CN114472631A - Arc bending machine for refrigerator compressor pipeline - Google Patents

Abstract

The invention relates to an arc bending machine for a refrigerator compressor pipeline, which comprises a workbench, a fixing device and a bending device, the upper end surface of the workbench is provided with the fixing device and the bending device, the invention can bend the pipelines of the refrigerator compressors with different diameters, thereby enlarging the application range of the machine, the invention can bend a plurality of refrigerator compressor pipelines at one time, avoids the problems of complicated operation and increased workload of workers caused by the traditional bending, the invention can lead the refrigerator compressor pipelines needing to be bent to be positioned at the same horizontal line position through the arranged movable frame, thereby guarantee that refrigerator compressor pipeline bending radian is unanimous, and after bending refrigerator compressor pipeline, can also promote a plurality of refrigerator compressor pipelines after bending simultaneously and carry out quick unloading.

Description

Arc bending machine for refrigerator compressor pipeline

Technical Field

The invention relates to the field of refrigerator compressor pipelines, in particular to an arc bending machine for a refrigerator compressor pipeline.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is a heart of a refrigeration system, and a compressor pipeline is one of important components of the compressor, which is called a 'blood vessel' of the compressor from now on, and sometimes needs to be bent according to design requirements.

The utility model discloses a chinese utility model patent of application number 201821431852.6 discloses a pipe bender, and this utility model designs to pass through the slider and slide on the recess of spacing post, and the scale on the while cooperation processing bench, the position that the pipe of bending was waited to bend is adjusted to the accuracy, drives the piece of bending through the rotation axis and moves along the arc wall and the restriction location of I-shaped wheel pair pipe, cooperates the bevel protractor on the arc wall simultaneously, can realize just can control the radian of bending to bending of pipe. However, such a bending method has the following problems:

1. when the compressor pipeline is bent, the bending machine only bends the compressor pipeline with the same specification and is not suitable for compressor pipelines with different sizes, so that the application range of the machine is reduced.

2. When bending the compressor pipeline, the bending machine can only bend the single compressor pipeline at one time, the bent compressor pipeline needs to be frequently loaded and unloaded in the mode, operation is complex, and the working efficiency of the compressor pipeline when bending is greatly reduced.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides an arc bending machine for a refrigerator compressor pipeline.

The technical scheme adopted by the invention to solve the technical problem is as follows: the arc bending machine for the refrigerator compressor pipeline comprises a workbench, a fixing device and a bending device, wherein the fixing device and the bending device are arranged on the upper end face of the workbench;

the fixing device comprises an Contraband-shaped plate, a rotating rod, a structural plate, arc-shaped sliding rails, a circular rod, a connecting plate, a driving frame, a spool and a clamping frame, wherein the upper end face of the workbench is provided with a Contraband-shaped plate with a downward opening, the Contraband-shaped plate is provided with the rotating rod through a bearing, the rotating rod is arranged along the 21274, the structural plate is uniformly distributed from left to right, the position of the rotating rod, which is close to the upper part, is fixedly provided with the structural plate, the arc-shaped sliding rails are arranged on the upper end face of the Contraband-shaped plate and positioned on the right side of each rotating rod, the circular rod is arranged in the arc-shaped sliding rails in a sliding manner, the top of the circular rod is fixedly connected with the bottom of the structural plate, the bottom of the rotating rod penetrates through the lower end face of the Contraband-shaped plate and then extends downwards, the rotating rod is fixedly connected with the circular rod through the connecting plate, the driving frame is arranged on the Contraband-shaped plate and positioned below the circular rod, the top of the structural plate is provided with the spool, the bottom center position of the spool is provided with a circular groove, a locking groove is formed in the inner wall of the first round groove along the circumferential direction, a second round groove is formed in the bottom of the rotating rod, and a clamping frame is arranged on the upper end face of the structural plate and located on the right side of the spool;

the bending device comprises a vertical plate, an annular cylinder, extension rods, arc-shaped plates, moving rods, swinging rods, an adjusting frame, a moving frame and a fixing frame, wherein the vertical plate is fixedly arranged on the upper end face of the Contraband-shaped plate and close to the rear part of the Contraband-shaped plate, a round through hole is uniformly formed in the vertical plate from left to right, the annular cylinder is fixedly arranged in the round through hole, a sliding groove is formed in the annular cylinder along the circumferential direction, the sliding grooves are uniformly distributed along the annular cylinder from back to front, the extension rods are arranged in the sliding grooves in a sliding mode, the arc-shaped plates are fixedly arranged on the extension rods arranged in each group from back to front together, the moving rods are arranged in the annular cylinder, the swinging rods are hinged to the moving rods along the circumferential direction through hinge pins, the swinging rods are uniformly distributed along the annular cylinder from back to front, one end of each swinging rod is hinged to one end of the extension rod through a hinge pin, the adjusting frame is arranged on the rear end face of the vertical plate, the preceding terminal surface of vertical board is provided with removes the frame, and the top central point of vertical board puts and is provided with the mount.

