Hydraulic clamp for machining pump body of engine cooling water pump

Abstract

The invention relates to the technical field of cooling water pump machining, and particularly discloses a hydraulic clamp for engine cooling water pump body machining, which comprises a machining table, a mounting notch and an annular notch are formed in the top of the machining table, the inner side of the mounting notch is communicated with the annular notch, and a rotating module is arranged in the mounting notch. The pipe opening of the pump body is primarily fixed preferentially, two sets of positioning modules are rotated through a rotating module, an acute triangle is formed between two sets of first clamping plates and one set of second clamping plates, the pump body is clamped and fixed through first hydraulic cylinders and second hydraulic cylinders, and the first clamping plates and the second clamping plates rotate, so that the pipe opening of the pump body is fixed through rotation of the first clamping plates and the second clamping plates. According to the pump body clamp, the clamping angle can be adjusted, the pump body clamp is better suitable for pump bodies of different specifications, the pipe opening fixing module is arranged, the clamping and fixing effect of the clamp on the pump body is enhanced, and the stability of the pump body and the connecting strength between the pump body and the clamp are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of cooling water pump processing, and in particular relates to a hydraulic clamp used for processing a pump body of an engine cooling water pump. Background Art

[0002] The cooling water pump is the main component for transporting cooling water in the closed-loop cooling system of an automobile engine. Its performance not only affects the power and economy of the automobile, but also affects the life of the entire machine. When processing the pump body of the engine cooling water pump, the pump body is often clamped and fixed. The existing hydraulic clamp has a fixed position and cannot adjust the clamping point according to the specifications of the pump body. In addition, the clamping of the pump body by the hydraulic clamp is often achieved through friction, and the clamping effect is insufficient. Summary of the invention

[0003] The object of the present invention is to provide a hydraulic clamp for machining a pump body of an engine cooling water pump, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A hydraulic clamp for machining a pump body of an engine cooling water pump comprises a machining table, a mounting notch and an annular notch are provided in the machining table, the inner side of the mounting notch is connected to the annular notch, the top of the annular notch passes through the machining table, a rotating module is provided in the mounting notch, the rotating module comprises a rotating ring 1, a rotating ring 2, a rotating ring 3, a tooth 1, a tooth 2 and a tooth 3, the rotating ring 1, the rotating ring 2 and the rotating ring 3 are arranged in sequence from bottom to top, the tooth 1, the tooth 2 and the tooth 3 are connected in a circumferential array to the top of the outer wall of the rotating ring 1, the top of the outer wall of the rotating ring 2 and the top of the outer wall of the rotating ring 3 respectively;

[0006] The inner wall of the rotating ring is connected with a nozzle fixing module, which includes a double-axis motor and a top head. The double-axis motor is located above the processing table, and the top head is symmetrically arranged on both sides of the double-axis motor.

[0007] The inner walls of the second rotating ring and the third rotating ring are both connected with positioning modules, and the positioning modules include a clamping plate 1, and the clamping plate 1 is arranged above the processing table;

[0008] A chip removal module is provided at the bottom of the processing table.

[0009] Preferably, the rotating module also includes a circular notch, a gear and a primary drive motor. The circular notch circular array is opened in the processing table, and the circular notch is connected to the installation notch. The gear and the primary drive motor are both arranged in the circular notch. The primary drive motor is fixedly connected to the processing table by a positioning bolt. The output shaft at the top of the primary drive motor is connected to the middle of the bottom surface of the gear. The primary drive motor located on the right side is turned on to drive the gear to rotate, so that the gear drives the rotating ring 1 and the vertical plate 2 to rotate, so that the circular rod corresponds to the pump body pipe mouth, the primary drive motor located on the front side is turned on to drive the rotating ring 2 to rotate, the primary drive motor located on the left side is turned on to drive the rotating ring 3 to rotate, so that the two groups of splints 1 rotate on the processing table, so that an acute triangle is formed between the two groups of splints 1 and the group of splints 2;

[0010] There are three groups of gears, and the three groups of gears are respectively flush with rotating ring one, rotating ring two, and rotating ring three, and the three groups of gears are respectively meshed and connected with tooth one, tooth two, and tooth three.

