CN111331529A

CN111331529A - Bench clamp capable of fixing workpieces of multiple sizes

Info

Publication number: CN111331529A
Application number: CN202010196161.8A
Authority: CN
Inventors: 邱葭菲; 王瑞权
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-06-26

Abstract

The utility model provides a can fix bench vice of many sizes work piece, second crosspiece and the first crosspiece that is located second crosspiece lower extreme, second crosspiece lower extreme are equipped with and are located the fixing device of first crosspiece upper end, fixing device includes diaphragm, major part pin, cell body and ball, the diaphragm is located the second crosspiece lower extreme, the upper end plane central point of diaphragm puts and runs through the major part pin that has a plurality of to turn right from a left side and evenly set up, the bottom processing of second crosspiece has and is located the cell body of major part pin upper end, two rows of balls are installed to the inner wall of cell body, the outer wall and the major part pin of ball support tightly each other, and the device structural design is reasonable, and convenient to use comes fixed clamp simultaneously to the pipe fitting of not unidimensional through the relative movement of upper and lower floor ball when pressing from both sides tightly, has improved staff's work efficiency.

Description

Bench clamp capable of fixing workpieces of multiple sizes

Technical Field

The invention relates to the technical field of bench clamps, in particular to a bench clamp capable of fixing workpieces of multiple sizes.

Background

Bench vice, also known as vice or bench vice, is a tool for clamping and fixing workpiece for processing, and is widely used. It is also of many varieties. Bench clamps are a necessary tool for bench workers and are the source of the name of bench workers, because most of the work of bench workers is completed on bench clamps.

For example, the patent numbers are: 201821664938.3, a bench vice, which comprises a fixed vice body, a movable vice body and a screw rod, wherein the fixed vice body, the movable vice body and the screw rod comprise a slide rail base arranged on a table plate and a support arranged on the slide rail base, although the bench vice can be used by a worker conveniently, the fixed workpiece needing limitation exists, the problem of the required workpieces in various shapes can not be fixed, and the problems of time and labor waste and influence on the working efficiency can not be conveniently realized, the disassembly and maintenance are carried out, and parts are damaged and replaced.

Disclosure of Invention

The bench clamp capable of fixing workpieces of multiple sizes is reasonable in structural design and convenient to use, can be used for fixing workpieces of multiple different sizes at the same time, facilitates fixing and processing of the workpieces, saves time for re-clamping the workpieces, improves working efficiency, is convenient to disassemble and maintain, and saves time and labor.

The invention adopts the technical scheme for solving the technical problems that: the bench clamp capable of fixing multi-size workpieces comprises a second transverse block and a first transverse block positioned at the lower end of the second transverse block, wherein a fixing device positioned at the upper end of the first transverse block is arranged at the lower end of the second transverse block, the fixing device comprises a transverse plate, large-head pins, a groove body and balls, the transverse plate is positioned at the lower end of the second transverse block, a plurality of large-head pins which are uniformly arranged from left to right penetrate through the central position of the upper end plane of the transverse plate, movable grooves formed in the transverse block are formed in the outer sides of the large-head pins, the groove body positioned at the upper end of the large-head pins is machined at the bottom of the second transverse block, two rows of balls are installed on the inner wall of the groove body, the outer walls of the balls and the large-head pins are mutually abutted, the balls positioned on the large-head pins are arranged, the balls are vertically stacked in the inner side of the groove body, thereby the ball of this big head pin upper end moves up along with big head pin makes the ball of upper end move left or right side, and the big head pin of both ends also contacts with the work piece that the lower extreme needs to be fixed about until to make not unidimensional work piece can be fixed on this bench vice simultaneously, saved the time that a large amount of work pieces were dismantled and were clamped, great promotion work efficiency.

