CN214110453U

CN214110453U - Clamping jaw

Info

Publication number: CN214110453U
Application number: CN202022407937.4U
Authority: CN
Inventors: 张仁友; 陈孟喜; 施久旺
Original assignee: Yueqing Rongxin Machinery Co ltd
Current assignee: Yueqing Rongxin Machinery Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-09-03
Anticipated expiration: 2030-10-26

Abstract

The application relates to a clamping jaw relates to clamping device's technical field, and it includes that one side is provided with the open-ended casing, be provided with drive assembly in the casing and extend to the centre gripping subassembly in the opening outside, centre gripping subassembly includes two holders, two holders of drive assembly drive carry out synchronous being close to each other or keeping away from. Set up drive assembly and centre gripping subassembly in the casing, two holders of drive assembly drive carry out synchronous each other and are close to or keep away from, carry out the centre gripping and loosen the metal rod, and the spare part of adoption is less, and the synchronous motion of two holders has guaranteed the uniformity at centre gripping, has improved centre gripping stability.

Description

Clamping jaw

Technical Field

The application relates to the field of clamping devices, in particular to a clamping jaw.

Background

In the manufacturing industry, when producing and manufacturing rivets, bolts, valves, shafts and the like, the bars need to be blanked firstly, the required length is intercepted, and then subsequent processing is carried out, and in the processing process, the clamp is an indispensable mechanism.

At present, for example, the utility model with the patent number of 2019737343U discloses a clamping device capable of clamping round bars and square bars, which comprises a clamping jaw seat, a probe side clamping jaw seat and a wire rail bracket, wherein the clamping jaw seat and the probe side clamping jaw seat are both arranged on the wire rail bracket; and the top of the line rail support is provided with a guide rail, two ends of the guide rail are respectively provided with a sliding block, and the two sliding blocks are respectively connected with the clamping jaw seat and the probe side clamping jaw seat. The top parts of the clamping jaw seat and the probe side clamping jaw seat are respectively provided with an upper clamping block, and the bottom parts of the clamping jaw seat and the probe side clamping jaw seat are respectively provided with a lower clamping block; the linear rail bracket is a door-shaped bracket, and both sides of the linear rail bracket are m-shaped; the lower end of the linear rail support is provided with a wide type pneumatic claw, two ends of the wide type pneumatic claw are respectively provided with a telescopic guide rod, and the end part of each guide rod is provided with a telescopic plate.

In view of the above-mentioned related technologies, the inventor believes that there are many parts, complex structure, high production cost and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to reduce manufacturing cost, the application provides a clamping jaw, and it has simple structure and the good advantage of clamping performance.

The application provides a clamping jaw adopts following technical scheme:

the clamping jaw comprises a shell with an opening formed in one side, wherein a driving assembly and a clamping assembly extending to the outside of the opening are arranged in the shell, the clamping assembly comprises two clamping pieces, and the driving assembly drives the two clamping pieces to be close to or far away from each other synchronously.

Through adopting above-mentioned technical scheme, set up drive assembly and centre gripping subassembly in the casing, two holders of drive assembly drive carry out synchronous each other and are close to or keep away from, carry out the centre gripping and loosen the metal rod, and the spare part of adoption is less, and the synchronous motion of two holders has guaranteed the uniformity at centre gripping center, has improved centre gripping stability.

Preferably, drive assembly is including setting up in the casing and deviating from the driving source of opening one side, be provided with the guide that is connected with the driving source in the casing, holder and guide sliding connection, the guide drives two holders through the guide effect under the effect of driving source and is close to each other or keep away from, the double-phase of casing is provided with the guide bar that runs through two holding assembly to the inner wall, the length direction of guide bar is mutually perpendicular with the direction of drive of driving source.

Through adopting above-mentioned technical scheme, the driving source is through promoting the guide, and the guide carries out the power of driving source respectively, under the effect of guide bar for the guide slides along the drive direction of driving source, and two centre grippings then slide along the drive direction of perpendicular to driving source, and then realize the centre gripping work, make the centre gripping center have good uniformity.

Preferably, the guide part includes the drive plate, the drive plate runs through two waist type holes of mutual symmetry, two waist type hole open-ended one end is and is close to each other or keeps away from the setting, the holder includes grip block and sets up in the actuating lever of grip block upper end, the actuating lever is worn to locate in the waist type hole.

Through adopting above-mentioned technical scheme, promote the drive plate through the driving source, under the guide effect of waist type hole and guide bar for grip block and actuating lever are close to each other or keep away from each other and slide, and its simple structure just is convenient for assemble.

Preferably, the two opposite inner walls of the housing are both provided with sliding grooves, and two ends of the driving plate are respectively located in the corresponding sliding grooves.

Preferably, the openings of the two kidney-shaped holes are arranged close to each other at the ends close to the driving source.

