting column (502) through the ball.
8. The clamp for machining according to claim 7, wherein an arc-shaped chamfer (402) is formed at the corner of the L-shaped fastening block (4).
9. The clamp for machining according to claim 1, characterized in that a tool placing cavity (103) is formed between the inner bottom surface of the clamping table (1) and the partition plate (102), and four corners of the table top of the clamping table (1) are respectively provided with a sleeve (104) for a second rotating shaft (304) to pass through;
four corners of the bottom surface of the clamping table (1) are respectively provided with a guide wheel (101).
10. Use of a clamp for machining according to any one of claims 1 to 9, characterized in that it comprises the following specific steps:
the method comprises the following steps: sleeving an L-shaped fastening block (4) on a second rotating shaft (304), fixing the L-shaped fastening block (4) by screwing a first locking knob (401), driving a rotary impeller (203) to rotate through a motor (202) when a processing part is of a block structure, enabling the rotary impeller (203) to drive a first connecting rod (204) and a second connecting rod (205) on two sides to move longitudinally, so as to drive a first pushing block (206) and a second pushing block (207) to move in sliding grooves of a first guide rod (208) and a second guide rod (209), enabling straight racks (211) at two ends of the first pushing block (206) and the second pushing block (207) to be respectively in meshing transmission with an upper gear of a double-layer gear (303), enabling a lower gear of the double-layer gear (303) to drive a second gear (305) to rotate through a gear belt (306), and enabling the second gear (305) to drive the second rotating shaft (304) to rotate, so as to enable the second rotating shaft (304) to drive the L-shaped fastening block (4) to rotate, the clamping and fixing of the block-shaped processing components are realized by the synchronous movement of the L-shaped fastening blocks (4) on the four corners of the clamping table (1);
step two: when the processing part is in an irregular structure, a fastening screw rod (403) is additionally arranged on the L-shaped fastening block (4) through threads, the motor (202) drives the rotary impeller (203) to rotate, the rotary impeller (203) drives the connecting rod I (204) and the connecting rod II (205) on two sides to move longitudinally, so that the push block I (206) and the push block II (207) are driven to move in the sliding grooves of the guide rod I (208) and the guide rod II (209), the straight racks (211) at two ends of the push block I (206) and the push block II (207) are respectively in meshing transmission with the upper gear of the double-layer gear (303), the lower gear of the double-layer gear (303) drives the gear II (305) to rotate through the gear belt (306), the gear II (304) drives the rotating shaft II (304) to rotate, the rotating shaft II (304) drives the L-shaped fastening block (4) to rotate, and primary fixing of the processing part by synchronous movement of the L-shaped fastening blocks (4) on four corners of the clamping table (1) is realized, the fastening screw rod (403) is screwed, and the local part of the processing part is extruded and fixed through the fastening screw rod (403), so that the processing part with the irregular structure is clamped and fixed;
step three: when the machining part is a shaft part and the shaft part is transversely placed on the clamping table (1), the telescopic rod frame (5) is fixed on the L-shaped fastening block (4) through the threaded connecting column (503), the position of the V-shaped fixture block (505) is adjusted by rotating the position of the connecting column II (502) on the connecting column I (501), the V-shaped fixture block (505) is vertically arranged on the clamping table (1), the rotating impeller (203) is driven to rotate through the motor (202), the rotating impeller (203) drives the connecting rod I (204) and the connecting rod II (205) on two sides to longitudinally move, so that the pushing block I (206) and the pushing block II (207) are driven to move in the sliding grooves of the guide rod I (208) and the guide rod II (209), and the straight racks (211) at two ends of the pushing block I (206) and the pushing block II (207) are respectively meshed with the upper gear of the double-layer gear (303) for transmission, the lower layer gear of the double-layer gear (303) drives a second gear (305) to rotate through a gear belt (306), so that the second gear (305) drives a second rotating shaft (304) to rotate, the second rotating shaft (304) drives an L-shaped fastening block (4) to rotate inwards, the L-shaped fastening block (4) on the same side of the clamping table (1) drives the telescopic rod frame (5) to move oppositely, and the V-shaped clamping block (505) on the telescopic rod frame (5) realizes locking and fixing of two ends of shaft parts;
