CN220548120U

CN220548120U - Pneumatic clamp

Info

Publication number: CN220548120U
Application number: CN202322154893.2U
Authority: CN
Inventors: 孙洪功; 赵辉绩; 甘以民; 蔡亦文
Original assignee: Outmet Transportation Technology Co Ltd
Current assignee: Outmet Transportation Technology Co Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-01
Anticipated expiration: 2033-08-11

Abstract

The utility model belongs to the technical field of clamp equipment, and particularly relates to a pneumatic clamp, which comprises a handle, a lower jaw mounting seat, an upper jaw mounting seat, a shell, a cover body, a connecting piece and a pneumatic polisher which are sequentially connected, and an internal structure of the shell, wherein the output end of the pneumatic polisher is modified; the novel clamping device is simple in structure, portable, convenient to use, capable of clamping without manual force, convenient to use and capable of improving production efficiency, and is particularly suitable for after-sale and small-space occasions.

Description

Pneumatic clamp

Technical field:

the utility model belongs to the technical field of clamping equipment, and particularly relates to a pneumatic clamp which can clamp a windshield bellows frame and a fabric frame.

The background technology is as follows:

the clamping operation of the windshield bellows rim and the fabric frame is typically accomplished using a manual clamping tool or hydraulic clamp: the manual clamping is extremely easy to cause fatigue feeling, the clamping force of each clamping part is uneven, the clamping effect is poor, and the production efficiency is low; the hydraulic clamp can ensure stable clamping force, has good clamping effect, but has larger clamp volume and weight because the hydraulic station is needed to provide power for the clamp, and can not move the position at will after the installation position is determined, so that the use scene is limited. For example, chinese patent 202310450409.2 discloses a hydraulic clamp provided as an excavator attachment at a forearm front end of an excavator, comprising: the hydraulic rotary motor, the clamp frame, the clamp claw and the hydraulic oil cylinder are driven by the excavator; the hydraulic rotary motor is arranged at the middle position of the upper part of the clamp frame and can drive the clamp frame to rotate 360 degrees; the two clamp claws are symmetrically arranged on two sides of the clamp frame, and the upper parts of the two sides of the clamp claws are movably connected with the clamp frame; the hydraulic oil cylinder is arranged at the lower part of the clamp frame and is connected with the middle positions of the upper parts of the clamp claws at the two sides; when the hydraulic oil cylinder stretches, the clamp claws on the two sides are pushed to rotate oppositely and are engaged; the lower end of the clamp claw is meshed with a rotatable movable clamping plate. The utility model discloses a hydraulic clamp for groover, which comprises a housin, shells inner wall fixedly connected with hydraulic stem, hydraulic stem one end fixedly connected with regulating plate, shells inner wall fixedly connected with dead lever, dead lever week side rotates and is connected with two regulation poles, regulation pole one end fixedly connected with holder, regulating plate side fixedly connected with two convex columns, convex column week side and regulation pole sliding fit, shells side fixedly connected with first adjusting part, first adjusting part includes the barrel, barrel inner wall rotates and is connected with first screw thread lead screw, first screw thread lead screw week side threaded connection has the fixed column, fixed column week side and barrel sliding fit, a fixed column surface and shell fixedly connected with, barrel bottom surface fixedly connected with second adjusting part, second adjusting part includes the support, support inner wall rotates and is connected with second screw thread lead screw, second screw thread lead screw week side threaded connection has the lifter, lifter week side and support sliding fit, lifter week side and lifter taper gear top and barrel fixedly connected with first adjusting part, second screw week side threaded connection has horizontal bevel gear and vertical bevel gear inside bevel gear, horizontal bevel gear and vertical bevel gear inside the inside is connected with the bevel gear. The hydraulic clamp disclosed in China patent 202221056366.7 comprises a base, an oil cylinder supporting plate is arranged at the bottom of the base, an oil cylinder is arranged on the oil cylinder supporting plate, a piston is arranged in the oil cylinder, a piston guide sleeve is arranged between the oil cylinder and the piston, the piston is connected with a piston rod, a piston rod guide sleeve is arranged between the piston rod and an oil cylinder upper cover of the oil cylinder, connecting rods are arranged in annular grooves on two sides of the upper end of the piston rod, the connecting rods are respectively connected with a sliding seat, shafts are arranged in connecting rod holes, the shafts are arranged on the base, the sliding seat is connected with a clamping jaw seat through an inner hexagonal cylindrical head screw II and an inner hexagonal cylindrical head screw III, a baffle is arranged on the outer side of the sliding seat, the clamping jaw seat is provided with a clamping jaw through an inner hexagonal cylindrical head screw III, an oil port A is arranged on the upper cover of the oil cylinder, an oil port B is arranged on the lower cover of the oil cylinder, the oil port A and the oil port B are communicated with the oil cylinder, and the oil port A and the oil port B are right face rectangular holes on two sides of the base. Based on the problems, the portable pneumatic clamp which can stably output the clamping force, is light and flexible and is not limited by places and working environments is developed and designed, and has positive economic and social values.

