Electromagnetic pump liquid inlet end screwing device

Abstract

The utility model relates to the technical field of electromagnetic pumps, in particular to a screwing device for a liquid inlet end of an electromagnetic pump. Vertical guide rails are fixed to the two sides of the front wall of the supporting plate respectively. The vertical moving base is clamped between the two vertical guide rails in a sliding manner; the pneumatic wrench is vertically fixed in the middle of the front end of the vertical moving base; a piston cylinder of the lifting telescopic cylinder is vertically fixed to the top end of the front wall of the supporting plate, and the bottom end of a piston rod is fixedly connected to the top end of the vertical moving base; the clamping mechanism comprises a fixed part fixed to the front portion of the top face of the bottom frame and right facing the pneumatic wrench and a movable part located on the rear side of the fixed part. The pushing mechanism is used for driving the movable part of the clamping mechanism to move back and forth; the problem that the efficiency is not high when the liquid inlet end of the plunger type electromagnetic pump is disassembled and assembled is well solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnetic pump technical field, concretely is a kind of electromagnetic pump liquid inlet end screwing device. BACKGROUND

[0002] Plunger electromagnetic pump is a kind of fluid conveying equipment combining electromagnetic drive and plunger pump structure. When working, it generates magnetic field by energizing electromagnetic coil, drives iron plunger reciprocating in pump body, realizes liquid suction and discharge. This kind of electromagnetic pump structure is compact, small, high and stable flow precision, is suitable for metering pump scene etc.

[0003] Common plunger electromagnetic pump is mainly composed of electromagnetic drive part, liquid inlet end and liquid outlet end. Electromagnetic drive part mainly includes shell, coil support, electromagnetic coil, plunger, guide rail and reset spring etc.;Liquid inlet end and liquid outlet end include oil nozzle support and oil nozzle respectively. Among them, in some plunger electromagnetic pumps, oil nozzle in liquid inlet end is connected with oil nozzle support sleeve by screw thread connection.

[0004] Common plunger electromagnetic pump needs to periodically disassemble and assemble oil nozzle of liquid inlet end for filter screen cleaning operation when actually applied. At present, disassembly and assembly work of liquid inlet end is generally operated by manual using wrench, which is not only inconvenient to operate, but also has low disassembly and assembly efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electromagnetic pump liquid inlet end screwing device, to solve the problem of low efficiency when disassembling and assembling plunger electromagnetic pump liquid inlet end in prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of electromagnetic pump liquid inlet end screwing device, box body is fixed to the top surface rear portion of the chassis;Support plate is fixed to the top end middle part of the front wall of the box body, and the front wall both sides of the support plate are respectively fixed with vertical guide rail;Vertical moving base is slidably connected between two vertical guide rails;Pneumatic wrench is vertically fixed to the front end middle part of the vertical moving base;Lifting telescopic cylinder piston cylinder is vertically fixed to the top end of the front wall of the support plate, and the bottom end of piston rod is fixedly connected to the top end of the vertical moving base;Clamping mechanism includes fixed part at the front portion of the top surface of the chassis and movable part at the rear side of fixed part, and the fixed part is opposite to the pneumatic wrench;Pushing mechanism is used to drive the movable part of the clamping mechanism to move forward and backward.

[0007] Preferably, the pushing mechanism includes base fixed to the middle part of the inner cavity bottom surface of the box, support fixed to the top surface of the base, and pushing telescopic cylinder with piston cylinder front end fixed to the rear wall of the support and piston rod penetrating the front wall of the support, the front end of the piston rod of the pushing telescopic cylinder is fixedly connected with the rear end of the movable part of the clamping mechanism, and the middle part of the bottom end of the front wall of the box is provided with slot hole.

[0008] Preferably, the clamping mechanism comprises a clamping groove part fixed to the front top surface of the chassis and opposite to the pneumatic wrench, and a clamping block slidingly clamped in the inner cavity of the clamping groove part in the front-rear direction and with the rear wall fixedly connected to the front end of the piston rod of the push-and-move telescopic cylinder.

