An oil pump assembly apparatus

Abstract

The application provides an oil pump assembling device, which comprises a rack, a material moving power assembly, a pre-assembling assembly, a screw locking assembly and a screw height detecting assembly. The material moving tool can support the front pump cover and the pump shell. Then the material moving power assembly continues to drive the material moving tool to move to the pre-assembling position, and the pre-assembling assembly can pre-install the front pump cover on the pump shell. Then the material moving power assembly continues to drive the material moving tool to move to the screw locking position, and the screw locking assembly can lock the screw body on the front pump cover to realize the connection and fixation of the front pump cover and the pump shell. Then the material moving power assembly drives the material moving tool to move to the height detecting position, and the screw height detecting assembly can detect the installation height of the screw body to realize the detection of the installation precision of the screw body. The oil pump assembling device can realize the automatic screw locking of the front pump cover and the pump shell and the height detection of the screw body, which helps to improve the production efficiency and the yield of the oil pump.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric machines, and more particularly relates to an oil pump assembling device. BACKGROUND

[0002] The oil pump usually comprises a pump shell, a motor installed in the pump shell, a front pump cover connected with one end of the pump shell, and a rear pump cover connected with the other end of the pump shell, and the front pump cover and the rear pump cover are usually connected with the pump shell through screw locking.

[0003] However, the screw locking operation between the front pump cover and the pump shell and the screw height detection operation are usually completed manually by workers, which leads to low efficiency of the assembling operation between the front pump cover and the pump shell and affects the production efficiency of the oil pump. SUMMARY

[0004] The embodiment of the application aims to provide an oil pump assembling device to solve the problem of low efficiency of the assembling operation between the front pump cover and the pump shell and affect the production efficiency of the oil pump in the prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the embodiment of the application is:

[0006] The oil pump assembling device is used for assembling the pump shell and the front pump cover into an assembly, and comprises:

[0007] A rack, wherein the rack is provided with a feeding position, a pre-assembling position, a screw locking position and a height detection position;

[0008] A material moving power assembly is installed on the rack, wherein the material moving power assembly is provided with a material moving tool for supporting the pump shell and the front pump cover, and the material moving power assembly is used for driving the material moving tool to pass through the feeding position, the pre-assembling position, the screw locking position and the height detection position in sequence;

[0009] A pre-assembling assembly is installed on the pre-assembling position, and is used for pre-installing the front pump cover on the pump shell;

[0010] A screw locking assembly is installed on the screw locking position, and is used for connecting the front pump cover and the pump shell through a screw body;

[0011] A screw height detection assembly is installed on the height detection position, and is used for detecting the installation height of the screw body.

[0012] In one embodiment, the pre-assembly assembly comprises a pre-assembly support mounted on the rack, a pre-assembly clamp for clamping the front pump cover, and a pre-assembly power unit for driving the pre-assembly clamp to reciprocate; the pre-assembly power unit is mounted on the pre-assembly support, and the output end of the pre-assembly power unit is connected with the pre-assembly clamp.

[0013] In one embodiment, the locking screw assembly comprises a first locking screw support mounted on the rack, an upper pressing plate slidingly mounted on the first locking screw support in the vertical direction, an upper positioning needle mounted on the upper pressing plate, a second locking screw support mounted on the rack, a locking screw machine for locking screw, and a locking screw power unit for driving the locking screw machine to reciprocate; the locking screw power unit is mounted on the second locking screw support, the output end of the locking screw power unit is connected with the locking screw machine, the locking screw machine is located above the upper pressing plate, and the upper pressing plate is provided with an upper avoiding hole for the locking screw machine to pass through.

[0014] In one embodiment, the locking screw assembly further comprises a first elastic member, one end of the first elastic member is in abutment with the first locking screw support, and the other end of the first elastic member is in abutment with the upper pressing plate.

[0015] In one embodiment, the screw height detection assembly comprises a height detection support mounted on the rack, a height detection needle for detecting the height of the screw, a first support seat supporting the height detection needle, a second support seat supporting the first support seat, a detection lifting member for driving the second support seat to lift and fall, and a second elastic member connecting the first support seat and the second support seat; the detection lifting member is mounted on the height detection support, the output end of the detection lifting member is connected with the first support seat, the second support seat is mounted on the detection lifting member, and the first support seat is slidingly mounted on the second support seat; one end of the second elastic member is in abutment with the first support seat, and the other end of the second elastic member is in abutment with the second support seat.

[0016] In one embodiment, the screw height detection assembly further comprises a height resisting rod for abutting against the top of the front pump cover, and the height resisting rod is mounted on the bottom of the first support seat.

[0017] In one embodiment, the screw height detection assembly further comprises a height detection clamping unit, the height detection clamping unit comprises a clamping support mounted on the rack, a detection clamping member for clamping the assembly, and a detection power member for driving the detection clamping member to reciprocate; the detection power member is mounted on the clamping support, and the output end of the detection power member is connected with the detection clamping member.

[0018] In one embodiment, the oil pump assembly device further comprises a camera assembly arranged between the feeding position and the pre-assembly position, the camera assembly comprising a camera support mounted on the rack and a camera mounted on the camera support.

