Pressure stability control device of printing ink conveying pump

Abstract

The utility model discloses a pressure stability control device of a printing ink delivery pump, which relates to the technical field of printing ink delivery pumps, and comprises a delivery pump main body, a buffer branch pipe communicated with the output end of the delivery pump main body, and a support fixed on the outer surface of the buffer branch pipe; the damper is arranged in the buffering branch pipe, one end of the damper is fixed to the surface of one side of the support, and the outer surface of the damper is sleeved with a spring. According to the pressure stability control device of the printing ink delivery pump, due to self-adaptive adjustment of the built-in spring and the piston, continuous and stable fluid delivery is achieved, the influence of instantaneous pressure fluctuation on system stability is prevented, the flowing speed of printing ink is made to be continuous and stable, even ink jetting or coating is guaranteed, the product quality is guaranteed, and the production efficiency is improved. Therefore, the technical problem that the product quality is affected due to non-uniform ink jetting or coating caused by unstable ink flow velocity due to over-high instantaneous pressure of the conveying pump is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ink delivery pump technical field, especially in an ink delivery pump's pressure stabilizing control device. BACKGROUND

[0002] The instantaneity pressure of ink delivery pump is too high in the use process, can be caused by multiple reasons, if the pipeline or valve of the ink delivery is blocked, the ink flow is blocked, the output pressure of the pump will rise sharply, especially in the case of no effective pressure release, the high speed of the pump can cause the ink flow rate to increase, increase the pressure inside the system, especially in the case of high viscosity of the ink, the high speed can make the system bear too much instantaneous pressure, the viscosity of the ink is too high, the resistance of the ink flow increases, the pump needs more force to push the ink flow, which will cause the pressure to rise.

[0003] But in the prior art, the structure of the ink delivery pump is simple, when the instantaneous pressure of the output end of the ink delivery pump is too high, only the pressure relief valve is opened to discharge the ink when the pressure threshold is reached, which cannot provide stable and continuous pressure regulation for the ink delivery pump, the ink flow rate is unstable, cannot guarantee the uniformity of inkjet or coating, and affects the product quality. CONTENT OF THE UTILITY MODEL

[0004] TECHNICAL PROBLEM

[0005] In view of the defects of the prior art, the utility model provides an ink delivery pump pressure stabilizing control device, which solves the technical problems that the structure of the ink delivery pump is simple, the instantaneous pressure of the output end of the ink delivery pump is too high, only the pressure relief valve is opened to discharge the ink when the pressure threshold is reached, which cannot provide stable and continuous pressure regulation for the ink delivery pump, the ink flow rate is unstable, cannot guarantee the uniformity of inkjet or coating, and affects the product quality.

[0006] In order to achieve the above purpose, the utility model realizes the following technical scheme:

[0007] An ink delivery pump pressure stabilizing control device, including the delivery pump main part, the buffer branch pipe and the output end of the delivery pump main part are communicated, the support is fixed on the outer surface of the buffer branch pipe through the bolt, the delivery pump main part transports the ink through the output end, the piston is extruded when the spring and the damper are extruded when the piston is forced when the ink flows, the installation groove provides the support force for the sealing ring, the sealing ring fills the gap between the piston and the buffer branch pipe, ensures the sealing of the buffer branch pipe, prevents the oil from seeping out, when the output end of the delivery pump main part increases the instantaneous pressure, the piston is forced to move in the inside of the buffer branch pipe, continues to extrude the spring and the damper, the spring and the damper compression stroke, when the instantaneous pressure reduces, the spring and the damper reset, through the self-adapting adjustment of the built-in spring and the piston, realize the continuous and stable fluid delivery:

[0008] A delivery pump body for delivering ink, which comprises a motor, a pump shaft, a rotor, a valve and a seal inside;

[0009] The piston is located inside the buffer branch pipe. When the delivery pump body delivers ink, the ink pushes the piston to flow into the buffer branch pipe, the piston extrudes the spring and the damper, the spring and the damper are compressed, the kinetic energy is absorbed, the buffer is provided, and the liquid pressure at the output end of the delivery pump body is continuously and stably adjusted.

