Automatic press-fitting device for water pump

Abstract

The utility model relates to an automatic press-fitting device for a water pump, which comprises a feeding assembly, the feeding assembly comprises a feeding plate, a sliding plate and a bearing unit, the sliding plate is movably arranged at the top of the feeding plate, the bearing unit is fixed at the top of the sliding plate, and the bearing unit is used for bearing an isolation sleeve; and the press-fitting assembly comprises a press-fitting frame erected above the feeding plate, a lifting plate arranged at the bottom of the press-fitting frame in a lifting mode and a pressing rod fixed to the bottom of the lifting plate, and the pressing rod is used for pressing the pump shaft into the isolation sleeve. The automatic press-fitting device for the water pump is simple in structure and high in automation degree, compared with manual press-fitting, the press-fitting efficiency is greatly improved, it can be guaranteed that the pressure of press-fitting each time is kept consistent, then it is guaranteed that the pressure of press-fitting of a pump shaft and the pressure of press-fitting of an isolation sleeve each time are kept consistent, and the press-fitting efficiency is improved. The condition of excessive press fitting or not-in-place press fitting is avoided, and the qualified rate of finished products after press fitting is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to automatic assembly equipment technical field, concretely relates to an automatic press fitting device for water pump. BACKGROUND

[0002] Water pump is the mechanical of conveying liquid or making liquid pressure. It transmits the mechanical energy of prime mover or other external energy to liquid, makes liquid energy increase, and is mainly used to convey liquid including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal etc.

[0003] The isolation sleeve of water pump plays a vital role in the water pump system, the isolation sleeve can effectively prevent the liquid in the pump from leaking into the motor, thereby protecting the motor from damage, improving safety performance and prolonging the service life of the water pump.

[0004] The pump shaft of water pump is the main way of transmitting the power of motor to the pump body, the rotating force of motor is transmitted to the pump body through bearing, driving the impeller, partition plate, flow channel and other components in the pump body, thereby generating pressure or flow.

[0005] In the assembly process of water pump, the pump shaft needs to be assembled in the isolation sleeve, the existing press fitting still adopts manual operation, the manual press fitting efficiency is low, cannot satisfy the assembly of large quantities of products, and the press fitting force of different operators is different, the depth of each press fitting cannot be guaranteed to be consistent, and the conditions of over-press fitting or under-press fitting are prone to occur. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of automatic press fitting device for water pump, solve the defects of low efficiency and unable to guarantee finished product pass rate of manual press fitting.

[0007] To achieve the above purpose, the utility model adopts the technical scheme that a kind of automatic press fitting device for water pump, it includes:

[0008] Feeding assembly, the feeding assembly includes feeding plate, movablely arranged on the top of the feeding plate sliding plate and fixed on the top of the sliding plate bearing unit, the bearing unit is used to bear isolation sleeve;

[0009] Press fitting assembly, the press fitting assembly includes the press fitting frame erected above the feeding plate, the lifting plate liftablely arranged on the bottom of the press fitting frame and the press rod fixed on the bottom of the lifting plate, the press rod is used to press into pump shaft in isolation sleeve.

[0010] Optimally, the bearing unit includes the load plate fixed on the top of the sliding plate, the avoidance slot opened in the top of the load plate, the positioning block fixed at intervals on the top of the load plate and the positioning slot opened on the opposite side of the positioning block, the isolation sleeve is placed in positioning slot and avoidance slot.

[0011] Optimally, the press-fitting assembly further comprises a finger cylinder fixed at the bottom of the lifting plate, a clamping plate connected with the finger cylinder, and a clamping groove opened on the side of the clamping plate facing each other, the clamping groove being used for clamping the pump shaft.

[0012] Optimally, the press-fitting assembly further comprises a transition block fixed at the top of the lifting plate, a transition groove opened at the bottom of the transition block, a pressure sensor fixed at the top of the lifting plate and located in the transition groove, a through hole penetrating through the transition block and connected with the transition groove, a connecting rod movably penetrating through the through hole, and a contact block fixed at the bottom of the connecting rod and matched with the pressure sensor, the diameter of the contact block being greater than that of the through hole.