[0011] Preferably, the rotating module also includes a sliding ring groove and a sliding ring member. The sliding ring grooves are respectively opened on the bottom surfaces of rotating ring one, rotating ring two and rotating ring three. The sliding ring members are slidably fitted in the sliding ring grooves. The bottom end of the sliding ring member located at the top passes through the sliding ring groove and is connected to rotating ring two. The bottom end of the sliding ring member located in the middle passes through the sliding ring groove and is connected to rotating ring one. The bottom end of the sliding ring member located at the bottom passes through the sliding ring groove and is connected to the processing table. The stability of rotating ring one, rotating ring two and rotating ring three is guaranteed without affecting their rotation.

[0012] Preferably, the pipe mouth fixing module also includes vertical plate two, top plate, lifting plate, assembly plate, secondary drive motor and drive screw, vertical plate two is connected to the inner wall of rotating ring one, the top plate is connected to the top of one side of vertical plate two, the lifting plate is arranged below the top plate, the assembly plate is arranged below the lifting plate, and the assembly plate is connected to vertical plate two, the secondary drive motor is fixedly connected to the top of the top plate by positioning bolts, the top of the drive screw is connected to the output end of the secondary drive motor, and the bottom end of the drive screw passes through the top plate and the lifting plate in sequence, and is connected to the assembly plate, the drive screw is threadedly connected to the lifting plate through an external thread, and the secondary drive motor is turned on to rotate the drive screw, thereby driving the lifting plate and the circular rod to rise and fall, so that the circular rod corresponds to the inside of the pipe mouth.

[0013] Preferably, the pipe mouth fixing module also includes hydraulic cylinder 2, connecting plate 2, pressure sensor 2 and clamp 2. Hydraulic cylinder 2 is connected to one side of the lifting plate. Connecting plate 2 is connected to the output end of hydraulic cylinder 2. Clamp 2 is arranged on the side opposite to connecting plate 2 and hydraulic cylinder 2. Pressure sensor 2 is connected between clamp 2 and connecting plate 2. When hydraulic cylinder 2 is turned on, clamp 2 drives the circular rod to translate until the circular rod extends into the pipe mouth of the pump body. When clamp 2 contacts the pipe mouth, pressure sensor 2 is subjected to force, and pressure sensor 2 transmits data to the external terminal. The external terminal receives the data and controls hydraulic cylinder 2 to close.

[0014] Preferably, the nozzle fixing module also includes a circular rod, an assembly notch, a threaded rod and a sleeve, the circular rod is connected to the middle part of the side opposite to the second clamping plate and the second pressure sensor, the assembly notch is opened in the circular rod, and the assembly notch passes through the circular rod up and down, the double-axis motor is arranged in the assembly notch, and the double-axis motor is connected to the circular rod through a positioning bolt, the threaded rod is symmetrically arranged on both sides of the double-axis motor up and down, and the threaded rod is connected to the output end of the double-axis motor, the sleeve is sleeved on the outer wall of the threaded rod, and the threaded rod is threadedly connected to the sleeve through an external thread, and the outer wall of the sleeve and the circular rod are slidably matched, the double-axis motor is turned on, and the threaded rod is driven to rotate, so that the sleeve gradually extends out of the assembly notch, and the two groups of heads gradually move toward the inner wall of the nozzle of the pump body, when the head presses against the inner wall of the nozzle, the contact switch contacts the nozzle and transmits a signal to the peripheral terminal, the peripheral terminal receives the signal, and controls the double-axis motor to close the output end corresponding to the head, when both groups of contact switches are in contact with the nozzle, the two groups of heads press against the nozzle;

[0015] The second clamping plate is provided with a limiting notch symmetrically arranged in the upper and lower parts, and a limiting plate is slidably fitted in the limiting notch, and the limiting plate is connected to the sleeve to limit the sleeve and prevent the sleeve from rotating with the rotation of the threaded rod;

[0016] A device slot is provided in the middle of the spherical surface of the top head, and a contact switch is embedded in the device slot.

[0017] Preferably, the positioning module also includes a vertical plate 1, a hydraulic cylinder 1, a connecting plate 1 and a pressure sensor 1, the vertical plate 1 is respectively connected to the inner wall of the rotating ring 2 and the inner wall of the rotating ring 3, the hydraulic cylinder 1 is connected to one side of the vertical plate 1, the connecting plate 1 is connected to the output end of the hydraulic cylinder 1, the pressure sensor 1 is connected between the connecting plate 1 and the clamp 1, the first-stage driving motor located on the front side is turned on, so that the gear drives the rotating ring 2 to rotate, the first-stage driving motor located on the left side is turned on, so that the gear drives the rotating ring 3 to rotate, the two groups of clamps 1 are rotated on the processing table, and an acute-angle triangle is formed between the two groups of clamps 1 and one group of clamps 2, the hydraulic cylinder 1 is turned on, so that the clamp 1 is translated toward the pump body, when the clamp 1 contacts the pump body, the pressure sensor 1 is subjected to force and monitors, the pressure sensor 1 transmits data to the external terminal, the external terminal receives the data and controls the hydraulic cylinder 2 to open.

