Manual lubricating oil pump of injection molding machine
By setting the sealing fixing structure of the sealing cover and the limit storage structure of the control handle in the manual lubricating oil pump of the injection molding machine, the problem of easy loosening of the sealing cover and handle in the oil pump is solved, and the stability and normal use of the equipment are improved.
Patent Information
- Application Number
- CN202421012251.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing manual lubricating oil pump of the injection molding machine lacks the storage structure of the oil pump handle, which causes the handle to easily deflect and loosen due to accidental touch and other reasons; the sealing cover of the oil cup lacks a compression structure, which makes it easy to loosen oil leakage due to vibration and other reasons, affecting the normal use of the oil pump.
A manual lubricating oil pump for injection molding machines is designed, and the sealing cover is tightened and fixed by setting up a sealing cover, rotating frame, knob, screw rod, and pressing block; at the same time, by setting up a control handle, storage groove, limit buckle, and snap groove, limit storage of the control handle is achieved to avoid deflection and loosening.
It effectively avoids loosening of the sealing cover due to vibration and other reasons, and increases the installation stability of the sealing cover; at the same time, through the limit storage structure, the control handle is prevented from deflecting and loosening, and the stability and normality of the oil pump are improved.
Smart Images

Figure CN222836648U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lubrication of injection molding machines, in particular to a manual lubricating oil pump for injection molding machines. Background Art
[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. Injection molding machines can be divided into vertical, horizontal and vertical-horizontal composite types according to the arrangement of the injection device and the clamping device. During the use of the injection molding machine, in order to reduce its energy consumption and increase the life of parts, it is necessary to regularly add lubricating oil to each component, which involves the use of a manual lubricating oil pump.
[0003] The existing manual lubricating oil pump for injection molding machines lacks a storage structure for the oil pump handle, which causes the handle to deflect and loosen due to accidental touch during use. At the same time, the sealing cover of the oil cup lacks a clamping structure and is prone to loosening and oil leakage due to vibration, affecting the normal use of the oil pump. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a manual lubricating oil pump for an injection molding machine, which solves the problem that the manual lubricating oil pump for an injection molding machine lacks a storage structure for the oil pump handle, which causes the handle to deflect and loosen easily due to accidental touch during use, and at the same time, the sealing cover of the oil cup lacks a clamping structure, which is easy to loosen and leak oil due to vibration and other reasons, affecting the normal use of the oil pump.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a manual lubricating oil pump for an injection molding machine, comprising an oil pump body, a mounting seat fixedly installed on the rear side of the oil pump body, a capacity oil cup arranged at the upper end of the oil pump body, a sealing cover arranged at the upper end of the capacity oil cup, a rotating frame arranged above the sealing cover, a knob arranged at the upper end of the rotating frame, a screw rod fixedly installed at the lower end of the knob, a pressure block arranged at the lower end of the screw rod, an oil delivery pipeline arranged on the right side of the oil pump body, a control handle arranged on the front side of the oil pump body, a limiting seat fixedly installed on the front end of the sealing cover, a receiving groove arranged on the front side of the limiting seat, and a limiting buckle arranged on the inner side of the receiving groove.
[0006] Preferably, the lower end of the capacity oil cup and the input end of the oil pump body are connected to each other, a scale bar is provided on the surface of the capacity oil cup, the capacity oil cup is made of transparent material, and the sealing cover and the upper end of the capacity oil cup are detachably connected, so as to facilitate observation of the oil storage amount of the capacity oil cup and timely addition of lubricating oil.
[0007] Preferably, the rotating frame is designed in a U-shaped structure, the lower end of the rotating frame is rotatably connected to the left and right sides of the capacity oil cup, the screw rod and the surface of the rotating frame are vertically penetrated and threadedly connected to the rotating frame, the lower end of the screw rod is rotatably connected to the upper end of the pressure block, and the lower end of the pressure block is tightly fitted with the surface of the sealing cover to achieve compression and fixation of the sealing cover.
[0008] Preferably, one end of the oil pipeline is connected to the output end of the oil pump body, and the other end of the oil pipeline is connected to a splitter to facilitate lubrication of various components of the injection molding machine.
[0009] Preferably, the lower end of the control handle is rotatably connected to the oil pump body, the upper end of the control handle and the inner side of the storage groove are adapted to each other, and the storage groove is designed in a U-shaped structure to facilitate the storage of the control handle.
[0010] Preferably, a buckle groove is opened on the inner side of the storage groove, and the limit buckle and the buckle groove are located on the front side of the control handle and are symmetrically arranged in two. One end of the limit buckle is slidingly connected to the inner side of the buckle groove and is elastically connected to the inner side of the buckle groove through a spring. The other end of the limit buckle extends to the outer side of the buckle groove and is designed in a trapezoidal structure to achieve limit engagement of the control handle.
