Pipeline necking device for refrigeration equipment M-way production

Abstract

The utility model discloses a pipeline necking device for refrigeration equipment M-way production, relates to the technical field of necking, and aims to solve the problems that an M-way pipe fitting is unstable to clamp, the necking effect is poor, the M-way pipe fitting can only be subjected to single-inner-diameter necking treatment at a time and the practicability is low due to the fact that a spring is prone to shaking under the vibration effect in the background technology. According to the scheme, the device comprises a base and an M-way pipe fitting, and an adjusting mechanism is arranged on the outer wall of the top of the base; the adjusting mechanism comprises two side plates fixedly arranged on the outer wall of the top of the base, a mounting table connected to the outer walls of the tops of the two side plates through bolts, a supporting plate fixedly arranged on the outer wall of the top of the base, an adjusting motor connected to one side of the supporting plate through bolts, a threaded rod and a threaded block. According to the M-way necking device, an M-way can be fixed during necking treatment, shaking of the M-way is prevented, the necking effect is improved, necking treatment of multiple calibers can be conducted on a single M-way, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of necking, in particular to a pipe necking device for M-pass production of refrigeration equipment. Background Art

[0002] M-way, that is, five-way pipe, when producing M-way pipe fittings for refrigeration equipment, the pipe needs to be narrowed according to the needs of different refrigeration equipment.

[0003] After searching, a Chinese patent (application number is "201922417044.5") discloses "a pipe shrinking device for M-pass production of refrigeration equipment". The above device includes a base, a press machine assembly is provided on the base, a fixed seat is connected to the base, a clamping seat is rotatably connected to the fixed seat, a torsion spring is sleeved on the clamping seat, and the two ends of the torsion spring are respectively fixedly connected to the fixed seat and the clamping seat, a clamping shaft is slidably connected to the clamping seat, a driving ring is slidably connected to the fixed seat, the driving ring matches the clamping shaft, a fixed plate is fixedly connected to the clamping shaft, a driving assembly for driving the driving ring to slide is provided on the fixed seat, and a second spring is sleeved on the clamping shaft. However, the above device has the following problems during use:

[0004] 1. When clamping and fixing the M-way pipe fitting, the spring is prone to shake under the action of vibration, resulting in unstable clamping of the M-way pipe fitting and poor shrinking effect;

[0005] 2. When shrinking the M-way pipe fitting, only a single inner diameter can be shrunk at a time, which is of low practicality. Utility Model Content

[0006] The utility model provides a pipe shrinking device for M-way production of refrigeration equipment, which solves the problem that the spring of the reference document is easy to shake under the action of vibration, resulting in unstable clamping of the M-way pipe fitting, poor shrinking effect, and only a single inner diameter of the M-way pipe fitting can be shrunken at a time, which has low practicality.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A pipe shrinking device for M-pass production of refrigeration equipment, comprising a base and an M-pass pipe fitting, wherein an adjusting mechanism is provided on the top outer wall of the base, wherein the adjusting mechanism comprises two side plates respectively fixed on the top outer wall of the base, a mounting platform connected to the top outer walls of the two side plates by bolts, a support plate fixed on the top outer wall of the base, an adjusting motor connected to the outer wall of one side of the support plate by bolts, a screw rod connected to the outer wall of one end of the output shaft of the adjusting motor by a coupling, and a threaded block screwed on the outer wall of the screw rod, wherein a mounting assembly is provided on the top of the mounting platform, wherein the mounting assembly comprises a connecting plate abutting against the top outer wall of the mounting platform, two sliding blocks respectively fixed on the bottom outer wall of the connecting plate, two limiting plates respectively fixed on the top outer wall of the connecting plate, and a top plate fixed on the top outer walls of the two limiting plates, wherein a lifting assembly is provided on the top of the connecting plate, wherein the lifting assembly comprises two lifting motors respectively connected to the top outer wall of the top plate by bolts, two screw rods respectively connected to the outer walls of the bottom ends of the output shafts of the two lifting motors by couplings, and two fixing blocks respectively fixed on the outer walls of one side of the two limiting plates , two connecting blocks respectively screwed on the outer walls of the two screw rods, fixed plates respectively fixed on the outer walls of the opposite sides of the two connecting blocks on both sides, a rotating table connected to the outer wall of the top of the fixing plate through a bearing, and a plurality of fixed rods respectively fixed on the outer wall of the top of the rotating table, an extrusion assembly is provided on the outer wall of the top of the top plate, the extrusion assembly includes an extrusion cylinder connected to the outer wall of the top of the top plate by bolts, a mounting block connected to the outer wall of the bottom end of the piston rod of the extrusion cylinder by bolts, and a limiting cylinder fixed on the outer wall of the bottom of the mounting block, a shrinking mechanism is provided on the top of the mounting table, the shrinking mechanism includes two mounting seats respectively fixed on the outer wall of the top of the mounting table, a rotating motor connected to the outer wall of one side of the mounting seat by bolts, a rotating disk, a plurality of connecting seats respectively fixed on the outer wall of the rotating disk, and a plurality of shrinking cylinders, a fixing assembly is provided on the top of the mounting table, the fixing assembly includes a fixing seat connected to the outer wall of one side of the two mounting seats by bolts, two fixed cylinders respectively connected to the outer wall of one side of the fixing seat by bolts, and two limiting blocks respectively fixed on the outer wall of one end of the piston rod of the fixed cylinder.

