CN218697965U

CN218697965U - Pneumatic connecting rod frock clamp

Info

Publication number: CN218697965U
Application number: CN202222901494.3U
Authority: CN
Inventors: 夏克拉; 夏天长; 樊军
Original assignee: Wenzhou Meila Hardware Co ltd
Current assignee: Wenzhou Meila Hardware Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-03-24
Anticipated expiration: 2032-10-29

Abstract

The utility model discloses a pneumatic connecting rod frock clamp, including supporting seat, the workstation of setting on the supporting seat, the clamping mechanism of setting on the workstation, its characterized in that: clamping mechanism presss from both sides tightly through reciprocating the tapered wedge that sets up in the workstation, the below of workstation is equipped with and is used for driving the tapered wedge to carry out the actuating mechanism of up-and-down motion, the beneficial effects of the utility model reside in that: the telescopic cylinder is arranged to move up and down through the lever assembly to drive the inclined wedge block, so that a workpiece is clamped tightly without hands, the clamping is convenient, the telescopic cylinder can clamp a plurality of groups of clamping mechanisms at a time through the arrangement of the connecting rod, the production efficiency is improved, and the clamping is convenient and fast.

Description

Pneumatic connecting rod frock clamp

Technical Field

The utility model belongs to the technical field of anchor clamps, especially, relate to a pneumatic connecting rod frock clamp.

Background

The jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig, and a device for quickly, conveniently and safely mounting a workpiece in any process in a process can be called a jig in a broad sense.

And traditional anchor clamps need the manual hand wheel of rotating of workman when carrying out the clamping to the stand, and the hand wheel drives the clamp splice that is located the workstation through the cooperation with ball screw and moves, presss from both sides tightly the stand of tool to lock, wastes time and energy, influences production efficiency.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a pneumatic connecting rod frock clamp, includes the supporting seat, sets up workstation, the clamping mechanism of setting on the workstation on the supporting seat, its characterized in that: clamping mechanism presss from both sides tightly through reciprocating the tapered wedge that sets up in the workstation, the below of workstation is equipped with and is used for driving the tapered wedge to carry out the actuating mechanism of up-and-down motion, clamping mechanism slides the preceding movable block and the back movable block that set up both sides around the locating piece including fixed locating piece, the front and back that set up on the workstation, form the double-layered groove between preceding movable block and back movable block and the locating piece, be provided with the work piece in the double-layered groove, the one end of tapered wedge is contradicted with the preceding terminal surface of preceding movable block, the other end of tapered wedge is provided with passive voussoir, passive voussoir is contradicted with the tapered wedge and is connected, the contact surface between passive voussoir and the tapered wedge sets up for the inclined plane, connect through removing the subassembly between preceding movable block and the back movable block.

As a further improvement of the utility model: the movable assembly comprises an optical axis, a through hole is formed in the front movable block, the positioning block and the rear movable block in a penetrating mode, a counter sink corresponding to the through hole is formed in the driven wedge block, a limiting groove is formed in the inclined wedge block in a penetrating mode, the optical axis penetrates through the counter sink and the limiting groove and is arranged in the through hole, a screw head is arranged at one end of the optical axis and is located in the counter sink, one end, extending out of the rear movable block, of the optical axis is arranged in a threaded mode, a nut is spirally arranged on the optical axis, and the nut is abutted to the rear side face of the rear movable block.

As a further improvement of the utility model: be provided with first reset assembly and the second reset assembly that the structure symmetry set up between preceding movable block and back movable block and the locating piece, first reset assembly is including offering standing groove A, the standing groove B and the spring of seting up at the locating piece front end at preceding movable block rear end, standing groove A link up the setting with standing groove B and through-hole, the spring housing is established on the optical axis, the one end and the back movable block fixed connection of spring, the other end and the locating piece fixed connection of spring, the both ends of spring are located standing groove A and standing groove B.

As a further improvement of the utility model: the driving mechanism comprises a telescopic cylinder fixed below the workbench, and the telescopic cylinder drives the inclined wedge block to move up and down through a lever assembly.

