CN218891504U

CN218891504U - L-shaped four-axis pneumatic clamp

Info

Publication number: CN218891504U
Application number: CN202222705276.2U
Authority: CN
Inventors: 刘波
Original assignee: Suzhou Wanda Precision Technology Co ltd
Current assignee: Suzhou Wanda Precision Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-21
Anticipated expiration: 2032-10-13

Abstract

The utility model provides an L-shaped four-axis pneumatic clamp which comprises a support frame, wherein two positioning columns A are fixed on the support frame, two fixing columns A are fixed on the support frame, a transverse plate is detachably connected to the support frame, two positioning columns B are fixed on the transverse plate, four fixing columns B are fixed on the transverse plate, two rotary pressing down cylinders are fixed on the support frame, four pressing down assemblies capable of being matched with to fix an L-shaped workpiece are arranged on the transverse plate, auxiliary mechanisms capable of avoiding vibration of the L-shaped workpiece are arranged on the support frame and the transverse plate, the pressing down assemblies comprise a pressing down cylinder A fixed on the lower surface of the transverse plate, two fixing plates fixed on push rods of the pressing down cylinder A, fixing rods fixed between the two fixing plates, U-shaped blocks fixed on the transverse plate, connecting rods fixed on the inner walls of the U-shaped blocks, pressing down plates sleeved on the connecting rods and sliding grooves penetrating through the pressing down plates. According to the utility model, the L-shaped workpiece can be quickly fixed by arranging the pressing component and the rotary pressing cylinder, so that the processing efficiency is improved.

Description

L-shaped four-axis pneumatic clamp

Technical Field

The utility model relates to the technical field of pneumatic clamps, in particular to an L-shaped four-axis pneumatic clamp.

Background

The milling machine fixture is mainly used for machining planes, grooves, splines and various molding surfaces on parts, and is a very common fixture. The milling machine is generally composed of a positioning device, a clamping device, a clamp body, a tool setting element and the like, and larger vibration can be generated in the cutting process due to discontinuous cutting and larger cutting force in the milling process, so that the milling machine has higher requirements on the clamping force of the clamp, the rigidity and the strength of the clamp.

The existing starting clamp has some problems in the using process, such as a Chinese patent (bulletin number: CN 216939614U) pneumatic clamp for a numerical control milling machine, waste and dust generated by milling a milling cutter can be sucked into the recycling box through the air inlet hole by matching the exhaust fan, the dust collection hose, the dust screen, the recycling box and the air inlet hole, so that the possibility of splashing the waste and dust everywhere is further reduced, the cleaning of the numerical control milling machine by workers is facilitated, meanwhile, the recycling of the scraps is facilitated, the Chinese patent (bulletin number: CN 207606559U) pneumatic clamp for the numerical control milling machine is provided, the fixed baffle and the end face of the clamp seat are adjusted to be on the same plane through the adjusting bolt, the square article can be clamped, and when the arc article is clamped, the fixed baffle and the arc groove of the clamp seat can be mutually attached through the adjusting bolt.

Disclosure of Invention

The utility model aims to provide a pneumatic clamp capable of rapidly fixing an L-shaped four-axis workpiece.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides an L type four-axis pneumatic clamp, includes the support frame, is fixed with two reference columns A on the support frame, is fixed with two fixed columns A on the support frame, is connected with the diaphragm on the support frame in a detachable way, is fixed with two reference columns B on the diaphragm, is fixed with four fixed columns B on the diaphragm, is fixed with two rotatory pushing down cylinders on the support frame, is equipped with four pushing down subassemblies that can cooperate with the L shape work piece to fix on the diaphragm, is equipped with the auxiliary mechanism that can avoid L shape work piece vibration on support frame and the diaphragm;

the pressing component comprises a pressing cylinder A fixed on the lower surface of the transverse plate, two fixing plates fixed on a push rod of the pressing cylinder A, a fixing rod fixed between the two fixing plates, a U-shaped block fixed on the transverse plate, a connecting rod fixed on the inner wall of the U-shaped block, a pressing plate sleeved on the connecting rod and a sliding groove penetrating through the pressing plate, wherein the pressing plate is in sliding fit with the fixing rod through the sliding groove.