[0011] Beneficial Effects
[0012] The utility model provides a manual lubricating oil pump for an injection molding machine. Compared with the prior art, it has the following beneficial effects:
[0013] 1. The manual lubricating oil pump of the injection molding machine is provided with a sealing cover, a rotating frame, a knob, a screw rod and a pressure block. The pressure block is moved to the top of the sealing cover by rotating the rotating frame, and the screw rod is rotated by rotating the knob to rotate, so that the screw rod drives the pressure block to descend until it is closely fitted with the surface of the sealing cover, thereby achieving the compression and fixation of the sealing cover, increasing the stability of the sealing cover installation, and effectively preventing the sealing cover from loosening due to vibration and other reasons.
[0014] 2. The manual lubricating oil pump of the injection molding machine is provided with a control handle, a storage slot, a limit buckle and a buckle slot. When the control handle is not in use, the upper end of the control handle is moved into the storage slot by rotating the control handle. At this time, the limit buckle is forced into the buckle slot until the control handle moves to the rear of the buckle slot and is completely fitted with the inner side of the storage slot. The limit buckle pops up and resets under the action of the spring force, thereby realizing the limited storage of the control handle and effectively preventing the control handle from deflecting and loosening. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;
[0016] Figure 2The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;
[0017] Figure 3 It is a top view of a partially half-sectioned structure of the utility model.
[0018] In the figure: 1. oil pump body; 2. mounting seat; 3. capacity oil cup; 31. scale bar; 4. sealing cover; 5. rotating frame; 6. knob; 7. screw rod; 8. pressure block; 9. oil pipeline; 91. splitter; 10. control handle; 11. limit seat; 12. storage slot; 13. limit buckle; 131. buckle slot. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-3 The utility model provides a technical solution: a manual lubricating oil pump for an injection molding machine, comprising an oil pump body 1, a mounting seat 2 is fixedly installed on the rear side of the oil pump body 1, a capacity oil cup 3 is arranged on the upper end of the oil pump body 1, a sealing cover 4 is arranged on the upper end of the capacity oil cup 3, the lower end of the capacity oil cup 3 and the input end of the oil pump body 1 are connected to each other, a scale bar 31 is arranged on the surface of the capacity oil cup 3, the capacity oil cup 3 is made of transparent material, the sealing cover 4 and the upper end of the capacity oil cup 3 are detachably connected, a rotating frame 5 is arranged above the sealing cover 4, a knob 6 is arranged on the upper end of the rotating frame 5, a screw rod 7 is fixedly installed on the lower end of the knob 6, a pressing block 8 is arranged on the lower end of the screw rod 7, and the rotating frame 5 is U-shaped The structural design is that the lower end of the rotating frame 5 is rotatably connected to the left and right sides of the capacity oil cup 3, the screw rod 7 and the surface of the rotating frame 5 are vertically penetrated and are threadedly connected to the rotating frame 5, the lower end of the screw rod 7 is rotatably connected to the upper end of the pressure block 8, and the lower end of the pressure block 8 is tightly fitted with the surface of the sealing cover 4. The mounting seat 2 is fixed in a suitable position by using bolts. After the sealing cover 4 and the capacity oil cup 3 are assembled, the pressure block 8 is moved to the top of the sealing cover 4 by rotating the rotating frame 5, and the knob 6 is turned to drive the screw rod 7 to rotate, so that the screw rod 7 drives the pressure block 8 to descend until it is tightly fitted with the surface of the sealing cover 4, thereby realizing the compression and fixation of the sealing cover 4 and increasing the stability of the installation of the sealing cover 4.
[0021] An oil pipeline 9 is arranged on the right side of the oil pump body 1, one end of the oil pipeline 9 is connected to the output end of the oil pump body 1, and the other end of the oil pipeline 9 is connected to a splitter 91. A control handle 10 is arranged on the front side of the oil pump body 1, a limit seat 11 is fixedly installed on the front end of the sealing cover 4, and a receiving groove 12 is provided on the front side of the limit seat 11. The lower end of the control handle 10 is rotatably connected to the oil pump body 1, and the upper end of the control handle 10 and the inner side of the receiving groove 12 are adapted to each other. The receiving groove 12 is designed in a U-shaped structure. By swinging the control handle 10 back and forth, the oil pump body 1 can be controlled to input the lubricating oil in the capacity oil cup 3 into the oil pipeline 9, and the oil is diverted to various components through the splitter 91 to achieve lubrication of various components of the injection molding machine. When in use, the remaining lubricating oil in the capacity oil cup 3 can be judged by the scale bar 31, which is convenient for timely addition of lubricating oil.