[0013] Optimally, the press-fitting assembly further comprises a second adjusting plate fixed on the press-fitting frame in a height-adjustable manner, a second adjusting groove penetrating through the second adjusting plate, a pressing plate fixed at the top of the second adjusting plate, and a guide portion obliquely opened at the bottom of the pressing plate.

[0014] When the sliding plate moves to the bottom of the lifting plate, the isolation sleeve abuts against the bottom of the pressing plate.

[0015] Optimally, the feeding assembly further comprises a first vertical plate fixed at one side of the feeding plate, an infrared emitter fixed at the top of the first vertical plate, a second vertical plate fixed at the other side of the feeding plate, a first adjusting plate adjustably arranged at the top of the second vertical plate, and an infrared receiver fixed at the top of the first adjusting plate and matched with the infrared emitter, the first adjusting plate moving towards the side close to the infrared emitter or moving towards the side away from the infrared emitter.

[0016] Optimally, the feeding assembly further comprises a feeding sliding rail fixed at the top of the feeding plate, a feeding sliding block slidingly mounted on the feeding sliding rail, a backing plate fixed at the top of the feeding sliding block, a photoelectric sensor fixed at one side of the feeding plate in a spaced manner, and a sensing sheet fixed on the backing plate and matched with the photoelectric sensor, the sliding plate being fixed at the top of the backing plate.

[0017] Optimally, the feeding assembly further comprises mounting plates fixed at both sides of the feeding plate, and an oil buffer fixed at the top of the mounting plates and matched with the sliding plate.

[0018] Optimally, the press-fitting assembly further comprises a guide sleeve embedded at the top of the press-fitting frame, a guide column penetrating through the guide sleeve and fixed at the top of the lifting plate, a connecting plate fixed at the top of the guide column, and a lifting cylinder fixed at the top of the press-fitting frame and used for driving the lifting plate to lift, the connecting rod being connected with the piston rod of the lifting cylinder.

[0019] Thanks to the use of the above technical scheme, the present application has the following advantages over the prior art:

[0020] The automatic press-fitting device for water pump is used for press-fitting, the isolating sleeve to be press-fitted is first placed on the feeding assembly, the isolating sleeve is transferred to the lower side of the press-fitting assembly by the feeding assembly, and finally the pump shaft is press-fitted into the isolating sleeve by the press-fitting assembly, compared with manual press-fitting, the efficiency of press-fitting is greatly improved, the pressure of each press-fitting can be guaranteed to be consistent, the pressure of the press-fitting of the pump shaft and the isolating sleeve each time is guaranteed to be consistent, the conditions of excessive press-fitting or press-fitting not in place are avoided, and the qualified rate of finished products after press-fitting is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the isolating sleeve of the water pump;

[0022] Figure 2 It is another angle structure schematic view of the isolating sleeve of the water pump;

[0023] Figure 3 It is a structure schematic view of the utility model;

[0024] Figure 4 It is a structure schematic view of the feeding assembly of the utility model;

[0025] Figure 5 It is a front view of the feeding assembly of the utility model;

[0026] Figure 6 It is a top view of the feeding assembly of the utility model;

[0027] Figure 7 It is a structure schematic view of the press-fitting assembly of the utility model;

[0028] Figure 8 It is a front view of the press-fitting assembly of the utility model;

[0029] Figure 9 It is a partial structure schematic view of the utility model;

[0030] Figure 10 It is a partial structure schematic view of the utility model;

[0031] Figure 11 It is the utility model Figure 8 It is an enlarged view of A in the utility model;

[0032] Figure 12 It is a structure schematic view of the press plate of the utility model;

[0033] BRIEF DESCRIPTION OF DRAWINGS

[0034] 1, feeding assembly; 101, feeding plate; 102, feeding slide rail; 103, feeding slide block; 104, backing plate; 105, slide plate; 106, rodless cylinder; 107, inductive sheet; 108, photoelectric sensor; 109, mounting plate; 110, oil buffer; 111, carrier plate; 112, avoiding groove; 113, positioning block; 114, positioning groove; 115, through groove; 116, first vertical plate; 117, infrared emitter; 118, second vertical plate; 119, first adjusting groove; 120, first adjusting plate; 121, infrared receiver;