The utility model comprises the following steps:

the utility model aims to overcome the defects of the prior art, develop and design a portable pneumatic clamp, provide stable clamping force and are suitable for various occasions.

In order to achieve the above object, the main structure of the pneumatic clamp according to the present utility model includes a handle, a lower jaw mounting seat, an upper jaw mounting seat, a housing, a cover, a connecting piece, and a pneumatic sander, which are sequentially connected, and an inner structure of the housing;

a shaft is arranged in the lower jaw mounting seat, a lower jaw is arranged on the shaft, a spring washer is arranged in a gap between the shaft and the lower jaw, and an upper jaw is arranged on the upper jaw mounting seat;

the internal structure of the shell 4 comprises a piston, a crankshaft, an upper gear, a lower gear and a power transmission gear shaft arranged in the lower gear which are connected in sequence; a copper sleeve is arranged in the cylinder wall of the piston, one end of the crankshaft is connected with the shell, and the other end of the crankshaft is sleeved in the upper gear.

An adjusting gasket is further arranged between the lower jaw mounting seat and the upper jaw mounting seat; sealing rings are arranged between the upper jaw mounting seat and the upper jaw and between the connecting piece and the pneumatic polisher; a first check ring is arranged at two ends of the pin shaft; the crankshaft is sleeved with a first bearing, a needle bearing and a second bearing; a first washer and a second washer are arranged between the upper gear and the second bearing, and a second check ring is arranged between the upper gear and the flat key; and a third bearing and a fourth bearing are arranged at two ends of the power transmission gear shaft.

The lower jaw mounting seat and the upper jaw mounting seat, the upper jaw mounting seat and the shell, the shell and the cover body and the connecting piece are all connected through screws, and the connecting piece is connected with the pneumatic polisher through threads; the piston is connected with the connecting rod through a pin shaft and is connected with the crankshaft through the connecting rod; the crankshaft is connected with the shell through a set screw and is connected with the upper gear through a flat key; the upper gear is meshed with the power transmission gear shaft; the lower gear is meshed with a power output gear shaft gear of the pneumatic polisher; the needle bearing is arranged between the connecting rod and the crankshaft.

The lower jaw and the upper jaw are opposite and are movable replaceable jaws; the spring washer has a buffering function; the sealing ring is O-shaped sealing; the diameter of the middle position of the piston is reduced, and a cavity is formed between the piston and the copper sleeve; the copper bush can improve the lubrication and wear resistance of the piston, and is convenient to maintain and replace.

Compared with the prior art, the utility model has the advantages that the output end of the handheld pneumatic polisher is improved, the output rotating speed of the pneumatic polisher is higher, the rotating speed is reduced through the two-stage gears of the upper gear and the lower gear, the rotating motion is converted into the linear reciprocating motion through the crankshaft, the connecting rod and the piston after the rotating speed is reduced, the clamping is realized through the upper jaw arranged at one end of the piston and the lower jaw corresponding to the upper jaw, and the upper jaw and the lower jaw are replaced so as to adapt to the clamping of frames of different types and fabric frames; the novel clamping device is simple in structure, portable, convenient to use, capable of clamping without manual force, convenient to use and capable of improving production efficiency, and is particularly suitable for after-sale and small-space occasions.

Description of the drawings:

fig. 1 is a schematic diagram of the principle of the main structure of the present utility model.

Fig. 2 is a cross-sectional view of the body structure of the present utility model.

Fig. 3 is a front view of the body structure of the present utility model.

Fig. 4 is a top view of the body structure of the present utility model.

Fig. 5 is a side view of the body structure of the present utility model.

Fig. 6 is a schematic diagram of a connection relationship between a lower jaw mounting base and an upper jaw mounting base according to the present utility model.

Fig. 7 is a schematic diagram showing a connection relationship between an upper jaw mounting base and a housing according to the present utility model.

Fig. 8 is a schematic diagram of connection relation between a housing, a cover and a connector according to the present utility model.

The specific embodiment is as follows:

the utility model will be further described with reference to the drawings and the detailed description.

Example 1:

the main structure of the pneumatic clamp related to the embodiment comprises a handle 1, a lower jaw mounting seat 2, an upper jaw mounting seat 3, a shell 4, an inner structure of the shell, a cover body 5, a connecting piece 6, a pneumatic polisher 7, a shaft 8, a lower jaw 9, a spring washer 10, an upper jaw 11, an adjusting gasket 12, a sealing ring 13 and a screw 14; the handle 1 is vertically connected with the lower jaw mounting seat 2, the lower jaw mounting seat 2 is connected with the upper jaw mounting seat 3, the upper jaw mounting seat 3 is connected with the shell 4, the shell 4 is vertically connected with the cover body 5, and the cover body 5 is connected with the pneumatic polisher 7 through the connecting piece 6; a shaft 8 is arranged in the lower jaw mounting seat 2, a lower jaw 9 is arranged on the shaft 8, a spring washer 10 is arranged in a gap between the shaft 8 and the lower jaw 9, an upper jaw 11 is arranged on the upper jaw mounting seat 3, the lower jaw 9 is opposite to the upper jaw 11 and is a movable replaceable jaw, an adjusting gasket 12 is also arranged between the lower jaw mounting seat 2 and the upper jaw mounting seat 3, a sealing ring 13 is arranged between the upper jaw mounting seat 3 and the upper jaw 11 and between a connecting piece 6 and a pneumatic polisher 7, the lower jaw mounting seat 2 and the upper jaw mounting seat 3, the upper jaw mounting seat 3 and a shell 4, the shell 4 and a cover 5 are connected with the connecting piece 6 through screws 14, and the connecting piece 6 and the pneumatic polisher 7 are connected through threads; the internal structure of the housing 4 includes a piston 401, a connecting rod 402, a crankshaft 403, an upper gear 404, a lower gear 405, a power transmission gear shaft 406, a copper sleeve 407, a pin 408, a retainer ring 409, a set screw 410, a bearing 411, a needle bearing 412, a bearing 413, a washer 414, a washer 415, a flat key 416, a retainer ring 417, a bearing 418, and a bearing 419; the piston 401 is connected with the crankshaft 403 through the connecting rod 402, the crankshaft 403 is connected with the upper gear 404, the upper gear 404 is connected with the lower gear 405, the lower gear 405 is connected with the power output gear shaft 701 of the pneumatic polisher 7, and the lower gear 405 is provided with the power transmission gear shaft 406; the cylinder wall internally mounted of piston 401 has copper sheathing 407, piston 401 is connected through round pin axle 408 with connecting rod 402, the both ends of round pin axle 408 are provided with check ring 409, the one end of bent axle 403 passes through holding screw 410 and casing 4 fixed connection, prevent axial float, the other end cover is located in upper gear 404, the cover is equipped with bearing 411, bearing 412 and No. two bearings 413 on the bent axle 403, connecting rod 402 is connected through bearing 412 with bent axle 403, be provided with washer 414 and No. two washers 415 between upper gear 404 and No. two bearings 413, bent axle 403 is connected through flat key 416 with upper gear 404, upper gear 404 is fixed on bent axle 403 through No. two check rings 417, the both ends of power transmission gear axle 406 are provided with bearing 418 and No. four bearings 419.

When the pneumatic clamp according to the embodiment is used, lubricating oil is filled in a gap between the piston 401 and the copper sleeve 407 for lubrication;

connecting the pneumatic polisher 7 with a gas source for providing compressed air, wherein a power output gear shaft 701 of the pneumatic polisher 7 realizes primary speed reduction through a lower gear 405, and a power transmission gear shaft 406 realizes secondary speed reduction through an upper gear 404;

the piston 401, the connecting rod 402 and the crankshaft 403 cooperate to form a crank-connecting rod mechanism, which converts the rotary motion into linear reciprocating motion and drives the upper jaw 11 to perform linear motion, thereby realizing clamping action.

Claims

1. The utility model provides a pneumatic clamp, the major structure includes handle, lower jaw mount pad, last jaw mount pad, casing, lid, connecting piece and pneumatic polisher that connect gradually to and the inner structure of casing, its characterized in that is provided with the axle in the lower jaw mount pad, is provided with down the jaw on the axle, and the space between axle and the lower jaw is provided with the spring washer, is provided with on the upper jaw mount pad and keeps silent.

2. The pneumatic clamp according to claim 1, wherein the internal structure of the housing includes a piston, a crankshaft, an upper gear and a lower gear connected in sequence, and a power transmission gear shaft provided in the lower gear; a copper sleeve is arranged in the cylinder wall of the piston, one end of the crankshaft is connected with the shell, and the other end of the crankshaft is sleeved in the upper gear.

3. The pneumatic clamp according to claim 2, wherein an adjustment washer is further provided between the lower jaw mount and the upper jaw mount; sealing rings are arranged between the upper jaw mounting seat and the upper jaw and between the connecting piece and the pneumatic polisher; a first check ring is arranged at two ends of the pin shaft; the crankshaft is sleeved with a first bearing, a needle bearing and a second bearing; a first washer and a second washer are arranged between the upper gear and the second bearing, and a second check ring is arranged between the upper gear and the flat key; and a third bearing and a fourth bearing are arranged at two ends of the power transmission gear shaft.

4. The pneumatic clamp according to claim 3, wherein the lower jaw mounting seat and the upper jaw mounting seat, the upper jaw mounting seat and the housing, the housing and the cover, and the cover and the connecting piece are all connected by screws, and the connecting piece is connected with the pneumatic sander by threads; the piston is connected with the connecting rod through a pin shaft and is connected with the crankshaft through the connecting rod; the crankshaft is connected with the shell through a set screw and is connected with the upper gear through a flat key; the upper gear is meshed with the power transmission gear shaft; the lower gear is meshed with a power output gear shaft gear of the pneumatic polisher; the needle bearing is arranged between the connecting rod and the crankshaft.

5. The pneumatic clamp of claim 3 or 4, wherein the lower jaw is opposite the upper jaw; the sealing ring is O-shaped sealing; the diameter of the middle position of the piston is reduced, and a cavity is formed between the piston and the copper sleeve.