As a further improvement of the utility model: the clamping mechanism is at least provided with two groups, a connecting column A and a connecting column B are respectively and fixedly connected below the inclined wedge blocks of the two groups of clamping mechanisms, the connecting column A and the connecting column B are fixedly connected through a connecting rod, one end of the lever assembly is connected with the connecting rod, and the other end of the lever assembly is connected with a piston rod of the telescopic cylinder.

As a further improvement of the utility model: the lever subassembly sets up the rocking arm on the fixing base including fixed fixing base and the lever activity that sets up at the workstation lower extreme, the one end of rocking arm is rotated and is provided with the connecting block, the lower extreme of connecting block and telescopic cylinder's piston rod fixed connection, be connected through coupling assembling between the other end of rocking arm and the connecting rod.

As a further improvement of the utility model: coupling assembling establishes the bearing on the connecting rod including the cover, the inner circle and the connecting rod fixed connection of bearing, the rocking arm has been close to the one end of connecting rod and has been seted up the activity groove, the bearing is located the activity inslot.

The beneficial effects of the utility model reside in that: the telescopic cylinder is arranged to drive the inclined wedge block to move up and down through the lever assembly, a workpiece is clamped without hands, so that the clamping is convenient, the telescopic cylinder can clamp a plurality of groups of clamping mechanisms once through the arrangement of the connecting rod, the production efficiency is improved, and the clamping is convenient and fast.

Drawings

FIG. 1 is a structural diagram of the present invention;

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

FIG. 3 isbase:Sub>A schematic cross-sectional view of A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of B of FIG. 3;

FIG. 5 is a front view of the present invention;

description of reference numerals: 1. the automatic positioning device comprises a supporting seat, a workbench, 3. An inclined wedge block, 4. A positioning block, 5. A front movable block, 6. A rear movable block, 7. A clamping groove, 8. A workpiece, 9. A driven wedge block, 10. An optical axis, 11. A through hole, 12. A counter bore, 13. A limiting groove, 14. A nut, 15. Placing grooves A and 16. Placing grooves B and 17. A spring, 18. A telescopic cylinder, 19. A through groove, 20. Connecting columns A and 21. Connecting columns B and 22. A connecting rod, 23. A fixed seat, 24. A rocker arm, 25. A connecting block, 26. A bearing and 27. A movable groove.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the accompanying drawings.