[0035] 2, pressing assembly; 201, pressing frame; 202, guide sleeve; 203, guide column; 204, lifting plate; 205, connecting plate; 206, lifting cylinder; 207, connecting rod; 208, transition block; 209, transition groove; 210, through hole; 211, contact block; 212, pressure sensor; 213, pressing rod; 214, finger cylinder; 215, clamping plate; 216, clamping groove; 217, second adjusting plate; 218, second adjusting groove; 219, pressing plate; 220, guide part;

[0036] 3, isolation sleeve;

[0037] 4, pump shaft. DETAILED DESCRIPTION

[0038] The utility model will be further described below in combination with the embodiments shown in the drawings.

[0039] As Figure 3 shown, it is the structure schematic diagram of automatic pressing device for water pump of the utility model, the device is usually used for pressing pump shaft 4 in isolation sleeve 3. The device includes feeding assembly 1 and pressing assembly 2, and the pressing assembly 2 is erected above the feeding assembly 1, and the isolation sleeve 3 to be pressed is placed on the feeding assembly 1, which is transferred to the lower side of the pressing assembly 2 by the feeding assembly 1, and finally the pump shaft 4 is pressed into the isolation sleeve 3 by the pressing assembly 2.

[0040] As Figures 4-6 shown, the feeding assembly 1 includes feeding plate 101, feeding slide rail 102, feeding slide block 103, backing plate 104, slide plate 105, rodless cylinder 106, inductive sheet 107, photoelectric sensor 108, mounting plate 109, oil buffer 110, carrier plate 111, avoiding groove 112, positioning block 113, positioning groove 114, through groove 115, first vertical plate 116, infrared emitter 117, second vertical plate 118, first adjusting groove 119, first adjusting plate 120 and infrared receiver 121. The feeding plate 101 is fixed on the pressing machine table by screw fastening, and the feeding slide rail 102 has two, which are fixed on the top of the feeding plate 101 by screw fastening.

[0041] The feeding slide block 103 is slidingly installed on the feeding slide rail 102. By setting the feeding slide rail 102 and the feeding slide block 103 in cooperation with each other, the position accuracy of the sliding plate 105 during movement can be improved, and then the accuracy and precision of the press fitting can be improved. The backing plate 104 is fixed on the top of the feeding slide block 103, and the sliding plate 105 is fixed on the top of the backing plate 104 by screw fastening. The backing plate 104 is used for installing the sensing sheet 107 on one side, and is used for supporting the sliding plate 105 on the other side, so as to provide space for the installation of the rodless cylinder 106 (as shown in Figures 4-6 . In order to facilitate the display of details, the backing plate 104 and the sliding plate 105 are separated, but in actual use, the sliding plate 105 is fixed on the top of the backing plate 104.

[0042] The rodless cylinder 106 is fixed on the top of the feeding plate 101 and located between the two feeding slide rails 102. The rodless cylinder 106 drives the sliding plate 105 to move, and then the sliding plate 105 carrying the isolation sleeve 3 is transferred to the position directly below the press fitting assembly 2, so as to facilitate the press fitting of the pump shaft 4.

[0043] The photoelectric sensor 108 is fixed on one side of the feeding plate 101 by screw fastening, and the sensing sheet 107 is fixed on one side of the backing plate 104 and cooperates with the photoelectric sensor 108. The two limit positions of the sliding plate 105 during movement are limited, and the precision of the press fitting position is improved.

[0044] The mounting plate 109 has two pieces and is fixed on the two sides of the feeding plate 101. The oil buffer 110 is fixed on the top of the mounting plate 109 and cooperates with the sliding plate 105. When the sliding plate 105 moves to the two limit positions, it will be in contact with the oil buffer 110 respectively. The oil buffer 110 can reduce vibration and noise in automatic mechanical operation, convert the kinetic energy generated by the moving object into heat energy and release it into the atmosphere, and effectively stop the object during movement.

[0045] The carrier plate 111 is fixed on the top of the sliding plate 105, the avoiding groove 112 is opened on the top of the carrier plate 111, and the structure shape at the bottom of the isolation sleeve 3 is avoided when the isolation sleeve 3 is received. Figure 1 2 The isolation sleeve 3 is placed in the avoiding groove 112 and the positioning groove 114.