As a preferable technical scheme of the invention, the driving frame comprises a driven gear, an electric telescopic rod and a rack plate, the driven gear is fixedly installed on the rotating rod and below the horizontal section of the Contraband-shaped plate, the electric telescopic rod is fixedly installed on one vertical section of the Contraband-shaped plate, the rack plate is fixedly installed at the tail end of the electric telescopic rod, and the rack plate and the driven gear are in meshing transmission.

As a preferred technical scheme of the invention, the clamping frame comprises a square block, an electric push rod, a limiting rod, a return spring, a circular plate, a clamping block and a clamping block, wherein the square block is fixedly arranged at a position, close to the right side, on the top of the structural plate, the electric push rod is fixedly arranged on the left end surface of the square block, a moving groove is formed in the upper end surface of the structural plate and positioned between the rotating rod and the square block, the limiting rod is arranged in the moving groove in a sliding manner, the return spring is also fixedly arranged in the moving groove, the return spring is fixedly connected with the limiting rod, the circular plate is fixedly arranged on the limiting rod, the top of the limiting rod is in a spline shape, the detachable clamping block is arranged on the limiting rod, the right end of the clamping block is contacted with the moving end of the electric push rod, a semi-arc-shaped groove is formed in the left end of the clamping block, the spline groove is formed in the bottom of the clamping block, the clamping block is vertically and symmetrically and fixedly arranged on the left end of the clamping block, one end of the spool, which is close to the clamping block, is provided with clamping grooves which are matched with the clamping block in an up-and-down symmetrical manner.

As a preferred technical scheme of the invention, the adjusting frame comprises threaded rods, a rotating handle and an extrusion plate, the threaded rods are symmetrically and rotatably arranged on the left side and the right side of the rear end surface of the vertical plate, the rotating handle is fixedly arranged on the rear end surface of the threaded rods, the two threaded rods are jointly provided with the extrusion plate, the extrusion plate is in threaded connection with the threaded rods, and the rear end surfaces of the plurality of movable rods are fixedly connected with the front end surface of the extrusion plate.

As a preferred technical scheme, the moving frame comprises a second electric push rod, a baffle, a second round through hole, a telescopic spring rod and an arc-shaped block, the second electric push rod is fixedly installed on the left side and the right side of the front end face of the vertical plate symmetrically, the baffle is fixedly installed at the moving end of the second electric push rod together, the second round through hole is uniformly formed in the baffle from left to right, the arc-shaped plate penetrates through the second round through hole, the telescopic spring rod is uniformly and fixedly installed in the second round through hole along the circumferential direction, the arc-shaped block is fixedly installed at the tail end of the telescopic spring rod, and the inner wall of the arc-shaped block is contacted with the outer wall of the arc-shaped plate.

As a preferred technical scheme of the invention, the fixing frame comprises a fixing plate, an air cylinder and a rectangular plate, the fixing plate is fixedly installed at the center of the top of the vertical plate, the air cylinder is fixedly installed on the lower end face of the fixing plate, the rectangular plate is fixedly installed on the lower end face of the air cylinder, and the rectangular plate is located right above the plurality of I-shaped wheels.

According to a preferable technical scheme, the top of the spool and the clamping block is provided with a fixing groove, a first electromagnet is fixedly installed in the fixing groove, the bottom of the rectangular plate is provided with an installation groove corresponding to the position of the spool and the clamping block, and a second electromagnet is fixedly installed in the installation groove.

As a preferred technical scheme of the invention, the side wall of the arc-shaped plate is fixedly provided with a rubber pad, and the side wall of the rubber pad is uniformly and fixedly provided with arc-shaped bulges along the circumferential direction.