Support whole equipment through support frame and diaphragm, carry out assistance-localization real-time to L shape work piece through reference column A and reference column B fast, fix L shape work piece through fixed column A and fixed column B is supplementary, when needs are processed L shape work piece, place L shape work piece on reference column B, and make L shape work piece restriction between two reference columns A, start control switch can drive rotatory cylinder and cylinder A work down this moment, rotatory cylinder work down can be to L shape work piece's fixation, cylinder A work drives the holding down plate simultaneously and is close to reference column B end decline, thereby realize fixing L shape work piece, can fix L shape work piece fast through setting up the subassembly of pushing down and rotatory cylinder down, thereby the efficiency of processing has been improved.

Further, the auxiliary mechanism comprises six rubber columns fixed on the transverse plate, two supporting cylinders fixed on the supporting frame and two circular plates fixed on the end parts of push rods of the two supporting cylinders, and the height of the rubber columns is larger than that of the fixed column B.

When L shape work piece is fixed, it can be with rubber column extrusion cooperation to produce ascending effort to L shape work piece, can produce the external power of support frame to L shape work piece after the support cylinder starts simultaneously, thereby further cooperate the fixed to L shape work piece, make difficult vibration among the L shape work piece course of working, improved the processingquality and the precision of work piece.

Further, four threaded holes are formed in the support frame, fixing holes are formed in the positions, corresponding to the threaded holes, of the transverse plates in a penetrating mode, and bolts are connected to the inner portions of the threaded holes in a meshed mode.

When the lower air cylinder A, the rotary lower air cylinder and the rubber column are required to be maintained and replaced, the bolts are rotated positively, so that the bolts are far away from the threaded holes, the fixation of the transverse plates and the supporting frame can be relieved, and the lower air cylinder A, the rotary lower air cylinder and the rubber column are convenient to maintain and replace.

Further, rubber pads are fixed on the end part of the fixed column A, the upper end of the fixed column B, the lower pressing plate, the cross arm of the rotary lower pressing cylinder and the circular plate, and the rubber pads are provided with anti-skid patterns.

The L-shaped workpiece is not easy to scratch in the fixing and processing process, and meanwhile, the L-shaped workpiece can be effectively prevented from moving in the processing process by arranging the anti-skid patterns on the rubber pad.

Further, two handles are fixed on the transverse plate, and anti-slip pads are sleeved on the handles.

Through the convenient removal with the diaphragm of handle pull, through cup jointing slipmat on hand can increase the frictional force of operating personnel hand and handle, avoid operating personnel hand and handle to take place to skid.

Drawings

FIG. 1 is a schematic view of a clamp for securing an L-shaped workpiece in accordance with the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a schematic view of a hold-down assembly according to the present utility model;

FIG. 4 is one of the partial cross-sectional schematic views of the present utility model;

FIG. 5 is a second schematic partial cross-sectional view of the present utility model.

In the figure: 100. a support frame; 101. positioning column A; 102. fixing the column A; 103. a cross plate; 104. a positioning column B; 105. fixing the column B; 200. pressing down the assembly; 201. a pressing cylinder A; 202. a fixing plate; 203. a fixed rod; 204. a U-shaped block; 205. a connecting rod; 206. a lower pressing plate; 207. a chute; 300. a rotary pressing cylinder; 400. an auxiliary mechanism; 401. a rubber column; 402. a support cylinder; 403. a circular plate; 500. a threaded hole; 501. a fixing hole; 502. a bolt; 600. a rubber pad; 700. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without undue burden are within the scope of the utility model