[0009] Preferably, the top of the support plate is fixed on the outer wall of the bottom of the mounting platform, one end of the screw is connected to the outer wall of one side of the side plate through a bearing, a slideway is opened on the outer wall at the center of the top of the mounting platform, and the threaded block is slidably installed in the slideway.

[0010] Preferably, limiting grooves are provided on both outer walls of the top of the mounting platform, and the two sliding blocks are slidably mounted in the two limiting grooves respectively.

[0011] Through the above scheme, the output shaft of the motor is adjusted to drive the screw to rotate, and the screw drives the threaded block to move, thereby driving the connecting plate and the top plate to move.

[0012] Preferably, the bottom ends of the two screw rods are respectively connected to the top outer walls of the two fixed blocks through bearings, channels are opened on the outer walls of one side of the two limit plates, and the two connecting blocks are respectively slidably installed in the two channels, and fastening bolts are screwed on the bottom outer walls of the fixed plates, and the fastening bolts form a tight fit with the rotating table.

[0013] Through the above scheme, the two lifting motor output shafts drive the two screws to rotate, and the screws drive the two connecting blocks, the fixing plate and the M-through pipe fitting to rise, so that the end of the M-through pipe fitting to be shrunken is concentric with the corresponding shrinking tube, and then the piston rod of the extrusion cylinder drives the limiting tube to descend, and the limiting tube limits and extrude the upper part of the M-through pipe fitting, approaches the shrinking tube and shrinks the M-through pipe fitting.

[0014] Preferably, the M-type tube is abutted against the outer wall of the top of the rotating table, and a plurality of fixing rods are respectively abutted against the outer walls of the M-type tube, and the limiting cylinder is slidably sleeved on the upper outer wall of the M-type tube.

[0015] Preferably, a rotating shaft is connected to the outer wall of one end of the rotating motor output shaft through a coupling, and one end of the rotating shaft is connected to the outer wall of one side of the mounting seat through a bearing, the rotating disk is fixed on the outer wall of the rotating shaft, a stud is fixed on the outer wall of one end of the shrinking tube, and the stud is screwed to the outer wall of one end of the connecting seat.

[0016] Preferably, one side of the two limit blocks is provided with an arc-shaped groove, and the outer walls of both sides of the two limit blocks are fixed with limit rods, the outer wall of one side of the two mounting seats is provided with two through holes, and the four limit rods are slidably installed in the four through holes respectively.

[0017] Through the above scheme, the rotating shaft and the rotating disk are driven to rotate by the rotation of the rotating motor output shaft, and the rotating disk drives multiple shrinking tubes corresponding to different calibers to rotate, so that the shrinking tubes that meet the production requirements correspond to the M-through pipe fittings, and then the two fixed cylinder piston rods move to drive the limit block to move, and the arc-shaped groove of the limit block contacts the outer wall of the rotating disk, and the limit block fixes the rotating disk.