As a preferred technical scheme of the invention, a limiting groove is circumferentially formed in the position, close to the upper part, of the rotating rod, a locking block is arranged in the limiting groove in a sliding mode, a horizontal plate is fixedly installed at one end, located in the second round groove, of the locking block, the horizontal plate is fixedly connected with the inner wall of the second round groove through a compression spring, an air bag is fixedly installed in the second round groove, one end of the horizontal plate is fixedly connected with the air bag, an air pump is fixedly installed at the center of the upper end face of the workbench, circular tubes which are mutually communicated are fixedly installed at an air outlet of the air pump, a plurality of telescopic tubes which are mutually communicated are uniformly and fixedly installed on the circular tubes, and the upper ends of the telescopic tubes are rotatably connected with one ends of the air bag.

Compared with the prior art, the invention has the following advantages:

1. the bending machine can bend refrigerator compressor pipelines with different diameters, is suitable for refrigerator compressor pipelines with different specifications, and accordingly improves the application range of the machine.

2. According to the invention, the refrigerator compressor pipelines to be bent can be positioned at the same horizontal line position through the arranged movable frame, so that the consistent bending radian of the refrigerator compressor pipelines is ensured, and after the refrigerator compressor pipelines are bent, a plurality of bent refrigerator compressor pipelines can be simultaneously pushed to carry out rapid blanking.

3. The adjusting frame can push the arc-shaped plate to simultaneously support, clamp and fix a plurality of refrigerator compressor pipelines, so that the refrigerator compressor pipeline clamping device is suitable for refrigerator compressor pipelines with different diameters, and the clamping application range of machinery is enlarged.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view (from front to back) of the present invention.

Fig. 2 is a schematic perspective view (from back to front) of the present invention.

Fig. 3 is a main sectional structural view of the present invention.

Fig. 4 is an enlarged view of the portion of the invention in the direction of M in fig. 3.

Fig. 5 is an enlarged view of the invention from the N-direction of fig. 3.

Fig. 6 is an enlarged view of the invention in fig. 3 taken along line X.

Fig. 7 is a schematic top view of the present invention.

Fig. 8 is a schematic view of the connection structure of the bending apparatus of the present invention.

Fig. 9 is a schematic structural view of the clamping frame of the present invention when it is replaced.

Fig. 10 is a schematic diagram of the structure of the work object of the present invention.

In the figure: 1. a work table; 2. a fixing device; 21. contraband shaped plates; 22. rotating the rod; 221. a locking block; 222. a horizontal plate; 223. a compression spring; 224. an air bag; 225. an air pump; 226. a circular tube; 227. a telescopic pipe; 23. a structural panel; 24. an arc-shaped slide rail; 25. a circular rod; 26. a connecting plate; 27. a driving frame; 271. a driven gear; 272. an electric telescopic rod; 273. a rack plate; 28. a spool; 281. an electromagnet; 282. a second electromagnet; 29. a clamping frame; 291. a square block; 292. a first electric push rod; 293. a limiting rod; 294. a return spring; 295. a circular plate; 296. a clamping block; 297. a clamping block; 3. a bending device; 31. a vertical plate; 32. an annular cylinder; 33. an extension bar; 34. an arc-shaped plate; 341. a rubber pad; 342. an arc-shaped bulge; 35. a travel bar; 36. a swing lever; 37. an adjusting bracket; 371. a threaded rod; 372. rotating the handle; 373. a pressing plate; 38. a movable frame; 381. a second electric push rod; 382. a baffle plate; 383. a second circular through hole; 384. a telescoping spring rod; 385. an arc-shaped block; 39. a fixed mount; 391. a fixing plate; 392. a cylinder; 393. a rectangular plate.

Detailed Description

The present invention is further described in order to make the technical means, the creation features, the achievement purposes and the effects of the present invention easy to understand.

Referring to fig. 1, the arc bending machine for the refrigerator compressor pipeline comprises a workbench 1, a fixing device 2 and a bending device 3, wherein the fixing device 2 and the bending device 3 are arranged on the upper end face of the workbench 1;

referring to fig. 1, 2 and 3, the fixing device 2 includes an Contraband-shaped plate 21, a rotating rod 22, a structural plate 23, an arc-shaped sliding rail 24, a circular rod 25, a connecting plate 26, a driving frame 27, an i-shaped wheel 28 and a clamping frame 29, the upper end surface of the workbench 1 is provided with a Contraband-shaped plate 21 with a downward opening, the rotating rod 22 is installed on a Contraband-shaped plate 21 through a bearing, the rotating rods 22 are uniformly arranged along the Contraband-shaped plate 21 from left to right, the structural plate 23 is fixedly installed at a position, close to the upper side, of the rotating rod 22, the arc-shaped sliding rail 24 is arranged on the upper end surface of the Contraband-shaped plate 21 and located on the right side of each rotating rod 22, the circular rod 25 is slidably arranged in the arc-shaped sliding rail 24, the top of the circular rod 25 is fixedly connected with the bottom of the structural plate 23, the bottom of the rotating rod 22 extends downward after passing through the lower end surface of the Contraband-shaped plate 21, the rotating rod 22 is fixedly connected with the circular rod 25 through the connecting plate 26, a driving frame 27 is arranged on the Contraband-shaped plate 21 and below the circular rod 25, the top of the structural plate 23 is provided with a spool 28, the center of the bottom of the spool 28 is provided with a first circular groove, the inner wall of the first circular groove is circumferentially provided with a locking groove, the bottom of the rotating rod 22 is provided with a second circular groove, and the upper end surface of the structural plate 23 and the right side of the spool 28 are provided with a clamping frame 29;

