CN219005831U

CN219005831U - Clamp with adjustable accurate positioning's hardware

Info

Publication number: CN219005831U
Application number: CN202223599069.XU
Authority: CN
Inventors: 胡乔生
Original assignee: Shenzhen Jinjiali Electromechanical Co ltd
Current assignee: Shenzhen Jinjiali Electromechanical Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-12
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an adjustable fixture for precisely positioned hardware, which relates to the field of hardware processing equipment, and aims to solve the technical problem that the existing fixture with fixed size is inconvenient to adjust for hardware with different sizes.

Description

Clamp with adjustable accurate positioning's hardware

Technical Field

The utility model belongs to the field of hardware processing equipment, and particularly relates to an adjustable fixture for precisely positioned hardware.

Background

The existing hardware parts can be fixed on a workbench surface through the clamp in the machining process, machining failure caused by movement in the machining process is prevented, but the size of the existing clamp is fixed in design, the clamping fixing surfaces of hardware and hardware with different sizes are the same, and when the large-sized workpiece is clamped, the hardware is easily clamped unstable due to the fact that the clamping stress surface is too narrow.

The prior Chinese patent with publication number of CN217668077U discloses a hardware clamp convenient to adjust, which comprises an adjusting clamping block, a magnetic clamping block and a metal plate, wherein the adjusting clamping block and the magnetic clamping block are respectively positioned at the left side and the right side of the upper end of the metal plate, and the lower end of the magnetic clamping block is adsorbed with the metal plate through a magnetic block; the adjusting clamping block comprises a fixed block and a movable block, the movable block is arranged on one side of the fixed block facing the magnetic clamping block, the movable block is connected with the fixed block through an adjusting component, and the lower end of the movable block is propped against the surface of the metal plate through an elastic piece; the adjacent ends of the fixed block and the movable block are obliquely arranged, and the distance between the movable block and the magnetic clamping block can be changed by considering that the adsorption position of the magnetic clamping block is adjusted, so that hardware workpieces with different sizes can be clamped.

Therefore, the clamp with the fixed size is inconvenient to adjust hardware with different sizes, a novel clamp is developed, the telescopic clamp structure is utilized, the hardware with different sizes can be freely adjusted, the size of the clamping stress surface is changed, and the clamping stability of the hardware is improved.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an adjustable clamp for hardware products, which is accurately positioned, and aims to solve the technical problem that the existing clamp with fixed size is inconvenient to adjust for hardware products with different sizes.

(2) Technical proposal

In order to solve the technical problems, the utility model provides an accurate positioning hardware adjustable clamp, which comprises a workbench, a positioning cross beam and a clamping cross beam, wherein the positioning cross beam is symmetrically arranged on the upper side of the workbench, the clamping cross beam is arranged on one opposite side of the positioning cross beam, a through extending groove is formed in one opposite end of the positioning cross beam along the axial direction, two groups of clamping cross beams are symmetrically arranged in the extending groove in front-back mode, end plates are symmetrically connected to one end of the positioning cross beam back to the front side, a first gear and a second gear are arranged between the end plates, and the first gear is arranged at the upper end of the second gear through a bearing structure.

When the clamp for the hardware adjustable type accurate positioning is used, a user places the hardware fitting on a workbench, enables the smooth edge of the clamp to face one side of a positioning beam, then rotates a gear on two sides and a gear on two sides by hand according to the size of the hardware fitting, enables the rack on two sides to move reversely in a meshing connection mode, drives the clamping beam to extend from the front end and the rear end in an extending groove, lengthens the length of the whole clamp, enables the clamping beam to be stable in the moving process through the clamping of the limiting sliding rail and the limiting groove, then starts an oil cylinder, drives the positioning beam and the clamping beam to move in the opposite direction to be close to the hardware fitting in the middle through a horizontal telescopic hydraulic shaft rod until the left end and the right end of the positioning beam are clamped, and then starts processing equipment to process a workpiece.