[0046] The two positioning blocks 113 form a through groove 115 between them, and the light source emitted by the infrared emitter 117 passes through the through groove 115 and is received by the infrared receiver 121, so as to ensure that the isolation sleeve 3 is correctly placed in the positioning groove 114, and to play a foolproof role.

[0047] ​The first vertical plate 116 is fixed on one side of the feeding plate 101, and the infrared emitter 117 is fixed on the top of the first vertical plate 116 and is arranged inwardly to generate light source into the through slot 115. The second vertical plate 118 is fixed on the other side of the feeding plate 101, and the first adjusting slot 119 is arranged on the second vertical plate 118 and is in a round rectangular shape. The first adjusting plate 120 is fixed on the second vertical plate 118, and the fastening bolt is fixed on the first adjusting plate 120 by passing through the first adjusting slot 119 during actual fixing.

[0048] Since the first adjusting slot 119 is a waist-shaped slot, the position of the first adjusting plate 120 can be adjusted, and then the position of the infrared receiver 121 on the first adjusting plate 120 is adjusted to change the distance between the infrared receiver 121 and the infrared emitter 117, so that it is aligned with the infrared emitter 117, reduces the influence of the interference signal, and ensures that the infrared receiver 121 can accurately receive the light source emitted by the infrared emitter 117.

[0049] The press-fitting assembly 2 is arranged above the feeding assembly 1, the isolation sleeve 3 to be press-fitted is placed on the feeding assembly 1, and then the feeding assembly 1 transfers the isolation sleeve 3 to the lower side of the press-fitting assembly 2, and finally the press-fitting assembly 2 press-fits the pump shaft 4 into the isolation sleeve 3. As shown in Figure 7 、 8 The press-fitting assembly 2 includes a press-fitting frame 201, a guide sleeve 202, a guide column 203, a lifting plate 204, a connecting plate 205, a lifting cylinder 206, a connecting rod 207, a transition block 208, a transition slot 209, a through hole 210, a contact block 211, a pressure sensor 212, a pressing rod 213, a finger cylinder 214, a clamping plate 215, a clamping slot 216, a second adjusting plate 217, a second adjusting slot 218, a pressing plate 219, and a guide portion 220.

[0050] The press-fitting frame 201 is arranged above the feeding plate 101, the second adjusting plate 217 is fixed on the side wall of the press-fitting frame 201 in a height-adjustable manner, the second adjusting slot 218 penetrates the second adjusting plate 217 and is in a round rectangular shape, and the fastening bolt is fixed on the press-fitting frame 201 by passing through the second adjusting slot 218 during actual fixing. The height of the pressing plate 219 is changed by setting the height-adjustable second adjusting plate 217, thereby improving the versatility of the equipment.

[0051] The pressing plate 219 is fixed on the top of the second adjusting plate 217 and extends inwardly, as shown in Figure 12 The guide portion 220 is obliquely arranged on the inner bottom of the pressing plate 219, and when the sliding plate 105 moves to the lower side of the lifting plate 204, the isolation sleeve 3 abuts against the bottom of the pressing plate 219. By abutting the isolation sleeve 3 against the pressing plate 219, the isolation sleeve 3 is prevented from shaking during press-fitting of the pump shaft 4, thereby improving the effect after press-fitting. By arranging the guide portion 220, the isolation sleeve 3 is guided when the sliding plate 105 moves inwardly, thereby ensuring smooth movement of the isolation sleeve 3 to the lower side of the pressing plate 219.

[0052] The guide sleeve 202 is embedded on the top of the pressing frame 201, the guide column 203 vertically penetrates the guide sleeve 202, the lifting plate 204 is fixed on the bottom of the guide column 203, and the lifting plate 204 is guided to move up and down by the lifting cylinder 206, and the lifting plate 204 is guided to move up and down by the guide sleeve 202 and the guide column 203 matched with each other, thereby improving the pressing effect.