referring to fig. 1, 3 and 6, a limiting groove is circumferentially formed in a position, close to the upper side, of the rotating rod 22, a locking block 221 is slidably arranged in the limiting groove, a horizontal plate 222 is fixedly installed at one end, located in the second circular groove, of the locking block 221, the horizontal plate 222 is fixedly connected with the inner wall of the second circular groove through a compression spring 223, an air bag 224 is fixedly installed in the second circular groove, one end of the horizontal plate 222 is fixedly connected with the air bag 224, an air pump 225 is fixedly installed at the center of the upper end face of the workbench 1, an air outlet of the air pump 225 is fixedly provided with a circular pipe 226 which is mutually communicated, a plurality of telescopic pipes 227 which are mutually communicated are uniformly and fixedly installed on the circular pipe 226, and the upper ends of the telescopic pipes 227 are rotatably connected with one end of the air bag 224;

when the spool 28 is sleeved on the top of the rotating rod 22, the air pump 225 blows air, the air inflates the air bag 224 through the extension tube 227 and the circular tube 226, the air bag 224 presses the horizontal plate 222, the horizontal plate 222 presses the compression spring 223, and meanwhile the horizontal plate 222 enables the locking block 221 to be clamped in the locking groove, so that displacement between the rotating rod 22 and the spool 28 is prevented;

referring to fig. 1, 3, 5 and 8, the bending device 3 includes a vertical plate 31, an annular cylinder 32, an extension rod 33, an arc plate 34, a moving rod 35, a swing rod 36, an adjusting frame 37, a moving frame 38 and a fixing frame 39, the position of the upper end surface of the Contraband-shaped plate 21 near the rear is fixedly provided with the vertical plate 31, the vertical plate 31 is uniformly provided with a circular through hole from left to right, the circular cylinder 32 is fixedly provided in the circular through hole, the annular cylinder 32 is circumferentially provided with a sliding groove, the sliding grooves are uniformly arranged along the annular cylinder 32 from the rear to the front, the extension rod 33 is slidably provided in the sliding groove, the arc plate 34 is fixedly provided on the extension rod 33 of each group from the rear to the front, the moving rod 35 is provided in the annular cylinder 32, the swing rod 36 is hinged on the moving rod 35 along the circumferential direction through a pin shaft, the swing rod 36 is uniformly arranged along the annular cylinder 32 from the rear to the front, one end of each swing rod 36 is hinged with one end of the extending rod 33 through a pin shaft, the rear end face of the vertical plate 31 is provided with an adjusting frame 37, the front end face of the vertical plate 31 is provided with a moving frame 38, and the top center of the vertical plate 31 is provided with a fixed frame 39.

Referring to fig. 3 and 4, a rubber pad 341 is fixedly mounted on a sidewall of the arc-shaped plate 34, and arc-shaped protrusions 342 are uniformly and fixedly mounted on a sidewall of the rubber pad 341 along a circumferential direction.