[0019] In one embodiment, the pump housing is rotatably mounted with a rotating shaft, the rotating shaft is sleeved with an internal gear, the internal gear is sleeved with an external gear, the external teeth of the internal gear are engaged with the internal teeth of the external gear; the oil pump assembly device further comprises a shaft height detection assembly arranged between the feeding position and the pre-assembly position, the shaft height detection assembly comprising a shaft height detection support mounted on the rack, a first shaft height detection needle for detecting the height of the rotating shaft, a second shaft height detection needle for detecting the height of the internal gear, a third shaft height detection needle for detecting the height of the external gear, a shaft height support seat supporting the first shaft height detection needle, the second shaft height detection needle and the third shaft height detection needle, and a shaft height detection power unit for driving the shaft height support seat to reciprocate, the shaft height detection power unit is mounted on the shaft height detection support, and the output end of the shaft height detection power unit is connected with the shaft height support seat.

[0020] In one embodiment, the oil pump assembly device further comprises a turnover assembly arranged between the screw locking position and the height detection position, the turnover assembly comprising a turnover support mounted on the rack, a turnover clamping member for clamping the assembly, a turnover rotating member for driving the turnover clamping member to rotate, and a turnover power unit for driving the turnover rotating member to reciprocate, the turnover power unit is mounted on the turnover support, the output end of the turnover power unit is connected with the turnover rotating member, and the output end of the turnover rotating member is connected with the turnover clamping member.

[0021] The oil pump assembly equipment provided by the embodiment of the present application has at least the following beneficial effects: the present application sets a material moving power assembly, a pre-assembly assembly, a screw locking assembly and a screw height detection assembly on the rack respectively, drives the material moving tool to move to the feeding position by the material moving power assembly, and supports the front pump cover and the pump shell by the material moving tool; then the material moving power assembly continues to drive the material moving tool to move to the pre-assembly position, and the front pump cover is pre-installed on the pump shell by the pre-assembly assembly; then the material moving power assembly continues to drive the material moving tool to move to the screw locking position, and the screw body is locked on the front pump cover by the screw locking assembly to realize the connection and fixation of the front pump cover and the pump shell; then the material moving power assembly drives the material moving tool to move to the height detection position again, and the installation height of the screw body is detected by the screw height detection assembly to realize the detection of the installation precision of the screw body. In this way, the oil pump assembly equipment can realize the automatic screw body locking between the front pump cover and the pump shell and the height detection of the screw body, without manual assistance, which helps to improve the production efficiency and the yield of the oil pump. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0023] Figure 1 The structural schematic diagram of the oil pump assembly equipment provided by the embodiment of the present application is shown in the figure.

[0024] Figure 2 The structural schematic diagram of the rack provided by the embodiment of the present application is shown in the figure.

[0025] Figure 3 The structural schematic diagram of the material moving tool provided by the embodiment of the present application is shown in the figure.

[0026] Figure 4 The exploded schematic diagram of the assembly provided by the embodiment of the present application is shown in the figure.

[0027] Figure 5 The structural schematic diagram of the pre-assembly assembly provided by the embodiment of the present application is shown in the figure.

[0028] Figure 6 The structural schematic diagram of the screw locking assembly provided by the embodiment of the present application is shown in the figure.

[0029] Figure 7 The exploded schematic diagram of the upper pressing plate and the first screw locking support provided by the embodiment of the present application is shown in the figure.

[0030] Figure 8A structural schematic view of a jacking assembly provided for an embodiment of the present application is shown in FIG. 1.

[0031] Figure 9 A structural schematic view of a screw height detection assembly provided for an embodiment of the present application is shown in FIG. 4.

[0032] Figure 10 A structural schematic view of a waste material discharging unit provided for an embodiment of the present application is shown in FIG. 5.

[0033] Figure 11 A structural schematic view of a shaft height detection assembly provided for an embodiment of the present application is shown in FIG. 6.

[0034] Figure 12 A structural schematic view of a camera assembly provided for an embodiment of the present application is shown in FIG. 7.

[0035] Figure 13 A structural schematic view of a turnover assembly provided for an embodiment of the present application is shown in FIG. 8.

[0036] In the drawings, the main marks are as follows:

[0037] 10, assembly; 20, pump housing; 201, rotating shaft; 202, inner gear; 203, outer gear; 204, second positioning hole; 205, second mounting hole; 30, front pump cover; 301, first positioning hole; 302, first mounting hole; 40, screw body;

[0038] 1, frame;

[0039] 2, material moving power assembly; 21, material moving tool; 211, first tool support seat; 2111, first positioning guide rod; 212, second tool support seat; 213, tool positioning hole; 214, positioning base; 22, positioning switch; 23, third tool support seat;

[0040] 3, pre-assembly assembly; 31, pre-assembly support; 32, pre-assembly clamping piece; 33, pre-assembly power unit; 34, pre-assembly fixing plate; 35, pre-assembly pressing plate; 36, pre-assembly positioning rod; 37, spring; 38, limiting plate; 381, limiting notch;

[0041] 4, screw locking assembly; 41, first screw locking support; 411, storage box; 42, upper pressing plate; 421, upper avoiding hole; 43, upper positioning needle; 44, second screw locking support; 45, screw locking machine; 46, screw locking power unit; 47, first elastic piece;

[0042] 5, Screw height detection assembly; 51, Height detection support; 52, Height detection needle; 53, First support seat; 54, Second support seat; 55, Detection lifting piece; 56, Second elastic piece; 57, Height resistance rod; 58, Height detection clamping unit; 581, Clamping support; 582, Detection clamping piece; 583, Detection power piece; 59, Height reference support; 591, Reference seat; 50, Waste blanking unit; 501, Blanking support; 502, Belt conveying module;