Through adopting above-mentioned technical scheme, when the driving source promoted the drive plate and slided towards the holder, two holders were close to each other and pressed from both sides tightly the metal rod, otherwise then make two holders loosen the metal rod for the centre gripping dynamics is more accurate stable.

Preferably, the number of the guide rods is two, and the guide rods respectively penetrate through the lower ends of the two clamping plates in the shell.

By adopting the technical scheme, on one hand, the stability of the clamping plate in the sliding process and the pressure bearing capacity of the clamping plate in the clamping process can be effectively improved by arranging the two guide rods, and the clamping performance is improved; on the other hand, the guide rod is arranged at the lower end of the part, in the shell, of the clamping plate, so that the distance between the guide rod and the extending part of the clamping plate can be further shortened, and the stability of the clamping plate is further improved.

Preferably, the mounting portion in the grip block includes the casing, the one end of mounting portion is connected with the clamping part that stretches out from the casing opening, the groove of stepping down has been seted up to the up end of mounting portion, the actuating lever is connected with the double-phase inner wall in groove of stepping down.

Through adopting above-mentioned technical scheme, through the setting in the groove of stepping down for the both ends of actuating lever can be connected with the double-phase inside in the groove of stepping down respectively, have further improved the stability of two grip blocks in clamping process.

Preferably, the two inner walls of the abdicating groove are respectively abutted against the two side walls of the driving plate.

Through adopting above-mentioned technical scheme for drive plate and grip block can provide direction and limiting displacement each other, effectively improves the stability of whole mechanism operation.

Preferably, the two opposite inner walls of the shell are provided with guide blocks, the two guide blocks are located between the two clamping plates, and the two guide rods sequentially penetrate through one installation part, the guide blocks and the other installation part.

Through adopting above-mentioned technical scheme, through the setting of guide block, further improve the steadiness of guide bar.

Preferably, the opposite side walls of the two guide blocks abut against the opposite side walls of the drive plate, respectively.

Through adopting above-mentioned technical scheme for the guide block can form the guide effect to the drive plate simultaneously, further improves the overall stability of mechanism's operation.

Drawings

Fig. 1 is a schematic view of a jaw according to an embodiment of the present application.

Fig. 2 is a schematic view of a clamping jaw of the present embodiment after a main plate is removed.

Fig. 3 is a schematic structural view of the clamping jaw of the embodiment of the present application after a main plate, a side plate, and a clamping member are removed.

Fig. 4 is a schematic structural diagram of a clamping assembly according to an embodiment of the present application.

Description of reference numerals: 1. a housing; 101. a main board; 102. a side plate; 103. a cover plate; 2. a drive assembly; 201. a hydraulic cylinder; 202. a guide member; 3. a clamping assembly; 301. a clamping member; 4. a drive plate; 5. a kidney-shaped hole; 6. a chute; 7. a clamping plate; 701. an installation part; 702. a clamping portion; 8. a drive rod; 9. a guide bar; 10. a yielding groove; 11. a guide block; and 12, mounting the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a clamping jaw. Referring to fig. 1 and 2, the clamping jaw includes a housing 1, a driving assembly 2 and a clamping assembly 3 extending outside the housing 1 are disposed in the housing 1, the clamping assembly 3 includes two clamping members 301, and the driving assembly 2 drives the two clamping members 301 to move close to or away from each other synchronously, so as to clamp the metal rod.

The housing 1 includes two main plates 101 disposed opposite to each other, two side plates 102 disposed opposite to each other, and a cover plate 103 fixedly attached to upper end surfaces of the main plates 101 and the side plates 102, and the lower end of the housing 1 has an opening through which the lower end of the clamping unit 3 protrudes. The lower end face of the shell 1 is fixedly connected with a mounting plate 12, and the lower end face of the mounting plate 12 is provided with a through hole communicated with the lower end opening of the shell 1.

Referring to fig. 2 and 3, the driving assembly 2 includes a hydraulic cylinder 201 fixedly connected to the upper end surface of the cover plate 103, and a piston rod of the hydraulic cylinder 201 penetrates through the cover plate 103 and extends into the housing 1. The end of the piston rod of the hydraulic cylinder 201 is fixedly connected with a guide 202, and the clamping assembly 3 is connected with the guide 202 in a sliding way.

Wherein, the guide 202 is arranged as a driving plate 4 with the upper end surface fixedly connected with the piston rod of the hydraulic cylinder 201. The two opposite inner walls of the side plate 102 are both provided with sliding grooves 6, and two ends of the driving plate 4 are respectively positioned in the corresponding sliding grooves 6. Two mutually symmetrical kidney-shaped holes 5 penetrate through the driving plate 4, and the openings of the two kidney-shaped holes 5 are close to one end of the hydraulic cylinder 201.