In order to further improve the structure, a placing mechanism is arranged on the inner wall of the first transverse block, the placing mechanism comprises a first screw rod, bent rods, V-shaped blocks, a rotary table and a cavity arranged at the center of the inner side of the first transverse block, the outer walls of a plurality of first screw rods penetrate through the bottom of the first transverse block and extend to the inner side of the cavity of the first transverse block, the tops of the plurality of first screw rods are rotatably connected with a left bent rod and a right bent rod through pin shafts, a plurality of through grooves arranged on the first transverse block are processed at the upper end of the cavity, the plurality of bent rods are respectively positioned at the inner sides of the through grooves, the bent rods are in clearance fit with the inner walls of the through grooves, the V-shaped blocks are clamped on the inner sides of the bent rods, the bottoms of the plurality of V-shaped blocks are attached to the top of the first transverse block, the outer walls of the plurality of first screw rods are in threaded connection with the rotary table, and the tops of the rotary, the working personnel can replace the blocks except the V-shaped block according to the shape of the workpiece to be machined and place the workpiece to be machined on the V-shaped block or other blocks.

Further perfection, the bent rod, the first screw rod and the turntable form a tight abutting structure, so that the V-shaped block can be stably fixed at the top of the first transverse block.

Further perfect, be equipped with on the diaphragm upper end plane and be located the inboard installation shell of cell body, the installation shell all around with the cell body inner wall closely laminates, the installation shell lower extreme outside is equipped with fixed connection in location portion on the diaphragm, open the installation shell upper end and have the mouth of placing, be equipped with the installation shell that is located on the diaphragm, the ball piles up in the installation shell, and the installation shell joint is inboard in location portion for the ball only needs to take off the diaphragm when change, maintenance are dismantled to needs, and the ball can take out along with the diaphragm under the effect of installation shell, thereby makes the change of ball more convenient, and can dismantle the installation shell that sets up also makes the change of major part pin, maintains more convenient.

Further perfect, first horizontal piece upper end fixedly connected with a plurality of joint is in the inboard location of V type piece is protruding, the location protruding with the major part pin corresponds the setting from top to bottom, is equipped with the location arch that is located V type piece lower extreme, the installation and the location of the V type piece of being convenient for the V type piece is installed under the major part pin, and the clamp of the major part pin of being convenient for is tight and fixed.

Further perfect, the left and right sides of diaphragm all is equipped with coupling mechanism, coupling mechanism includes elasticity kelly, draw-in groove piece and handle, controls elasticity kelly rotates the left and right sides of connection at the diaphragm through the round pin axle respectively, the inboard joint of elasticity kelly has the draw-in groove piece, the draw-in groove piece is fixed connection respectively in the left and right sides of second crosspiece, two the handle has all been processed at the top of elasticity kelly for the diaphragm can carry out quick dismantlement, carries out the inside maintenance.

Further perfection, both ends open about the first horizontal piece have first through-hole, both ends open about the second horizontal piece have the second through-hole, control the inner wall of first through-hole is equipped with adjustment mechanism, adjustment mechanism includes second screw rod, sheave, belt and carousel, two the second screw rod rotates respectively through the bearing to be connected the inner wall of first through-hole, two the outer wall of second screw rod respectively with the inner wall clearance fit of two second through-holes, two the threaded connection respectively of second screw rod is inboard and extend the top of second horizontal piece about the second horizontal piece, two the equal rigid coupling in top of second screw rod has the sheave, two the sheave rotates through the belt and links to each other, the right side the top fixedly connected with carousel of sheave for the second screw rod can drive major part pin will need the machined part to fix on V type piece or other block.

Further perfection, the thread directions of the two second screw rods are consistent, so that the second screw rods can drive the second transverse block, the transverse plate and the large-head pin to contact with the V-shaped block or other blocks when rotating.

Further perfect, the left end second through-hole front end is opened there is first dismantlement groove, and the right-hand member second through-hole rear end is opened there is second dismantlement groove, opens and has first dismantlement groove and second dismantlement groove for the diaphragm need not take off the second horizontal piece from the second screw rod when the dismouting, makes the dismantlement of diaphragm, maintenance convenience more, quick.