[0043] 6, Camera assembly; 61, Camera support; 62, Camera;

[0044] 7, Shaft height detection assembly; 70, Shaft height detection support; 71, First shaft height detection needle; 72, Second shaft height detection needle; 73, Third shaft height detection needle; 74, Shaft height support seat; 75, Shaft height detection power unit; 76, Shaft height reference support; 77, Shaft height reference seat; 78, Shaft height resistance rod; 79, Third elastic piece;

[0045] 8, Turnover assembly; 81, Turnover support; 82, Turnover clamping piece; 83, Turnover rotating piece; 84, Turnover power unit;

[0046] 9, Jack-up assembly; 91, Bottom mounting plate; 92, Jack-up plate; 921, Jack-up guide rod; 93, Jack-up driving piece. DETAILED DESCRIPTION

[0047] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0048] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0049] In addition, the terms "first", "second", and the like are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an implied indication of the number of the technical features indicated. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited. The meaning of "several" is one or more, unless otherwise explicitly and specifically limited.

[0050] In the description of the application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0051] In the description of the application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0052] Throughout the specification, reference to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Therefore, the phrases "in one embodiment" or "in some embodiments" appearing in various places throughout the specification are not all referring to the same embodiment. In addition, in one or more embodiments, specific features, structures, or characteristics can be combined in any suitable manner.

[0053] For the convenience of description, three coordinate axes perpendicular to each other in space are defined as X-axis, Y-axis and Z-axis, at the same time, the direction along the X-axis is longitudinal, the direction along the Y-axis is transverse, and the direction along the Z-axis is vertical; wherein the X-axis and the Y-axis are two coordinate axes perpendicular to each other in the same horizontal plane, and the Z-axis is a vertical coordinate axis; the X-axis, the Y-axis and the Z-axis are perpendicular to each other in space, and the three planes are XY plane, YZ plane and XZ plane, wherein the XY plane is a horizontal plane, the XZ plane and the YZ plane are both vertical planes, and the XZ plane is perpendicular to the YZ plane. The three axes in space are X-axis, Y-axis and Z-axis, moving along the three axes in space means moving along the three axes perpendicular to each other in space, specifically moving along the X-axis, the Y-axis and the Z-axis in space; while plane movement is movement in the XY plane.

[0054] Please refer to Figures 1 to 3The oil pump assembly equipment provided by the embodiment of the present application is described as follows. The oil pump assembly equipment is used for assembling the pump shell 20 and the front pump cover 30 into the assembly 10. Specifically, the oil pump assembly equipment comprises a rack 1, a material moving power assembly 2, a pre-assembly assembly 3, a screw locking assembly 4 and a screw height detection assembly 5. The rack 1 is respectively provided with a feeding position, a pre-assembly position, a screw locking position and a height detection position, which are sequentially arranged along the X-axis direction. The material moving power assembly 2 is installed on the rack 1, and a material moving tool 21 for supporting the pump shell 20 and the front pump cover 30 is installed on the material moving power assembly 2. The material moving power assembly 2 is used for driving the material moving tool 21 to sequentially pass through the feeding position, the pre-assembly position, the screw locking position and the height detection position. The material moving power assembly 2 can be a cylinder / electric cylinder / screw transmission mechanism, a sliding table linear motor or the like. The pre-assembly assembly 3 is installed at the pre-assembly position, and is used for pre-installing the front pump cover 30 on the pump shell 20. The screw locking assembly 4 is installed at the screw locking position, and is used for connecting the front pump cover 30 and the pump shell 20 through a screw body 40. The screw height detection assembly 5 is installed at the height detection position, and is used for detecting the installation height of the screw body 40. In this structure, the material moving power assembly 2, the pre-assembly assembly 3, the screw locking assembly 4 and the screw height detection assembly 5 are respectively arranged on the rack 1. The material moving tool 21 is driven by the material moving power assembly 2 to move to the feeding position, so that the front pump cover 30 and the pump shell 20 can be supported by the material moving tool 21. Then, the material moving tool 21 is continuously driven by the material moving power assembly 2 to move to the pre-assembly position, so that the front pump cover 30 can be pre-installed on the pump shell 20 by the pre-assembly assembly 3. Then, the material moving tool 21 is continuously driven by the material moving power assembly 2 to move to the screw locking position, so that the screw body 40 can be locked on the front pump cover 30 by the screw locking assembly 4, to realize the connection and fixation of the front pump cover 30 and the pump shell 20. Then, the material moving tool 21 is driven by the material moving power assembly 2 to move to the height detection position, so that the installation height of the screw body 40 can be detected by the screw height detection assembly 5, to realize the detection of the installation precision of the screw body 40. In this way, the oil pump assembly equipment can realize the automatic screw locking of the front pump cover 30 and the pump shell 20 and the height detection of the screw body 40, without manual assistance, which helps to improve the production efficiency and the yield of the oil pump.