[0018] Preferably, the chip removal module includes a branch slot, a collection slot, a primary duct, a collection box, a blocking net, a secondary duct and a fan. The branch slot circular array is arranged in the processing table, and the branch slot is communicated with the annular slot. The collection slot is arranged at the lower part of the processing table, and the collection slot is communicated with the branch slot. The collection box is connected to the right side of the bottom of the processing table. The primary duct is connected between the processing table and the collection box, and the top of the primary duct is communicated with the gathering slot. The blocking net is connected to the collection box. The fan is arranged on the right side of the collection box, and the fan is connected to the processing table through a positioning bolt. The secondary duct is connected between the fan and the collection box. When the pump body is processed on the top of the workbench, for the debris falling into the annular slot, the fan is turned on to absorb the debris into the collection box through the branch slot, the gathering slot and the primary duct in turn, and the debris is blocked by the blocking net to prevent the debris from entering the secondary duct.

[0019] A sealed door is provided on the front side of the collection box, and the sealed door is located on the left side of the barrier. Open the sealed door to clean the debris in the collection box.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows: when the present invention is in use, the pipe mouth fixing module is used to preferentially fix the pipe mouth of the pump body, and the two groups of positioning modules are rotated through the rotating module, so that an acute triangle is formed between the two groups of clamps one and the group of clamps two, and the pump body is clamped and fixed by the clamps one and two through the hydraulic cylinders one and two, and the rotation of the clamps one and two makes the clamping angle adjustable, which is better suitable for pump bodies of different specifications, and the setting of the pipe mouth fixing module strengthens the clamping and fixing effect of the clamp on the pump body, improves the stability of the pump body and the connection strength between the pump body and the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a schematic diagram of a rotating ring of a hydraulic fixture used for machining an engine cooling water pump body.

[0022] Figure 2 The present invention is a schematic diagram of the installation notch of a hydraulic fixture used for machining the pump body of an engine cooling water pump.

[0023] Figure 3 The figure is a schematic diagram of a sliding ring of a hydraulic fixture used for machining an engine cooling water pump body.

[0024] Figure 4 The figure is a schematic diagram of the summary notch of a hydraulic fixture used for machining the engine cooling water pump body.

[0025] Figure 5 The figure is a schematic diagram of the overall structure of a hydraulic fixture used for machining an engine cooling water pump body.

[0026] Figure 6 The figure is a schematic diagram of the bottom structure of a hydraulic fixture used for machining an engine cooling water pump body.

[0027] Figure 7 The figure is a schematic diagram of a lifting plate of a hydraulic fixture used for machining an engine cooling water pump body.

[0028] Figure 8 The present invention is a schematic diagram of a limiting plate of a hydraulic fixture used for machining an engine cooling water pump body.

[0029] Fig. 9 The figure is a schematic diagram of a hydraulic clamp used for machining the pump body of an engine cooling water pump.

[0030] Fig.10 The present invention is a schematic diagram of a pressure sensor of a hydraulic fixture used for machining an engine cooling water pump body.

[0031] In the figure: 1, processing table; 2, installation notch; 3, annular notch; 4, rotating module; 41, rotating ring 1; 42, rotating ring 2; 43, rotating ring 3; 44, tooth 1; 45, tooth 2; 46, tooth 3; 47, circular notch; 48, gear; 49, primary drive motor; 410, sliding ring groove; 411, sliding ring; 5, nozzle fixing module; 51, double-axis motor; 52, top head; 53, vertical plate 2; 54, top plate; 55, lifting plate; 56, assembly plate; 57, secondary drive motor; 58, drive screw; 59, hydraulic cylinder 2; 510, connecting plate 2; 511, pressure sensor 2; 512, clamping plate 2; 513, circular rod; 514, assembly notch; 515, threaded rod; 516, sleeve; 517, limiting notch; 518, limiting plate; 6, positioning module; 61, clamping plate 1; 62, vertical plate 1; 63, hydraulic cylinder 1; 64, connecting plate 1; 65, pressure sensor 1; 7, chip removal module; 71, branch notch; 72, aggregation notch; 73, primary duct; 74, collection box; 75, screen; 76, secondary duct; 77, fan; 78, sealing door. DETAILED DESCRIPTION