The invention has the beneficial effects that: the bench clamp has a scientific and reasonable structure, is safe and convenient to use, can simultaneously clamp workpieces of multiple sizes, can ensure that a worker can replace the block bodies except the V-shaped block according to the shape of a workpiece to be machined by matching the curved rod, the V-shaped block, the big-end pin, the first screw, the ball and the turntable, can fix and machine the workpiece to be machined by the V-shaped block or the outer block bodies, the big-end pin and the ball, and avoids the problems that the machined workpiece is limited and the workpieces of multiple shapes cannot be fixed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the cross plate of the present invention;

FIG. 3 is a schematic view of the connection between the resilient latch and the cross plate of FIG. 1;

FIG. 4 is a schematic view showing the connection relationship between the first screw, the curved bar and the rotary plate in FIG. 1;

FIG. 5 is a schematic view of the connection between the cross plate, the second port and the pin of FIG. 1;

FIG. 6 is a schematic diagram of the present invention in a configuration for clamping workpieces of different sizes.

Description of reference numerals: 1. the device comprises a first transverse block, 2, a first through hole, 3, a through groove, 4, a placing mechanism, 5, a fixing device, 6, a connecting mechanism, 7, an adjusting mechanism, 8, an installation shell, 9, a positioning part, 10, a placing opening, 11, a positioning bulge, 12, a first dismounting groove, 13, a second dismounting groove, 14, a movable groove, 401, a first screw rod, 402, a curved rod, 403, a V-shaped block, 404, a rotary disc, 405, a cavity, 501, a transverse plate, 502, a second through hole, 503, a big-end pin, 504, a second transverse block, 505, a groove body, 506, a ball, 601, an elastic clamping rod, 602, a clamping groove block, 603, a handle, 701, a second screw rod, 702, a grooved wheel, 703, a belt, a rotary disc.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 and 5, in this embodiment, a pair of bench clamp capable of fixing a multi-size workpiece includes a second cross block 504 and a first cross block 1 located at a lower end of the second cross block 504, a fixing device 5 located at an upper end of the first cross block 1 is disposed at a lower end of the second cross block 1, the fixing device 5 includes a cross plate 501, a large-head pin 503, a groove 505 and balls 506, the cross plate 501 is located at a lower end of the second cross block 504, a plurality of large-head pins 503 uniformly arranged from left to right penetrate through a center position of an upper end plane of the cross plate 501, a movable groove 14 opened on the cross block 501 is disposed outside the large-head pin 503, the bottom of the second cross block 504 is processed with the large-head pin 503, two rows of balls 506 are mounted on an inner wall of the groove 505, outer walls of the balls 506 abut against the large-head pin 503, and balls 506 on the large-head pin 503 are disposed, the balls 506 are stacked up and down inside the groove body 505, when the lower end of one big-head pin 503 abuts against a workpiece with a larger size, the balls 506 at the upper end of the big-head pin 503 move upwards along with the big-head pin 503 so that the balls 506 at the upper end move leftwards or rightwards until the big-head pins 503 at the left end and the right end contact with the workpiece needing to be fixed at the lower end, so that the workpieces with different sizes can be fixed on the bench clamp at the same time, a large amount of time for disassembling and clamping the workpieces is saved, and the working efficiency is greatly improved.