[0055] In one embodiment, referring to Figure 3 and Figure 4The first tool support seat 211 and the second tool support seat 212 are arranged on the material moving tool 21 to support the front pump cover 30 and the pump shell 20 respectively. The first positioning hole 301 is arranged on the front pump cover 30, and the first positioning guide rod 2111 is arranged on the first tool support seat 211 to extend into the first positioning hole 301. The second positioning hole 204 is arranged on the pump shell 20, and the second positioning guide rod (not shown in the figure) is arranged on the second tool support seat 212 to extend into the second positioning hole 204. A plurality of tool positioning holes 213 are arranged on the material moving tool 21. See Figure 2 and Figure 3 The positioning base 214 is further arranged on the material moving tool 21, and the positioning switch 22 is arranged on the material moving power assembly 2 to be in cooperation with the positioning base 214 to achieve the positioning of the material moving tool 21.

[0056] In an embodiment, please refer to Figure 5 As a specific embodiment of the oil pump assembling device provided in the present application, the pre-assembling assembly 3 comprises a pre-assembling support 31 arranged on the rack 1, a pre-assembling clamping piece 32 for clamping the front pump cover 30, and a pre-assembling power unit 33 for driving the pre-assembling clamping piece 32 to move reciprocally. The pre-assembling power unit 33 is arranged on the pre-assembling support 31, and the output end of the pre-assembling power unit 33 is connected with the pre-assembling clamping piece 32. Through the pre-assembling clamping piece 32, the front pump cover 30 can be clamped. Through the pre-assembling power unit 33, the pre-assembling clamping piece 32 can be driven to move, and then the front pump cover 30 can be moved above the pump shell 20 to realize the pre-assembly between the front pump cover 30 and the pump shell 20.

[0057] In an embodiment, please refer to Figure 5 The pre-assembling assembly 3 further comprises a pre-assembling fixing plate 34 arranged on the pre-assembling clamping piece 32, a pre-assembling pressing plate 35 arranged on the top of the front pump cover 30, a pre-assembling positioning rod 36 connected with the pre-assembling fixing plate 34 and the pre-assembling pressing plate 35, and a spring 37 sleeved on the pre-assembling positioning rod 36. One end of the pre-assembling positioning rod 36 is connected with the pre-assembling pressing plate 35, and the other end of the pre-assembling positioning rod 36 passes through the pre-assembling fixing plate 34. The spring 37 is arranged between the pre-assembling fixing plate 34 and the pre-assembling pressing plate 35, one end of the spring 37 abuts against the pre-assembling fixing plate 34, and the other end of the spring 37 abuts against the pre-assembling pressing plate 35. When the pre-assembling power unit 33 drives the pre-assembling clamping piece 32 to descend and approach the front pump cover 30, the pre-assembling pressing plate 35 can be pressed tightly on the top of the front pump cover 30, and the pre-assembling pressing plate 35 can press the front pump cover 30 flat to improve the levelness of the front pump cover 30 arranged on the pump shell 20. The spring 37 can provide elastic buffer protection for the pre-assembling pressing plate 35 and can also provide a pressing force to improve the pressing of the pre-assembling pressing plate 35 on the front pump cover 30.

[0058] In one embodiment, please refer to Figure 5 The two ends of the pre-assembled fixing plate 34 are provided with limiting plates 38, and the middle part of each limiting plate 38 is provided with a limiting gap 381. The number of pre-assembled positioning rods 36 and springs 37 is two respectively, and the two pre-assembled positioning rods 36 respectively extend into the two limiting gaps 381. Through the cooperation of the two limiting gaps 381 and the two pre-assembled positioning rods 36 respectively, the lifting stroke of the pre-assembled pressing plate 35 can be limited.

[0059] In one embodiment, please refer to Figure 1 and Figure 2 The material moving power assembly 2 is provided with a positioning switch 22 at the pre-assembly position. When the positioning switch 22 senses the positioning base 214 on the material moving tool 21, it is determined that the material moving tool 21 is accurately moved to the pre-assembly position, so as to facilitate the subsequent pre-assembly operation.

[0060] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 8 The oil pump assembly device further comprises a jacking assembly 9 installed on the rack 1, and the pre-assembly position of the rack 1 is provided with the jacking assembly 9. The jacking assembly 9 can comprise a bottom mounting plate 91 installed on the rack 1, a jacking plate 92 slidingly installed on the bottom mounting plate 91 in the vertical direction, and a jacking driving member 93 for driving the jacking plate 92 to ascend, wherein the jacking driving member 93 is installed on the bottom mounting plate 91, and the output end of the jacking driving member 93 is connected with the jacking plate 92. The jacking driving member 93 can be a pneumatic cylinder, an electric cylinder or the like. When the material moving tool 21 is moved to the pre-assembly position, the jacking plate 92 can be driven by the jacking driving member 93 to ascend, so as to jack up the material moving tool 21, thereby facilitating the taking and placing operation of the pre-assembly assembly 3 on the front pump cover 30.

[0061] In one embodiment, please refer to Figure 3 and Figure 8 The jacking plate 92 is provided with jacking guide rods 921, which can be inserted into the tool positioning holes 213 of the material moving tool 21, so as to position the material moving tool 21. Alternatively, the number of jacking guide rods 921 and tool positioning holes 213 can be two respectively, and the two jacking guide rods 921 are respectively inserted into the two tool positioning holes 213, so as to improve the supporting and positioning effect of the material moving tool 21.

