CN220040524U

CN220040524U - Electric push cylinder and turnover mechanism

Info

Publication number: CN220040524U
Application number: CN202321335803.3U
Authority: CN
Inventors: 程高飞; 杨奎
Original assignee: Hangzhou Changchuan Technology Co Ltd
Current assignee: Hangzhou Changchuan Technology Co Ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-11-17
Anticipated expiration: 2033-05-29

Abstract

The utility model provides an electric pushing cylinder and a turnover mechanism, which relate to the technical field of docking devices, and the electric pushing cylinder comprises: the reversing mechanism comprises a reversing shell, a transmission assembly, an input shaft and an output shaft which are both rotationally connected with the reversing shell, and the input shaft is movably arranged on the reversing shell in a penetrating manner; the output shaft and the input shaft are arranged at an included angle and are in transmission connection with the input shaft through a transmission assembly; the telescopic mechanism comprises a cylinder body, a screw rod and a telescopic assembly, one end of the screw rod is connected with one end of the output shaft far away from the input shaft, and one end of the screw rod far away from the output shaft is arranged in the cylinder body in a penetrating manner; one end of the telescopic component is positioned in the cylinder body and is in threaded fit with the screw rod, and the other end of the telescopic component movably penetrates out of the cylinder body. The electric pushing cylinder provided by the utility model relieves the technical problem that the setting position of a power source is limited by the electric pushing cylinder in the related technology.

Description

Electric push cylinder and turnover mechanism

Technical Field

The utility model relates to the technical field of docking devices, in particular to an electric push cylinder and a turnover mechanism.

Background

With the continuous appearance of new chips, the device performance and the structural complexity of a tester for testing chips are also improved, the volume of the tester is gradually increased, and the weight is of the ton order. For high frequency flipping during testing of tester debugging, a flipping robot is typically used to do this.

The part of the overturning mechanical arm in the prior art realizes overturning of the testing machine through the driving of the electric pushing cylinder, the electric pushing cylinder in the prior art is in single-shaft input, the axis of the input shaft is parallel to the axis of the screw rod, and the setting position of the power source is limited due to the fixed setting position of the input shaft.

Disclosure of Invention

The utility model aims to provide an electric pushing cylinder and a turnover mechanism, which are used for solving the technical problem that the setting position of a power source is limited by the electric pushing cylinder in the related art.

In a first aspect, the present utility model provides an electric push cylinder comprising: the reversing mechanism comprises a reversing shell, a transmission assembly, an input shaft and an output shaft, wherein the input shaft and the output shaft are both rotationally connected with the reversing shell, the input shaft movably penetrates through the reversing shell, and the output shaft and the input shaft are arranged at an included angle and are in transmission connection with the input shaft through the transmission assembly;

the telescopic mechanism comprises a cylinder body, a screw rod and a telescopic assembly, one end of the screw rod is connected with one end of the output shaft, which is far away from the input shaft, and one end of the screw rod, which is far away from the output shaft, is penetrated in the cylinder body; one end of the telescopic component is positioned in the cylinder body and is in threaded fit with the screw rod, and the other end of the telescopic component movably penetrates out of the cylinder body.

Optionally, the output shaft is disposed perpendicular to the input shaft.

Optionally, the transmission assembly comprises a first bevel gear and a second bevel gear which are meshed with each other for transmission, the first bevel gear is fixedly sleeved on the input shaft, and the second bevel gear is fixedly sleeved on the output shaft.

Optionally, the electric pushing cylinder further comprises a connecting assembly, two opposite side end faces of the connecting assembly are respectively connected with the cylinder body and the reversing shell, and one end of the screw rod movably penetrates through the connecting assembly and is connected with the output shaft.

Optionally, the connecting assembly comprises a connecting plate and a bearing seat, the bearing seat is installed at one end of the cylinder body, which is close to the reversing shell, and the screw rod is rotationally connected with the bearing seat through a first bearing;

the connecting plate is provided with a first end face and a second end face which are parallel to each other, the reversing shell is detachably connected with the first end face, and the bearing seat is detachably connected with the second end face.