As shown in fig. 1 and 4, a placing mechanism 4 is disposed on an inner wall of a first transverse block 1, the placing mechanism 4 includes a first screw 401, a curved bar 402, a V-shaped block 403, a rotating disc 404 and a cavity 405 opened at a central position inside the first transverse block 1, outer walls of a plurality of first screws 401 penetrate through a bottom of the first transverse block 1 and extend to an inner side of the cavity 405 of the first transverse block 1, a plurality of top portions of the first screws 401 are rotatably connected with a left curved bar 402 and a right curved bar 402 through pin shafts, a plurality of through grooves 3 opened on the first transverse block 1 are processed at an upper end of the cavity 405, the plurality of curved bars 402 are respectively located inside the through grooves 3, the curved bars 402 are in clearance fit with inner walls of the through grooves 3, the V-shaped block 403 is clamped inside the curved bars 402, bottoms of the V-shaped blocks 403 are attached to the top portion of the first transverse block 1, the outer walls of the plurality of first screws 401 are in threaded connection with the rotating disc 404, the tops of the turntables 404 are attached to the bottom of the first transverse block 1, so that a worker can replace the blocks except the V-shaped block 403 according to the shape of the workpiece to be machined and place the workpiece to be machined on the V-shaped block 403 or other blocks.

As shown in fig. 4, the curved rod 402, the first screw 401 and the rotating disc 404 form a fastening structure, so that the V-shaped block 403 can be stably fixed on the top of the first transverse block 1.

As shown in fig. 1 and 2, be equipped with on the plane of diaphragm 501 upper end and be located the inboard installation shell 8 of cell body 505, installation shell 8 all around with the cell body 505 inner wall is closely laminated, the installation shell 8 lower extreme outside is equipped with fixed connection in location portion 9 on the diaphragm 501, open installation shell 8 upper end has and places mouth 10, ball 506 piles up in installation shell 8, and installation shell 8 joint is inboard at location portion 9 for ball 506 only needs to be taken off diaphragm 501 when change, maintenance in needs are dismantled, and ball 506 can take out along with diaphragm 501 under the effect of installation shell 8 together, thereby makes ball 506's change more convenient, and can dismantle the installation shell 506 of setting also make change, the maintenance of big-end pin 503 more convenient.

As shown in fig. 4, the upper end of the first transverse block 1 is fixedly connected with a plurality of positioning protrusions 11 which are clamped on the inner side of the V-shaped block 403, the positioning protrusions 11 are arranged corresponding to the pin 503 up and down, and the positioning protrusions 11 located at the lower end of the V-shaped block 403 are arranged to facilitate the installation and positioning of the V-shaped block 403, so that the V-shaped block 403 is installed under the pin to facilitate the clamping and fixing of the pin.

As shown in fig. 3, the left and right sides of diaphragm 501 all is equipped with coupling mechanism 6, coupling mechanism 6 includes elasticity kelly 601, draw-in groove piece 602 and handle 603, controls elasticity kelly 601 rotates the left and right sides of connection at diaphragm 501 through the round pin axle respectively, the inboard joint of elasticity kelly 601 has draw-in groove piece 602, draw-in groove piece 602 fixed connection respectively in the left and right sides of second lateral mass 504, two the handle 603 has all been processed at the top of elasticity kelly 601 for diaphragm 501 can carry out quick dismantlement, carries out interior maintenance.

As shown in fig. 1 and 6, the left and right ends of the first transverse block 1 are provided with first through holes 2, the left and right ends of the second transverse block 504 are provided with second through holes 502, the inner walls of the left and right first through holes 2 are provided with adjusting mechanisms 7, the adjusting mechanism 7 comprises second screws 701, grooved pulleys 702, a belt 703 and a turntable 704, the two second screws 701 are respectively rotatably connected to the inner wall of the first through hole 2 through bearings, the outer walls of the two second screws 701 are respectively in clearance fit with the inner walls of the two second through holes 502, the two second screws 701 are respectively in threaded connection with the inner sides of the left and right ends of the second cross block 504 and extend out of the top of the second cross block 504, the top of each of the two second screws 701 is fixedly connected with a grooved pulley 702, the two grooved pulleys 702 are rotatably connected through the belt 703, the top of the grooved pulley 702 on the right side is fixedly connected with the turntable 704, so that the second screw 701 can drive the pin 503 to fix the workpiece to be machined on the V-shaped block 403 or other block.