[0062] Optionally, the pre-assembled clamping member 32 can be a finger cylinder / electric cylinder, etc.; the pre-assembled power unit 33 can include at least one of a pre-assembled transverse movement module for driving the pre-assembled clamping member 32 to move laterally along the X axis, a pre-assembled longitudinal movement module for driving the pre-assembled clamping member 32 to move longitudinally along the Y axis, and a pre-assembled lifting module for driving the pre-assembled clamping member 32 to move up and down along the Z axis. The pre-assembled transverse movement module, the pre-assembled longitudinal movement module, and the pre-assembled lifting module can each be a cylinder / electric cylinder / screw transmission mechanism, a sliding table linear motor, etc. In the embodiment of the present application, the pre-assembled power unit 33 can include the pre-assembled transverse movement module and the pre-assembled lifting module.

[0063] In one embodiment, referring to Figure 6 and Figure 7 , as a specific implementation of the oil pump assembly device provided in the embodiment of the present application, the lock screw assembly 4 includes a first lock screw support 41 mounted on the rack 1, an upper pressing plate 42 slidingly mounted on the first lock screw support 41 in the vertical direction, an upper positioning needle 43 mounted on the upper pressing plate 42, a second lock screw support 44 mounted on the rack 1, a lock screw machine 45 for locking the screw, and a lock screw power unit 46 for driving the lock screw machine 45 to move reciprocally, the lock screw power unit 46 being mounted on the second lock screw support 44, the output end of the lock screw power unit 46 being connected with the lock screw machine 45, the lock screw machine 45 being located above the upper pressing plate 42, and the upper pressing plate 42 being provided with an upper avoiding hole 421 for the lock screw machine 45 to pass through. In this structure, the upper positioning needle 43 can extend into the first positioning hole 301 of the front pump cover 30, so that the positioning of the front pump cover 30 can be realized. The lock screw machine 45 is driven by the lock screw power unit 46 to pass through the upper avoiding hole 421, and the screw body 40 is locked on the front pump cover 30 by the lock screw machine 45, so that the front pump cover 30 is mounted and fixed on the pump shell 20.

[0064] Optionally, the lock screw machine 45 can be a commonly used device on the market, which will not be described here. The lock screw power unit 46 can be at least one of a lock screw transverse movement module for driving the lock screw machine 45 to move laterally along the X axis, a lock screw longitudinal movement module for driving the lock screw machine 45 to move longitudinally along the Y axis, and a lock screw lifting module for driving the lock screw machine 45 to move up and down along the Z axis. The lock screw transverse movement module, the lock screw longitudinal movement module, and the lock screw lifting module can each be a cylinder / electric cylinder / screw transmission mechanism, a sliding table linear motor, etc. In the embodiment of the present application, the lock screw power unit 46 can include the lock screw transverse movement module, the lock screw longitudinal movement module, and the lock screw lifting module.

[0065] In one embodiment, referring to Figure 7As a specific embodiment of the oil pump assembly device provided in the present application, the lock screw assembly 4 further comprises a first elastic member 47, one end of the first elastic member 47 abutting against the first lock screw support 41, and the other end of the first elastic member 47 abutting against the upper pressing plate 42. With this structure, when the upper positioning needle 43 on the upper pressing plate 42 extends into the first positioning hole 301, the upper pressing plate 42 can be pressed against the top of the front pump cover 30, so that the front pump cover 30 can be pressed against the pump shell 20 to prevent relative sliding between the front pump cover 30 and the pump shell 20. The first elastic member 47 can apply elastic pressing force to improve the downward pushing force of the upper pressing plate 42.

[0066] In one embodiment, referring to Figure 7 , the first lock screw support 41 is provided with a storage box 411 for storing the screw body 40. The lock screw machine 45 can automatically pick up the screw body 40 in the storage box 411 and pass the screw body 40 through the upper avoidance hole 421 and lock it to the front pump cover 30.

[0067] In one embodiment, referring to Figure 4 , Figure 6 and Figure 7 , the front pump cover 30 is provided with a plurality of first mounting holes 302, and the pump shell 20 is provided with a plurality of second mounting holes 205, and the plurality of first mounting holes 302 and the plurality of second mounting holes 205 are respectively arranged in position. The number of the upper avoidance holes 421 is the same as the number of the first mounting holes 302, and the plurality of upper avoidance holes 421 are respectively arranged in position with the plurality of first mounting holes 302. The lock screw machine 45 and the lock screw power unit 46 are combined to form a lock screw module, and the number of the lock screw module can be multiple. For example, the number of the lock screw module is two, and the two lock screw modules can synchronously install two screw bodies 40 in two first mounting holes 302; or the number of the lock screw module can be three, and the three lock screw modules can synchronously install three screw bodies 40 in three first mounting holes 302, which helps to improve the installation efficiency of the screw body 40.

[0068] In one embodiment, referring to Figure 1 and Figure 2 , the material moving power assembly 2 is provided with a positioning switch 22 at the lock screw position, and when the positioning switch 22 senses the positioning base 214 on the material moving tool 21, it is determined that the material moving tool 21 is accurately moved to the lock screw position for subsequent lock screw operation.

[0069] In one embodiment, referring to Figure 1 and Figure 2The jacking assembly 9 can be arranged at the screw locking position of the rack 1. When the material moving tool 21 is moved to the screw locking position, the material moving tool 21 can be jacked up by the jacking assembly 9, and the front pump cover 30 and the pump shell 20 can be clamped by the upper pressing plate 42, so as to improve the accuracy of the screw locking.