Firstly, proper I-shaped wheels 28 are replaced according to different diameters of refrigerator compressor pipelines to be bent, after replacement, the refrigerator compressor pipelines to be bent are sleeved on the arc-shaped plate 34 in batches, after the refrigerator compressor pipelines to be bent are sleeved, the rear ends of the refrigerator compressor pipelines to be bent are contacted with the movable frame 38, the refrigerator compressor pipelines to be bent are limited by the movable frame 38, the refrigerator compressor pipelines to be bent are positioned on the same horizontal line, the bending radian of the refrigerator compressor pipelines is consistent, after the refrigerator compressor pipelines are sleeved on the arc-shaped plate 34, the arc-shaped plate 34 is simultaneously clamped and fixed in an inner supporting mode by the aid of the arranged adjusting frame 37, friction can be increased through rubber pads 341 and arc-shaped protrusions 342 arranged on the arc-shaped plate 34, and the clamping effect of the refrigerator compressor pipelines is enhanced, after the clamping is fixed, the left end side wall of the refrigerator compressor pipeline is located in an I-shaped groove in the I-shaped wheel 28, the clamping frame 29 arranged at the moment is reused to limit the right end side wall of the refrigerator compressor pipeline, the rotating rod 22 is made to rotate by the aid of the driving frame 27 arranged at last, the rotating rod 22 drives the I-shaped wheel 28 to rotate, the rotating rod 22 enables the connecting plate 26 to drive the circular rod 25 to rotate in the arc-shaped sliding rail 24, the rotating rod 22 and the circular rod 25 simultaneously drive the structural plate 23 to rotate, meanwhile, the structural plate 23 drives the clamping frame 29 and the I-shaped wheel 28 to synchronously rotate, and bending of the refrigerator compressor pipeline is completed.

Referring to fig. 1 and 3, the driving rack 27 includes a driven gear 271, an electric telescopic rod 272 and a rack plate 273, the rotating rod 22 is provided with the driven gear 271 below the horizontal segment of the Contraband-shaped plate 21, one of the vertical segments of the Contraband-shaped plate 21 is fixedly provided with the electric telescopic rod 272, the end of the electric telescopic rod 272 is fixedly provided with the rack plate 273, and the rack plate 273 and the driven gear 271 are in meshing transmission.

After the side wall of the refrigerator compressor pipeline is clamped and limited by the I-shaped wheel 28 and the clamping frame 29, the electric telescopic rod 272 is started, the electric telescopic rod 272 drives the rack plate 273 to move, the rack plate 273 drives the driven gears 271 to rotate, the driven gears 271 drive the rotating rod 22 to rotate, and finally the refrigerator compressor pipeline is bent.

Referring to fig. 2, 3, 5 and 9, the clamping frame 29 includes a square block 291, a first electric push rod 292, a limiting rod 293, a return spring 294, a circular plate 295, a clamping block 296 and a clamping block 297, the square block 291 is fixedly installed at a position on the top of the structural plate 23 close to the right side, the first electric push rod 292 is fixedly installed on the left end surface of the square block 291, a moving groove is formed in the upper end surface of the structural plate 23 and located between the rotating rod 22 and the square block 291, the limiting rod 293 is slidably installed in the moving groove, the return spring 294 is fixedly connected with the limiting rod 293, the circular plate 295 is fixedly installed on the limiting rod 293, the top of the limiting rod 293 is in a spline shape, the detachable clamping block 296 is arranged on the limiting rod 293, the right end of the clamping block 296 is in contact with the moving end of the first electric push rod 292, a semi-arc groove is formed in the left end of the clamping block 296, the bottom of the clamping block 296 is provided with a spline groove, the left end of the clamping block 296 is vertically symmetrically and fixedly provided with a clamping block 297, and one end of the spool 28, which is close to the clamping block 296, is vertically symmetrically provided with a clamping groove matched with the clamping block 297.

When the I-shaped wheel 28 is replaced according to the different diameters of the refrigerator compressor pipeline which is bent as required, the clamping block 296 is replaced at the same time, the clamping block 296 is sleeved on the limiting rod 293, the clamping block 296 is supported through the circular plate 295 arranged on the limiting rod 293, after the refrigerator compressor pipeline is supported and clamped and fixed by the adjusting frame 37, the side wall of the left end of the refrigerator compressor pipeline is located in the I-shaped groove on the I-shaped wheel 28, the electric push rod 292 is started at the moment, the electric push rod 292 pushes the clamping block 296 to move leftwards, the clamping block 297 on the clamping block 296 is enabled to be just clamped in the clamping groove on the I-shaped wheel 28, and the refrigerator compressor pipeline can be clamped and limited better.

Referring to fig. 2 and 7, the adjusting bracket 37 includes a threaded rod 371, a rotary handle 372 and a squeezing plate 373, the left and right sides of the rear end surface of the vertical plate 31 are symmetrically rotated to form the threaded rod 371, the rotary handle 372 is fixedly mounted on the rear end surface of the threaded rod 371, the squeezing plates 373 are jointly arranged on the two threaded rods 371, the squeezing plates 373 and the threaded rods 371 are connected through threads, and the rear end surfaces of the moving rods 35 are fixedly connected with the front end surfaces of the squeezing plates 373.