As shown in fig. 1, the thread directions of the two second screws 701 are the same, so that when the second screws 701 rotate, the second cross block 504, the cross plate 501 and the stud 503 are driven to contact with the V-shaped block 403 or another block.

As shown in fig. 2, the front end of the left-end second through hole 502 is provided with a first detaching groove 12, the rear end of the right-end second through hole 502 is provided with a second detaching groove 13, and the first detaching groove and the second detaching groove are provided, so that the transverse plate 501 does not need to take down the second cross block 504 from the second screw 701 during detaching, and the transverse plate 501 is more convenient and faster to detach and maintain.

When the invention is used, when workpieces with different shapes are fixed, a user rotates the rotary disc 404 to enable the rotary disc 404 to move on the first screw rod 401 and cancel the joint with the bottom of the first transverse block 1, after the joint is cancelled, the user rotates the curved rod 402 to cancel the abutting of the V-shaped block 403 and replace other block bodies, the other block bodies are abutted with the top of the first transverse block 1 and clamp the curved rod 402 with other block bodies, after the clamping is cancelled, the user rotates the rotary disc 704 to abut the rotary disc 704 to the bottom of the first transverse block 1, so that the other block bodies are fixed on the top of the first transverse block 2, after the fixing, the user places workpieces to be processed on the top of the block bodies and rotates the rotary disc 704, when the rotary disc 704 rotates, the grooved wheel 702 is connected with the belt 703 to drive the two second screw rods 701 to rotate, so as to drive the second transverse block 504 and the transverse plate 501 to move downwards, so that a large-size pin 503 on the transverse plate 501 is firstly contacted with the upper, the big-head pin 503 at the upper end of the workpiece moves upwards relative to the horizontal plate 501, so that the ball 506 on the big-head pin 503 rolls leftwards or rightwards, after the horizontal plate 501 moves downwards until the second big-head pin 503 contacts the workpiece at the lower end, the ball 506 on the big-head pin 503 rolls towards the direction of other big-head pins 503 not contacting the workpiece until the last big-head pin 503 contacts the workpiece, so that the ball 506 in the second horizontal block 504 cannot move leftwards and rightwards in the slot 505, the second screw 701 stops rotating, and the fixing of the workpieces with different sizes is completed, when maintenance is needed, a user rotates the rotary disc 704, so that the second horizontal block 504 and the horizontal plate 501 move upwards to the highest position, then rotates the handle 603, so that the handle 603 drives the elastic clamping rod 601 to be clamped with the clamping slot block 602, further the horizontal plate 501 can be disconnected with the second horizontal block 504, and then moves the horizontal plate 501 downwards to be taken out from the inner side of the second horizontal block 504, finally, the first and second

dismounting grooves

12 and 13 are directly removed from the second screw 701 for maintenance.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a can fix bench vice of many sizes work piece, includes second crosspiece (504) and is located first crosspiece (1) of second crosspiece (504) lower extreme, second crosspiece (1) lower extreme be equipped with be located fixing device (5) of first crosspiece (1) upper end, characterized by: fixing device (5) are including diaphragm (501), big head pin (503), cell body (505) and ball (506), diaphragm (501) are located second horizontal piece (504) lower extreme, the upper end plane central point of diaphragm (501) puts and runs through big head pin (503) that have a plurality of to turn right from a left side and evenly set up, big head pin (503) outside is equipped with opens movable recess (14) on horizontal piece (501), the bottom processing of second horizontal piece (504) has and is located cell body (505) of big head pin (503) upper end, two rows of ball (506) are installed to the inner wall of cell body (505), the outer wall and big head pin (503) of ball (506) support tightly each other.