[0018] The beneficial effects of the utility model are:

[0019] 1. A lifting assembly and an extrusion assembly are provided. The output shafts of the two lifting motors drive the two screws to rotate. The screws drive the two connecting blocks, the fixing plate and the M-through pipe fitting to rise, so that the end of the M-through pipe fitting to be shrunken is concentric with the corresponding shrinking cylinder. Then the piston rod of the extrusion cylinder drives the limiting cylinder to descend. The limiting cylinder limits and squeezes the upper part of the M-through pipe fitting. Then the M-through pipe fitting and the shrinking cylinder are close to each other and the M-through pipe fitting is shrunken. The M-through pipe fitting can be fixed during the shrinking process to prevent the M-through from shaking, thereby improving the shrinking effect.

[0020] 2. A shrinking mechanism and a fixed component are provided. The output shaft of the rotating motor drives the rotating shaft and the rotating disk to rotate. The rotating disk drives multiple shrinking tubes corresponding to different calibers to rotate, so that the shrinking tubes that meet the production requirements correspond to the M-type pipe fittings. Then the piston rods of the two fixed cylinders move to drive the limit blocks to move. The arc-shaped grooves of the limit blocks contact the outer wall of the rotating disk. The limit blocks fix the rotating disk and rotate the rotating table. The rotating table and multiple fixed rods drive the M-type pipe fittings to rotate, and the end to be shrunken corresponds to the shrinking tube. Multiple calibers can be shrunken on a single M-type pipe, which improves practicality.

[0021] In summary, the utility model can fix the M-type tube during the shrinking process to prevent the M-type tube from shaking, thereby improving the shrinking effect, and can perform shrinking processes of multiple calibers on a single M-type tube, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main three-dimensional structure of a pipe shrinking device for M-pass production of refrigeration equipment proposed by the utility model.

[0023] Figure 2 This is an exploded view of the regulating mechanism of a pipe shrinking device for M-pass production of refrigeration equipment proposed by the utility model.

[0024] Figure 3 This is a schematic diagram of the bottom view of the installation assembly of a pipe shrinking device for M-pass production of refrigeration equipment proposed by the utility model.

[0025] Figure 4 This is a schematic diagram of the structure of a lifting component of a pipe shrinking device for M-pass production of refrigeration equipment proposed by the utility model.

[0026] Figure 5 This is a schematic diagram of the structure of an extrusion component of a pipe shrinking device for M-pass production of refrigeration equipment proposed by the utility model.

[0027] Figure 6 The utility model discloses an exploded diagram of a shrinking mechanism of a pipe shrinking device for M-pass production of refrigeration equipment.

[0028] Figure 7 This is a schematic diagram of the test structure of the fixed components of a pipe shrinking device for M-pass production of refrigeration equipment proposed by the utility model.

