CN210122374U

CN210122374U - Expansion type positioning clamping handle structure

Info

Publication number: CN210122374U
Application number: CN201920596324.4U
Authority: CN
Inventors: 赵锷
Original assignee: Tianjin Xinxiyuan Technology Co ltd
Current assignee: Tianjin Xinxiyuan Technology Co ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-03-03
Anticipated expiration: 2029-04-28

Abstract

The utility model provides a prop bloated formula location tong structure, including the main structure, two sets of side clamping structure and the connection bottom plate that expands that props, the main structure that expands is fixed to be set up in connecting the bottom plate center, and two sets of side clamping structure symmetries are fixed in and are connected the bottom plate both ends, and the main structure that expands that props includes that the main cylinder that pushes away and the subassembly that expands that props, the subassembly that props is fixed in the main cylinder top that pushes away, and the main piston rod that pushes away the cylinder slides and wears to locate in the. The utility model discloses a main outer kicking block that pushes away the cylinder and will fix at the piston rod tip pushes away the expansion block of multiunit stay simultaneously to the outside and stretches to carry out spacing joint to the circular inner wall of work piece, can guarantee the location to the work piece from this, can prevent that the displacement from appearing in the arm handling work piece and leading to placing the unsafe condition in later fix a position, then fix the work piece through two sets of side fixture, prevent to deviate from in the transport, the utility model discloses can replace original artifical transport, can improve the precision that work efficiency and transport were put, make things convenient for the processing of the station of epilogue.

Description

Expansion type positioning clamping handle structure

Technical Field

The utility model relates to a work piece presss from both sides dress equipment field, especially relates to a prop bloated formula location tong structure.

Background

Industrial automation is a trend of widely adopting automatic control and automatic adjustment devices in industrial production to replace manual operation machines and machine systems for processing production. With the advance of industrial automation, more and more work on multiple stations in modern factories is being replaced by manual steering by automatically controllable mechanical equipment. However, some workpieces have special and complicated shapes, and are inconvenient for mechanical equipment to clamp and carry. For example, in the processing production of automobiles, the conversion of some workpieces with special shapes and structures among processing stations needs manual operation due to the lack of special fixtures, and the manual carrying mode has low efficiency, is difficult to control and has large positioning error when the workpieces are placed, so that the subsequent processing of the workpieces is inconvenient.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide a can replace manpower centre gripping transport and can guarantee to put the bloated formula location tong structure of propping of precision.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a prop bloated formula location tong structure, wherein, one kind props bloated formula location tong structure includes main bloated structure, two sets of side clamping structure and the connecting bottom plate that props, main bloated fixed setting in connecting bottom plate center of structure that props is two sets of side clamping structure symmetry is fixed in and connects the bottom plate both ends, main bloated structure that props includes that the owner pushes away the cylinder and props the subassembly that expands, prop the subassembly that expands and fix and set up in the main cylinder top that pushes away, the main piston rod that pushes away the cylinder slides and wears to locate in propping the subassembly that expands.

Further, prop the subassembly that expands and include lower extreme cover, multiunit and prop bloated piece and go up the gland, go up the gland and all seted up multiunit sliding tray on the lower extreme cover, the multiunit prop the bloated piece and slide and set up between last gland and lower extreme cover, go up the gland and fix and set up on the lower extreme cover.

Furthermore, a plurality of groups of limiting pins are uniformly distributed and fixed on the lower surface of the upper gland.

Further, the end of the piston rod of the main pushing cylinder is fixed with an outer supporting block, the upper end of the outer supporting block is of a trapezoidal table-shaped structure, and a step hole is formed in the outer supporting block in a penetrating mode.

Furthermore, a plurality of groups of the supporting and expanding blocks are arranged to be of a convex structure, one side end face of each supporting and expanding block is arranged to be of an inclined plane structure, and the inclined plane structure is in sliding contact with the trapezoid table-shaped structure of the outer supporting block.

Furthermore, the upper ends of the multiple groups of the supporting and expanding blocks are provided with limit grooves, and the multiple groups of limit pins are matched with each other to slide in the limit grooves.