Further, the clamping cross beam is opposite to one end of the extending groove and is fixedly provided with a first rack, the other clamping cross beam on the inner side of the extending groove is fixedly provided with a second rack, the first rack is arranged on the upper side of the second rack, the first gear is in meshed connection with the first rack, the second gear is in meshed connection with the second rack, the first gear is rotated, the first rack is driven to horizontally slide through staggered clamping teeth, the second gear is rotated, and the second rack is driven to horizontally slide through staggered clamping teeth.

Further, the left side and the right side of the upper end of the workbench are respectively provided with an oil cylinder which runs oppositely, the positioning cross beam is arranged at the top end of a hydraulic actuating element of the oil cylinder, and the oil cylinder controls the positioning cross beam to move oppositely or reversely in a horizontal telescopic hydraulic shaft rod mode so as to clamp and lock the left end and the right end of hardware fittings with different sizes.

Further, two sets of guide slots have been seted up to the parallel around the workstation upper end, location crossbeam lower extreme fixedly connected with guide block, the guide block set up in the guide slot is inboard, and the location crossbeam utilizes the joint of guide block and guide slot of bottom at the in-process of horizontal migration, plays the effect of stable direction of movement.

Further, the limit sliding rail with the semicircular section is symmetrically arranged at the upper end and the lower end of the inner wall of the extension groove, the limit groove with the semicircular section is symmetrically arranged at the upper end and the lower end of the clamping beam, the limit sliding rail is arranged at the inner side of the limit groove, the limit sliding rail is clamped with the limit groove, the clamping beam is limited to horizontally deviate from the extension groove, the arc contact surface of the limit sliding rail and the limit groove has small friction force, and the clamping beam moves smoothly.

Further, the clamping cross beam faces to one end of the outer side of the extension groove, a through hole communicated with the extension groove is formed in one end of the positioning cross beam, the edge of the first gear and the edge of the second gear are arranged on the inner side of the through hole, the first gear and the second gear are respectively contacted with the first rack and the second rack through the through holes, the anti-slip pad is made of rubber materials, and anti-slip structural textures are arranged on the surface of the anti-slip cross beam.

Further, the clamping connector is arranged on the inner side of the end piece, the upper end of the first gear and the lower end of the second gear are fixedly connected with the clamping connector, the clamping connector is movably connected to the inner side of the clamping connector, the first gear and the second gear are horizontally rotated by taking the clamping connector as an axis, and the first gear and the second gear are connected through a bearing structure, can be separated and run, and are not influenced by each other.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the hardware adjustable clamp with accurate positioning adopts the positioning cross beam assembled with the clamping cross beam, and the positioning cross beam and the clamping cross beam are combined for use, so that the whole length of the clamp can be adjusted in different hardware clamping operations, the size of a clamping stress surface of the clamp is changed, and the clamping stability is improved; the adjustment of the clamping beam is controlled through the meshing connection between the gear and the rack, so that the clamping beam is flexible and convenient to use, simple to operate and good in working stability.

Drawings

FIG. 1 is a schematic diagram of an assembly structure of an embodiment of an adjustable fixture for precisely positioning hardware;

FIG. 2 is a schematic diagram of another state assembly structure of an embodiment of an adjustable fixture for precisely positioning hardware according to the present utility model;

FIG. 3 is a schematic view of a positioning beam structure of an embodiment of an adjustable fixture for precisely positioning hardware;

fig. 4 is a schematic diagram of a clamping beam structure of an embodiment of a precisely positioned hardware adjustable clamp of the present utility model.

The marks in the drawings are: 1. a work table; 2. positioning a cross beam; 3. an extension groove; 4. end pieces; 5. a first gear; 6. a second gear; 7. clamping the cross beam; 8. a first rack; 9. a second rack; 10. an oil cylinder; 11. a guide groove; 12. a guide block; 13. a limit sliding rail; 14. a limit groove; 15. an anti-slip pad; 16. a through port; 17. a card interface; 18. and a clamping joint.