[0029] In the figure: 1. base; 2. adjustment mechanism; 201. side plate; 202. mounting platform; 203. support plate; 204. adjustment motor; 205. screw rod; 206. threaded block; 3. mounting assembly; 301. connecting plate; 302. slider; 303. limit plate; 304. top plate; 4. lifting assembly; 401. lifting motor; 402. screw rod; 403. fixing block; 404. connecting block; 405. fixing plate; 406. rotating Table; 407, fixing rod; 5, extrusion assembly; 501, extrusion cylinder; 502, mounting block; 503, limiting cylinder; 6, M-type pipe fitting; 7, shrinking mechanism; 701, mounting seat; 702, rotating motor; 703, rotating shaft; 704, rotating disk; 705, connecting seat; 706, shrinking cylinder; 707, stud; 8, fixing assembly; 801, fixing seat; 802, fixing cylinder; 803, limiting block; 804, limiting rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] Example 1, reference Figure 1-3 A pipe shrinking device for M-pass production of refrigeration equipment includes a base 1 and an M-pass pipe fitting 6. An adjusting mechanism 2 is provided on the top outer wall of the base 1. The adjusting mechanism 2 includes two side plates 201 respectively fixed on the top outer wall of the base 1, a mounting platform 202 connected to the top outer walls of the two side plates 201 by bolts, a support plate 203 fixed on the top outer wall of the base 1, an adjusting motor 204 connected to the outer wall of one side of the support plate 203 by bolts, a screw 205 connected to the outer wall of one end of the output shaft of the adjusting motor 204 by a coupling, and a threaded block 206 screwed on the outer wall of the screw 205. The top of the support plate 203 is fixed on the bottom outer wall of the mounting platform 202. One end of the screw rod 205 is connected to the outer wall of one side of the side plate 201 through a bearing, a slideway is opened on the outer wall at the center of the top of the mounting platform 202, and the threaded block 206 is slidably installed in the slideway. A mounting assembly 3 is provided on the top of the mounting platform 202, and the mounting assembly 3 includes a connecting plate 301 abutting against the outer wall of the top of the mounting platform 202, two sliders 302 respectively fixed on the outer wall of the bottom of the connecting plate 301, two limit plates 303 respectively fixed on the outer wall of the top of the connecting plate 301 and a top plate 304 fixed on the outer wall of the top of the two limit plates 303. Limiting grooves are opened on the outer walls on both sides of the top of the mounting platform 202, and the two sliders 302 are slidably installed in the two limit grooves respectively.

[0032] Example 2, reference Figure 4-5A pipe shrinking device for refrigeration equipment M-pass production also includes a lifting assembly 4, which includes two lifting motors 401 respectively connected to the top outer wall of the top plate 304 by bolts, two screw rods 402 respectively connected to the outer wall of the bottom end of the output shaft of the two lifting motors 401 by couplings, two fixing blocks 403 respectively fixed on the outer wall of one side of the two limit plates 303, two connecting blocks 404 respectively screwed on the outer wall of the two screw rods 402, fixing plates 405 respectively fixed on the outer walls of the opposite sides of the two connecting blocks 404, a rotating table 406 connected to the top outer wall of the fixing plate 405 by bearings, and a plurality of fixing rods 407 respectively fixed on the top outer wall of the rotating table 406, the bottom ends of the two screw rods 402 are respectively connected to the two limit plates 303 by bearings On the top outer wall of a fixing block 403, channels are opened on the outer walls of one side of the two limit plates 303, and the two connecting blocks 404 are slidably installed in the two channels respectively. A fastening bolt is screwed on the bottom outer wall of the fixing plate 405, and the fastening bolt forms a fastening fit with the rotating table 406. An extrusion component 5 is provided on the top outer wall of the top plate 304, and the extrusion component 5 includes an extrusion cylinder 501 connected to the top outer wall of the top plate 304 by bolts, a mounting block 502 connected to the outer wall of the bottom end of the piston rod of the extrusion cylinder 501 by bolts, and a limiting cylinder 503 fixed on the bottom outer wall of the mounting block 502, an M-through pipe fitting 6 abuts against the top outer wall of the rotating table 406, and a number of fixing rods 407 respectively abut against the outer walls of the M-through pipe fitting 6, and the limiting cylinder 503 is slidably sleeved on the upper outer wall of the M-through pipe fitting 6.