[0032] Example 1

[0033] See also Figure 1-Figure 10As shown, a hydraulic clamp for machining a pump body of an engine cooling water pump comprises a machining table 1, a mounting notch 2 and an annular notch 3 are provided in the machining table 1, the inner side of the mounting notch 2 is connected to the annular notch 3, the top of the annular notch 3 passes through the machining table 1, a rotating module 4 is provided in the mounting notch 2, the rotating module 4 comprises a rotating ring 1 41, a rotating ring 2 42, a rotating ring 3 43, a tooth 1 44, a tooth 2 45 and a tooth 3 46, the rotating ring 1 41, the rotating ring 2 42 and the rotating ring 3 43 are arranged in sequence from bottom to top, the tooth 1 44, the tooth 2 45 and the tooth 3 46 are connected to the top of the outer wall of the rotating ring 1 41, the top of the outer wall of the rotating ring 2 42 and the top of the outer wall of the rotating ring 3 43 in a circumferential array respectively;

[0034] The inner wall of the rotating ring 1 41 is connected with a nozzle fixing module 5, which includes a double-axis motor 51 and a top head 52. The double-axis motor 51 is located above the processing table 1, and the top head 52 is symmetrically arranged on both sides of the double-axis motor 51;

[0035] The inner walls of the second rotating ring 42 and the third rotating ring 43 are both connected with a positioning module 6, and the positioning module 6 includes a clamping plate 1 61, and the clamping plate 1 61 is arranged above the processing table 1;

[0036] A chip removal module 7 is provided at the bottom of the processing table 1 .

[0037] refer to Figure 1-Figure 3 As shown, the rotating module 4 also includes a circular notch 47, a gear 48 and a primary driving motor 49. The circular notch 47 is arranged in a circular array in the processing table 1, and the circular notch 47 is communicated with the mounting notch 2. The gear 48 and the primary driving motor 49 are both arranged in the circular notch 47. The primary driving motor 49 is fixedly connected to the processing table 1 by a positioning bolt. The output shaft at the top of the primary driving motor 49 is connected to the middle part of the bottom surface of the gear 48. The primary driving motor 49 located on the right side is turned on to drive the gear 48 to rotate, so that the gear 48 drives the rotating ring 1 41 and the vertical plate 2 53 to rotate, so that the circular rod 513 corresponds to the pump body pipe mouth, the primary driving motor 49 located on the front side is turned on to drive the rotating ring 2 42 to rotate, and the primary driving motor 49 located on the left side is turned on to drive the rotating ring 3 43 to rotate, so that the two groups of clamping plates 1 61 rotate on the processing table 1, so that an acute triangle is formed between the two groups of clamping plates 1 61 and the group of clamping plates 2 512;

[0038] There are three groups of gears 48, and the three groups of gears 48 are flush with the rotating ring 1 41, the rotating ring 2 42, and the rotating ring 3 43 respectively, and the three groups of gears 48 are meshed and connected with the tooth 1 44, the tooth 2 45, and the tooth 3 46 respectively.

[0039] refer to Figure 3As shown, the rotating module 4 also includes a sliding ring groove 410 and a sliding ring member 411. The sliding ring grooves 410 are respectively opened on the bottom surfaces of the rotating ring 1 41, the rotating ring 2 42 and the rotating ring 3 43. The sliding ring members 411 are slidably fitted in the sliding ring grooves 410. The bottom end of the sliding ring member 411 located at the top passes through the sliding ring groove 410 and is connected to the rotating ring 2 42. The bottom end of the sliding ring member 411 located in the middle passes through the sliding ring groove 410 and is connected to the rotating ring 1 41. The bottom end of the sliding ring member 411 located at the bottom passes through the sliding ring groove 410 and is connected to the processing table 1. The stability of the rotating rings 1 41, 2 42 and 3 43 is guaranteed without affecting the rotation of the rotating rings 1 41, 2 42 and 3 43.