[0070] In one embodiment, referring to Figure 9 As a specific embodiment of the oil pump assembly device provided in the present application, the screw height detection assembly 5 comprises a height detection bracket 51 mounted on the rack 1, a height detection needle 52 for detecting the height of the screw, a first support seat 53 supporting the height detection needle 52, a second support seat 54 supporting the first support seat 53, a detection lifting piece 55 for driving the second support seat 54 to lift and descend, and a second elastic member 56 connecting the first support seat 53 and the second support seat 54. The detection lifting piece 55 is mounted on the height detection bracket 51, the output end of the detection lifting piece 55 is in abutment with the first support seat 53, the second support seat 54 is mounted on the detection lifting piece 55, and the first support seat 53 is slidingly mounted on the second support seat 54. One end of the second elastic member 56 is in abutment with the first support seat 53, and the other end of the second elastic member 56 is in abutment with the second support seat 54. The second elastic member 56 can be a spring. In this structure, the material moving power assembly 2 can move the assembly 10 after the screw to the height detection position. The first support seat 53 is driven to descend by the detection lifting piece 55, so that the height detection needle 52 is in contact with the screw body 40. The height of the installed screw body 40 can be detected by the height detection needle 52. The second elastic member 56 can provide elastic buffer protection for the height detection needle 52, so as to avoid damage caused by hard collision between the height detection needle 52 and the screw body 40.

[0071] Optionally, the number of the height detection needles 52 is the same as the number of the first mounting holes 302, so that the heights of the plurality of screw bodies 40 can be synchronously detected, and the detection efficiency is improved.

[0072] In one embodiment, referring to Figure 9 The screw height detection assembly 5 further comprises a height reference bracket 59 mounted on the rack 1 and a reference seat 591 mounted on the height reference bracket 59. The height detection needle 52 is tested by the reference seat 591, so as to improve the detection accuracy of the height detection needle 52 on the screw body 40.

[0073] In one embodiment, referring to Figure 9As a specific embodiment of the oil pump assembly device provided in the present application, the screw height detection assembly 5 further comprises a height blocking rod 57 for abutting against the top of the front pump cover 30, and the height blocking rod 57 is installed at the bottom of the first support base 53. In this structure, the height blocking rod 57 can cooperate with the top of the front pump cover 30 to block, so that the downward stroke of the first support base 53 can be limited, preventing the hard contact of the height detection needle 52 with the screw body 40, and improving the detection accuracy of the height detection needle 52.

[0074] In one embodiment, referring to Figure 1 and Figure 2 The lifting assembly 9 can be provided on the height detection position of the rack 1, and when the material moving tool 21 is moved to the height detection position, the material moving tool 21 can be lifted by the lifting assembly 9, so as to facilitate the detection of the installation accuracy of the screw body 40 by the screw height detection assembly 5.

[0075] In one embodiment, referring to Figure 9 As a specific embodiment of the oil pump assembly device provided in the present application, the screw height detection assembly 5 further comprises a height detection clamping unit 58, and the height detection clamping unit 58 comprises a clamping support 581 installed on the rack 1, a detection clamping piece 582 for clamping the assembly 10, and a detection power piece 583 for driving the detection clamping piece 582 to move reciprocally, the detection power piece 583 is installed on the clamping support 581, and the output end of the detection power piece 583 is connected with the detection clamping piece 582. The detection clamping piece 582 can be a finger air cylinder / electric cylinder, etc. In this structure, the unqualified assembly 10 detected by the height detection needle 52 can be clamped by the detection clamping piece 582, and the detection clamping piece 582 is driven to move by the detection power piece 583, so as to move the unqualified assembly 10 from the material moving tool 21.

[0076] Optionally, the detection power piece 583 can comprise at least one of a detection transverse movement module for driving the detection clamping piece 582 to move transversely along the X-axis, a detection longitudinal movement module for driving the detection clamping piece 582 to move longitudinally along the Y-axis, and a detection lifting module for driving the detection clamping piece 582 to move along the Z-axis. The detection transverse movement module, the detection longitudinal movement module and the detection lifting module can all be air cylinders / electric cylinders / screw transmission mechanisms, sliding table linear motors, etc. In the present application, the detection power piece 583 can comprise the detection longitudinal movement module.

[0077] In one embodiment, referring to Figure 10, the screw height detection assembly 5 further comprises a waste unloading unit 50, the waste unloading unit 50 comprises an unloading support 501 mounted on the rack 1 and a belt conveying module 502 mounted on the unloading support 501. The assembled component 10 can be placed on the belt conveying module 502 by the detection clamping piece 582 moving out through the detection power piece 583, and the unqualified assembled component 10 can be moved out by the belt conveying module 502.