Further, two sets of side centre gripping structure includes clamping components, locating pin, mounting panel and fixed axle, clamping components fixes and sets up in mounting panel one side, the locating pin wears to locate on the mounting panel, and this locating pin fixed set up on connecting the bottom plate, fixed axle fixed connection is between mounting panel and connecting the bottom plate.

Further, clamping component includes telescopic cylinder, compresses tightly finger and articulated connecting rod, telescopic cylinder's top integrated into one piece has the connecting block, compress tightly finger one end and articulate in telescopic cylinder's tailpiece of the piston rod portion, articulated connecting rod is articulated to be connected in the connecting block and compress tightly on the finger.

Further, the pressing end of the pressing finger is set to be an inclined pressing end.

Further, a mounting groove is formed in the sliding groove of the lower end cover, a reset block is integrally formed at the bottom of the expansion block, and a reset spring is connected and arranged between the reset block and one side wall of the mounting groove.

The utility model has the advantages and positive effects that: the utility model discloses a set up the main bloated structure of propping and fix a position the work piece, will fix the multiunit through the main cylinder that pushes away and prop the bloated piece and stretch out to the outside simultaneously when pushing away at the outer bolster of piston rod tip to carry out spacing joint to the circular inner wall of work piece, can guarantee the location to the work piece from this, can prevent to appear the displacement at the arm handling in the work piece and lead to placing the unsafe condition in location after the next station, then fix the work piece through two sets of side fixture, prevent to deviate from in the transport, the utility model discloses can replace original artifical transport, can improve the precision that work efficiency and transport were put, make things convenient for the processing of the station of epilogue.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is an exploded view of the primary dilation structure.

Fig. 3 is a general structural schematic diagram of the lower end cap.

Fig. 4 is a general structural schematic diagram of the expansion block.

Fig. 5 is a schematic view of the usage state of the present invention.

In the figure: the main expanding structure 1, the upper gland 10, the limiting pin 11, the expanding block 12, the reset block 121, the outer supporting block 13, the lower end cover 14, the mounting groove 141, the reset spring 142, the sliding groove 143, the main push cylinder 15, the stepped hole 16, the limiting groove 17, the telescopic cylinder 20, the pressing finger 21, the hinged connecting rod 22, the connecting block 23, the positioning pin 24, the mounting plate 25, the fixed shaft 26, the connecting base plate 3 and the workpiece 4.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

As shown in fig. 1 to 5, a prop bloated formula location tong structure, including main structure 1 that expands, two sets of side clamping structure and the connecting bottom plate 3 that expands, main structure 1 that expands sets up in connecting bottom plate 3 center through the fix with screw, and two sets of side clamping structure are fixed in connecting bottom plate 3 both ends through the screw symmetry, and main structure 1 that expands includes that main push cylinder 15 pushes away with prop the subassembly that expands, props the subassembly that expands and sets up in main push cylinder 15 top, and main push cylinder 15's piston rod slides and wears to locate in propping the subassembly that expands. The main supporting and expanding structure 1 is used for positioning the workpiece 4 during conveying, and the two groups of side clamping structures are used for clamping the workpiece 4.

The expansion assembly comprises a lower end cover 14, a plurality of groups of expansion blocks 12 and an upper gland 10, a plurality of groups of sliding grooves 143 are formed in the upper gland 10 and the lower end cover 14, the plurality of groups of expansion blocks 12 are arranged between the upper gland 10 and the lower end cover 14 in a sliding mode, and the upper gland 10 is fixed on the lower end cover 14 through screws. The plurality of sets of sliding grooves 143 are used for placing the expansion blocks 12.

A plurality of groups of limiting pins 11 are uniformly distributed and fixed on the lower surface of the upper gland 10 through screws. The limit pin 11 is matched with the limit groove 17 formed at the upper end of the expansion block 12 to prevent the expansion block 12 from being separated from the sliding groove 143 when extending outwards.