After the refrigerator compressor pipeline cover that will bend need be established on the arc 34 and utilize removal frame 38 to carry on spacingly to it, make the refrigerator compressor pipeline that needs to bend be in same horizontal line position, rotatory twist grip 372 this moment, twist grip 372 drives threaded rod 371 and rotates, threaded rod 371 makes stripper plate 373 move forward, stripper plate 373 promotes a plurality of movable rods 35 simultaneously and removes in annular section of thick bamboo 32, movable rod 35 makes swinging arms 36 promote extension bar 33 and removes in the sliding tray, extension bar 33 promotes arc 34 and supports in carrying out simultaneously a plurality of refrigerator compressor pipelines and press from both sides tight fixedly, be applicable to the refrigerator compressor pipeline of different diameters size, thereby increase mechanical centre gripping application range.

Referring to fig. 1, 4, 5 and 7, the moving frame 38 includes a second electric push rod 381, a baffle 382, a second circular through hole 383, a telescopic spring rod 384 and an arc block 385, the second electric push rod 381 is fixedly installed on the left and right of the front end surface of the vertical plate 31, the moving end of the second electric push rod 381 is fixedly installed with the baffle 382 together, the second circular through hole 383 is uniformly opened on the baffle 382 from left to right, the arc plate 34 penetrates through the second circular through hole 383, the telescopic spring rod 384 is uniformly and fixedly installed in the second circular through hole 383 along the circumferential direction, the arc block 385 is fixedly installed at the tail end of the telescopic spring rod 384, and the inner wall of the arc block 385 contacts with the outer wall of the arc plate 34.

After bending the refrigerator compressor pipeline, starting the electric push rod 381 for two times, enabling the baffle 382 to simultaneously push the plurality of bent refrigerator compressor pipelines to perform rapid blanking through the arranged telescopic spring rod 384 and the arc block 385, and enabling the inner wall of the arc block 385 to be always in contact with the outer wall of the arc plate 34 through the telescopic spring rod 384 when the arc plate 34 is adjusted according to different diameters of the refrigerator compressor pipeline to be bent as required, so that blanking of the bent refrigerator compressor pipeline is facilitated.

Referring to fig. 1, 2 and 3, the fixing frame 39 includes a fixing plate 391, an air cylinder 392 and a rectangular plate 393, the fixing plate 391 is fixedly installed at the top center position of the vertical plate 31, the air cylinder 392 is fixedly installed on the lower end surface of the fixing plate 391, the rectangular plate 393 is fixedly installed on the lower end surface of the air cylinder 392, and the rectangular plate 393 is located right above the plurality of spools 28.

Referring to fig. 1 and 3, the top of the spool 28 and the clamping block 296 is provided with a fixing groove, a first electromagnet 281 is fixedly installed in the fixing groove, the bottom of the rectangular plate 393 is provided with a mounting groove corresponding to the positions of the spool 28 and the clamping block 296, and a second electromagnet 282 is fixedly installed in the mounting groove.

When the I-shaped wheels 28 and the clamping blocks 296 are replaced according to the different diameters of the refrigerator compressor pipelines which are bent as required, the air cylinder 392 is started, the air cylinder 392 drives the rectangular plate 393 to move downwards, the rectangular plate 393 is located right above the I-shaped wheels 28 and the clamping blocks 296, the first electromagnet 281 and the second electromagnet 282 are started at the moment, the two magnets are attracted, the simultaneous blanking of the I-shaped wheels 28 and the clamping blocks 296 is finished, and the replacement time of the I-shaped wheels 28 and the clamping blocks 296 is greatly saved.

The concrete during operation:

firstly, replacing a proper spool 28 and a proper clamping block 296 according to the diameter difference of a refrigerator compressor pipeline to be bent, wherein the spool 28 is sleeved on the top of the rotating rod 22, the clamping block 296 is sleeved on the limiting rod 293, and the clamping block 296 is supported by a circular plate 295 arranged on the limiting rod 293.

The second step, the refrigerator compressor pipeline that will bend this moment will be in batches establish on arc 34, after the cover is good for the rear end and the baffle 382 of the refrigerator compressor pipeline that need bend contact, carry on spacingly through baffle 382 to it, make the refrigerator compressor pipeline that needs bend be in same water flat line position, utilize the alignment jig 37 to support the tight fixed of clamp in refrigerator compressor pipeline at last.