The clamping member 301 comprises a clamping plate 7 and driving rods 8 fixedly connected to the upper end of the clamping plate 7, and the two driving rods 8 are respectively arranged in the kidney-shaped holes 5 in a penetrating manner to form sliding connection in the kidney-shaped holes 5. A guide rod 9 penetrating through the two clamping plates 7 is fixedly connected between the two side plates 102, and the length direction of the guide rod 9 is vertical to the length direction of the piston rod of the hydraulic cylinder 201.

Referring to fig. 3 and 4, the clamp plate 7 includes a mounting portion 701 located in the housing 1, and a clamp portion 702 extending from an opening of the housing 1 is integrally connected to a lower end surface of the mounting portion 701. The upper end face of the mounting portion 701 is provided with a yielding groove 10, and the driving rod 8 is located in the yielding groove 10 and fixedly connected with the two inner walls of the yielding groove 10. The driving plate 4 is located in the abdicating groove 10, and two inner walls of the abdicating groove 10 are respectively abutted against two side walls of the driving plate 4.

For improving the overall stability of the mechanism, the guide rods 9 are arranged to be two, and the two guide rods 9 penetrate through the lower ends of the two installation parts 701. The inner walls of the two main boards 101 are fixedly connected with guide blocks 11, the two guide blocks 11 are located between the two clamping plates 7, and the two guide rods 9 sequentially penetrate through an installation part 701, the guide blocks 11 and the other installation part 701. The opposite side walls of the two guide blocks 11 are respectively abutted against the two opposite side walls of the drive plate 4, the edges of the upper end surfaces of the guide blocks 11 facing the drive plate 4 are provided with chamfers, and the edges of the two sides of the lower end surface of the drive plate 4 facing the two guide blocks 11 are provided with chamfers.

The implementation principle of the clamping jaw in the embodiment of the application is as follows:

when clamping the metal bar, starting the hydraulic cylinder 201 to push out the piston rod, the piston rod presses down the driving plate 4, and through the matching arrangement of the two kidney-shaped holes 5 and the guide rod 9, the two driving rods 8 gradually approach along the sliding of the kidney-shaped holes 5, so that the two clamping plates 7 approach each other and clamp the metal bar tightly. In a similar way, the hydraulic cylinder 201 contracts the piston rod, so that the two clamping plates 7 can be driven to be away from each other to loosen the metal rod.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A clamping jaw, characterized by: be provided with open-ended casing (1) including one side, be provided with drive assembly (2) in casing (1) and extend to centre gripping subassembly (3) outside the opening, centre gripping subassembly (3) include two holders (301), drive assembly (2) drive two holders (301) carry out synchronous mutual being close to or keep away from.

2. A jaw as claimed in claim 1, characterized in that: drive assembly (2) are including setting up in casing (1) the driving source that deviates from opening one side, be provided with guide (202) that are connected with the driving source in casing (1), holder (301) and guide (202) sliding connection, guide (202) drive two holder assembly (3) through the guide effect under the effect of driving source and are close to each other or keep away from, the double-phase of casing (1) is provided with guide bar (9) that run through two holders (301) to the inner wall, the length direction of guide bar (9) is mutually perpendicular with the direction of drive of driving source.

3. A jaw as claimed in claim 2, characterized in that: guide part (202) include drive plate (4), drive plate (4) run through waist type hole (5) that have two mutual symmetries, two waist type hole (5) open-ended one end is and is close to each other or keeps away from the setting, holder (301) include grip block (7) and set up in actuating lever (8) of grip block (7) upper end, actuating lever (8) are worn to locate in waist type hole (5).

4. A jaw as claimed in claim 3, characterized in that: the two opposite inner walls of the shell (1) are provided with sliding grooves (6), and two ends of the driving plate (4) are respectively located in the corresponding sliding grooves (6).

5. A jaw as claimed in claim 3, characterized in that: the openings of the two kidney-shaped holes (5) are close to one end of the driving source.

6. A jaw as claimed in claim 3, characterized in that: the number of the guide rods (9) is two, and the guide rods penetrate through the lower ends of the parts, inside the shell (1), of the two clamping plates (7) respectively.

7. A jaw as claimed in claim 3, characterized in that: mounting portion (701) in grip block (7) include casing (1), the one end of mounting portion (701) is connected with clamping part (702) that stretches out from casing (1) opening, the slot of stepping down (10) have been seted up to the up end of mounting portion (701), actuating lever (8) and the double-phase inner wall in slot of stepping down (10) are connected.

8. A jaw as claimed in claim 7, characterized in that: the two inner walls of the abdicating groove (10) are respectively abutted against the two side walls of the driving plate (4).

9. A jaw as claimed in claim 7, characterized in that: the two-phase inner wall of casing (1) all is provided with guide block (11), two guide block (11) are located between two grip blocks (7), two guide bar (9) all run through an installation department (701), guide block (11), another installation department (701) in proper order.

10. A jaw as claimed in claim 9, characterized in that: the opposite side walls of the two guide blocks (11) are respectively abutted against the two opposite side walls of the driving plate (4).