step four: when the machining part is a shaft part and the shaft part is vertically placed on the clamping table (1), the telescopic rod frame (5) is fixed on the L-shaped fastening block (4) through the threaded connecting column (503), the position of the V-shaped fixture block (505) is adjusted by rotating the position of the connecting column II (502) on the connecting column I (501), the V-shaped fixture block (505) is horizontally arranged on the clamping table (1), the rotating impeller (203) is driven to rotate through the motor (202), the rotating impeller (203) drives the connecting rod I (204) and the connecting rod II (205) on two sides to longitudinally move, so that the pushing block I (206) and the pushing block II (207) are driven to move in the sliding grooves of the guide rod I (208) and the guide rod II (209), and the straight racks (211) at two ends of the pushing block I (206) and the pushing block II (207) are respectively meshed with the upper gear of the double-layer gear (303) for transmission, the lower layer gear of the double-layer gear (303) drives the second gear (305) to rotate through the gear belt (306), so that the second gear (305) drives the second rotating shaft (304) to rotate, the second rotating shaft (304) drives the L-shaped fastening block (4) to rotate inwards, the L-shaped fastening block (4) on the same side on the clamping table (1) drives the telescopic rod frames (5) to move oppositely, the V-shaped clamping blocks (505) on the telescopic rod frames (5) on the two sides of the clamping table (1) are fixed to shaft parts respectively, and the clamping table (1) is enabled to complete synchronous fixation of the two shaft parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110884919.1A CN113714827A (en) | 2021-08-03 | 2021-08-03 | Clamp for machining and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110884919.1A CN113714827A (en) | 2021-08-03 | 2021-08-03 | Clamp for machining and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113714827A true CN113714827A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110884919.1A Pending CN113714827A (en) | 2021-08-03 | 2021-08-03 | Clamp for machining and using method thereof |
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| CN (1) | CN113714827A (en) |
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| US20100170081A1 (en) * | 2006-08-10 | 2010-07-08 | Takayuki Kuroda | Clamp device |
| CN107322341A (en) * | 2017-08-14 | 2017-11-07 | 王佳庆 | A kind of clamping tool for machine work in adjustable direction |
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| CN209424992U (en) * | 2018-11-09 | 2019-09-24 | 杭州扬恩金属制品有限公司 | A kind of drilling and milling center fixture |
| CN111571539A (en) * | 2020-05-26 | 2020-08-25 | 安徽省阜南志峰工艺品有限公司 | Adjustable fixture for machining iron artware and using method of adjustable fixture |
| CN112566424A (en) * | 2020-12-22 | 2021-03-26 | 安徽飞凯电子技术有限公司 | Production process of cabinet shell for network cabinet |
| CN212977510U (en) * | 2020-08-11 | 2021-04-16 | 陕西格乐普新机械有限公司 | Shaft part machining tool |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100170081A1 (en) * | 2006-08-10 | 2010-07-08 | Takayuki Kuroda | Clamp device |
| CN107322341A (en) * | 2017-08-14 | 2017-11-07 | 王佳庆 | A kind of clamping tool for machine work in adjustable direction |
| CN208262334U (en) * | 2018-04-29 | 2018-12-21 | 惠州市惠阳协力精密铸造有限公司 | A kind of machining fixture facilitating adjusting |
| CN209424992U (en) * | 2018-11-09 | 2019-09-24 | 杭州扬恩金属制品有限公司 | A kind of drilling and milling center fixture |
| CN111571539A (en) * | 2020-05-26 | 2020-08-25 | 安徽省阜南志峰工艺品有限公司 | Adjustable fixture for machining iron artware and using method of adjustable fixture |
| CN212977510U (en) * | 2020-08-11 | 2021-04-16 | 陕西格乐普新机械有限公司 | Shaft part machining tool |
| CN112566424A (en) * | 2020-12-22 | 2021-03-26 | 安徽飞凯电子技术有限公司 | Production process of cabinet shell for network cabinet |
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