Clamping assembly for air conditioner four-way valve machining

Abstract

The utility model discloses a clamping assembly for machining a four-way valve of an air conditioner, and relates to the related technical field of air conditioning equipment. The four-way valve comprises a base plate, first clamping assemblies, second clamping assemblies, third clamping assemblies and a four-way valve body, the two first clamping assemblies are symmetrically arranged above the base plate, the four-way valve body is arranged between the two first clamping assemblies, the four-way valve body comprises a valve seat clamped between the two first clamping assemblies, an exhaust pipe is arranged on the periphery of the valve seat, and the exhaust pipe is arranged on the periphery of the valve seat. Three connecting pipes are arranged at the positions, opposite to the exhaust pipe, of the valve seat, a second clamping assembly is jointly arranged outside the three connecting pipes, and a third clamping assembly is arranged outside the exhaust pipe. Through the arrangement of the base plate, the first clamping assembly, the second clamping assembly and the third clamping assembly, the problems that when the four-way valve is clamped and installed, a corresponding positioning function is lacked, and the positions of all the assemblies cannot be accurately welded at the same time are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioning equipment related technical field, especially, it is related to a kind of clamping assembly of air conditioning four-way valve processing. BACKGROUND

[0002] Air conditioning four-way valve is indispensable component in refrigeration equipment, is controlled by solenoid valve, plays the role of automatic conversion cold and hot in air conditioning refrigeration system, can change the flow direction of refrigerant in pipeline, realizes the switching of air conditioning refrigeration or heating function;By the on-off of solenoid coil current, left or right valve plug is opened and closed, so that left and right capillary tubes can be used to control the pressure on both sides of valve body, so that the slider in valve body slides left and right under the action of pressure difference, thereby the flow direction of refrigerant is converted, the purpose of refrigeration or heating is achieved.The main part of four-way valve is composed of a valve seat and four copper pipes, one of the copper pipes is arranged opposite to three copper pipes, then a single copper pipe is connected to the exhaust port of compressor, among the three parallel copper pipes, the middle one is connected to the liquid storage tank, and the other two are connected to the evaporator and condenser respectively, these copper pipes need to be welded and fixed with the valve seat, but there are still the following disadvantages in actual processing:

[0003] Firstly, because the valve seat is welded with four copper pipes to form the main body of four-way valve, the copper pipes are connected to various accessories, and the copper pipes are usually welded and fixed one by one when welded with the valve seat, without special auxiliary clamping structure, so that the welding position of copper pipe and valve seat is not accurate enough, the welding precision of multiple copper pipes cannot be kept consistent, the copper pipes cannot be aligned and welded at the same time, and manual welding may have position deviation, offset and bending, etc., so that the position cannot be guaranteed to be accurate. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of clamping assembly of air conditioning four-way valve processing, by setting base plate, clamping assembly one, clamping assembly two, clamping assembly three, it solves the problem that the position of each component cannot be simultaneously accurately welded when four-way valve is clamped and installed.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model is a kind of clamping assembly of air conditioning four-way valve processing, including base plate, clamping assembly one, clamping assembly two, clamping assembly three and four-way valve main body, the upper portion of base plate is symmetrically provided with two clamping assembly one, four-way valve main body is arranged between two clamping assembly one, four-way valve main body includes the valve seat clamped between two clamping assembly one, the outer periphery of valve seat is provided with exhaust pipe, three connecting pipes are arranged at the position opposite exhaust pipe on valve seat, three connecting pipes are commonly provided with clamping assembly two outside, clamping assembly three is provided outside exhaust pipe;

[0007] The clamping assembly one comprises an arc-shaped die one and an arc-shaped die two located above the arc-shaped die one, and the arc-shaped die one and the arc-shaped die two jointly clamp the end of the valve seat.

[0008] The clamping assembly two comprises a lower die and an upper die located above the lower die, and three equidistant clamping grooves one are arranged between the opposite surfaces of the upper die and the lower die.

[0009] Further, the clamping assembly one further comprises a support plate fixed to the outer arc surface of the arc-shaped die one, the support plate is fixed to the upper end of the base plate, the upper end surface of the arc-shaped die one is provided with a threaded groove, and a threaded bolt is rotatably connected in the arc-shaped die two, and the tail end of the threaded bolt is screwed into the threaded groove.