Third, when the left end side wall of the refrigerator compressor pipeline is located in the I-shaped groove on the I-shaped wheel 28, start electric putter 292 No. one, electric putter 292 promotes to press from both sides tight 296 and move left, make the tight block 297 on pressing from both sides tight 296 just block the tight inslot on the I-shaped wheel 28, can be better press from both sides tight spacing to the refrigerator compressor pipeline, start electric telescopic handle 272 at last, electric telescopic handle 272 drives rack plate 273 and removes, make rack plate 273 drive a plurality of driven gear 271 and rotate, driven gear 271 drives dwang 22 and rotates, accomplish bending to the refrigerator compressor pipeline at last.

Fourthly, after the refrigerator compressor pipelines are bent, starting the second electric push rod 381, and enabling the baffle 382 to simultaneously push the bent refrigerator compressor pipelines to perform rapid blanking through the second electric push rod 381.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a refrigerator compressor pipeline arc bender, includes workstation (1), fixing device (2) and bending device (3), its characterized in that: the upper end surface of the workbench (1) is provided with a fixing device (2) and a bending device (3);

fixing device (2) include Contraband shaped plate (21), dwang (22), structural slab (23), arc slide rail (24), circular pole (25), connecting plate (26), driving frame (27), I-shaped wheel (28) and clamping frame (29), the up end of workstation (1) be provided with Contraband shaped plate (21) that the opening is decurrent, install dwang (22) through the bearing on shaped plate (21), dwang (22) are evenly arranged from left to right along Contraband shaped plate (21), position fixed mounting that dwang (22) are close to the top has structural slab (23), arc slide rail (24) have all been seted up on the up end of Contraband shaped plate (21) and the right side that is located every dwang (22), it is provided with circular pole (25) to slide in arc slide rail (24), the top of circular pole (25) and the bottom fixed connection of structural slab (23), and extend downwards behind the lower terminal surface that Contraband shaped plate (21) was passed to the bottom of circular pole (22), the rotating rod (22) and the circular rod (25) are fixedly connected through a connecting plate (26) to form 21274, a driving frame (27) is arranged on the shape plate (21) and below the circular rod (25), an I-shaped wheel (28) is arranged at the top of the structure plate (23), a first circular groove is formed in the center of the bottom of the I-shaped wheel (28), a locking groove is formed in the inner wall of the first circular groove along the circumferential direction, a second circular groove is formed in the bottom of the rotating rod (22), and a clamping frame (29) is arranged on the upper end face of the structure plate (23) and located on the right side of the I-shaped wheel (28);

the bending device (3) comprises a vertical plate (31), an annular cylinder (32), an extension rod (33), an arc plate (34), a moving rod (35), a swinging rod (36), an adjusting frame (37), a moving frame (38) and a fixing frame (39), wherein the upper end surface of the Contraband-shaped plate (21) is fixedly provided with the vertical plate (31) at a position close to the rear part, the vertical plate (31) is uniformly provided with a circular through hole from left to right, the circular cylinder (32) is fixedly provided in the circular through hole, the annular cylinder (32) is circumferentially provided with a sliding groove, the sliding grooves are uniformly distributed along the annular cylinder (32) from the rear part to the front part, the extension rods (33) are slidably provided in the sliding groove, the arc plate (34) is commonly and fixedly provided on the extension rods (33) arranged from the rear part to the front part of each group, the moving rod (35) is arranged in the annular cylinder (32), and the swinging rod (36) is hinged to the moving rod (35) along the circumferential direction through a pin shaft, the swing rods (36) are uniformly distributed from back to front along the annular cylinder (32), one end of each swing rod (36) is hinged to one end of the extending rod (33) through a pin shaft, the rear end face of the vertical plate (31) is provided with an adjusting frame (37), the front end face of the vertical plate (31) is provided with a moving frame (38), and the top center of the vertical plate (31) is provided with a fixed frame (39).

2. The refrigerator compressor pipe arc bending machine according to claim 1, wherein: drive frame (27) include driven gear (271), electric telescopic handle (272) and rack plate (273), dwang (22) on and be located Contraband shaped plate (21) horizontal segment below fixed mounting have driven gear (271), Contraband shaped plate (21) one of them vertical segment fixed mounting have electric telescopic handle (272), electric telescopic handle (272) terminal fixed mounting have rack plate (273), mesh transmission between rack plate (273) and driven gear (271).

