Metering type feeding device for high-temperature-resistant lubricating grease production

Abstract

The utility model relates to the field of lubricating grease production equipment, in particular to a metering type feeding device for high-temperature-resistant lubricating grease production. The metering type feeding device for production of the high-temperature-resistant lubricating grease comprises a rack and two sets of end plates erected above the rack, and through holes are formed in the middles of the two sets of end plates; the control box is mounted on the rack; the number of the metering mark cylinders is multiple, the metering mark cylinders are evenly installed on the two sets of end plates, discharging pipe heads are installed at the front ends of the metering mark cylinders, a first branch pipe and a second branch pipe are symmetrically installed on the discharging pipe heads, the first branch pipe is communicated with a raw material tank through a guide pipe, and injection piston rods are slidably installed in the metering mark cylinders. A sealing cover plate is installed at the other ends of the metering label cylinders, an air guide pipe is embedded in the sealing cover plate, and the air guide pipe is communicated with a suction assembly. The metering type feeding device for high-temperature-resistant lubricating grease production has the advantages of being simple in structure and high in metering and conveying efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lubricating grease production equipment, especially to a metering type feeding device for high-temperature-resistant lubricating grease production. BACKGROUND

[0002] The high-temperature-resistant lubricating grease is refined from organic thickening agent thickened ester synthetic oil with excellent low-temperature performance and various additives such as antioxidants and rust inhibitors. This low-temperature grease is designed mainly for the lubrication of precision equipment that requires minimal torque for movement and operation at low temperatures, providing excellent rust and corrosion protection.

[0003] In the processing and production of high-temperature-resistant lubricating grease, different raw materials need to be fed according to the designed ratio. In the existing lubricating grease production process, the raw materials need to be measured and then mixed, which reduces the mixing efficiency of the lubricating grease and thus the production efficiency of the lubricating grease.

[0004] Therefore, it is necessary to provide a new metering type feeding device for high-temperature-resistant lubricating grease production to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the utility model provides a metering type feeding device for high-temperature-resistant lubricating grease production.

[0006] The metering type feeding device for high-temperature-resistant lubricating grease production provided by the utility model comprises a rack, two groups of end plates erected above the rack, through holes formed in the middle portions of the two groups of end plates, a control box installed on the rack, a plurality of metering barrels uniformly installed on the two groups of end plates, a discharge pipe head installed at the front end of each metering barrel, a branch pipe one and a branch pipe two symmetrically installed on the discharge pipe head, a raw material tank communicated with the branch pipe one through a conduit, an injection piston rod slidingly installed in each metering barrel, a sealing cover plate for sealing the metering barrel and the injection piston rod installed at the other end of each metering barrel, an air guide pipe embedded in the sealing cover plate, a suction assembly communicated with the air guide pipe, and a metering limiting assembly installed at the end of the injection piston rod.

[0007] The control box is installed on the rack.

[0008] The metering barrels are uniformly installed on the two groups of end plates, and the discharge pipe head is installed at the front end of each metering barrel.

[0009] A confluence pipe is installed on the end plate of one side of the rack, one end of the confluence pipe is communicated with the branch pipe two of each metering barrel, and a conduction assembly for switching the branch pipe one and the branch pipe two to be communicated with the metering barrel is installed on the confluence pipe.

[0010] Preferably, the suction assembly comprises a gas guide ring, the gas guide ring is provided with a threaded through hole connected with the gas guide pipe, and the bottom end of the gas guide ring is communicated with a suction pipe, the bottom end of the suction pipe is communicated with an electromagnetic switch valve, the electromagnetic switch valve is respectively communicated with an air pump and an air pump through a conduit, and the air pump, the air pump and the electromagnetic switch valve are electrically connected with the control box.

[0011] Preferably, the metering limiting component comprises a connecting plate, the connecting plate is fixedly installed on the end of the injection piston rod, and the connecting plate is provided with a limiting rod, a plurality of limiting holes are uniformly formed in the limiting rod, the metering limiting component further comprises a limiting chuck, the limiting chuck is fixedly installed on the end plate on the other side of the rack, and the limiting chuck is provided with a sliding hole matched with the limiting rod in sliding mode, and one of the limiting holes in the limiting rod is screwed with a limiting clamping nail.