[0009] Preferably, the clamping mechanism comprises a bottom plate fixed to the front middle part of the top surface of the chassis, a fixed clamping block fixed to the middle part of the top surface of the bottom plate, a movable clamping block arranged at the rear side of the fixed clamping block, and a connecting rod fixedly connected to the front end of the movable clamping block and fixedly connected to the front end of the piston rod of the push-and-move telescopic cylinder.

[0010] Preferably, one side of the top end of the rear wall of the fixed clamping block is provided with a notch one, and the rear wall of the fixed clamping block is provided with a clamping groove two at a position corresponding to the bottom of the notch one in the transverse direction, the front wall of the movable clamping block is provided with a notch two at a position opposite to the notch one, and the front wall of the movable clamping block is provided with a clamping groove three at a position opposite to the clamping groove two.

[0011] Preferably, the rear middle part of the movable clamping block is provided with a T-shaped groove vertically clamped and matched with the front end of the connecting rod.

[0012] Preferably, the top surface of the bottom plate is provided with horizontal guide rails at positions on both sides of the movable clamping block, the movable clamping block is provided with side grooves slidingly clamped and matched with the horizontal guide rails at positions on both sides of the movable clamping block, and the top middle part of the bottom plate is fixedly provided with a guide block slidingly sleeved and matched with the connecting rod.

[0013] Preferably, the top surface of the bottom plate is provided with a limiting rod vertically sleeved at a position close to the front end of the horizontal guide rail.

[0014] Preferably, the top of the box body is provided with a warning light.

[0015] Compared with the prior art, the electromagnetic pump liquid inlet end screwing device has the advantages that:

[0016] 1. The electromagnetic pump liquid inlet end screwing device disclosed by the utility model is used, the movable part is pushed forward through the push-and-move mechanism, the movable part and the fixed part clamp and fix the oil nozzle support of the plunger type electromagnetic pump liquid inlet end, then the lifting telescopic cylinder pushes down the pneumatic wrench through the vertical moving base, so that the oil nozzle of the liquid inlet end is quickly screwed through the pneumatic wrench, the convenience of disassembling and assembling the plunger type electromagnetic pump liquid inlet end is improved, and the operation efficiency is improved.

[0017] 2. The electromagnetic pump liquid inlet end screwing device disclosed by the utility model is easy to manufacture and has low investment cost, so it is easy to popularize and apply. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic view of the first setting mode of the clamping mechanism of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic view of the second setting mode of the clamping mechanism of the utility model;

[0021] Figure 4 It is the three-dimensional structure schematic view of the fixed clamping block of the utility model;

[0022] Figure 5 It is the three-dimensional structure schematic view of the movable clamping block of the utility model;

[0023] Figure 6 It is the three-dimensional structure schematic view of the push mechanism of the utility model.

[0024] In the drawing: 1 - underframe;

[0025] 2 - box body;

[0026] 3 - support plate; 3.1 - vertical guide rail;

[0027] 4 - vertical moving base;

[0028] 5 - pneumatic wrench;

[0029] 6 - lifting telescopic cylinder;

[0030] 7 - clamping mechanism; 7.1 - clamping groove part; 7.1.1 - placing hole; 7.2 - clamping block; 7.2.1 - recess; 7.2.2 - clamping groove one; 7.3 - bottom plate; 7.4 - fixed clamping block; 7.4.1 - notch one; 7.4.2 - clamping groove two; 7.5 - movable clamping block; 7.5.1 - notch two; 7.5.2 - clamping groove three; 7.5.3 - side groove; 7.5.4 - T-shaped groove; 7.6 - guide block; 7.7 - connecting rod; 7.8 - horizontal guide rail; 7.9 - limiting rod;

[0031] 8 - push mechanism; 8.1 - base; 8.2 - support; 8.3 - push telescopic cylinder;