Referring to fig. 1-5, a pneumatic connecting rod tooling fixture of the present embodiment includes a support base 1, a worktable 2 disposed on the support base 1, and a clamping mechanism disposed on the worktable 2, wherein the clamping mechanism clamps the inclined wedge 3 disposed in the worktable 2 by moving up and down, a driving mechanism for driving the inclined wedge 3 to move up and down is disposed below the worktable 2, the driving mechanism is disposed to drive the inclined wedge 3 to move up and down, thereby clamping the workpiece 8, and thus the clamping mechanism is convenient and fast to clamp, the clamping mechanism includes a positioning block 4 fixedly disposed on the worktable 2, a front movable block 5 and a rear movable block 6 slidably disposed at front and rear sides of the positioning block 4, a clamping groove 7 is formed between the front movable block 5 and the rear movable block 6 and the positioning block 4, the workpiece 8 is disposed in the clamping groove 7, one end of the inclined wedge 3 abuts against a front end face of the front movable block 5, the other end of the inclined wedge 3 is disposed with a passive wedge 9, the passive wedge 9 is connected with the inclined wedge 3, a contact surface between the passive wedge 9 and the inclined wedge 3 is disposed with a connecting rod 24, a connecting rod assembly is disposed between the movable connecting rod 5 and a rocker arm 24, and a connecting rod assembly is disposed at a connecting rod 24, and a cylinder 22 is disposed at two ends of the rocker arm 24, and a connecting rod assembly, when the movable connecting rod assembly is disposed in the movable connecting rod assembly 22, the movable connecting rod assembly 22 is disposed in the clamping groove 4, and the clamping groove 4, the rocker arm 24, the connecting column A20 and the connecting column B21 are fixedly connected with the inclined wedge block 3, when the telescopic cylinder 18 is started, the piston rod moves upwards to drive the connecting block 25 to move upwards, the connecting block 25 drives one end of the rocker arm 24 to move upwards, the rocker arm 24 is movably arranged on the fixed seat 23 in a lever mode, when the connecting block at one end of the rocker arm moves upwards, the other end of the rocker arm 24 moves downwards through a lever effect, the connecting rod 22 can be driven to move downwards, the connecting rod 22 drives the inclined wedge block 3 to move downwards through the connecting column A20 and the connecting column B21, the inclined wedge block 3 is arranged between the driven wedge block 9 and the front movable block 5 in an up-and-down sliding mode, a contact surface between the inclined wedge block 3 and the driven wedge block 9 is arranged in an inclined plane mode, when the inclined wedge block 3 moves downwards, the driven wedge block 9 is driven to move forwards through an inclined plane transition mode, and the driven wedge block 9, the front movable block 5, the positioning block 4 and the rear movable block 6 are all provided with through holes 11, an optical axis 10 is arranged in the through hole 11, a counter bore 12 communicated with the through hole 11 is formed in the front side of the driven wedge block 9, a screw head is arranged on the optical axis 10 and is positioned in the counter bore 12 and is abutted against the counter bore 12, a nut 14 is arranged at the other end of the optical axis 10 in a threaded manner and is spirally arranged, the nut 14 is abutted against the rear movable block 6, so that when the inclined wedge block 3 moves downwards and drives the driven wedge block 9 to move forwards through inclined surface transition, the driven wedge block 9 drives the optical axis 10 to move forwards through driving the screw head, the optical axis 10 drives the rear movable block 6 to move towards the positioning block 4 through abutting against the rear movable block 6 through the nut 14, the workpiece 8 positioned between the rear movable block 6 and the positioning block 4 is clamped, and after the workpiece 8 positioned between the rear movable block 6 and the positioning block 4 is clamped, the position of the rear movable block 6 is fixed, also make passive voussoir 9 can't continue to move forward, voussoir 3 continues down this moment, because passive voussoir 9 can't continue to move forward, voussoir 3 will be owing to with the inclined plane transition between the passive voussoir 9 and backward movement, because the other end of voussoir 3 contradicts with preceding movable block 5, so can promote preceding movable block 5 and move towards locating piece 4 when voussoir 3 moves backward, then press from both sides tight the work piece 8 between preceding movable block 5 and the locating piece 4, can accomplish the clamp of work piece 8, the utility model discloses mainly used presss from both sides tightly the work piece, the work piece is the stand, the stand sets up in the clamp groove, the clamp groove is the V type setting, can drive preceding activity and back movable block when telescopic cylinder starts and move, thereby press from both sides the stand of equidimension not tight, make anchor clamps can compensate according to the size of work piece, set up telescopic cylinder 18 and driven voussoir 3 through the lever subassembly and carry out the up and down motion, press from both sides tightly work piece 8, it is tight to press from both sides tightly without the staff, make it convenient to press from both sides tightly, and make the setting up of connecting rod 22, can make the multiunit clamping mechanism once press from both sides tight swift to make.

The utility model discloses a further set up to: the movable assembly comprises an optical axis 10, a through hole 11 is formed in each of the front movable block 5, the positioning block 4 and the rear movable block 6 in a penetrating mode, a counter bore 12 corresponding to the through hole 11 is formed in the driven wedge block 9, a limiting groove 13 is formed in the wedge block 3 in a penetrating mode, the limiting groove 13 is formed in the wedge block 3, the wedge block 3 is movably arranged on the optical axis 10 from top to bottom through the limiting groove 13, the up-and-down movement stroke of the wedge block 3 is limited, the wedge block 3 cannot be separated from the driven wedge block 9 and the front movable block 5 due to stroke overtravel, movement of the wedge block 3 is facilitated, the optical axis 10 penetrates through the counter bore 12 and the limiting groove 13 and is arranged in the through hole 11, one end of the optical axis 10 is provided with a screw head, the screw head is located in the counter bore 12, one end of the optical axis 10, extending out of the rear movable block 6 is provided with a screw nut 14, the nut 14 is arranged on the optical axis 10 and collides with the rear side face of the rear movable block 6, and the optical axis 10 is abutted against the optical axis 10, and the other end of the movable block 6 is provided with the nut 14, and the driven wedge block, and the movable block can be conveniently mounted when the driven wedge block is moved.