[0010] Preferably, one end of the buffer branch pipe is fixedly connected with a bidirectional bearing, one side surface of the bidirectional bearing is fixedly connected with an adjusting ring, and the inner wall surface of the adjusting ring is threadedly connected with an adjusting piece. The bidirectional bearing avoids friction between the adjusting ring and the buffer branch pipe. The adjusting piece moves up and down in the buffer branch pipe under the action of the thread, so that the spring fixed to the lower end of the adjusting piece is forced to compress or stretch, the initial stroke of the spring is adjusted, and the pressure of the spring on the piston is controlled.

[0011] Preferably, one side surface of the adjusting piece is provided with a limiting sliding groove, and the inner wall surface of the limiting sliding groove is sleeved with the outer surface of one end of the support. The limiting sliding groove and the support cooperate to limit the movement track of the adjusting piece and avoid rotation of the adjusting piece.

[0012] Preferably, the outer surface of the adjusting ring is provided with a plurality of anti-skid grooves, and the plurality of anti-skid grooves are equidistantly distributed. When the adjusting ring is rotated, the plurality of equidistantly distributed anti-skid grooves uniformly increase the friction force to avoid hand slipping.

[0013] Preferably, the inner wall surface of the limiting sliding groove is provided with a pressure indicating table. The stroke of the spring is accurately adjusted through the pressure indicating table in the limiting sliding groove.

[0014] Preferably, the inner wall surface of the buffer branch pipe close to one end is fixedly connected with a limiting ring, and one side surface of the limiting ring is attached to the outer surface of the piston. The limiting ring limits the movement track of the piston and avoids the piston entering the output end of the delivery pump body.

[0015] Preferably, the outer surface of the buffer branch pipe is provided with a window, and the inner portion of the window is embedded with transparent glass. The movement track of the piston is observed through the transparent glass in the window, and timely maintenance is performed when an abnormality occurs. Beneficial effects

[0016] Due to the self-adaptive adjustment of the built-in spring and the piston, continuous and stable fluid delivery is realized, instantaneous pressure fluctuation is prevented to affect system stability, the ink flow rate is continuously and stably ensured, uniform ink jetting or coating is ensured, and product quality is ensured. Therefore, the technical problem of unstable ink flow rate caused by too high instantaneous pressure of the delivery pump, which further causes uneven ink jetting or coating and affects product quality, is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following is a preferred embodiment of the present application and the detailed description of the drawings as follows.

[0018] Figure 1 It is a structure diagram of the pressure stabilizing control device of the ink conveying pump in the present application;

[0019] Figure 2 It is a sectional view of the buffer branch pipe of the pressure stabilizing control device of the ink conveying pump in the present application;

[0020] Figure 3 It is a structure diagram of the damper of the pressure stabilizing control device of the ink conveying pump in the present application;

[0021] Figure 4 It is a structure diagram of the piston of the pressure stabilizing control device of the ink conveying pump in the present application;

[0022] Figure 5 It is a structure diagram of the adjusting part of the pressure stabilizing control device of the ink conveying pump in the present application.

[0023] Legend: 1, conveying pump main body; 2, buffer branch pipe; 3, window; 4, transparent glass; 5, support; 6, adjusting ring; 7, adjusting part; 8, limiting sliding groove; 9, anti-skid groove; 10, bidirectional bearing; 11, damper; 12, spring; 13, piston; 14, sealing ring; 15, anti-skid groove; 16, pressure indicating meter; 17, mounting groove. DETAILED DESCRIPTION

[0024] The technical scheme of the present application provides a pressure stabilizing control device of an ink conveying pump, which effectively solves the technical problem of fixing the temperature control equipment by bolts and supports, complicated installation and disassembly work, and low installation and disassembly efficiency. Two sliding blocks are driven by a bidirectional screw rod to move under the action of threads, two supporting plates drive a clamping plate to clamp and fix the main body of the temperature control equipment through a damper and a spring, and the disassembly and installation of the main body of the temperature control equipment can be completed by rotating the bidirectional screw rod, thereby improving the installation and disassembly efficiency. EMBODIMENT