[0078] In one embodiment, referring to Figure 4 and Figure 11 , as a specific embodiment of the oil pump assembly equipment provided by the embodiment of the application, the rotating shaft 201 is rotatably installed in the pump shell 20, the inner gear 202 is sleeved on the rotating shaft 201, the outer gear 203 is sleeved on the inner gear 202, and the outer teeth of the inner gear 202 are engaged with the inner teeth of the outer gear 203; the oil pump assembly equipment further comprises a shaft height detection assembly 7 arranged between the feeding position and the pre-assembly position, the shaft height detection assembly 7 comprises a shaft height detection support 70 mounted on the rack 1, a first shaft height detection needle 71 for detecting the height of the rotating shaft 201, a second shaft height detection needle 72 for detecting the height of the inner gear 202, a third shaft height detection needle 73 for detecting the height of the outer gear 203, a shaft height support seat 74 supporting the first shaft height detection needle 71, the second shaft height detection needle 72 and the third shaft height detection needle 73, and a shaft height detection power unit 75 for driving the shaft height support seat 74 to move back and forth, the shaft height detection power unit 75 is mounted on the shaft height detection support 70, and the output end of the shaft height detection power unit 75 is connected with the shaft height support seat 74. When the material moving power assembly 2 moves the material moving tool 21 to a position below the shaft height detection assembly 7, the shaft height support seat 74 is driven to descend by the shaft height detection power unit 75, so that the first shaft height detection needle 71 abuts against the rotating shaft 201, the second shaft height detection needle 72 abuts against the inner gear 202, and the third shaft height detection needle 73 abuts against the outer gear 203, so that the height of the rotating shaft 201, the height of the inner gear 202 and the height of the outer gear 203 can be synchronously detected.

[0079] Optionally, the shaft height detection power unit 75 can comprise at least one of a shaft height detection transverse movement module for driving the shaft height support seat 74 to move transversely along the X axis, a shaft height detection longitudinal movement module for driving the shaft height support seat 74 to move longitudinally along the Y axis, and a shaft height detection lifting module for driving the shaft height support seat 74 to move up and down along the Z axis, and the shaft height detection transverse movement module, the shaft height detection longitudinal movement module and the shaft height detection lifting module can all be cylinder / electric cylinder / screw transmission mechanism, linear motor sliding table, etc. In the embodiment of the application, the shaft height detection power unit 75 can comprise the shaft height detection longitudinal movement module and the shaft height detection lifting module.

[0080] In one embodiment, referring to Figure 11The shaft height detection assembly 7 further comprises a shaft height reference support 76 mounted on the rack 1 and a shaft height base 77 mounted on the shaft height reference support 76. The shaft height base 77 is configured to mount the qualified pump housing 20. Before testing, the first shaft height detection needle 71, the second shaft height detection needle 72 and the third shaft height detection needle 73 are calibrated by being respectively matched with the rotating shaft 201, the inner gear 202 and the outer gear 203 in the qualified pump housing 20.

[0081] In one embodiment, referring to Figure 11 The shaft height support base 74 is slidably mounted with a shaft height stopper 78 and a third elastic member 79 sleeved on the shaft height stopper 78. The third elastic member 79 can be a spring. In this structure, the shaft height stopper 78 can be stopped against the top of the pump housing 20, and the third elastic member 79 can serve as a buffer protection to avoid the first shaft height detection needle 71 from hard collision with the rotating shaft 201, the second shaft height detection needle 72 from hard collision with the inner gear 202, and the third shaft height detection needle 73 from hard collision with the outer gear 203.

[0082] In one embodiment, referring to Figure 1 and Figure 2 The rack 1 is mounted with a jacking assembly 9 opposite to the position of the shaft height detection assembly 7. The jacking assembly 9 can jack up the material moving tool 21 to cooperate with the shaft height detection assembly 7 to detect the shaft height.

[0083] In one embodiment, referring to Figure 1 and Figure 12 As a specific embodiment of the oil pump assembly device provided in the present application, the oil pump assembly device further comprises a camera assembly 6 arranged between the feeding position and the pre-assembly position. The camera assembly 6 comprises a camera support 61 mounted on the rack 1 and a camera 62 mounted on the camera support 61. Specifically, the camera assembly 6 can be arranged between the feeding position and the shaft height detection assembly 7. In this structure, the camera 62 can detect the inside of the pump housing 20 to detect whether the rotating shaft 201, the inner gear 202 and the outer gear 203 are installed in the pump housing 20, and whether the rotating shaft 201, the inner gear 202 and the outer gear 203 are installed in place.

[0084] In one embodiment, referring to Figure 1 and Figure 13, as a specific embodiment of the oil pump assembly equipment provided by the application, the oil pump assembly equipment further comprises a turnover assembly 8 arranged between the locking screw position and the height detection position, the turnover assembly 8 comprises a turnover bracket 81 mounted on the rack 1, a turnover clamping piece 82 for clamping the assembly 10, a turnover rotating piece 83 for driving the turnover clamping piece 82 to rotate, and a turnover power unit 84 for driving the turnover rotating piece 83 to reciprocate, the turnover power unit 84 is mounted on the turnover bracket 81, the output end of the turnover power unit 84 is connected with the turnover rotating piece 83, and the output end of the turnover rotating piece 83 is connected with the turnover clamping piece 82. Wherein, the turnover clamping piece 82 can be a finger air cylinder / electric cylinder; the turnover rotating piece 83 can be a rotary motor. When the screw height detection assembly 5 detects that the screw body 40 is installed qualified, that is, the assembly 10 is a qualified product. At this time, the qualified assembly 10 can be clamped by the turnover clamping piece 82, and the assembly 10 is turned over by 180 degrees through the turnover rotating piece 83, and then the turned-over assembly 10 is placed on the material moving tool 21 again, and the material moving tool 21 is moved to the next station again through the material moving power assembly 2.