The utility model discloses a further set up to: preceding movable block 5 and back movable block 6 and locating piece 4 between be provided with first reset assembly and the second reset assembly that the structure symmetry set up, first reset assembly is including offering standing groove A15, the standing groove B16 and the spring 17 of seting up at the 4 front ends of locating piece at the 5 rear ends of preceding movable block, standing groove A15 and standing groove B16 and through-hole 11 link up the setting, the spring 17 cover is established on optical axis 10, the one end and the 6 fixed connection of back movable block of spring 17, the other end and the 4 fixed connection of locating piece of spring 17, the both ends of spring 17 are located standing groove A15 and standing groove B16, and through having set up reset assembly, owing to press from both sides tight back spring 17 and can be compressed for when telescopic cylinder activity drives oblique voussoir 3 and upwards remove, preceding movable block 5 and back movable block 6 can reset through the resilience force of spring 17, make and loosen work piece 8 convenient and fast, made things convenient for taking of work piece 8.

The utility model discloses a further set up to: actuating mechanism is including fixing telescopic cylinder 18 in workstation 2 below, telescopic cylinder 18 reciprocates through lever subassembly drive tapered wedge 3, presss from both sides tightly through having set up telescopic cylinder 18 drive clamping mechanism, has replaced manually, has avoided adopting manual loaded down with trivial details operation when pressing from both sides tight work piece 8 for press from both sides tight convenient and fast.

The utility model discloses a further set up to: run through on the workstation 2 and seted up logical groove 19, the activity sets up in logical groove 19 from top to bottom to tapered wedge 3, clamping mechanism is provided with two sets at least, and is two sets of clamping mechanism's tapered wedge 3 below is fixedly connected with spliced pole A20 and spliced pole B21 respectively, through connecting rod 22 fixed connection between spliced pole A20 and the spliced pole B21, the one end and the connecting rod 22 of lever subassembly are connected, the other end and the piston rod of telescopic cylinder 18 of lever subassembly are connected, through having set up spliced pole A20 and spliced pole B21, spliced pole A20 is connected through connecting rod 22 with spliced pole B21 for when needs press from both sides tightly, thereby can once only press from both sides tight multiunit clamping mechanism through the setting of spliced pole A20, spliced pole B21 and connecting rod 22, improved production efficiency.

The utility model discloses a further set up to: the lever subassembly sets up rocking arm 24 on fixing base 23 including fixed fixing base 23 and the lever activity that sets up at 2 lower extremes of workstation, the one end of rocking arm 24 is rotated and is provided with connecting block 25, the lower extreme of connecting block 25 and telescopic cylinder 18's piston rod fixed connection, be connected through coupling assembling between the other end of rocking arm 24 and the connecting rod 22, through having set up the lever subassembly for telescopic cylinder when starting, thereby can drive connecting rod 22 and remove downwards through being connected between rocking arm 24 and connecting block 25 and rocking arm 24 and the connecting rod 22, conveniently drives and drives spliced pole A20, spliced pole B21 through connecting rod 22, thereby drives 3 downstream of tapered wedge, has made things convenient for the clamp of work piece 8 to press from both sides tightly.