[0012] Preferably, the limiting rod is equal in length to the injection piston rod, and the plurality of limiting holes formed in the limiting rod correspond one by one to the metering scales of the metering cylinders.

[0013] Preferably, the through component comprises a plurality of sealing heads and a large gear ring, the sealing heads are fixedly installed on the discharge pipe heads at the front ends of the metering cylinders, and the transmission rods are rotatably installed in the sealing heads, one end of the transmission rod inserted into the discharge pipe head is provided with a through block for switching the communication between the branch pipes one and two and the metering cylinders, the other end of the transmission rod is fixedly provided with a small gear ring, the large gear ring is rotatably installed on the manifold and is engaged with the small gear ring, the servo motor is installed on the manifold through a support, the output shaft of the servo motor is engaged with the large gear ring through a gear, and the servo motor is electrically connected with the control box.

[0014] Preferably, the sealing head is provided with a discharge hole communicated with the discharge pipe head, the side wall of the discharge hole is provided with a liquid guide hole one and a liquid guide hole two communicated with the branch pipes one and two respectively, and the through block is arranged in the discharge hole.

[0015] Preferably, the through block is a three-quarter cylinder, and the diameter of the cylinder is equal to the inner diameter of the discharge hole.

[0016] Compared with the related art, the metering type feeding device for high-temperature resistant grease production has the following beneficial effects:

[0017] 1. The metering type feeding device for high-temperature resistant grease production is provided with a discharge pipe head at the front end of the metering cylinder, the discharge pipe head is matched with the branch pipes one and two and the through component, automatic material suction and discharge can be realized, and the switching of the through component is convenient.

[0018] 2、The injection piston rod utilizes the metering limiting assembly to cooperate with the suction assembly, so that the multiple raw materials can be synchronously sucked and discharged in proportion, the overall structure is simple, and the metering and proportioning feeding of the high-temperature resistant lubricating grease production raw materials is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structure schematic view of a preferred embodiment of the metering type feeding device for high-temperature resistant lubricating grease production provided by the present application;

[0020] Figure 2 A structure schematic view of another perspective of the metering type feeding device for high-temperature resistant lubricating grease production provided by the present application;

[0021] Figure 3 A cross-sectional structure schematic view of the metering type feeding device for high-temperature resistant lubricating grease production provided by the present application;

[0022] Figure 4 A structure schematic view of the metering limiting assembly installed on the injection piston rod provided by the present application;

[0023] Figure 5 A structure schematic view of the lead-through assembly installed on the manifold provided by the present application;

[0024] Figure 6 A structure schematic view of the lead-through block installed on the plugging head provided by the present application.

[0025] The figure marks: 1, rack; 11, end plate; 2, metering barrel; 21, injection piston rod; 22, manifold; 3, discharge pipe head; 31, branch pipe one; 32, branch pipe two; 4, raw material tank; 5, sealing cover plate; 51, air guide pipe; 6, suction assembly; 61, air guide ring; 62, suction pipe; 63, electromagnetic switching valve; 64, air suction pump; 65, air charging pump; 7, metering limiting assembly; 71, connecting plate; 72, limiting rod; 73, limiting chuck; 74, limiting chuck pin; 701, limiting hole; 8, lead-through assembly; 81, plugging head; 82, transmission rod; 83, lead-through block; 84, small gear ring; 85, large gear ring; 86, servo motor; 801, discharge hole; 802, liquid guide hole one; 803, liquid guide hole two; 9, control box. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0027] The specific implementation of the present application is described in detail below by combining with the specific embodiments.

[0028] With reference to Figures 1 to 6 The utility model discloses a kind of metering feeder for high-temperature resistant lubricating grease production, metering feeder for high-temperature resistant lubricating grease production includes:

[0029] Frame 1 and the two groups of end plates 11 erected on frame 1, the middle part of two groups of end plates 11 is provided with through hole;

[0030] Control box 9 is installed on frame 1;

[0031] Metering cylinder 2 is provided with several, several metering cylinders 2 are evenly installed on two groups of end plates 11, and the front end of several metering cylinders 2 is provided with discharge pipe head 3, discharge pipe head 3 is symmetrically provided with branch pipe one 31 and branch pipe two 32, branch pipe one 31 is communicated with raw material tank 4 by pipe, injection piston rod 21 is slidably installed in several metering cylinders 2, another end of several metering cylinders 2 is provided with sealing cover plate 5 for sealing metering cylinder 2 and injection piston rod 21, sealing cover plate 5 is embedded with gas guide pipe 51, and suction assembly 6 is communicated with gas guide pipe 51, and the tail end of injection piston rod 21 is provided with metering limiting assembly 7;