[0053] The connecting plate 205 is fixed on the top of the guide column 203, the guide column 203 is fixed by the connecting plate 205, and the guide column 203 is ensured to move up and down synchronously. The cylinder body of the lifting cylinder 206 is fixed on the top of the pressing frame 201, the piston rod of the lifting cylinder 206 penetrates the pressing frame 201 and is connected with the lifting plate 204, the lifting plate 204 is driven by the lifting cylinder 206 to move up and down, and the pump shaft 4 is pressed in the isolation sleeve 3.

[0054] As shown in Figure 9 , the transition block 208 is fixed on the top of the lifting plate 204, the transition groove 209 is arranged on the bottom of the transition block 208, and the pressure sensor 212 is fixed on the top of the lifting plate 204 and located in the transition groove 209. The through hole 210 vertically penetrates the transition block 208 and communicates with the transition groove 209, one end of the connecting rod 207 is fixed on the piston rod of the lifting cylinder 206, and the other end of the connecting rod 207 penetrates the through hole 210 and is connected with the contact block 211.

[0055] The contact block 211 cooperates with the pressure sensor 212 below, so that the pressure of each pressing is ensured to be the same, and the pressing force of the pump shaft 4 and the isolation sleeve 3 is ensured to be consistent each time, thereby avoiding excessive pressing or insufficient pressing.

[0056] The diameter of the contact block 211 is greater than the diameter of the through hole 210, so that the contact block 211 is clamped at the bottom of the through hole 210, and the transition block 208 is prevented from falling. At the same time, the contact block 211 and the pressure sensor 212 are matched, so that the pressure of each pressing is ensured to be the same, and the transition block 208 is prevented from falling.

[0057] When not pressing, the contact block 211 is clamped at the bottom of the through hole 210, and the transition block 208 and the lifting plate 204 are lifted; when pressing, the connecting rod 207 is lowered by the lifting cylinder 206, the contact block 211 and the lifting plate 204 are lowered synchronously under the action of gravity, the pump shaft 4 and the isolation sleeve 3 are abutted, the connecting rod 207 is continuously moved downward by the lifting cylinder 206, the contact block 211 is pressed downward on the pressure sensor 212, the lifting plate 204 is pressed downward, and finally the pump shaft 4 is pressed in the isolation sleeve 3.

[0058] As shown in Figure 10 , 11As shown, the pressing rod 213 is fixed at the bottom of the lifting plate 204 and abuts against the upper surface of the pump shaft 4, for pressing the pump shaft 4 in the isolation sleeve 3. The finger cylinder 214 is fixed at the bottom of the lifting plate 204, the pressing plate 219 is connected with the finger cylinder 214, the clamping groove 216 is arranged in the inner side of the pressing plate 219, the pressing plate 219 is driven to move inwardly by the finger cylinder 214, and then the pump shaft 4 is clamped in the clamping groove 216. The pump shaft 4 is prevented from tilting during pressing, and the pressing effect is improved.

[0059] The working principle of the automatic pressing device for the water pump is shown as follows:

[0060] Firstly, the isolation sleeve 3 to be pressed is placed on the feeding assembly 1, and then is transferred to the lower side of the pressing assembly 2 by the feeding assembly 1, and finally the pump shaft 4 is pressed into the isolation sleeve 3 by the pressing assembly 2. Compared with manual pressing, the pressing efficiency is greatly improved, and the pressing force can be kept consistent every time, so that the pressing force of the pump shaft 4 and the isolation sleeve 3 can be kept consistent every time, and the situation of excessive pressing or insufficient pressing can be avoided, and the qualified rate of the finished product after pressing is improved.

[0061] The above embodiment is only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent change or modification according to the spirit and essence of the utility model shall be covered in the protection scope of the utility model.

Claims

1. An automatic press-fitting device for a water pump, the water pump comprising an isolating sleeve (3) and a pump shaft (4) plugged into each other, characterized in that: It includes: A feeding assembly (1), comprising a feeding plate (101), a slide plate (105) movably arranged on the top of the feeding plate (101), and a bearing unit fixed on the top of the slide plate (105), wherein the bearing unit is used to bear an isolation sleeve (3); A press-fitting assembly (2) comprises a press-fitting frame (201) mounted above the feed plate (101), a lifting plate (204) liftably disposed at the bottom of the press-fitting frame (201), and a pressing rod (213) fixed at the bottom of the lifting plate (204), wherein the pressing rod (213) is used to press the pump shaft (4) into the isolation sleeve (3).