[0010] Further, the opposite surfaces of the arc-shaped die one and the arc-shaped die two are provided with arc-shaped grooves, and the arc-shaped grooves are located on the side of the bolt and the threaded groove and close to the four-way valve body; the upper end of the arc-shaped die one is also fixed with a limiting rod symmetrically, and the upper end of the limiting rod penetrates the arc-shaped die one and extends out.

[0011] Further, the base plates below the clamping assembly two and the clamping assembly three are all provided with equidistant adjustment grooves, the middle part of the adjustment grooves is rotatably connected with a screw rod, one end of the screw rod away from the center of the base plate extends out of the base plate and is fixed with a hand wheel, and the two adjustment grooves on the two sides are both fixed with a sliding rod.

[0012] Further, the bottom of the lower die is fixed with three equidistant vertical columns, the bottom of the vertical column is fixed with a sliding block, the sliding block at the bottom of the vertical column in the middle part is threadedly connected with the screw rod, and the remaining two sliding blocks are movably connected with the sliding rod.

[0013] Further, the upper end of the upper die is fixed with a handle, the two short edges of the bottom of the upper die are fixed with insertion columns, the insertion columns are fixed with strong magnets two, the two short edges of the top of the lower die are provided with convex grooves, the inner bottom of the convex grooves is embedded with strong magnets one, and the strong magnets one and the strong magnets two are magnetically connected.

[0014] Further, the clamping assembly three is similar to the clamping assembly two, and the difference is that the clamping assembly three is provided with only one set of clamping grooves two for clamping the exhaust pipe.

[0015] Further, the connecting pipe and the exhaust pipe are both provided with alignment columns, and one end of the alignment column close to the valve seat is inserted into the valve seat.

[0016] The utility model has the following beneficial effects:

[0017] The utility model discloses a base plate, clamping assembly no. 1, clamping assembly no. 2, clamping assembly no. 3 are set up, solved the four -way valve installation when lack corresponding positioning function, the position of each component can not be simultaneously accurate welding problem, when the valve seat is connected with copper pipe in four -way valve, the exhaust pipe is placed in clamping assembly no. 3, then three connecting pipes are placed in clamping assembly no. 2 and are clamped, finally the valve seat is placed in two clamping assembly no. 1, and the both ends of valve seat are clamped and fixed, and the end of valve seat is placed in arc mould no. 1, and then arc mould no. 2 is pressed, and the bolt is rotated to the thread groove, until the valve seat end is clamped and fixed in arc mould no. 1 and arc mould no. 2, and the connecting pipe is placed between the upper die and the lower die in clamping assembly no. 2, and is in clamping groove no. 1, then, after the upper die cover is arranged on the lower die, the connecting pipe is clamped, the rotating screw rod makes the slider and the column and the lower die above it move, and is close to the valve seat, in this process, the calibration column is inserted into the connecting pipe / exhaust pipe and the corresponding welding port in the valve seat, until the connecting pipe end aligns and contacts the welding position of valve seat, realizes accurate synchronous docking, keeps the welding position accurate, and after welding, the connecting pipe and the exhaust pipe can be subjected to subsequent flaring, polishing and other operations, and one clamping assembly can complete multiple processes.

[0018] The utility model discloses whole operation is simple, manual operation can, and installation is also more convenient, and the volume is small, and it is convenient to use the clamping of four -way valve, and the cost is low, and it is fit to use widely. ACCURATELY

[0019] In order to make the technical scheme of the embodiments of the utility model more clearly, the following will briefly introduce the drawing needed to be used for the embodiment description.

[0020] Figure 1 It is the perspective view of the clamping assembly of air conditioner four -way valve processing after clamping for a kind of air conditioner four -way valve processing;

[0021] Figure 2 It is the state diagram when clamping for a kind of air conditioner four -way valve processing clamping assembly;

[0022] Figure 3 It is the structure diagram of base plate and clamping assembly no. 1;

[0023] Figure 4 It is the structure diagram of clamping assembly no. 1;

[0024] Figure 5 It is the structure diagram of clamping assembly no. 2;

[0025] Figure 6 It is Figure 5 The bottom view of;

[0026] Figure 7 It is the structure diagram of clamping assembly no. 3;

[0027] Figure 8 It is a structural view of a four-way valve body.