Detailed Description

The embodiment is a hardware adjustable clamp for accurate positioning, the assembly structure diagram of the clamp is shown in fig. 1, the assembly structure diagram of the clamp is shown in fig. 2, the structure diagram of a positioning cross beam 2 is shown in fig. 3, the structure diagram of a clamping cross beam 7 is shown in fig. 4, the adjustable clamp comprises a workbench 1, a positioning cross beam 2 symmetrically arranged on the upper side of the workbench 1, and a clamping cross beam 7 arranged on one opposite side of the positioning cross beam 2, a through extending groove 3 is formed in the opposite end of the positioning cross beam 2 along the axial direction, the clamping cross beam 7 is arranged in two groups in the extending groove 3 in a front-back symmetrical manner, end pieces 4 are symmetrically connected to the opposite end of the positioning cross beam 2 up-down, a first gear 5 and a second gear 6 are arranged between the end pieces 4, and the first gear 5 is arranged on the upper end of the second gear 6 through a bearing structure.

For this embodiment, the width of the clamping beam 7 is adapted to the width of the extension groove 3, and the clamping beam 7 and the side surface of the positioning beam 2 are on the same plane, and when the workpiece is clamped, the positioning beam 2 and the clamping beam 7 are simultaneously in contact with the surface of the hardware fitting.

Wherein, a first rack 8 is fixedly arranged at one end of the clamping cross beam 7 facing the extending groove 3, a second rack 9 is fixedly arranged at the other clamping cross beam 7 at the inner side of the extending groove 3, the first rack 8 is arranged at the upper side of the second rack 9, the first gear 5 is meshed with the first rack 8, the second gear 6 is meshed with the second rack 9, a non-slip mat 15 is arranged at one end of the clamping cross beam 7 facing the outer side of the extending groove 3, a through hole 16 communicated with the extending groove 3 is arranged at one end of the positioning cross beam 2 facing away from the extending groove 3, the edges of the first gear 5 and the second gear 6 are arranged at the inner side of the through hole 16, a clamping interface 17 is arranged at the inner side of the end piece 4, the upper end of the first gear 5 and the lower end of the second gear 6 are fixedly connected with a clamping connector 18, the clamping connector 18 is movably connected to the inner side of the clamping connector 17, the first gear 5 is rotated, the first rack 8 is driven to horizontally slide by staggered clamping teeth, the second gear 6 is rotated, the second rack 9 is driven to horizontally slide by staggered clamping teeth, the first gear 5 and the second gear 6 are respectively contacted with the first rack 8 and the second rack 9 through the through holes 16, the anti-slip pad 15 is made of rubber materials, anti-slip structural textures are arranged on the surfaces of the anti-slip structural textures, the first gear 5 and the second gear 6 are horizontally rotated by taking the clamping connector 18 as an axis, and the anti-slip structural textures are connected through bearing structures, so that the anti-slip structural textures can be separated and run without affecting each other.

Meanwhile, the left side and the right side of the upper end of the workbench 1 are respectively provided with an oil cylinder 10 which runs oppositely, the positioning cross beam 2 is arranged at the top end of a hydraulic actuating element of the oil cylinder 10, two groups of guide grooves 11 are formed in parallel in front of and behind the upper end of the workbench 1, the lower end of the positioning cross beam 2 is fixedly connected with a guide block 12, the guide block 12 is arranged on the inner side of the guide groove 11, the oil cylinder 10 controls the positioning cross beam 2 to move oppositely or reversely in a horizontal telescopic hydraulic shaft rod mode, the left end and the right end of hardware fittings with different sizes are clamped and locked, and the positioning cross beam 2 is clamped and connected with the guide groove 11 by the guide block 12 at the bottom end in the horizontal moving process to play a role in stabilizing the moving direction.