2. The automatic press-fitting device for a water pump according to claim 1, characterized in that: The bearing unit comprises a carrier plate (111) fixed on the top of the slide plate (105), an avoidance groove (112) provided on the top of the carrier plate (111), a positioning block (113) fixed at intervals on the top of the carrier plate (111), and a positioning groove (114) provided on a side facing the positioning block (113); the isolation sleeve (3) is placed in the positioning groove (114) and the avoidance groove (112).

3. The automatic press-fitting device for a water pump according to claim 1, characterized in that: The press-fitting assembly (2) further comprises a finger cylinder (214) fixed to the bottom of the lifting plate (204), a clamping plate (215) connected to the finger cylinder (214), and a clamping groove (216) provided on an opposite side of the clamping plate (215), wherein the clamping groove (216) is used to clamp the pump shaft (4).

4. The automatic press-fitting device for a water pump according to claim 1, characterized in that: The press-fit assembly (2) further comprises a transition block (208) fixed on the top of the lifting plate (204), a transition groove (209) provided at the bottom of the transition block (208), a pressure sensor (212) fixed on the top of the lifting plate (204) and located in the transition groove (209), a through hole (210) passing through the transition block (208) and communicating with the transition groove (209), a connecting rod (207) movably arranged in the through hole (210), and a contact block (211) fixed at the bottom of the connecting rod (207) and cooperating with the pressure sensor (212), wherein the diameter of the contact block (211) is larger than the diameter of the through hole (210).

5. The automatic press-fitting device for a water pump according to claim 1, characterized in that: The press-fitting assembly (2) further comprises a second adjustment plate (217) fixed to the press-fitting frame (201) in an adjustable height, a second adjustment slot (218) penetrating the second adjustment plate (217), a pressing plate (219) fixed to the top of the second adjustment plate (217), and a guide portion (220) obliquely provided at the bottom of the pressing plate (219); When the slide plate (105) moves to the bottom of the lifting plate (204), the isolation sleeve (3) abuts against the bottom of the pressing plate (219).

6. The automatic press-fitting device for a water pump according to claim 1, characterized in that: The feeding assembly (1) further comprises a first vertical plate (116) fixed on one side of the feeding plate (101), an infrared emitter (117) fixed on the top of the first vertical plate (116), a second vertical plate (118) fixed on the other side of the feeding plate (101), a first adjustment plate (120) adjustably arranged on the top of the second vertical plate (118), and an infrared receiver (121) fixed on the top of the first adjustment plate (120) and cooperating with the infrared emitter (117), wherein the first adjustment plate (120) moves toward a side close to the infrared emitter (117) or toward a side away from the infrared emitter (117).

7. The automatic press-fitting device for a water pump according to claim 1, characterized in that: The feeding assembly (1) further comprises a feeding rail (102) fixed on the top of the feeding plate (101), a feeding slider (103) slidably mounted on the feeding rail (102), a pad (104) fixed on the top of the feeding slider (103), a photoelectric sensor (108) fixed at intervals on one side of the feeding plate (101), and a sensing sheet (107) fixed on the pad (104) and cooperating with the photoelectric sensor (108); the slide plate (105) is fixed on the top of the pad (104).

8. The automatic press-fitting device for a water pump according to claim 1, characterized in that: The feeding assembly (1) further comprises mounting plates (109) fixed on both sides of the feeding plate (101) and an oil pressure buffer (110) fixed on the top of the mounting plate (109) and matched with the slide plate (105).

9. The automatic press-fitting device for a water pump according to claim 4, characterized in that: The press-fitting assembly (2) further comprises a guide sleeve (202) embedded in the top of the press-fitting frame (201), a guide post (203) fixed to the top of the lifting plate (204) and passing through the guide sleeve (202), a connecting plate (205) fixed to the top of the guide post (203), and a lifting cylinder (206) fixed to the top of the press-fitting frame (201) and used for driving the lifting plate (204) to move up and down, and the connecting rod (207) is connected to the piston rod of the lifting cylinder (206).

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