[0028] Reference signs:

[0029] 1, base plate; 101, adjusting groove; 102, screw rod; 1021, hand wheel; 103, sliding rod; 2, clamping assembly one; 201, arc-shaped die one; 2011, threaded groove; 202, arc-shaped die two; 2021, bolt; 203, support plate; 204, limiting rod; 205, arc-shaped groove; 3, clamping assembly two; 301, lower die; 3011, convex groove; 3012, strong magnet one; 302, upper die; 3021, handle; 3022, insertion column; 3023, strong magnet two; 303, column; 3031, sliding block; 304, clamping groove one; 4, clamping assembly three; 401, clamping groove two; 5, four-way valve body; 501, valve seat; 502, exhaust pipe; 503, connecting pipe; 6, calibration column. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0031] Please refer to Figures 1-8 The utility model discloses a kind of clamping assemblies for four-way valve machining of air conditioner, including base plate 1, clamping assembly one 2, clamping assembly two 3, clamping assembly three 4 and four-way valve body 5, two clamping assembly one 2 are symmetrically provided on the top of base plate 1, four-way valve body 5 is provided between the two clamping assembly one 2, four-way valve body 5 includes the valve seat 501 clamped between the two clamping assembly one 2, the outer periphery of valve seat 501 is provided with exhaust pipe 502, three connecting pipes 503 are provided at the position opposite exhaust pipe 502 on valve seat 501, three connecting pipes 503 are commonly provided with clamping assembly two 3 outside, clamping assembly three 4 is provided outside exhaust pipe 502;

[0032] Firstly, base plate 1 is placed on the workbench surface as a carrier, auxiliary installation clamping assembly one 2, clamping assembly two 3 and clamping assembly three 4, two clamping assembly one 2 are used to clamp and position the two ends of valve seat 501, the interval of two clamping assembly one 2 is equivalent to the length of valve seat 501;And valve seat 501 and its outer setting exhaust pipe 502 and three connecting pipes 503 form four-way valve body 5;Three connecting pipes 503 are clamped by using clamping assembly two 3 and kept synchronous, then exhaust pipe 502 is clamped by using clamping assembly three 4 and kept fixed, to facilitate subsequent clamping;

[0033] Clamping assembly one 2 includes arc-shaped die one 201 and arc-shaped die two 202 located above arc-shaped die one 201, the end of valve seat 501 is clamped between arc-shaped die one 201 and arc-shaped die two 202 collectively;

[0034] The two ends of the valve seat 501 are placed in the arc-shaped die one 201 of the two supporting assemblies, the arc-shaped die two 202 is pressed on the valve seat 501, and the arc-shaped die one 201 and the arc-shaped die two 202 are connected, so that the end of the valve seat 501 can be clamped;

[0035] The clamping assembly two 3 comprises a lower die 301 and an upper die 302 located above the lower die 301, and three equidistant clamping grooves one 304 are arranged between the opposite surfaces of the upper die 302 and the lower die 301;

[0036] The clamping assembly two 3 is used for clamping the connecting pipes 503, three connecting pipes 503 are placed in the clamping grooves one 304, and then the upper die 302 and the lower die 301 are combined, so that the synchronous clamping of the connecting pipes 503 is completed.

[0037] The clamping assembly one 2 further comprises a support plate 203 fixed to the outer arc surface of the arc-shaped die one 201, the support plate 203 is fixed to the upper end of the base plate 1, a threaded groove 2011 is arranged on the upper end surface of the arc-shaped die one 201, a through bolt 2021 is rotatably connected in the arc-shaped die two 202, and the tail end of the bolt 2021 is screwed into the threaded groove 2011;

[0038] The arc-shaped die one 201 is supported by the support plate 203 and located on the base plate 1, then the arc-shaped die two 202 is connected above the arc-shaped die one 201, the bolt 2021 is rotated into the threaded groove 2011 until it cannot be rotated, and the bolt 2021 is rotatably connected with the arc-shaped die two 202, the connection is smooth and non-threaded.

[0039] Arc-shaped grooves 205 are arranged on the opposite surfaces of the arc-shaped die one 201 and the arc-shaped die two 202, and the arc-shaped grooves 205 are located on one side of the bolt 2021 and the threaded groove 2011 and close to the four-way valve body 5; limit rods 204 are symmetrically fixed to the upper end of the arc-shaped die one 201, and the upper ends of the limit rods 204 penetrate through the arc-shaped die one 201 and extend out;

[0040] When the arc-shaped die two 202 is assembled, it is sleeved outside the limit rods 204 to limit the position and prevent the arc-shaped die two 202 from deviating during the descending process.