[0040] refer to Figure 1-Figure 3 , Figure 5 , Figure 7 and Figure 8 As shown, the nozzle fixing module 5 also includes a vertical plate 2 53, a top plate 54, a lifting plate 55, an assembly plate 56, a secondary driving motor 57 and a driving screw 58. The vertical plate 2 53 is connected to the inner wall of the rotating ring 1 41, the top plate 54 is connected to the top of one side of the vertical plate 2 53, the lifting plate 55 is arranged below the top plate 54, the assembly plate 56 is arranged below the lifting plate 55, and the assembly plate 56 is connected to the vertical plate 2 53, the secondary driving motor 57 is fixedly connected to the top of the top plate 54 by a positioning bolt, the top of the driving screw 58 is connected to the output end of the secondary driving motor 57, and the bottom end of the driving screw 58 sequentially penetrates the top plate 54 and the lifting plate 55, and is connected to the assembly plate 56, the driving screw 58 is threadedly connected to the lifting plate 55 by an external thread, the secondary driving motor 57 is turned on, the driving screw 58 is rotated, and the lifting plate 55 and the circular rod 513 are driven to rise and fall, so that the circular rod 513 corresponds to the inside of the nozzle.

[0041] refer to Figure 1-Figure 3 , Figure 5 , Figure 7 and Figure 8 As shown, the pipe mouth fixing module 5 also includes a hydraulic cylinder 2 59, a connecting plate 2 510, a pressure sensor 2 511 and a clamp 2 512. The hydraulic cylinder 2 59 is connected to one side of the lifting plate 55, the connecting plate 2 510 is connected to the output end of the hydraulic cylinder 2 59, the clamp 2 512 is arranged on the side opposite to the connecting plate 2 510 and the hydraulic cylinder 2 59, and the pressure sensor 2 511 is connected between the clamp 2 512 and the connecting plate 2 510. When the hydraulic cylinder 2 59 is turned on, the clamp 2 512 drives the circular rod 513 to translate until the circular rod 513 extends into the pipe mouth of the pump body. When the clamp 2 512 contacts the pipe mouth, the pressure sensor 2 511 is subjected to force, and the pressure sensor 2 511 transmits data to the external terminal, and the external terminal receives the data and controls the hydraulic cylinder 2 59 to close.

[0042] refer to Figure 1-Figure 3 , Figure 5 , Figure 7 and Figure 8 As shown, the nozzle fixing module 5 also includes a circular rod 513, an assembly notch 514, a threaded rod 515 and a sleeve 516. The circular rod 513 is connected to the middle part of the side opposite to the second clamping plate 512 and the second pressure sensor 511. The assembly notch 514 is opened in the circular rod 513, and the assembly notch 514 passes through the circular rod 513 from top to bottom. The dual-axis motor 51 is arranged in the assembly notch 514, and the dual-axis motor 51 is connected to the circular rod 513 through a positioning bolt. The threaded rod 515 is symmetrically arranged on both sides of the dual-axis motor 51 from top to bottom, and the threaded rod 515 is connected to the output end of the dual-axis motor 51. The sleeve 516 is sleeved on the threaded rod 515. The outer wall of the threaded rod 515 is threadedly connected with the sleeve 516 through the external thread, and the outer wall of the sleeve 516 is slidably matched with the circular rod 513. The double-axis motor 51 is turned on to drive the threaded rod 515 to rotate, so that the sleeve 516 gradually extends out of the assembly slot 514, and the two groups of plugs 52 gradually move toward the inner wall of the pump body pipe mouth. When the plug 52 presses against the inner wall of the pipe mouth, the contact switch contacts the pipe mouth and transmits the signal to the external terminal. The external terminal receives the signal and controls the double-axis motor 51 to close the output end corresponding to the plug 52. When both groups of contact switches are in contact with the pipe mouth, the two groups of plugs 52 press against the pipe mouth.

[0043] The second clamping plate 512 has a limiting notch 517 symmetrically formed in the upper and lower parts. A limiting plate 518 is slidably fitted in the limiting notch 517. The limiting plate 518 is connected to the sleeve 516 to limit the sleeve 516 and prevent the sleeve 516 from rotating with the rotation of the threaded rod 515.

[0044] A device slot is provided in the middle of the spherical surface of the top head 52, and a contact switch is embedded in the device slot.