[0032] 9 - warning light. DETAILED DESCRIPTION

[0033] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0034] Embodiment one, please refer to Figure 1 , 2 ,6, the utility model provides a technical scheme, a screwing device for liquid inlet end of electromagnetic pump, the chassis 1 is composed of the framework structure by aluminium profile, the top fixed aluminium alloy board surface. The box 2 is fixed in the rear part of the top surface of the chassis 1, the support plate 3 is fixed in the middle part of the top end of the front wall of the box 2, and the front wall of the support plate 3 is fixed with vertical guide rail 3.1 on both sides respectively, the vertical moving base 4 is slidably connected between the two vertical guide rails 3.1, the pneumatic wrench 5 is fixed in the middle part of the front end of the vertical moving base 4 along the vertical direction, the lifting telescopic cylinder 6 piston cylinder is fixed in the top end of the front wall of the support plate 3 along the vertical direction, and the bottom end of the piston rod is fixedly connected to the top end of the vertical moving base 4. In order to avoid other personnel approaching the working area when the pneumatic wrench 5 works, the warning light 9 is installed on the top of the box 2, that is, when the pneumatic wrench 5 works, the warning light 9 sends out light warning signal.

[0035] The pushing mechanism 8 includes the base 8.1 fixed in the middle part of the bottom surface of the inner cavity of the box 2, the support 8.2 fixed on the top surface of the base 8.1 and the pushing telescopic cylinder 8.3 with the piston cylinder fixed on the rear wall of the support 8.2 and the piston rod penetrating through the front wall of the support 8.2. The middle part of the bottom end of the front wall of the box 2 is provided with a slot hole, and the slot hole is used to meet the need of the elongation of the pushing telescopic cylinder 8.3.

[0036] Among them, the pneumatic wrench 5 adopts straight pneumatic wrench, and the lifting telescopic cylinder 6 and the pushing telescopic cylinder 8.3 all adopt air cylinder.

[0037] The clamping mechanism 7 includes the clamping groove piece 7.1 fixed on the front part of the top surface of the chassis 1 and opposite to the pneumatic wrench 5 and the clamping block 7.2 slidably connected in the inner cavity of the clamping groove piece 7.1 along the front and back directions and with the rear wall fixedly connected to the front end of the piston rod of the pushing telescopic cylinder 8.3, the middle part of the bottom surface of the inner cavity of the clamping groove piece 7.1 is provided with a placing hole 7.1.1, the middle part of the top surface of the front end of the clamping block 7.2 is provided with a recess 7.2.1, and the inner cavity bottom surface of the recess 7.2.1 is provided with a clamping groove one 7.2.2.

[0038] That is, when the screwing operation is carried out on the liquid inlet end of the plunger type electromagnetic pump, the oil nozzle support of the plunger type electromagnetic pump is inserted into the placing hole 7.1.1 first, and then the pushing telescopic cylinder 8.3 is pushed out to the front end of the piston rod, so that the clamping block 7.2 is moved forward along the inner cavity of the clamping groove piece 7.1 until the clamping groove one 7.2.2 is clamped and fixed to the oil nozzle support of the plunger type electromagnetic pump.

[0039] Then the pneumatic wrench 5 is pushed down by the lifting telescopic cylinder 6 through the vertical moving base 4 until the sleeve of the pneumatic wrench 5 is connected with the oil nozzle of the liquid inlet end, so as to facilitate the screwing operation of the pneumatic wrench 5 on the oil nozzle of the liquid inlet end.

[0040] Embodiment two, please refer to Figure 1 、 3 , 4, 5, 6, compared with embodiment one, the difference of this embodiment is only in the different setting mode of the clamping mechanism 7.