[0033] Example 3, reference Figure 6-7A pipe shrinking device for refrigeration equipment M-pass production also includes a shrinking mechanism 7, which includes two mounting seats 701 respectively fixed on the outer wall of the top of the mounting platform 202, a rotating motor 702 connected to the outer wall of one side of the mounting seat 701 by bolts, a rotating disk 704, four connecting seats 705 respectively fixed on the outer wall of the rotating disk 704, and four shrinking cylinders 706. The outer wall of one end of the output shaft of the rotating motor 702 is connected with a rotating shaft 703 through a coupling, and one end of the rotating shaft 703 is connected to the outer wall of one side of the mounting seat 701 through a bearing. The rotating disk 704 is fixed on the outer wall of the rotating shaft 703. The shrinking cylinder 706 is a shrinking processing structure in the prior art. The four shrinking cylinders 706 can shrink four different A pipe of a certain diameter is provided, a stud 707 is fixedly arranged on the outer wall of one end of the tube 706, the stud 707 is screwed on the outer wall of one end of the connecting seat 705, a fixing assembly 8 is provided on the top of the mounting platform 202, the fixing assembly 8 comprises a fixing seat 801 connected to the outer wall of one side of two mounting seats 701 by bolts, two fixing cylinders 802 respectively connected to the outer wall of one side of the fixing seat 801 by bolts, and two limiting blocks 803 respectively fixedly arranged on the outer wall of one end of the piston rod of the fixing cylinder 802, one side of the two limiting blocks 803 are provided with a groove of arc structure, the outer walls of both sides of the two limiting blocks 803 are fixedly provided with limiting rods 804, the outer walls of one side of the two mounting seats 701 are provided with two through holes, and the four limiting rods 804 are respectively slidably installed in the four through holes.

[0034] Working principle: The output shafts of the two lifting motors 401 drive the two screw rods 402 to rotate, and the screw rods 402 drive the two connecting blocks 404, the fixing plate 405 and the M-through pipe fitting 6 to rise, so that the end of the M-through pipe fitting 6 to be shrunken is concentric with the corresponding shrinking tube, and then the piston rod of the extrusion cylinder 501 drives the limiting tube 503 to descend, and the limiting tube 503 limits and squeezes the upper part of the M-through pipe fitting 6, and the output shaft of the adjustment motor 204 drives the screw rod 205 to rotate, and the screw rod 205 drives the threaded block 206 to move, thereby driving the connecting plate 404 and the top plate 304 to move, and then the M-through pipe fitting 6 and the shrinking tube 706 approach each other and align the M-through pipe fitting 6 is subjected to shrinking treatment, the output shaft of the rotating motor 702 rotates to drive the rotating shaft 703 and the rotating disk 704 to rotate, and the rotating disk 704 drives multiple shrinking tubes 706 corresponding to different calibers to rotate, so that the shrinking tube 706 that meets the production requirements corresponds to the M-through pipe fitting 6, and then the piston rods of the two fixed cylinders 802 move to drive the limit block 803 to move, and the arc groove of the limit block 803 contacts the outer wall of the rotating disk 704, and the limit block 803 fixes the rotating disk 704, and rotates the rotating table 406. The rotating table 406 and multiple fixed rods 407 drive the M-through pipe fitting 6 to rotate, and the end to be shrunken corresponds to the shrinking tube 706.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pipe necking device for M-way production of refrigeration equipment, comprising a base (1) and an M-way pipe fitting (6), characterized in that: An adjusting mechanism (2) is provided on the top outer wall of the base (1), and the adjusting mechanism (2) comprises two side plates (201) respectively fixed on the top outer wall of the base (1), a mounting platform (202) connected to the top outer walls of the two side plates (201) by bolts, a support plate (203) fixed on the top outer wall of the base (1), an adjusting motor (204) connected to the outer wall of one side of the support plate (203) by bolts, a screw rod (205) connected to the outer wall of one end of the output shaft of the adjusting motor (204) by a coupling, and a threaded block (206) screwed to the outer wall of the screw rod (205); A mounting assembly (3) is provided on the top of the mounting platform (202), and the mounting assembly (3) comprises a connecting plate (301) abutting against the top outer wall of the mounting platform (202), two sliding blocks (302) respectively fixed on the bottom outer wall of the connecting plate (301), two limiting plates (303) respectively fixed on the top outer wall of the connecting plate (301), and a top plate (304) fixed on the top outer walls of the two limiting plates (303); A lifting assembly (4) is provided on the top of the connecting plate (301), and the lifting assembly (4) comprises two lifting motors (401) respectively connected to the outer wall of the top of the top plate (304) by bolts, two screw rods (402) respectively connected to the outer wall of the bottom ends of the output shafts of the two lifting motors (401) by couplings, two fixing blocks (403) respectively fixed on the outer wall of one side of the two limiting plates (303), two connecting blocks (404) respectively screwed on the outer walls of the two screw rods (402), a fixing plate (405) respectively fixed on the outer walls of the opposite sides of the two connecting blocks (404), a rotating platform (406) connected to the outer wall of the top of the fixing plate (405) by bearings, and a plurality of fixing rods (407) respectively fixed on the outer wall of the top of the rotating platform (406); An extrusion assembly (5) is provided on the top outer wall of the top plate (304), and the extrusion assembly (5) comprises an extrusion cylinder (501) connected to the top outer wall of the top plate (304) by bolts, a mounting block (502) connected to the outer wall of the bottom end of the piston rod of the extrusion cylinder (501) by bolts, and a limiting cylinder (503) fixedly arranged on the bottom outer wall of the mounting block (502); A shrinking mechanism (7) is provided on the top of the mounting platform (202), and the shrinking mechanism (7) comprises two mounting seats (701) respectively fixed on the outer wall of the top of the mounting platform (202), a rotating motor (702) connected to the outer wall of one side of the mounting seat (701) by bolts, a rotating disk (704), a plurality of connecting seats (705) respectively fixed on the outer wall of the rotating disk (704), and a plurality of shrinking cylinders (706); A fixing assembly (8) is provided on the top of the mounting platform (202), and the fixing assembly (8) comprises a fixing seat (801) connected to the outer wall of one side of the two mounting seats (701) by bolts, two fixing cylinders (802) respectively connected to the outer wall of one side of the fixing seat (801) by bolts, and two limit blocks (803) respectively fixed on the outer wall of one end of the piston rod of the fixing cylinder (802).