[0045] refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 and Fig.10As shown, the positioning module 6 also includes a vertical plate 1 62, a hydraulic cylinder 1 63, a connecting plate 1 64 and a pressure sensor 1 65. The vertical plate 1 62 is respectively connected to the inner wall of the rotating ring 2 42 and the inner wall of the rotating ring 3 43. The hydraulic cylinder 1 63 is connected to one side of the vertical plate 1 62. The connecting plate 1 64 is connected to the output end of the hydraulic cylinder 1 63. The pressure sensor 1 65 is connected between the connecting plate 1 64 and the clamping plate 1 61. The primary driving motor 49 located at the front side is turned on to make the gear 48 drive the rotating ring 2 42 to rotate. Turn on the first-stage driving motor 49 on the left side, so that the gear 48 drives the rotating ring three 43 to rotate, so that the two groups of splints 61 rotate on the processing table 1, so that an acute triangle is formed between the two groups of splints 61 and one group of splint two 512, and turn on the hydraulic cylinder 1 63 to make the splint 1 61 translate toward the pump body. When the splint 1 61 contacts the pump body, the pressure sensor 1 65 is subjected to force and monitors. The pressure sensor 1 65 transmits data to the external terminal, and the external terminal receives the data and controls the hydraulic cylinder 2 59 to open.

[0046] refer to Figure 4-Figure 6 and Fig. 9 As shown, the chip removal module 7 includes a branch slot 71, a collection slot 72, a primary conduit 73, a collection box 74, a screen 75, a secondary conduit 76 and a fan 77. The branch slots 71 are arranged in a circular array in the processing table 1, and the branch slots 71 are connected to the annular slot 3. The collection slot 72 is arranged at the bottom of the processing table 1, and the collection slot 72 is connected to the branch slot 71. The collection box 74 is connected to the right side of the bottom of the processing table 1. The primary conduit 73 is connected between the processing table 1 and the collection box 74, and the top of the primary conduit 73 is connected to the collection slot. The pump body is connected to the annular notch 3, the blocking net 75 is connected to the collecting box 74, the fan 77 is arranged on the right side of the collecting box 74, and the fan 77 is connected to the processing table 1 through the positioning bolts, and the secondary conduit 76 is connected between the fan 77 and the collecting box 74. When the pump body is processed on the top of the working table 1, for the debris falling into the annular notch 3, the fan 77 is turned on to absorb the debris into the collecting box 74 through the branch notch 71, the collecting notch 72, and the primary conduit 73 in sequence, and the debris is blocked by the blocking net 75 to prevent the debris from entering the secondary conduit 76;

[0047] A sealing door 78 is provided at the front side of the collection box 74 , and the sealing door 78 is located on the left side of the blocking net 75 . The sealing door 78 is opened to clean the debris in the collection box 74 .

[0048] Working principle: Place the engine cooling water pump body on the top of the processing table 1, turn on the first-level driving motor 49 on the right side, drive the gear 48 to rotate, so that the gear 48 drives the rotating ring 1 41 and the vertical plate 2 53 to rotate, so that the circular rod 513 corresponds to the pump body pipe mouth, turn on the second-level driving motor 57, drive the driving screw 58 to rotate, drive the lifting plate 55 and the circular rod 513 to rise and fall, so that the circular rod 513 corresponds to the inside of the pipe mouth, turn on the hydraulic cylinder 2 59, so that the clamping plate 2 512 drives the circular rod 513 to translate until the circular rod 513 is aligned with the inner part of the pipe mouth. The shaped rod 513 extends into the nozzle of the pump body. When the second clamp plate 512 contacts the nozzle, the second pressure sensor 511 is stressed. The second pressure sensor 511 transmits data to the external terminal. The external terminal receives the data and controls the second hydraulic cylinder 59 to close and the dual-axis motor 51 to start, driving the threaded rod 515 to rotate, so that the sleeve 516 gradually extends out of the assembly slot 514, and the two sets of plugs 52 gradually move toward the inner wall of the nozzle of the pump body. When the plugs 52 press against the inner wall of the nozzle, the contact switch contacts the nozzle and transmits the signal to the external terminal. The external terminal receives the signal and controls The double-axis motor 51 is controlled to close the output end corresponding to the plug 52. When both sets of contact switches are in contact with the pipe mouth, the two sets of plugs 52 hold the pipe mouth, and the first-stage driving motor 49 located on the front side is turned on, so that the gear 48 drives the rotating ring 2 42 to rotate, and the first-stage driving motor 49 located on the left side is turned on, so that the gear 48 drives the rotating ring 3 43 to rotate, so that the two sets of clamping plates 1 61 rotate on the processing table 1, so that the two sets of clamping plates 1 61 and the one set of clamping plates 2 512 form an acute triangle, and the hydraulic cylinder 1 63 is turned on, so that the clamping plate 1 61 moves toward the pump body. When the clamping plate 1 61 contacts the pump body, the pressure sensor 1 65 is subjected to force and is monitored. The pressure sensor 1 65 transmits data to the external terminal. The external terminal receives the data and controls the hydraulic cylinder 2 59 to open, so that the two groups of clamping plates 1 61 and the group of clamping plates 2 512 are translated synchronously to ensure the clamping effect and stability of the pump body. When the pressure sensor 1 65 and the pressure sensor 2 511 reach the preset value, the data is transmitted to the external terminal. The external terminal receives the data and controls the hydraulic cylinder 1 63 and the hydraulic cylinder 2 59 to close, thereby realizing the clamping positioning of the pump body;