Referring to fig. 1-5, an embodiment of the present utility model is provided:

the utility model provides an L type four-axis pneumatic clamp, including support frame 100, be fixed with two reference column A101 on the support frame 100, be fixed with two fixed column A102 on the support frame 100, be connected with diaphragm 103 on the support frame 100 can be dismantled, be fixed with two reference column B104 on the diaphragm 103, be fixed with four fixed column B105 on the diaphragm 103, be fixed with two rotatory pushing down cylinder 300 on the support frame 100, be equipped with on the diaphragm 103 and cooperate the four pushing down subassembly 200 that will fix L shape work piece, be equipped with on support frame 100 and the diaphragm 103 and can avoid L shape work piece vibration's auxiliary mechanism 400;

the pressing assembly 200 comprises a pressing cylinder A201 fixed on the lower surface of the transverse plate 103, two fixing plates 202 fixed on push rods of the pressing cylinder A201, a fixing rod 203 fixed between the two fixing plates 202, a U-shaped block 204 fixed on the transverse plate 103, a connecting rod 205 fixed on the inner wall of the U-shaped block 204, a pressing plate 206 sleeved on the connecting rod 205 and a sliding groove 207 penetrating through the pressing plate 206, wherein the pressing plate 206 is in sliding fit with the fixing rod 203 through the sliding groove 207.

The whole equipment is supported through the support frame 100 and the transverse plate 103, the L-shaped workpiece is quickly positioned in an auxiliary mode through the positioning column A101 and the positioning column B104, the L-shaped workpiece is fixed through the fixing column A102 and the fixing column B105 in an auxiliary mode, when the L-shaped workpiece is required to be processed, the L-shaped workpiece is placed on the positioning column B104, the L-shaped workpiece is limited between the two positioning columns A101, at the moment, the control switch is started, the rotary pressing cylinder 300, the pressing cylinder A201 and the supporting cylinder 402 start to work, after the rotary pressing cylinder 300 works, the push rod of the rotary pressing cylinder 300 can be driven to rotate by a certain angle, then the transverse plate 103 moves, the transverse arm of the rotary pressing cylinder 300 is driven to move towards the transverse plate 103, so that the L-shaped workpiece is fixed, meanwhile, after the pressing cylinder A201 is driven to work positively, the push rod of the rotary pressing cylinder is lifted, the fixing plate 202 and the fixing rod 203 are driven to move upwards, and then the pressing plate 206 is driven to move upwards away from one end of the positioning column B104, the fixing rod 203 slides along the chute 207, the pressing plate 206 is combined with the connecting rod 205, the pressing plate 205 is arranged, the pressing plate 205 is enabled to rotate close to the pressing plate 205, and the end of the L-shaped workpiece is closely pressed tightly, and the L-shaped workpiece is fixed by the connecting rod is arranged on the connecting rod, and the connecting rod is closely arranged on the side of the end of the L-shaped workpiece, and the L-shaped workpiece is closely pressed by the connecting rod, and the positioning rod is fixed by the positioning plate, and the positioning plate and the positioning device.

Preferably, the auxiliary mechanism 400 includes six rubber columns 401 fixed on the cross plate 103, two supporting cylinders 402 fixed on the supporting frame 100, and two circular plates 403 fixed on the push rod ends of the two supporting cylinders 402, and the height of the rubber columns 401 is greater than that of the fixed column B105.

In the process that the lower pressure plate 206 moves downwards near the end of the positioning column B104, the L-shaped workpiece is contacted with the rubber column 401, when the L-shaped workpiece is fixed, the rubber column 401 deforms, so that upward acting force is generated on the L-shaped workpiece, meanwhile, after the supporting cylinder 402 is started, the push rod and the circular plate 403 of the supporting cylinder 402 slide towards the outside of the supporting frame 100, after the rubber pad 600 of the circular plate 403 is tightly attached to the L-shaped workpiece, force towards the outside of the supporting frame 100 can be generated on the L-shaped workpiece, and the L-shaped workpiece can be firmly fixed by arranging the auxiliary mechanism 400 to be matched with the lower pressure assembly 200 and the rotary lower pressure cylinder 300, so that vibration is not easy to generate when the L-shaped workpiece is processed, and the processing quality and the processing precision of the workpiece are improved.

Preferably, four threaded holes 500 are formed in the support frame 100, fixing holes 501 are formed in positions, corresponding to the threaded holes 500, of the transverse plate 103 in a penetrating mode, and bolts 502 are connected to the threaded holes 500 in a meshed mode.