[0041] The base plate 1 below the clamping assembly two 3 and the clamping assembly three 4 is provided with equidistantly distributed adjusting grooves 101, a screw rod 102 is rotatably connected in the adjusting groove 101 in the middle, one end of the screw rod 102 away from the center of the base plate 1 extends out of the base plate 1 and is fixed with a hand wheel 1021, and two slide rods 103 are fixed in the adjusting grooves 101 on the two sides;

[0042] The adjusting groove 101 in the middle is used as the main adjusting part, and the adjusting grooves 101 on the two sides are matched with the slide rods 103 to keep the clamping assembly two 3 and the clamping assembly three 4 stable in operation.

[0043] The bottom of the lower mold 301 is fixed with three equidistantly distributed columns 303, the bottom of each column 303 is fixed with a sliding block 3031, the sliding block 3031 at the middle of the bottom of the column 303 is threadedly connected with the screw rod 102, and the remaining two sliding blocks 3031 are movably sleeved on the slide rod 103;

[0044] The lower mold 301 is supported by the columns 303, the bottom end of each column 303 is provided with a sliding block 3031 and placed in the adjusting groove 101 and connected with the corresponding screw rod 102 or slide rod 103 in the adjusting groove 101, when the screw rod 102 is rotated, the sliding block 3031 is linearly displaced, thereby controlling the synchronous displacement of the lower mold 301 and the connecting pipe 503 and the like above the lower mold 301 to approach the valve seat 501, and the other two sliding blocks 3031 are moved outside the slide rod 103 to remain stable.

[0045] Each clamping groove 304 is provided with a rubber pad, the upper end of the upper mold 302 is fixed with a handle 3021, the bottom of the upper mold 302 is fixed with two short edges, the two short edges are fixed with plug columns 3022, the plug columns 3022 are fixed with strong magnets 3023, the top of the lower mold 301 is provided with two short edges, the two short edges are provided with convex grooves 3011, the inner bottom of the convex grooves 3011 is embedded with strong magnets 3012, and the strong magnets 3012 and the strong magnets 3023 are magnetically connected;

[0046] The setting of the rubber pad can increase friction and keep stable during clamping, when the upper mold 302 and the lower mold 301 are connected, the plug columns 3022 are inserted into the upper part of the convex grooves 3011, the strong magnets 3012 and the strong magnets 3023 are magnetically attracted, the upper mold 302 and the lower mold 301 are magnetically fixed, and the upper mold 302 and the lower mold 301 are kept connected.

[0047] The clamping assembly three 4 and the clamping assembly two 3 are similar, and the difference is that the clamping assembly three 4 is provided with only one set of clamping grooves two 401 for clamping the exhaust pipe 502.

[0048] The connecting pipe 503 and the exhaust pipe 502 are provided with alignment columns 6, and one end of the alignment column 6 close to the valve seat 501 is inserted into the valve seat 501; the alignment column 6 is inserted into the connecting pipe 503 / exhaust pipe 502 and the corresponding welding port in the valve seat 501, which is more convenient for the precise butt joint of the connecting pipe 503 / exhaust pipe 502 and the valve seat 501, and the alignment column 6 can be removed after welding.

[0049] The specific working principle of the utility model is: firstly, two clamping assemblies one 2 are used for clamping and positioning two ends of the valve seat 501, the two ends of the valve seat 501 are placed in the arc-shaped die one 201 of two support assemblies one, then the arc-shaped die two 202 is pressed to above it, the arc-shaped die two 202 is sleeved on the limiting rod 204, the limiting is kept, then the bolt 2021 is rotated to the threaded groove 2011, until it cannot be rotated, then it is screwed, the valve seat 501 end part can be clamped; while the connecting pipe 503 is placed between the upper die 302 and the lower die 301 in the clamping assembly two 3, is in the clamping groove one 304, then after the upper die 302 is covered on the lower die 301, the inserting column 3022 is inserted in the upper part of the convex groove 3011, the strong magnet one 3012 and the strong magnet two 3023 are magnetically attracted, the magnetic attraction fixing of the upper die 302 and the lower die 301 is realized, the upper die 302 and the lower die 301 are kept connected, so that the connecting pipe 503 is clamped, similarly, the clamping assembly three 4 also uses the same operation to clamp the exhaust pipe 502; then the screw rod 102 is rotated, the sliding block 3031 is moved, so that the lower die 301 and the connecting pipe 503 above it are controlled to move synchronously, so that they are close to the valve seat 501, the other two sliding blocks 3031 are moved outside the slide rod 103, and are kept stable; in the process, the calibration column 6 is inserted into the connecting pipe 503 / exhaust pipe 502 in advance, and is inserted into the corresponding welding port in the valve seat 501, until the end part of the connecting pipe 503 is aligned and contacts the welding position of the valve seat 501, the precise synchronous butt joint is realized.