[0049] When the pump body is processed on the top of the workbench 1, for the debris falling into the annular groove 3, the fan 77 is turned on to absorb the debris into the collection box 74 through the branch groove 71, the collecting groove 72, and the primary conduit 73 in sequence, and the debris is blocked by the blocking net 75 to prevent the debris from entering the secondary conduit 76. After the processing is completed, the sealing door 78 is opened to facilitate the cleaning of the debris in the collection box 74.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic fixture for machining an engine cooling water pump body, comprising a machining table (1), characterized in that: A mounting notch (2) and an annular notch (3) are provided in the processing table (1); the inner side of the mounting notch (2) is connected to the annular notch (3); the top of the annular notch (3) passes through the processing table (1); a rotating module (4) is provided in the mounting notch (2); the rotating module (4) comprises a rotating ring 1 (41), a rotating ring 2 (42), a rotating ring 3 (43), a tooth 1 (44), a tooth 2 (45) and a tooth 3 (46); the rotating ring 1 (41), the rotating ring 2 (42) and the rotating ring 3 (43) are arranged in sequence from bottom to top; the tooth 1 (44), the tooth 2 (45) and the tooth 3 (46) are respectively connected in a circumferential array to the top of the outer wall of the rotating ring 1 (41), the top of the outer wall of the rotating ring 2 (42) and the top of the outer wall of the rotating ring 3 (43); The inner wall of the rotating ring (41) is connected to a nozzle fixing module (5), the nozzle fixing module (5) comprises a double-axis motor (51) and a top head (52), the double-axis motor (51) is located above the processing table (1), and the top head (52) is symmetrically arranged on both sides of the double-axis motor (51); The inner walls of the second rotating ring (42) and the third rotating ring (43) are both connected to a positioning module (6), the positioning module (6) comprises a clamping plate (61), and the clamping plate (61) is arranged above the processing table (1); A chip removal module (7) is provided at the bottom of the processing table (1).

2. A hydraulic clamp for machining an engine cooling water pump body according to claim 1, characterized in that: The rotating module (4) further comprises a circular notch (47), a gear (48) and a primary drive motor (49); the circular notch (47) is arranged in a circular array in the processing table (1), and the circular notch (47) is connected to the mounting notch (2); the gear (48) and the primary drive motor (49) are both arranged in the circular notch (47); the primary drive motor (49) is fixedly connected to the processing table (1) by a positioning bolt, and the output shaft at the top of the primary drive motor (49) is connected to the middle of the bottom surface of the gear (48); The gears (48) are provided with three groups, and the three groups of gears (48) are respectively flush with the rotating ring 1 (41), the rotating ring 2 (42), and the rotating ring 3 (43), and the three groups of gears (48) are respectively meshed and connected with the tooth 1 (44), the tooth 2 (45), and the tooth 3 (46).

3. A hydraulic clamp for machining an engine cooling water pump body according to claim 1, characterized in that: The rotating module (4) further comprises a sliding ring groove (410) and a sliding ring member (411). The sliding ring groove (410) is respectively arranged on the bottom surface of the rotating ring 1 (41), the bottom surface of the rotating ring 2 (42) and the bottom surface of the rotating ring 3 (43). The sliding ring member (411) is slidably fitted in the sliding ring groove (410). The bottom end of the sliding ring member (411) located at the top passes through the sliding ring groove (410) and is connected to the rotating ring 2 (42). The bottom end of the sliding ring member (411) located in the middle passes through the sliding ring groove (410) and is connected to the rotating ring 1 (41). The bottom end of the sliding ring member (411) located at the bottom passes through the sliding ring groove (410) and is connected to the processing table (1).