In addition, the limit slide rail 13 of semi-circular cross section is installed to both ends symmetry about the extension groove 3 inner wall, the limit groove 14 of semi-circular cross section has been seted up to both ends symmetry about the centre gripping crossbeam 7, limit slide rail 13 set up in limit groove 14 inboard, limit slide rail 13 and the mutual joint of limit groove 14, limit centre gripping crossbeam 7 level deviate from extension groove 3, and limit slide rail 13 and limit groove 14's arc contact surface, frictional force is less, and centre gripping crossbeam 7 removes comparatively smoothly.

When the clamp for precisely positioning hardware products is used, a user places the hardware fittings on the workbench 1, enables the flat edges of the hardware fittings to face one side of the positioning cross beam 2, then rotates the first gear 5 and the second gear 6 on two sides by hand according to the size of the hardware fittings, enables the first gear 8 and the second gear 9 to reversely move in a meshing connection mode, drives the clamping cross beam 7 to extend out of the front end and the rear end of the extending groove 3, lengthens the length of the whole clamp, enables the clamping cross beam 7 to be stably held in the moving process through the clamping connection of the limiting slide rail 13 and the limiting groove 14, then starts the oil cylinder 10, drives the positioning cross beam 2 and the clamping cross beam 7 to move in a direction close to the middle hardware fittings until the left end and the right end of the hardware fittings are clamped in a horizontal telescopic hydraulic shaft rod mode, and then starts processing equipment to process workpieces.

Claims

1. The adjustable clamp comprises a workbench, positioning beams symmetrically arranged on the upper side of the workbench, and clamping beams arranged on one opposite side of the positioning beams; the clamping beam is characterized in that a through extending groove is formed in the opposite end of the positioning beam along the axial direction, two groups of clamping beams are arranged in the extending groove in a front-back symmetrical mode, end pieces are connected to the opposite end of the positioning beam in an up-down symmetrical mode, a first gear and a second gear are arranged between the end pieces, and the first gear is installed at the upper end of the second gear through a bearing structure.

2. The precisely positioned hardware adjustable clamp according to claim 1, wherein a first rack is fixedly installed at one end of the clamping beam facing the extending groove, a second rack is fixedly installed at the other clamping beam inside the extending groove, the first rack is arranged on the upper side of the second rack, the first gear is in meshed connection with the first rack, and the second gear is in meshed connection with the second rack.

3. The fixture for accurately positioning hardware adjustable according to claim 1, wherein the left side and the right side of the upper end of the workbench are provided with oil cylinders running oppositely, and the positioning cross beam is arranged at the top end of a hydraulic actuating element of the oil cylinder.

4. The fixture for precisely positioning hardware adjustable according to claim 1, wherein two groups of guide grooves are formed in front and back parallel at the upper end of the workbench, a guide block is fixedly connected to the lower end of the positioning cross beam, and the guide block is arranged on the inner side of the guide groove.

5. The precisely positioned hardware adjustable clamp according to claim 1, wherein limiting slide rails with semicircular cross sections are symmetrically arranged at the upper end and the lower end of the inner wall of the extension groove, limiting grooves with semicircular cross sections are symmetrically arranged at the upper end and the lower end of the clamping cross beam, and the limiting slide rails are arranged at the inner sides of the limiting grooves.

6. The precisely positioned hardware adjustable clamp according to claim 1, wherein an anti-slip pad is arranged at one end of the clamping beam, which faces the outer side of the extension groove, a through hole communicated with the extension groove is formed at one back end of the positioning beam, and the edges of the first gear and the second gear are arranged on the inner side of the through hole.

7. The precisely positioned hardware adjustable clamp according to claim 1, wherein a clamping port is formed in the inner side of the end piece, clamping connectors are fixedly connected to the upper end of the first gear and the lower end of the second gear, and the clamping connectors are movably connected to the inner side of the clamping port.