[0032] Converging pipe 22 is installed on the end plate 11 of one side of frame 1, and one end of converging pipe 22 is communicated with branch pipe two 32 on several metering cylinders 2, and on converging pipe 22 is installed for switching branch pipe one 31 and branch pipe two 32 and metering cylinder 2 communication Conducting assembly 8;

[0033] Suction assembly 6 includes gas guide ring 61, and the threaded through hole of gas guide ring 61 is threadedly connected with gas guide pipe 51, and the bottom end of gas guide ring 61 is communicated with suction pipe 62, and the bottom end of suction pipe 62 is communicated with electromagnetic switch valve 63, and electromagnetic switch valve 63 is respectively communicated with air pump 64 and inflation pump 65 through pipe, and inflation pump 65, air pump 64 and electromagnetic switch valve 63 are electrically connected with control box 9;

[0034] Metering limiting assembly 7 includes connecting plate 71, and connecting plate 71 is fixedly installed on the tail end of injection piston rod 21, and limiting rod 72 is installed on connecting plate 71, and several limiting holes 701 are evenly provided on limiting rod 72, and metering limiting assembly 7 further includes limiting chuck 73, and limiting chuck 73 is fixedly installed on the end plate 11 of the other side of frame 1, and slide hole is provided on limiting chuck 73 and limiting rod 72 is slidably matched, and limiting pin 74 is threadedly installed in one of limiting holes 701 on limiting rod 72.

[0035] It should be noted that: in use, the raw materials of the high-temperature-resistant lubricating grease are poured into the raw material tank 4, and then the limiting pin 74 is inserted into the corresponding scale limiting hole 701 according to the requirement of the proportioning, then the control box 9 is used to control the on-off assembly 8 to regulate the communication between the branch pipe one 31 and the metering cylinder 2, then the suction pump 64 of the control suction assembly 6 is started, and the air between the injection piston rod 21 and the sealing cover plate 5 in the metering cylinder 2 is sucked out through the suction pipe 62, the air guide ring 61 and the air guide pipe 51, when the air is sucked, the negative pressure is formed, so that the injection piston rod 21 is slowly moved to suck the raw materials in the raw material tank 4 into the metering cylinder 2, until the limiting pin 74 is clamped on one side of the limiting chuck 73, the metering suction is completed, after all the raw materials are sucked to the limited position, the suction pump 64 is closed, the control on-off assembly 8 is regulated to regulate the communication between the branch pipe two 32 and the metering cylinder 2, then the air charging pump 65 is started, and the air charging pump 65 injects the gas between the injection piston rod 21 and the sealing cover plate 5 in the metering cylinder 2 through the suction pipe 62, the air guide ring 61 and the air guide pipe 51, so as to push the injection piston rod 21 to push the internal raw materials from the branch pipe two 32 into the collecting pipe 22, and the metering and proportioning of the raw materials are completed, and after the pushing is completed, the next quantitative proportioning and suction and discharge cycle can be entered.

[0036] It should be noted that: the air pressure sensor is installed on the suction pipe 62, and the air pressure sensor is electrically connected with the control box 9, so that when the air is sucked, the pressure in the suction pipe 62 is monitored and transmitted to the control box 9, and when the air or the gas is in place, the control box 9 controls the start and stop of the suction pump 64 and the air charging pump 65.

[0037] In the embodiment, the limiting rod 72 is equal in length to the injection piston rod 21, and the limiting rod 72 is provided with a plurality of limiting holes 701 corresponding to the metering scales of the metering cylinder 2, so that the limiting pin 74 is inserted into the limiting hole 701 corresponding to the metering scale, and the amount of raw materials sucked by the injection piston rod 21 can be quantitatively controlled.