[0022] A limit buckle 13 is provided on the inner side of the storage slot 12, and a buckle slot 131 is opened on the inner side of the storage slot 12. The limit buckle 13 and the buckle slot 131 are located on the front side of the control handle 10 and are symmetrically arranged. One end of the limit buckle 13 is slidably connected to the inner side of the buckle slot 131, and is elastically connected to the inner side of the buckle slot 131 through a spring. The other end of the limit buckle 13 extends to the outer side of the buckle slot 131 and is designed in a trapezoidal structure. When the control handle 10 is not in use, the upper end is moved into the storage slot 12 by rotating the control handle 10. At this time, the limit buckle 13 is forced to enter the buckle slot 131 until the control handle 10 moves to the rear of the buckle slot 131 and is completely fitted with the inner side of the storage slot 12. The limit buckle 13 pops up and resets under the action of the spring force, thereby realizing the limited storage of the control handle 10.
[0023] During use, the mounting base 2 is fixed in a suitable position by using bolts. After the sealing cover 4 and the capacity oil cup 3 are assembled, the pressing block 8 is driven to move to the top of the sealing cover 4 by rotating the rotating frame 5, and the screw rod 7 is rotated to rotate, so that the screw rod 7 drives the pressing block 8 to descend until it is tightly fitted with the surface of the sealing cover 4, thereby achieving the compression and fixation of the sealing cover 4, increasing the stability of the installation of the sealing cover 4, and effectively preventing the sealing cover 4 from loosening due to vibration and the like. By swinging the control handle 10 back and forth, the oil pump body 1 can be controlled to input the lubricating oil in the capacity oil cup 3 into the oil delivery pipeline 9, and the oil is diverted to various components through the splitter 91, thereby achieving Now for the lubrication of various parts of the injection molding machine, the remaining lubricating oil in the capacity oil cup 3 can be judged by the scale bar 31 during use, which is convenient for timely adding of lubricating oil. When the control handle 10 is not in use, the upper end is moved into the storage groove 12 by rotating the control handle 10. At this time, the limit buckle 13 is forced into the buckle groove 131 until the control handle 10 moves to the rear of the buckle groove 131 and is completely fitted with the inner side of the storage groove 12. The limit buckle 13 pops up and resets under the action of the spring force, realizing the limited storage of the control handle 10, effectively preventing the control handle 10 from deflecting and loosening, and it can be pulled out of the storage groove 12 for subsequent use.
[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A manual lubricating oil pump for an injection molding machine, comprising an oil pump body (1), characterized in that: A mounting seat (2) is fixedly mounted on the rear side of the oil pump body (1); a capacity oil cup (3) is arranged at the upper end of the oil pump body (1); a sealing cover (4) is arranged at the upper end of the capacity oil cup (3); a rotating frame (5) is arranged above the sealing cover (4); a knob (6) is arranged at the upper end of the rotating frame (5); a screw rod (7) is fixedly mounted on the lower end of the knob (6); a pressure block (8) is arranged at the lower end of the screw rod (7); an oil delivery pipeline (9) is arranged on the right side of the oil pump body (1); a control handle (10) is arranged on the front side of the oil pump body (1); a limit seat (11) is fixedly mounted on the front end of the sealing cover (4); a receiving groove (12) is provided on the front side of the limit seat (11); a limit buckle (13) is arranged on the inner side of the receiving groove (12).
2. A manual lubricating oil pump for an injection molding machine according to claim 1, characterized in that: The lower end of the capacity oil cup (3) and the input end of the oil pump body (1) are connected to each other, a scale bar (31) is provided on the surface of the capacity oil cup (3), the capacity oil cup (3) is made of a transparent material, and the sealing cover (4) and the upper end of the capacity oil cup (3) are detachably connected.
3. A manual lubricating oil pump for an injection molding machine according to claim 1, characterized in that: The rotating frame (5) is designed in a U-shaped structure. The lower end of the rotating frame (5) is rotatably connected to the left and right sides of the capacity oil cup (3). The screw rod (7) and the surface of the rotating frame (5) are vertically penetrated and are threadedly connected to the rotating frame (5). The lower end of the screw rod (7) is rotatably connected to the upper end of the pressing block (8), and the lower end of the pressing block (8) is tightly fitted to the surface of the sealing cover (4).
4. A manual lubricating oil pump for an injection molding machine according to claim 1, characterized in that: One end of the oil delivery pipeline (9) is connected to the output end of the oil pump body (1), and the other end of the oil delivery pipeline (9) is connected to a splitter (91).
5. The manual lubricating oil pump for injection molding machine according to claim 1, characterized in that: The lower end of the control handle (10) is rotatably connected to the oil pump body (1), the upper end of the control handle (10) and the inner side of the receiving groove (12) are mutually adapted, and the receiving groove (12) is designed in a U-shaped structure.
6. The manual lubricating oil pump for injection molding machine according to claim 1, characterized in that: A buckle groove (131) is provided on the inner side of the storage groove (12); the limit buckle (13) and the buckle groove (131) are located on the front side of the control handle (10) and are symmetrically arranged in two positions; one end of the limit buckle (13) is slidably connected to the inner side of the buckle groove (131) and is elastically connected to the inner side of the buckle groove (131) via a spring; the other end of the limit buckle (13) extends to the outer side of the buckle groove (131) and is designed in a trapezoidal structure.