3. The refrigerator compressor pipe arc bending machine according to claim 1, wherein: the clamping frame (29) comprises a square block (291), a first electric push rod (292), a limiting rod (293), a reset spring (294), a circular plate (295), a clamping block (296) and a clamping block (297), the top of the structural plate (23) is fixedly provided with the square block (291) at a position close to the right side, the left end face of the square block (291) is fixedly provided with the first electric push rod (292), the upper end face of the structural plate (23) is positioned between the rotating rod (22) and the square block (291) and provided with a moving groove, the limiting rod (293) is arranged in the moving groove in a sliding manner, the reset spring (294) is further fixedly arranged in the moving groove, the reset spring (294) is fixedly connected with the limiting rod (293), the circular plate (295) is fixedly arranged on the limiting rod (293), the top of the limiting rod (293) is in a spline shape, the detachable clamping block (296) is arranged on the limiting rod (293), the right-hand member of pressing from both sides tight piece (296) contacts with the removal end of an electric putter (292), and the left end of pressing from both sides tight piece (296) has seted up half arc recess, and the spline groove has been seted up to the bottom of pressing from both sides tight piece (296), and the left end of pressing from both sides tight piece (296) is symmetrical fixed mounting from top to bottom has chucking piece (297), and I-shaped wheel (28) are close to one of pressing from both sides tight piece (296) and are offered and block piece (297) matched with chucking groove from top to bottom symmetrically.

4. The refrigerator compressor pipe arc bending machine according to claim 1, wherein: the adjustable bracket (37) include threaded rod (371), twist grip (372) and stripper plate (373), the rear end face left and right sides symmetry of vertical board (31) rotate and be provided with threaded rod (371), the rear end face fixed mounting of threaded rod (371) has twist grip (372), be provided with stripper plate (373) on two threaded rods (371) jointly, through threaded connection between stripper plate (373) and threaded rod (371), the rear end face of a plurality of movable rods (35) and the preceding terminal surface fixed connection of stripper plate (373).

5. The refrigerator compressor pipe arc bending machine according to claim 1, wherein: remove frame (38) including No. two electric putter (381), baffle (382), No. two circular through-hole (383), telescopic spring pole (384) and arc piece (385), the preceding terminal surface bilateral symmetry fixed mounting of vertical board (31) have No. two electric putter (381), the common fixed mounting of removal end of No. two electric putter (381) has baffle (382), No. two circular through-hole (383) have evenly been seted up from left to right on baffle (382), arc piece (34) pass No. two circular through-hole (383), along the even fixed mounting in circumference telescopic spring pole (384) in No. two circular through-hole (383), the terminal fixed mounting of telescopic spring pole (384) has arc piece (385), the inner wall of arc piece (385) and the outer wall of arc piece (34) contact.

6. The refrigerator compressor pipe arc bending machine according to claim 3, wherein: the fixing frame (39) comprises a fixing plate (391), an air cylinder (392) and a rectangular plate (393), the fixing plate (391) is fixedly installed at the center of the top of the vertical plate (31), the air cylinder (392) is fixedly installed on the lower end face of the fixing plate (391), the rectangular plate (393) is fixedly installed on the lower end face of the air cylinder (392), and the rectangular plate (393) is located right above the plurality of spools (28).

7. The refrigerator compressor pipe arc bending machine according to claim 6, wherein: the fixed slot has been seted up at I-shaped wheel (28) and the top of pressing from both sides tight piece (296), fixed mounting has an electro-magnet (281) in the fixed slot, the bottom of rectangular plate (393) and for I-shaped wheel (28) and the position of pressing from both sides tight piece (296) seted up the mounting groove, fixed mounting has an electro-magnet (282) No. two in the mounting groove.

8. The refrigerator compressor pipe arc bending machine according to claim 1, wherein: the side wall of the arc-shaped plate (34) is fixedly provided with a rubber pad (341), and the side wall of the rubber pad (341) is uniformly and fixedly provided with arc-shaped bulges (342) along the circumferential direction.

9. The refrigerator compressor pipe arc bending machine according to claim 1, wherein: dwang (22) be close to the position of top and seted up the spacing groove along circumference, it is provided with latch segment (221) to slide in the spacing groove, one end fixed mounting that latch segment (221) are located No. two circular recesses has horizontal plate (222), through compression spring (223) fixed connection between the inner wall of horizontal plate (222) and No. two circular recesses, fixed mounting has gasbag (224) in No. two circular recesses, the one end and gasbag (224) fixed connection of horizontal plate (222), the up end central point of workstation (1) puts fixed mounting has air pump (225), the gas outlet fixed mounting of air pump (225) has circular pipe (226) of intercommunication each other, even fixed mounting has a plurality of flexible pipes (227) of intercommunication each other on circular pipe (226), the upper end of flexible pipe (227) and the one end rotation of gasbag (224) are connected.

Images