[0038] In the embodiment of the utility model, please refer to Figure 1 and Figure 4 The on-off assembly 8 comprises a plurality of plugging heads 81 and a large gear ring 85, the plurality of plugging heads 81 are fixedly installed on the outlet pipe heads 3 at the front ends of the plurality of metering cylinders 2 respectively, and the transmission rods 82 are rotatably installed in the plurality of plugging heads 81, one end of the transmission rod 82 extending into the outlet pipe head 3 is provided with a on-off block 83 for switching the communication between the branch pipe one 31 and the branch pipe two 32 and the metering cylinder 2, the other end of the transmission rod 82 is fixedly provided with a small gear ring 84, the large gear ring 85 is rotatably installed on the collecting pipe 22 and is engaged with the small gear ring 84, the servo motor 86 is installed on the collecting pipe 22 through a support, the output shaft of the servo motor 86 is engaged with the large gear ring 85 through a gear, and the servo motor 86 is electrically connected with the control box 9.

[0039] The discharge hole 801 is provided with a liquid guide hole one 802 and a liquid guide hole two 803 which are communicated with the branch pipe one 31 and the branch pipe two 32 respectively, and the guide block 83 is arranged in the discharge hole 801;

[0040] The guide block 83 is a three-quarter cylinder, and the diameter of the cylinder is equal to the inner diameter of the discharge hole 801.

[0041] It should be noted that: when the branch pipe one 31 needs to be communicated with the metering cylinder 2, the servo motor 86 is controlled to drive the gear ring 85 to rotate, the gear ring 85 is engaged with the pinion 84, thereby driving the transmission rod 82 to drive the guide block 83 to rotate, when the one quarter gap of the cylinder of the guide block 83 is directed to the liquid guide hole one 802, the discharge hole 801 is only communicated with the liquid guide hole one 802, thereby realizing that the branch pipe one 31 is communicated with the metering cylinder 2 through the liquid guide hole one 802, the discharge hole 801 and the discharge pipe head 3, when the branch pipe two 32 needs to be communicated with the metering cylinder 2, the one quarter gap of the cylinder of the guide block 83 is directed to the liquid guide hole two 803, when the branch pipe one 31 and the branch pipe two 32 need to be closed, the one quarter gap of the cylinder of the guide block 83 is vertically arranged, the whole guide switching structure is simple, convenient to operate, and convenient for quantitative suction and discharge.

[0042] The working principle of the metering type feeding device for high-temperature resistant lubricating grease production is as follows:

[0043] In use, the raw materials of the high-temperature-resistant lubricating grease, lubricating oil, additives and thickening agents are poured into the raw material tank 4, then the limiting clamps 74 are inserted into the corresponding scale limiting holes 701 according to the requirements of the proportioning, the control branch pipe one 31 is communicated with the metering cylinder 2, the servo motor 86 drives the large gear ring 85 to rotate, the large gear ring 85 is engaged with the small gear ring 84, so that the transmission rod 82 drives the on-off block 83 to rotate, when the quarter of the cylinder of the on-off block 83 is directed to the liquid guide hole one 802, at this time, the discharge hole 801 is only communicated with the liquid guide hole one 802, so that the control branch pipe one 31 is communicated with the metering cylinder 2 through the liquid guide hole one 802, the discharge hole 801 and the discharge pipe head 3, after the communication, the suction pump 64 of the suction assembly 6 is started, the air between the injection piston rod 21 and the sealing cover plate 5 in the metering cylinder 2 is sucked out through the suction pipe 62, the air guide ring 61 and the air guide pipe 51, when the air is sucked, the negative pressure is formed, so that the injection piston rod 21 is slowly moved to suck the raw materials in the raw material tank 4 into the metering cylinder 2, until the limiting clamps 74 are clamped on one side of the limiting chuck 73, the metering and suction are completed, after all the raw materials are sucked to the limited position, the suction pump 64 is closed, then the quarter of the cylinder of the on-off block 83 is directed to the liquid guide hole two 803, the control branch pipe two 32 is communicated with the metering cylinder 2, then the air pump 65 is started, the air pump 65 injects the gas between the injection piston rod 21 and the sealing cover plate 5 in the metering cylinder 2 through the suction pipe 62, the air guide ring 61 and the air guide pipe 51, so that the injection piston rod 21 is pushed forward to push the internal raw materials to flow into the manifold 22 from the control branch pipe two 32, the metering and proportioning are completed, after the complete pushing, the next metering and proportioning are entered.

[0044] The circuit and the control involved in the utility model are prior art, and too much description is not given here.