[0041] The clamping mechanism 7 includes a bottom plate 7.3 fixed on the top surface of the chassis 1 at the middle part of the front end, a fixed clamping block 7.4 fixed on the top surface of the bottom plate 7.3 at the middle part of the front end, a movable clamping block 7.5 arranged at the rear side of the fixed clamping block 7.4, and a connecting rod 7.7 fixedly connected to the front end of the movable clamping block 7.5 and fixedly connected to the front end of the piston rod of the pushing telescopic cylinder 8.3 at the rear end. Among them, one side of the top end of the rear wall of the fixed clamping block 7.4 is provided with a slot one 7.4.1, and the rear wall of the fixed clamping block 7.4 is provided with a clamping groove two 7.4.2 corresponding to the bottom of the slot one 7.4.1 along the transverse direction, the front wall of the movable clamping block 7.5 is provided with a slot two 7.5.1 corresponding to the slot one 7.4.1, and the front wall of the movable clamping block 7.5 is provided with a clamping groove three 7.5.2 corresponding to the clamping groove two 7.4.2.

[0042] That is, such a clamping mechanism 7 is suitable for a plunger type electromagnetic pump with an annular plate structure outside the oil nozzle support. When clamping the oil nozzle support of the plunger type electromagnetic pump, the annular plate structure of the oil nozzle support is clamped into the clamping groove two 7.4.2 and the clamping groove three 7.5.2 through the slot one 7.4.1 and the slot two 7.5.1; then the pushing telescopic cylinder 8.3 pushes the movable clamping block 7.5 forward through the connecting rod 7.7 to achieve clamping and fixing of the oil nozzle support.

[0043] In order to facilitate the assembly and connection of the connecting rod 7.7 and the movable clamping block 7.5, the rear end of the movable clamping block 7.5 is provided with a T-shaped groove 7.5.4 matched with the front end of the connecting rod 7.7 in vertical direction.

[0044] In order to ensure that the movable clamping block 7.5 can smoothly slide when the telescopic piston rod of the pushing telescopic cylinder 8.3 is extended, the top surface of the bottom plate 7.3 is provided with horizontal guide rails 7.8 at the positions on both sides of the movable clamping block 7.5, and the both sides of the movable clamping block 7.5 are provided with side grooves 7.5.3 matched with the horizontal guide rails 7.8 in sliding manner, and the top surface of the bottom plate 7.3 is fixedly provided with a guide block 7.6 matched with the connecting rod 7.7 in sliding sleeve manner at the middle rear end.

[0045] In order to avoid the overtravel of the movable clamping block 7.5 when it slides forward, the top surface of the bottom plate 7.3 is provided with a limiting rod 7.9 in vertical sleeve manner at the position close to the front end of the horizontal guide rail 7.8.

[0046] In addition, for the way that the telescopic cylinder 3 pushes the air inlet joint 4 backward, a telescopic cylinder 3 can be used to synchronously drive multiple air inlet joints 4 to move backward at the same time. Alternatively, multiple telescopic cylinders 3 can be used to independently push a single air inlet joint 4 to move backward, i.e., the multiple telescopic cylinders 3 are respectively fixed to the front end of the top surface of the chassis 1 in the longitudinal direction, and the rear end of the piston rod of the telescopic cylinder 3 is fixedly connected with the front end of the air inlet joint 4.

[0047] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0048] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic pump liquid inlet end screwing device, characterized by, It includes: Chassis (1); Box (2), fixed to the top surface of the rear of the chassis (1); Support plate (3), fixed to the top end of the front wall of the box (2), the front wall of the support plate (3) is respectively fixed with vertical guide rail (3.1); Vertical moving base (4), slidingly connected between two vertical guide rails (3.1); Pneumatic wrench (5), vertically fixed to the front end of the vertical moving base (4); Lifting telescopic cylinder (6), the piston cylinder is vertically fixed to the top end of the front wall of the support plate (3), and the piston rod is fixedly connected to the top end of the vertical moving base (4); Clamping mechanism (7), including fixed part and movable part, the fixed part is fixed to the front part of the top surface of the chassis (1) and opposite to the pneumatic wrench (5), and the movable part is located behind the fixed part; Pushing mechanism (8), used for driving the movable part of the clamping mechanism (7) to move forward and backward.