When the lower pressure cylinder A201, the rotary lower pressure cylinder 300 and the rubber column 401 need to be maintained and replaced, the bolt 502 is rotated positively, so that the bolt 502 is far away from the threaded hole 500, and the fixation of the transverse plate 103 and the support frame 100 can be released, thereby facilitating the maintenance and replacement of the lower pressure cylinder A201, the rotary lower pressure cylinder 300 and the rubber column 401.

Preferably, rubber pads 600 are fixed on the end of the fixed column a102, the upper end of the fixed column B105, the lower pressure plate 206, the cross arm of the rotary lower pressure cylinder 300 and the circular plate 403, and the rubber pads 600 are provided with anti-skid patterns.

The above arrangement makes the L-shaped workpiece not easily scratched in the fixing and processing process, and meanwhile, by arranging the anti-skid patterns on the rubber pad 600, the L-shaped workpiece can be effectively prevented from moving in the processing process.

Preferably, two handles 700 are fixed on the transverse plate 103, and anti-slip pads are sleeved on the handles 700.

The handle 700 is convenient to pull, the transverse plate 103 can be moved, the friction force between the hands of an operator and the handle 700 can be increased through sleeving the anti-slip pad on the handle 700, and slipping between the hands of the operator and the handle 700 is avoided.

The foregoing detailed description of the utility model has been presented in conjunction with a specific embodiment, and it is not intended that the utility model be limited to such detailed description. Several equivalent substitutions or obvious modifications will occur to those skilled in the art to which this utility model pertains without departing from the spirit of the utility model, and the same should be considered to be within the scope of this utility model as defined in the appended claims.

Claims

1. The utility model provides an L type four-axis pneumatic clamp, includes support frame (100), its characterized in that: two positioning columns A (101) are fixed on the support frame (100), two fixing columns A (102) are fixed on the support frame (100), a transverse plate (103) is detachably connected on the support frame (100), two positioning columns B (104) are fixed on the transverse plate (103), four fixing columns B (105) are fixed on the transverse plate (103), two rotary pressing cylinders (300) are fixed on the support frame (100), four pressing assemblies (200) capable of being matched with and fixing an L-shaped workpiece are arranged on the transverse plate (103), and auxiliary mechanisms (400) capable of avoiding vibration of the L-shaped workpiece are arranged on the support frame (100) and the transverse plate (103);

the pressing assembly (200) comprises a pressing cylinder A (201) fixed on the lower surface of the transverse plate (103), two fixing plates (202) fixed on push rods of the pressing cylinder A (201), a fixing rod (203) fixed between the two fixing plates (202), a U-shaped block (204) fixed on the transverse plate (103), a connecting rod (205) fixed on the inner wall of the U-shaped block (204), a pressing plate (206) sleeved on the connecting rod (205) and a sliding groove (207) penetrating through the pressing plate (206), wherein the pressing plate (206) is in sliding fit with the fixing rod (203) through the sliding groove (207).

2. An L-shaped four-axis pneumatic clamp as defined in claim 1, wherein: the auxiliary mechanism (400) comprises six rubber columns (401) fixed on the transverse plates (103), two supporting cylinders (402) fixed on the supporting frame (100) and two circular plates (403) fixed at the end parts of push rods of the two supporting cylinders (402), and the height of the rubber columns (401) is larger than that of the fixed columns B (105).

3. An L-shaped four-axis pneumatic clamp as defined in claim 1, wherein: four threaded holes (500) are formed in the support frame (100), fixing holes (501) are formed in positions, corresponding to the threaded holes (500), of the transverse plates (103) in a penetrating mode, and bolts (502) are connected to the threaded holes (500) in a meshed mode.

4. An L-shaped four-axis pneumatic clamp as defined in claim 2, wherein: rubber pads (600) are fixed on the end part of the fixed column A (102), the upper end of the fixed column B (105), the lower pressure plate (206), the cross arm of the rotary lower pressure cylinder (300) and the circular plate (403), and anti-skidding patterns are arranged on the rubber pads (600).

5. An L-shaped four-axis pneumatic clamp as defined in claim 1, wherein: two handles (700) are fixed on the transverse plate (103), and anti-slip pads are sleeved on the handles (700).