2. A pipe necking device for refrigeration equipment M-pass production according to claim 1, characterized in that: The top of the support plate (203) is fixedly mounted on the outer wall of the bottom of the mounting platform (202); one end of the screw rod (205) is connected to the outer wall of one side of the side plate (201) via a bearing; a slideway is provided on the outer wall at the center of the top of the mounting platform (202), and the threaded block (206) is slidably mounted in the slideway.

3. A pipe necking device for refrigeration equipment M-pass production according to claim 1, characterized in that: Limiting grooves are provided on both outer walls of the top of the mounting platform (202), and two sliding blocks (302) are slidably mounted in the two limiting grooves respectively.

4. A pipe necking device for refrigeration equipment M-pass production according to claim 1, characterized in that: The bottom ends of the two screw rods (402) are connected to the top outer walls of the two fixed blocks (403) through bearings, respectively. Channels are opened on the outer walls of one side of the two limit plates (303), and the two connecting blocks (404) are slidably installed in the two channels, respectively. The outer wall of the bottom of the fixed plate (405) is screwed with a fastening bolt, and the fastening bolt forms a tight fit with the rotating table (406).

5. A pipe necking device for refrigeration equipment M-pass production according to claim 1, characterized in that: The M-type tube member (6) is in contact with the outer wall of the top of the rotating platform (406), and a plurality of fixing rods (407) are respectively in contact with the outer wall of the M-type tube member (6), and the limiting cylinder (503) is slidably sleeved on the upper outer wall of the M-type tube member (6).

6. A pipe necking device for refrigeration equipment M-pass production according to claim 1, characterized in that: A rotating shaft (703) is connected to the outer wall of one end of the output shaft of the rotating motor (702) via a coupling, and one end of the rotating shaft (703) is connected to the outer wall of one side of the mounting seat (701) via a bearing. The rotating disk (704) is fixedly arranged on the outer wall of the rotating shaft (703). A stud (707) is fixedly arranged on the outer wall of one end of the shrinking cylinder (706), and the stud (707) is screwed to the outer wall of one end of the connecting seat (705).

7. A pipe necking device for refrigeration equipment M-pass production according to claim 1, characterized in that: One side of the two limit blocks (803) is provided with an arc-shaped groove, and the outer walls of both sides of the two limit blocks (803) are fixed with limit rods (804), and one side of the outer walls of the two mounting seats (701) is provided with two through holes, and the four limit rods (804) are slidably installed in the four through holes respectively.

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