[0085] In one embodiment, referring to Figure 3 The material moving tool 21 is further provided with a third tool support seat 23 for supporting the assembly 10 turned over by the turnover assembly 8, so that subsequent assembly work is performed on the assembly 10 in the subsequent station, specifically, a pump rear cover is installed on the assembly 10.

[0086] Optionally, the turnover power unit 84 can comprise a turnover horizontal movement module for driving the turnover rotating piece 83 to move horizontally along the X axis, a turnover vertical movement module for driving the turnover rotating piece 83 to move vertically along the Y axis, and a turnover lifting module for driving the turnover rotating piece 83 to move up and down along the Z axis, and the turnover horizontal movement module, the turnover vertical movement module and the turnover lifting module can all be air cylinders / electric cylinders / lead screw transmission mechanisms, linear motors, etc. In the embodiment of the application, the turnover power unit 84 can comprise a turnover horizontal movement module and a turnover lifting module.

[0087] The above only describes optional embodiments of the application and does not limit the application, and any modifications, equivalent replacements and improvements made within the spirit and principles of the application shall be included in the protection scope of the application.

Claims

1. An oil pump assembly apparatus for assembling a pump housing with a front pump cover into an assembly, the apparatus comprising: a first assembly station for assembling the pump housing with the front pump cover; a second assembly station for assembling the pump housing with the front pump cover; and a third assembly station for assembling the pump housing with the front pump cover. The oil pump assembly device comprises: a rack, which is respectively provided with a feeding position, a pre-assembly position, a screw locking position and a height detection position; a material moving power assembly installed on the rack, which is provided with a material moving tool for supporting the pump shell and the front pump cover, and is used to drive the material moving tool to pass through the feeding position, the pre-assembly position, the screw locking position and the height detection position in sequence; a pre-assembly assembly installed on the pre-assembly position, which is used to pre-mount the front pump cover on the pump shell; a screw locking assembly installed on the screw locking position, which is used to connect the front pump cover and the pump shell through a screw body; a screw height detection assembly installed on the height detection position, which is used to detect the mounting height of the screw body; the pre-assembly assembly comprises a pre-assembly support installed on the rack, a pre-assembly clamping piece used to clamp the front pump cover and a pre-assembly power unit used to drive the pre-assembly clamping piece to move back and forth, the pre-assembly power unit is installed on the pre-assembly support, and an output end of the pre-assembly power unit is connected with the pre-assembly clamping piece; the screw locking assembly comprises a first screw locking support installed on the rack, an upper pressing plate installed on the first screw locking support and sliding in a vertical direction, an upper positioning needle installed on the upper pressing plate, a second screw locking support installed on the rack, a screw locking machine used to lock the screw and a screw locking power unit used to drive the screw locking machine to move back and forth, the screw locking power unit is installed on the second screw locking support, an output end of the screw locking power unit is connected with the screw locking machine, the screw locking machine is located above the upper pressing plate, and an upper avoiding hole through which the screw locking machine passes is formed in the upper pressing plate; the screw height detection assembly comprises a height detection support installed on the rack, a height detection needle used to detect the height of the screw, a first supporting seat supporting the height detection needle, a second supporting seat supporting the first supporting seat, a detection lifting piece used to drive the second supporting seat to lift and a second elastic piece connecting the first supporting seat and the second supporting seat, the detection lifting piece is installed on the height detection support, an output end of the detection lifting piece is connected with the first supporting seat, the second supporting seat is installed on the detection lifting piece, and the first supporting seat is slidingly installed on the second supporting seat, one end of the second elastic piece is in abutment with the first supporting seat, and the other end of the second elastic piece is in abutment with the second supporting seat; the screw height detection assembly further comprises a height resisting rod used to abut against the top of the front pump cover, and the height resisting rod is installed at the bottom of the first supporting seat. The pump housing is rotatably provided with a rotating shaft, the rotating shaft is provided with an internal gear, the internal gear is provided with an external gear, the external gear is provided with an internal gear, and the external gear is provided with an internal gear.

2. The oil pump assembly apparatus of claim 1, wherein: The screw locking assembly further comprises a first elastic member, one end of the first elastic member abuts against the first locking screw support, and the other end of the first elastic member abuts against the upper pressing plate.

3. The oil pump assembly apparatus of claim 1, wherein: The screw height detection assembly further comprises a height detection clamping unit, the height detection clamping unit comprises a clamping support installed on the rack, a detection clamping member for clamping the assembly, and a detection power member for driving the detection clamping member to reciprocate, the detection power member is installed on the clamping support, and the output end of the detection power member is connected with the detection clamping member.

4. The oil pump assembly apparatus of any one of claims 1-3, wherein: The oil pump assembly equipment further comprises a camera assembly arranged between the feeding position and the pre-assembly position, the camera assembly comprises a camera support installed on the rack and a camera installed on the camera support.

5. The oil pump assembly apparatus of any one of claims 1-3, wherein: The oil pump assembly equipment further comprises a turnover assembly arranged between the screw locking position and the height detection position, the turnover assembly comprises a turnover support installed on the rack, a turnover clamping member for clamping the assembly, a turnover rotating member for driving the turnover clamping member to rotate, and a turnover power unit for driving the turnover rotating member to reciprocate, the turnover power unit is installed on the turnover support, the output end of the turnover power unit is connected with the turnover rotating member, and the output end of the turnover rotating member is connected with the turnover clamping member.

Images