[0025] The technical scheme in the present application effectively solves the technical problem of fixing the temperature control equipment by bolts and supports, complicated installation and disassembly work, and low installation and disassembly efficiency, and the general idea is as follows:

[0026] Please refer to Figures 1-5The utility model provides a pressure stability control device of ink delivery pump, including delivery pump main part 1, the output of buffer branch pipe 2 and delivery pump main body 1 intercommunication, support 5 is fixed through bolt on the outer surface of buffer branch pipe 2, delivery pump main body 1 transports ink through the output, ink pushes piston 13 when flowing, piston 13 extrudes spring 12 and damper 11 when being stressed, and installation groove 17 provides support force for sealing ring 14, prevents sealing ring 14 displacement after being stressed, and sealing ring 14 fills the gap between piston 13 and buffer branch pipe 2, guarantees buffer branch pipe 2 seal, prevents oil seepage, when the output instantaneous pressure of delivery pump main body 1 increases, piston 13 is stressed and moves in the inside of buffer branch pipe 2, continues extruding spring 12 and damper 11, and spring 12 and damper 11 compression stroke, absorb kinetic energy, provide buffer, when instantaneous pressure reduces, spring 12 and damper 11 reset, absorb and alleviate the pressure fluctuation of ink pump output, through the self -adaptation adjustment of built -in spring 12 and piston 13, realize the sustained, stable fluid delivery, prevent instantaneous pressure fluctuation influence system stability, avoid pump body, valve and pipeline connection part and break or fail because of overload work, and ink flow rate is stable, further guarantee ink -jet or coating even, guarantee product quality:

[0027] Delivery pump main body 1 is used for delivering ink, and the inside includes motor, pump shaft, rotor, valve and sealing element;

[0028] Piston 13 is located in the inside of buffer branch pipe 2, and when delivery pump main body 1 delivers ink, ink pushes piston 13 and flows into the inside of buffer branch pipe 2, piston 13 extrudes spring 12 and damper 11, and spring 12 and damper 11 compression stroke, absorb kinetic energy, provide buffer, and continuously and stably regulate the liquid pressure at the output end of delivery pump main body 1.

[0029] In the specific implementation process, delivery pump main body 1 transports ink through the output, ink pushes piston 13 when flowing, piston 13 extrudes spring 12 and damper 11 when being stressed, sealing ring 14 fills the gap between piston 13 and buffer branch pipe 2, guarantees buffer branch pipe 2 seal, prevents oil seepage, when the output instantaneous pressure of delivery pump main body 1 increases, piston 13 is stressed and moves in the inside of buffer branch pipe 2, continues extruding spring 12 and damper 11, and spring 12 and damper 11 compression stroke, absorb kinetic energy, provide buffer, when instantaneous pressure reduces, spring 12 and damper 11 reset, absorb and alleviate the pressure fluctuation of ink pump output, through the self -adaptation adjustment of built -in spring 12 and piston 13, realize the sustained, stable fluid delivery, prevent instantaneous pressure fluctuation influence system stability, avoid pump body, valve and pipeline connection part and break or fail because of overload work, and ink flow rate is stable, further guarantee ink -jet or coating even, guarantee product quality. Embodiment

[0030] Please refer to Figures 1-5 Based on example 1, the application example is a feasible adjustment technical scheme, and the general idea is as follows:

[0031] One end of the buffer branch pipe 2 is fixedly connected with a bidirectional bearing 10, one side surface of the bidirectional bearing 10 is fixedly connected with an adjusting ring 6, the inner wall surface of the adjusting ring 6 is threadedly connected with an adjusting part 7, one side surface of the adjusting part 7 is provided with a limiting sliding groove 8, the inner wall surface of the limiting sliding groove 8 is sleeved with the outer surface of one end of the support 5, the outer surface of the adjusting ring 6 is provided with a plurality of anti-skid grooves 9 which are equidistantly distributed, the inner wall surface of the limiting sliding groove 8 is provided with a pressure indicating table 16, the inner wall surface of the buffer branch pipe 2 close to one end is fixedly connected with a limiting ring 15, one side surface of the limiting ring 15 is attached to the outer surface of the piston 13, the outer surface of the buffer branch pipe 2 is provided with a window 3, and the inside of the window 3 is embedded with a transparent glass 4.