[0050] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification to the technical scheme recorded in the foregoing each embodiment, equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, all belong to the protection scope of the utility model.

Claims

1. A clamping assembly for processing an air conditioning four-way valve, comprising a base plate (1), a clamping assembly one (2), a clamping assembly two (3), a clamping assembly three (4), and a four-way valve body (5), characterized in that: Two clamping components (2) are symmetrically arranged above the substrate (1). A four-way valve body (5) is arranged between the two clamping components (2). The four-way valve body (5) includes a valve seat (501) clamped between the two clamping components (2). An exhaust pipe (502) is arranged on the outer periphery of the valve seat (501). Three connecting pipes (503) are arranged on the valve seat (501) at a position opposite to the exhaust pipe (502). A clamping component (3) is arranged outside the three connecting pipes (503). A clamping component (4) is arranged outside the exhaust pipe (502). The clamping assembly 1 (2) includes an arc-shaped mold 1 (201) and an arc-shaped mold 2 (202) located above the arc-shaped mold 1 (201), and the arc-shaped mold 1 (201) and the arc-shaped mold 2 (202) together clamp the end of the valve seat (501); The clamping component 2 (3) includes a lower mold (301) and an upper mold (302) located above the lower mold (301). Three clamping slots 1 (304) are provided between the opposite surfaces of the upper mold (302) and the lower mold (301).

2. The clamping assembly for machining an air conditioning four-way valve according to claim 1, characterized in that: The clamping assembly 1 (2) further includes a support plate (203) fixed on the outer arc surface of the arc mold 1 (201). The support plate (203) is fixed on the upper end of the base plate (1). The upper end surface of the arc mold 1 (201) is also provided with a threaded groove (2011). The arc mold 2 (202) has a through rotating connecting bolt (2021). The tail end of the bolt (2021) is screwed into the threaded groove (2011).

3. The clamping assembly for machining an air conditioning four-way valve according to claim 2, characterized in that: Arc-shaped grooves (205) are provided on the opposite surfaces of arc-shaped mold one (201) and arc-shaped mold two (202), and the arc-shaped grooves (205) are located on the side of the bolt (2021) and the thread groove (2011) and close to the four-way valve body (5); the upper end of arc-shaped mold one (201) is also symmetrically fixed with limit rods (204), and the upper end of the limit rods (204) passes through arc-shaped mold one (201) and extends out.

4. The clamping assembly for machining an air conditioning four-way valve according to claim 1, characterized in that: The base plate (1) below the clamping assembly 2 (3) and clamping assembly 3 (4) are provided with equidistant adjustment slots (101). A screw (102) is rotatably connected in the adjustment slot (101) in the middle part, and the end of the screw (102) away from the center of the base plate (1) extends out of the base plate (1) and is fixed with a handwheel (1021). A slide rod (103) is fixed in the two adjustment slots (101) on both sides.

5. The clamping assembly for machining an air conditioning four-way valve according to claim 4, characterized in that: The bottom of the lower mold (301) is fixed with three equally spaced columns (303), and the bottom of each column (303) is fixed with a slider (3031). The slider (3031) at the bottom of the middle column (303) is threadedly connected to the screw (102), and the remaining two sliders (3031) are sleeved on the outside of the slide rod (103) and are movably connected.

6. The clamping assembly for machining an air conditioning four-way valve according to claim 5, characterized in that: Each of the clamping slots (304) is provided with a rubber pad. The upper end of the upper mold (302) is fixed with a handle (3021). The two short sides of the bottom of the upper mold (302) are fixed with inserts (3022). A strong magnet (3023) is fixed inside the inserts (3022). The two short sides of the top of the lower mold (301) are provided with convex grooves (3011). A strong magnet (3012) is embedded and fixed in the bottom of the convex groove (3011). The strong magnet (3012) and the strong magnet (3023) are magnetically connected.

7. The clamping assembly for machining an air conditioning four-way valve according to claim 6, characterized in that: The clamping component three (4) is similar to the clamping component two (3), except that the clamping component three (4) is provided with only one set of clamping slot two (401) for clamping the exhaust pipe (502).

8. The clamping assembly for machining an air conditioning four-way valve according to claim 1, characterized in that: Both the connecting pipe (503) and the exhaust pipe (502) are equipped with calibration columns (6), and the end of the calibration column (6) near the valve seat (501) is inserted into the valve seat (501).

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