4. A hydraulic clamp for machining an engine cooling water pump body according to claim 1, characterized in that: The nozzle fixing module (5) further comprises a second vertical plate (53), a top plate (54), a lifting plate (55), an assembly plate (56), a secondary driving motor (57) and a driving screw (58); the second vertical plate (53) is connected to the inner wall of the first rotating ring (41); the top plate (54) is connected to the top of one side of the second vertical plate (53); the lifting plate (55) is arranged below the top plate (54); the assembly plate (56) is arranged below the lifting plate (55); and the assembly plate (56) is connected to the second vertical plate (53); the secondary driving motor (57) is fixedly connected to the top of the top plate (54) by means of positioning bolts; the top of the driving screw (58) is connected to the output end of the secondary driving motor (57); and the bottom of the driving screw (58) sequentially passes through the top plate (54) and the lifting plate (55) and is connected to the assembly plate (56); and the driving screw (58) is threadedly connected to the lifting plate (55) by means of external threads.

5. A hydraulic clamp for machining an engine cooling water pump body according to claim 4, characterized in that: The pipe nozzle fixing module (5) also includes a second hydraulic cylinder (59), a second connecting plate (510), a second pressure sensor (511) and a second clamping plate (512). The second hydraulic cylinder (59) is connected to one side of the lifting plate (55), the second connecting plate (510) is connected to the output end of the second hydraulic cylinder (59), the second clamping plate (512) is arranged on the side of the second connecting plate (510) opposite to the second hydraulic cylinder (59), and the second pressure sensor (511) is connected between the second clamping plate (512) and the second connecting plate (510).

6. A hydraulic clamp for machining an engine cooling water pump body according to claim 5, characterized in that: The nozzle fixing module (5) further comprises a circular rod (513), an assembly notch (514), a threaded rod (515) and a sleeve (516); the circular rod (513) is connected to the middle part of the side opposite to the second clamping plate (512) and the second pressure sensor (511); the assembly notch (514) is arranged in the circular rod (513), and the assembly notch (514) passes through the circular rod (513) from top to bottom; the dual-axis motor (51) is arranged in the assembly notch (514) ), and the dual-axis motor (51) is connected to the circular rod (513) through positioning bolts, the threaded rod (515) is symmetrically arranged on both sides of the dual-axis motor (51) from top to bottom, and the threaded rod (515) is connected to the output end of the dual-axis motor (51), the sleeve (516) is sleeved on the outer wall of the threaded rod (515), and the threaded rod (515) is threadedly connected to the sleeve (516) through an external thread, and the outer wall of the sleeve (516) and the circular rod (513) are slidably matched; A limiting notch (517) is symmetrically provided in the second clamping plate (512) in the upper and lower parts, a limiting plate (518) is slidably fitted in the limiting notch (517), and the limiting plate (518) is connected to the sleeve (516); A device notch is provided in the middle of the spherical surface of the top head (52), and a contact switch is embedded in the device notch.

7. The hydraulic clamp for machining an engine cooling water pump body according to claim 1, characterized in that: The positioning module (6) also includes a vertical plate (62), a hydraulic cylinder (63), a connecting plate (64) and a pressure sensor (65). The vertical plate (62) is respectively connected to the inner wall of the rotating ring (42) and the inner wall of the rotating ring (43). The hydraulic cylinder (63) is connected to one side of the vertical plate (62). The connecting plate (64) is connected to the output end of the hydraulic cylinder (63). The pressure sensor (65) is connected between the connecting plate (64) and the clamp (61).

8. The hydraulic clamp for machining an engine cooling water pump body according to claim 1, characterized in that: The chip removal module (7) comprises a branch slot (71), a collection slot (72), a primary conduit (73), a collection box (74), a screen (75), a secondary conduit (76) and a fan (77); the branch slots (71) are arranged in a circular array in the processing table (1), and the branch slots (71) are connected to the annular slot (3); the collection slot (72) is arranged at the lower part of the processing table (1), and the collection slot (72) is connected to the branch slot (71); the collection box (74) is provided with a secondary conduit (76) and a fan (77); The box (74) is connected to the right side of the bottom of the processing table (1), the primary conduit (73) is connected between the processing table (1) and the collection box (74), and the top of the primary conduit (73) is connected to the collection slot (72), the blocking net (75) is connected to the collection box (74), the fan (77) is arranged on the right side of the collection box (74), and the fan (77) is connected to the processing table (1) through a positioning bolt, and the secondary conduit (76) is connected between the fan (77) and the collection box (74); A sealing door (78) is provided at the front side of the collecting box (74), and the sealing door (78) is located on the left side of the blocking net (75).

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