[0032] In the specific implementation process, the adjusting ring 6 is rotated, the plurality of equidistantly distributed anti-skid grooves 9 uniformly increase the friction force to avoid hand slipping, the bidirectional bearing 10 avoids the friction between the adjusting ring 6 and the buffer branch pipe 2, the adjusting part 7 moves up and down in the inside of the buffer branch pipe 2 under the action of the thread, the spring 12 fixed to the lower end of the adjusting part 7 is stressed to be compressed or stretched, the initial stroke of the spring 12 is adjusted, the pressure of the spring 12 on the piston 13 is controlled, the stroke of the spring 12 is accurately adjusted through the pressure indicating table 16 in the inside of the limiting sliding groove 8, the movement track of the piston 13 is limited by the limiting ring 15 to avoid the piston 13 entering the output end of the delivery pump main body 1, the movement track of the adjusting part 7 is limited by the cooperation of the limiting sliding groove 8 and the support 5 to avoid the rotation of the adjusting part 7, the movement track of the piston 13 is observed through the transparent glass 4 in the inside of the window 3, and timely maintenance is performed when an abnormality occurs, so that the device can be applied to different working environments, has a wide application range, and has a good use experience.

[0033] Finally, it should be noted that: obviously, the above examples are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A pressure stabilization control device for an ink delivery pump, comprising a delivery pump body (1) characterized in that, It also includes: The buffer branch pipe (2) is connected to the output end of the main body (1) of the delivery pump, and a bracket (5) is fixed on its outer surface. The damper (11) is installed inside the buffer branch pipe (2), and one end is fixed to one side surface of the bracket (5), and the outer surface is fitted with a spring (12). The piston (13) is located at the other end of the damper (11) and has an installation groove (17) on its outer surface. The installation groove (17) has an output end of a sealing ring (14) inside it. The piston (13) pushes the spring (12) and the damper (11) to make the pressure at the output end of the pump body (1) stable.

2. The pressure stabilization control device for an ink delivery pump as described in claim 1, characterized in that: One end of the buffer branch pipe (2) is fixedly connected to a bidirectional bearing (10), and an adjusting ring (6) is fixedly connected to one side surface of the bidirectional bearing (10). An adjusting component (7) is threadedly connected to the inner wall surface of the adjusting ring (6).

3. The pressure stabilization control device for an ink delivery pump as described in claim 2, characterized in that: A limiting groove (8) is provided on one side surface of the adjusting member (7), and the inner wall surface of the limiting groove (8) is sleeved on the outer surface of one end of the bracket (5).

4. The pressure stabilization control device for an ink delivery pump as described in claim 2, characterized in that: The outer surface of the adjusting ring (6) is provided with multiple anti-slip grooves (9), and the multiple anti-slip grooves (9) are distributed at equal intervals.

5. The pressure stabilization control device for an ink delivery pump as described in claim 3, characterized in that: A pressure gauge (16) is provided on the inner wall surface of the limiting slide (8).

6. The pressure stabilization control device for an ink delivery pump as described in claim 2, characterized in that: A limiting ring (15) is fixedly connected to the inner wall surface of the buffer branch pipe (2) near one end, and one side surface of the limiting ring (15) is attached to the outer surface of the piston (13).

7. The pressure stabilization control device for an ink delivery pump as described in claim 6, characterized in that: The outer surface of the buffer branch pipe (2) is provided with a viewing window (3), and the interior of the viewing window is inlaid with transparent glass (4).

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