The utility model discloses a further set up to: coupling assembling establishes bearing 26 on connecting rod 22 including the cover, bearing 26's inner circle and connecting rod 22 fixed connection, rocking arm 24 has seted up movable groove 27 near the one end of connecting rod 22, bearing 26 is located movable groove 27, sets up through bearing 26 and movable groove 27's cooperation for connecting rod 22 can pass through bearing 26 at the 27 internal rotation displacements in movable groove when reciprocating, makes reciprocating of connecting rod 22 more smooth, conveniently passes through spliced pole A20, spliced pole B21 drives tapered wedge 3 and reciprocates, has improved life, has made things convenient for lever assembly's use.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description is within the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic connecting rod frock clamp, includes supporting seat (1), workstation (2) of setting on supporting seat (1), the clamping mechanism of setting on workstation (2), its characterized in that: clamping mechanism presss from both sides tightly through reciprocating the tapered wedge (3) that set up in workstation (2), the below of workstation (2) is equipped with and is used for driving tapered wedge (3) to carry out the actuating mechanism of up-and-down motion, clamping mechanism slides preceding movable block (5) and back movable block (6) that set up both sides around locating piece (4) including fixed locating piece (4) that set up on workstation (2), front and back, form between preceding movable block (5) and back movable block (6) and locating piece (4) and press from both sides groove (7), be provided with work piece (8) in pressing from both sides groove (7), the one end of tapered wedge (3) is contradicted with the preceding terminal surface of preceding movable block (5), the other end of tapered wedge (3) is provided with passive voussoir (9), passive voussoir (9) are connected with tapered wedge (3), the contact surface between passive voussoir (9) and tapered wedge (3) is contradicted and is set up for the inclined plane, connect through removing the subassembly between preceding movable block (5) and back movable block (6).

2. The pneumatic connecting rod tooling clamp of claim 1, wherein: the movable assembly includes optical axis (10), all run through on preceding movable block (5), locating piece (4) and the back movable block (6) and seted up through-hole (11), set up counter bore (12) that correspond with through-hole (11) on passive voussoir (9), run through on tapered wedge (3) and seted up spacing groove (13), optical axis (10) pass counter bore (12) and spacing groove (13) and set up in through-hole (11), the one end of optical axis (10) has the spiral shell head, the spiral shell head is located counter bore (12), the one end of stretching out back movable block (6) of optical axis (10) is the screw thread setting, the spiral is provided with nut (14) on optical axis (10), nut (14) are contradicted with the trailing flank of back movable block (6).

3. The pneumatic connecting rod tooling clamp of claim 2, wherein: preceding movable block (5) and back movable block (6) and locating piece (4) between be provided with first reset assembly and the second reset assembly that the structure symmetry set up, first reset assembly is including offering standing groove A (15), the standing groove B (16) and the spring (17) of seting up at locating piece (4) front end at preceding movable block (5) rear end, standing groove A (15) link up the setting with standing groove B (16) and through-hole (11), spring (17) cover is established on optical axis (10), the one end and the back movable block (6) fixed connection of spring (17), the other end and locating piece (4) fixed connection of spring (17), the both ends of spring (17) are located standing groove A (15) and standing groove B (16).

4. The pneumatic connecting rod tooling clamp of claim 3, wherein: the driving mechanism comprises a telescopic cylinder (18) fixed below the workbench (2), and the telescopic cylinder (18) drives the inclined wedge block (3) to move up and down through a lever assembly.

5. The pneumatic connecting rod tooling clamp of claim 4, wherein: run through on workstation (2) and seted up logical groove (19), the activity sets up in logical groove (19) about voussoir (3), clamping mechanism is provided with two sets at least, two sets of clamping mechanism's voussoir (3) below difference fixedly connected with spliced pole A (20) and spliced pole B (21), through connecting rod (22) fixed connection between spliced pole A (20) and spliced pole B (21), the one end and the connecting rod (22) of lever subassembly are connected, the other end and the piston rod of telescopic cylinder (18) of lever subassembly are connected.

6. The pneumatic connecting rod tooling clamp of claim 5, wherein: the lever assembly comprises a fixed seat (23) fixedly arranged at the lower end of the workbench (2) and a rocker arm (24) movably arranged on the fixed seat (23), a connecting block (25) is arranged at one end of the rocker arm (24) in a rotating mode, the lower end of the connecting block (25) is fixedly connected with a piston rod of the telescopic cylinder (18), and the other end of the rocker arm (24) is connected with the connecting rod (22) through a connecting assembly.

7. The pneumatic connecting rod tooling clamp of claim 6, wherein: coupling assembling establishes bearing (26) on connecting rod (22) including the cover, the inner circle and connecting rod (22) fixed connection of bearing (26), movable groove (27) have been seted up to rocker arm (24) one end that is close to connecting rod (22), bearing (26) are located movable groove (27).