[0045] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations obtained by using the utility model specification and the drawings, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A metering feeding device for high-temperature resistant grease production, comprising: a rack (1) and two sets of end plates (11) arranged above the rack (1), the middle portions of the two sets of end plates (11) being provided with through holes; a control box (9) mounted on the rack (1); characterized in that it further comprises: a plurality of metering barrels (2) mounted on the two sets of end plates (11), the front ends of the plurality of metering barrels (2) being provided with discharge pipe heads (3), the discharge pipe heads (3) being symmetrically provided with branch pipes one (31) and branch pipes two (32), the branch pipes one (31) being connected with raw material tanks (4) through pipes, the plurality of metering barrels (2) being slidably provided with injection piston rods (21), the other ends of the plurality of metering barrels (2) being provided with sealing cover plates (5) for sealing the metering barrels (2) and the injection piston rods (21), the sealing cover plates (5) being embedded with air guide pipes (51), the air guide pipes (51) being connected with suction assemblies (6), the ends of the injection piston rods (21) being provided with metering limiting assemblies (7); a flow collecting pipe (22) mounted on the end plate (11) on one side of the rack (1), one end of the flow collecting pipe (22) being connected with the branch pipes two (32) of the plurality of metering barrels (2), the flow collecting pipe (22) being provided with a conduction assembly (8) for switching the branch pipes one (31) and the branch pipes two (32) to be connected with the metering barrels (2).

2. The metering feeder for high-temperature grease production according to claim 1, characterized in that The suction assembly (6) comprises an air guide ring (61) provided with a threaded through hole connected with the air guide pipe (51), the bottom end of the air guide ring (61) being connected with a suction pipe (62), the bottom end of the suction pipe (62) being connected with an electromagnetic switch valve (63), the electromagnetic switch valve (63) being connected with an air suction pump (64) and an air charging pump (65) through pipes, respectively, the air charging pump (65), the air suction pump (64) and the electromagnetic switch valve (63) being electrically connected with the control box (9).

3. The metering feeder for high-temperature grease production according to claim 1, characterized in that The metering limiting assembly (7) comprises a connecting plate (71) fixedly mounted on the end of the injection piston rod (21), the connecting plate (71) being provided with a limiting rod (72), a plurality of limiting holes (701) being uniformly provided in the limiting rod (72), the metering limiting assembly (7) further comprising a limiting chuck (73) fixedly mounted on the end plate (11) on the other side of the rack (1), the limiting chuck (73) being provided with a sliding hole slidably matched with the limiting rod (72), one of the limiting holes (701) in the limiting rod (72) being threadedly provided with a limiting clamping nail (74).

4. The metering feeder for high-temperature grease production according to claim 3, characterized in that The limiting rod (72) is equal in length to the injection piston rod (21), and the plurality of limiting holes (701) provided in the limiting rod (72) one-to-one correspond to the metering scales of the metering barrels (2).

5. The metering feeder for high-temperature grease production according to claim 1, characterized in that The on-off assembly (8) comprises a plurality of sealing heads (81) and a large gear ring (85), the sealing heads (81) are fixedly installed on the discharge pipe heads (3) at the front ends of the plurality of metering barrels (2) respectively, and the transmission rods (82) are rotatably installed in the sealing heads (81), one end of the transmission rod (82) extending into the discharge pipe head (3) is provided with a on-off block (83) for switching the communication of the branch pipe one (31) and the branch pipe two (32) with the metering barrel (2), the other end of the transmission rod (82) is fixedly provided with a small gear ring (84), the large gear ring (85) is rotatably installed on the manifold (22) and is engaged with the small gear ring (84), the servo motor (86) is installed on the manifold (22) through a support, the output shaft of the servo motor (86) is engaged with the large gear ring (85) through a gear, and the servo motor (86) is electrically connected with the control box (9).

6. The metering feeder for high-temperature grease production according to claim 5, characterized in that The sealing head (81) is provided with a discharge hole (801) communicated with the discharge pipe head (3), the side wall of the discharge hole (801) is provided with a liquid guide hole one (802) and a liquid guide hole two (803) communicated with the branch pipe one (31) and the branch pipe two (32) respectively, and the on-off block (83) is arranged in the discharge hole (801).

7. The metering feeder for high-temperature grease production according to claim 6, characterized in that The on-off block (83) is a three-quarter cylinder, and the diameter of the cylinder is equal to the inner diameter of the discharge hole (801).

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