2. The vise of claim 1 for holding multiple sizes of workpieces, the vise further comprising: the inner wall of the first transverse block (1) is provided with a placing mechanism (4), the placing mechanism (4) comprises a first screw (401), curved bars (402), V-shaped blocks (403), a rotary disc (404) and a cavity (405) arranged at the center of the inner side of the first transverse block (1), the outer walls of a plurality of first screws (401) penetrate through the bottom of the first transverse block (1) and extend to the inner side of the cavity (405) of the first transverse block (1), the tops of a plurality of first screws (401) are respectively connected with a left curved bar and a right curved bar (402) through pin shafts in a rotating manner, the upper end of the cavity (405) is provided with a plurality of through grooves (3) arranged on the first transverse block (1), the curved bars (402) are respectively arranged on the inner sides of the through grooves (3), the curved bars (402) are in clearance fit with the inner wall of the through grooves (3), and the V-shaped blocks (403) are clamped on the inner sides of the curved bars (402), the bottoms of the V-shaped blocks (403) are attached to the top of the first transverse block (1), the outer wall of the first screw (401) is in threaded connection with a rotating disc (404), and the tops of the rotating discs (404) are attached to the bottom of the first transverse block (1).

3. The vise capable of simultaneously clamping multiple sizes of workpieces as defined in claim 2, further comprising: the curved rod (402), the first screw (401) and the turntable (404) form a propping structure.

4. The vise of claim 1 for holding multiple sizes of workpieces, the vise further comprising: be equipped with on diaphragm (501) upper end plane and be located installation shell (8) of cell body (505) inboard, installation shell (8) all around with cell body (505) inner wall closely laminates, the installation shell (8) lower extreme outside is equipped with fixed connection in location portion (9) on diaphragm (501), open installation shell (8) upper end has place mouth (10).

5. The vise of claim 2 for holding multiple sizes of workpieces, the vise further comprising: first horizontal piece (1) upper end fixedly connected with a plurality of joint is in location arch (11) of V type piece (403) inboard, location arch (11) with big head pin (503) corresponds the setting from top to bottom.

6. The vise of claim 1 for holding multiple sizes of workpieces, the vise further comprising: the left and right sides of diaphragm (501) all is equipped with coupling mechanism (6), coupling mechanism (6) are including elasticity kelly (601), draw-in groove piece (602) and handle (603), control elasticity kelly (601) rotate the left and right sides of connection at diaphragm (501) through the round pin axle respectively, the inboard joint of elasticity kelly (601) has draw-in groove piece (602), draw-in groove piece (602) fixed connection respectively in the left and right sides of second crosspiece (504), two handle (603) have all been processed at the top of elasticity kelly (601).

7. The vise of claim 1 for holding multiple sizes of workpieces, the vise further comprising: the left end and the right end of the first transverse block (1) are provided with first through holes (2), the left end and the right end of the second transverse block (504) are provided with second through holes (502), the inner walls of the left and the right first through holes (2) are provided with adjusting mechanisms (7), each adjusting mechanism (7) comprises a second screw (701), a grooved pulley (702), a belt (703) and a turntable (704), the two second screws (701) are respectively and rotatably connected with the inner wall of the first through hole (2) through bearings, the outer walls of the two second screws (701) are respectively in clearance fit with the inner walls of the two second through holes (502), the two second screws (701) are respectively and rotatably connected with the inner sides of the left and the right ends of the second transverse block (504) and extend out of the top of the second transverse block (504), the top parts of the two second screws (701) are fixedly connected with grooved pulleys (702), and the two grooved pulleys (702) are rotatably connected through the belt (703), the top of the right sheave (702) is fixedly connected with a turntable (704).

8. The vise for holding multiple sizes of workpieces as defined in claim 7, including: the thread directions of the two second screws (701) are consistent.

9. The vise for holding multiple sizes of workpieces as defined in claim 7, including: the front end of the second through hole (502) at the left end is provided with a first dismounting groove (12), and the rear end of the second through hole (502) at the right end is provided with a second dismounting groove (13).