2. An electromagnetic pump liquid inlet end screwing device according to claim 1, characterized in that: The pushing mechanism (8) includes base (8.1) fixed to the middle of the bottom surface of the inner cavity of the box (2), support (8.2) fixed to the top surface of the base (8.1), and pushing telescopic cylinder (8.3) with piston cylinder fixed to the rear wall of the support (8.2) and piston rod penetrating the front wall of the support (8.2), the front end of the piston rod of the pushing telescopic cylinder (8.3) is fixedly connected with the rear end of the movable part of the clamping mechanism (7), and the middle of the bottom end of the front wall of the box (2) is provided with a slot hole.

3. A liquid inlet end screwing device of an electromagnetic pump according to claim 2, characterized in that: The clamping mechanism (7) includes clamping groove part (7.1) fixed to the front part of the top surface of the chassis (1) and opposite to the pneumatic wrench (5), and clamping block (7.2) slidingly connected in the inner cavity of the clamping groove part (7.1) and rear wall fixedly connected with the front end of the piston rod of the pushing telescopic cylinder (8.3), the middle of the bottom surface of the inner cavity of the clamping groove part (7.1) is provided with placing hole (7.1.1), the middle of the top surface of the front end of the clamping block (7.2) is provided with groove (7.2.1), and the inner cavity of the groove (7.2.1) is provided with clamping groove one (7.2.2). The clamping mechanism (7) includes bottom plate (7.3) fixed to the middle of the front end of the top surface of the chassis (1), fixed clamping block (7.4) fixed to the middle of the top surface of the front end of the bottom plate (7.3), movable clamping block (7.5) located behind the fixed clamping block (7.4), and connecting rod (7.7) fixedly connected with the rear end of the movable clamping block (7.5) and fixedly connected with the front end of the piston rod of the pushing telescopic cylinder (8.3). The rear wall of the fixed clamping block (7.4) is provided with slot one (7.4.1) on one side of the top end, the rear wall of the fixed clamping block (7.4) is provided with clamping groove two (7.4.2) corresponding to the bottom of the slot one (7.4.1) along the transverse direction, the front wall of the movable clamping block (7.5) is provided with slot two (7.5.1) opposite to the slot one (7.4.1), and the front wall of the movable clamping block (7.5) is provided with clamping groove three (7.5.2) opposite to the clamping groove two (7.4.2).

4. An electromagnetic pump liquid inlet end screwing device according to claim 2, characterized in that: The middle of the rear end of the movable clamping block (7.5) is provided with T-shaped groove (7.5.4) vertically matched with the front end of the connecting rod (7.7).

5. An electromagnetic pump liquid inlet end screwing device according to claim 4, characterized in that: ​ 6. An electromagnetic pump liquid inlet end screwing device according to claim 4, characterized in that: ​ 7. An electromagnetic pump liquid inlet end screwing device according to claim 4, characterized in that: Horizontal guide rails (7.8) are arranged on both sides of the top surface of the bottom plate (7.3) at positions on both sides of the movable clamp block (7.5), and side grooves (7.5.3) are arranged on both sides of the movable clamp block (7.5) to be slidably matched with the horizontal guide rails (7.8), and a guide block (7.6) is fixed to the middle rear end of the top surface of the bottom plate (7.3) to be slidably matched with the connecting rod (7.7).

8. An electromagnetic pump liquid inlet end screwing device according to claim 7, characterized in that: A limiting rod (7.9) is vertically sleeved on the top surface of the bottom plate (7.3) at a position close to the front end of the horizontal guide rail (7.8).

9. An electromagnetic pump liquid inlet end screwing device according to claim 1, characterized in that: The box body (2) is provided with a warning light (9) on the top.

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