An outer supporting block 13 is fixed at the end part of a piston rod of the main push cylinder 15 through a screw, the upper end of the outer supporting block 13 is of a trapezoidal table-shaped structure, and a step hole 16 is formed in the outer supporting block 13 in a penetrating mode. The stepped hole 16 is used for installing a screw, the outer supporting block 13 and the piston rod are connected together through the screw, the trapezoidal platform-shaped structure and the end face of one side of the expanding block 12 are set to be an inclined plane structure, and the inclined plane structure is in sliding contact with the trapezoidal platform-shaped structure of the outer supporting block 13. When the piston rod drives the outer supporting block 13 to extend out, the inclined plane structure and the trapezoid table-shaped structure are matched to realize the transverse pushing of the supporting expansion block 12.

Two sets of side clamping structure include clamping component, locating pin 24, mounting panel 25 and fixed axle 26, and clamping component passes through fix with screw in mounting panel 25 one side, and on locating pin 24 wore to locate mounting panel 25, and this locating pin 24 passes through fix with screw on connecting bottom plate 3, and fixed axle 26 passes through fix with screw between mounting panel 25 and connecting bottom plate 3. The positioning pin 24 again secures the position of the workpiece 4 by cooperating with a hole slot provided in the workpiece 4 and at the same time cooperates with the clamping assembly to effect clamping of the workpiece 4.

Clamping assembly includes telescopic cylinder 20, compresses tightly finger 21 and articulated connecting rod 22, and telescopic cylinder 20's top integrated into one piece has connecting block 23, compresses tightly finger 21 one end and articulates in telescopic cylinder 20's piston rod tip, and articulated connecting rod 22 articulates and connects on connecting block 23 and compress tightly finger 21. After the piston rod of the telescopic cylinder 20 is extended, the pressing finger 21 rotates around the hinge shaft at one end of the hinge link 22 and moves along with the rotation of the hinge link 22 to finally press against the surface of the workpiece 4.

The pressing end of the pressing finger 21 is set as a beveled pressing end. The inclined surface can change the contact between the pressing finger 21 and the workpiece 4 into surface contact, so that the pressing effect is better.

An installation groove 141 is formed in a sliding groove 143 of the lower end cover 14, a lifting bolt can be installed in the installation groove 141, a reset block 121 is integrally formed at the bottom of the expansion block 12, a through hole is formed in the reset block 121, and a reset spring 142 is connected between the reset block 121 and one side wall of the installation groove 141. The return spring 142 is fixed to one side wall of the return block 121 and the mounting groove 141 by hooks at both ends thereof. The outwardly extending spreader 12 is retracted to the initial position by the tension of the return spring 142. The utility model discloses in telescopic cylinder 20 that relates, main push away cylinder 15 and be current cylinder, its lectotype method also be present and technique, no longer give unnecessary details here, according to the operating requirement match of reality suitable cylinder can. The telescopic cylinder 20 and the main push cylinder 15 are both connected with a hydraulic pump through an air inlet and outlet pipeline, the hydraulic pump provides power to control the hydraulic pump to output and recover pressure media to control the extension and retraction of a piston rod, and the control and connection modes are the prior art and are not described herein.

The utility model discloses a concrete working process as follows: at first the staff through will connect bottom plate 3 to realize right through the fix with screw on the arm that corresponds the utility model discloses a fixedly, then will through the arm the utility model discloses place 4 tops of work pieces and make the head of main tributary strut structure 1 penetrate the circular portion of work piece 4 in, locating pin 24 penetrates in the 4 slotted holes of work piece simultaneously. Then the piston rod of the main push cylinder 15 is controlled to stretch out, the piston rod drives the outer supporting block 13 to stretch out together, then the inclined plane structure and the trapezoid table-shaped structure are matched to realize transverse pushing of the supporting expansion blocks 12, a plurality of groups of the supporting expansion blocks 12 are abutted to the inner wall of the circular part of the workpiece 4 to realize positioning clamping, then the piston rod of the telescopic cylinder 20 is controlled to stretch out, and then the inclined plane pressing ends of the pressing fingers 21 hinged to the end part of the piston rod of the telescopic cylinder 20 and the hinged connecting rod 22 are pressed on the surface of the workpiece 4 to realize clamping of the workpiece 4.

When placing work piece 4 transport on the next station the piston rod withdrawal that mainly pushes away cylinder 15, multiunit props the bloated piece 12 and contracts to initial position under reset spring 142's tensioning force effect, and telescopic cylinder 20's piston rod contracts simultaneously, compresses tightly that finger 21 revolves to initial position, removes the clamp to work piece 4 tightly, then under the drive of arm the utility model discloses reset, for next centre gripping preparation.

The embodiments of the present invention have been described in detail, but the present invention is only the preferred embodiments of the present invention, and the present invention is not to be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a prop bloated formula location tong structure which characterized in that: the utility model provides a prop bloated formula location tong structure includes that the owner props bloated structure (1), two sets of side clamping structure and connects bottom plate (3), the owner props bloated structure (1) fixed set up in connecting bottom plate (3) center, and is two sets of side clamping structure symmetry is fixed in and connects bottom plate (3) both ends, the owner props bloated structure (1) including the owner push away cylinder (15) and prop the subassembly that expands, it sets up in the owner pushes away cylinder (15) top to prop the subassembly that expands fixed, the piston rod that pushes away cylinder (15) mainly slides and wears to locate in propping the subassembly that expands.

2. The expanding positioning gripper structure of claim 1, wherein: the expansion assembly comprises a lower end cover (14), a plurality of groups of expansion blocks (12) and an upper gland (10), a plurality of groups of sliding grooves (143) are formed in the upper gland (10) and the lower end cover (14), the expansion blocks (12) are arranged between the upper gland (10) and the lower end cover (14) in a sliding mode, and the upper gland (10) is fixedly arranged on the lower end cover (14).

3. The expanding positioning gripper structure of claim 2, wherein: and a plurality of groups of limiting pins (11) are uniformly distributed and fixed on the lower surface of the upper gland (10).

4. The expanding positioning gripper structure of claim 3, wherein: the end part of a piston rod of the main push cylinder (15) is fixed with an outer supporting block (13), the upper end of the outer supporting block (13) is arranged to be of a trapezoid table-shaped structure, and a step hole (16) is formed in the outer supporting block (13) in a penetrating mode.

5. The expanding positioning gripper structure of claim 4, wherein: the supporting and expanding block (12) is arranged in a convex structure, one side end face of the supporting and expanding block (12) is arranged in an inclined plane structure, and the inclined plane structure is in sliding contact with the trapezoidal table-shaped structure of the outer supporting block (13).

6. An expanding positioning gripper structure according to claim 3, 4 or 5, wherein: the upper end of the multiple groups of the supporting expansion blocks (12) is provided with a limit groove (17), and the multiple groups of the limit pins (11) are matched and slide in the limit groove (17).

7. The expanding positioning gripper structure of claim 1, wherein: two sets of side clamping structure includes clamping component, locating pin (24), mounting panel (25) and fixed axle (26), clamping component fixed set up in mounting panel (25) one side, locating pin (24) wear to locate on mounting panel (25), and this locating pin (24) fixed set up on connecting bottom plate (3), fixed axle (26) fixed connection is in mounting panel (25) and connect between bottom plate (3).

8. The expanding positioning gripper structure of claim 7, wherein: the clamping assembly comprises a telescopic cylinder (20), a pressing finger (21) and a hinged connecting rod (22), a connecting block (23) is integrally formed at the top end of the telescopic cylinder (20), one end of the pressing finger (21) is hinged to the end portion of a piston rod of the telescopic cylinder (20), and the hinged connecting rod (22) is hinged to the connecting block (23) and the pressing finger (21).

9. The expanding positioning gripper structure of claim 8, wherein: the pressing end of the pressing finger (21) is an inclined pressing end.

10. The expanding positioning gripper structure of claim 2, wherein: a mounting groove (141) is formed in a sliding groove (143) of the lower end cover (14), a reset block (121) is integrally formed at the bottom of the expanding block (12), and a reset spring (142) is connected and arranged between the reset block (121) and one side wall of the mounting groove (141).