Optionally, the lead screw is provided with spacing axle step and prevents moving back the piece, first bearing is located spacing axle step with prevent moving back between the piece, prevent moving back the piece and be used for preventing the lead screw is deviate from the bearing frame.

Optionally, the flexible subassembly includes motion nut and push rod, the motion nut cover is located the lead screw, and with lead screw-thread fit, the push rod cover is located the outside of lead screw, the one end of push rod be located in the cylinder body and with the motion nut transmission is connected, the other end activity of push rod wears out the cylinder body.

Optionally, the telescopic assembly further comprises a connecting shaft and a joint bearing, wherein the connecting shaft is detachably connected to one end of the push rod, which is far away from the reversing shell, and the joint bearing is adjustably connected with one end of the connecting shaft, which is far away from the push rod.

Optionally, along the axial direction of the input shaft, both ends of the reversing shell are provided with mounting steps, and the mounting steps are used for being matched with a supporting structure.

In a second aspect, the utility model provides a tilting mechanism comprising an electric push cylinder as described above.

The turnover mechanism provided by the utility model comprises an electric pushing cylinder, wherein an output shaft in the electric pushing cylinder and an input shaft form an included angle, and the telescopic component is used for being connected with a driven piece. In the driving process, the input shaft receives power transmitted by the external power input assembly and rotates around the axis of the input shaft, the input shaft drives the output shaft to rotate through the transmission assembly, the output shaft drives the screw rod to rotate around the axis of the output shaft, the telescopic assembly is in threaded fit with the screw rod, the telescopic assembly is made to do telescopic motion relative to the cylinder body, and accordingly the telescopic assembly drives a driven piece connected with the telescopic assembly to move.

Compared with the electric pushing cylinder with the axis of the input shaft parallel to the axis of the screw rod in the prior art, in the electric pushing cylinder provided by the utility model, the input shaft and the output shaft are arranged at an included angle, and when the power input assembly is connected with the input shaft, the interference between the power input assembly and the electric pushing cylinder is reduced, so that the limitation on the installation position of the power source is reduced, and the installation space of the power source is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of an electric push cylinder according to an embodiment of the present utility model;

fig. 2 is a front view of an electric push cylinder according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view at A-A in FIG. 2;

fig. 4 is a cross-sectional view at B-B in fig. 2.

Icon: 100-reversing mechanism; 110-reversing shell; 111-mounting steps; 112-a first support wall; 113-a second support wall; 120-a transmission assembly; 121-a first bevel gear; 122-a second bevel gear; 130-an input shaft; 140-an output shaft; 141-connecting sleeve; 150-connecting seats; 200-telescoping mechanism; 210-a cylinder; 220-screw rod; 221-limiting the axial steps; 222-anti-back-out piece; 223-supporting sleeve; 224-shaft snap springs; 230-telescoping assembly; 231-moving the nut; 232-pushing rod; 233-limiting shaft sleeve; 234-connecting shaft; 235-knuckle bearing; 236-adjusting the nut; 310-connecting plates; 320-bearing seats; 321-a first bearing; 322-end plates.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, an electric push cylinder provided by an embodiment of the present utility model includes: the reversing mechanism 100 and the telescopic mechanism 200, wherein the reversing mechanism 100 comprises a reversing shell 110, a transmission assembly 120, an input shaft 130 and an output shaft 140 which are both rotationally connected with the reversing shell 110, and the input shaft 130 movably penetrates through the reversing shell 110; the output shaft 140 is arranged at an included angle with the input shaft 130 and is in transmission connection with the input shaft 130 through the transmission assembly 120; the telescopic mechanism 200 comprises a cylinder 210, a screw rod 220 and a telescopic assembly 230, one end of the screw rod 220 is connected with one end of the output shaft 140 far away from the input shaft 130, and one end of the screw rod 220 far away from the output shaft 140 is penetrated in the cylinder 210; one end of the telescopic assembly 230 is positioned in the cylinder 210 and is in threaded fit with the screw 220, and the other end of the telescopic assembly 230 movably penetrates out of the cylinder 210.

Further, the input shaft 130 penetrates through the reversing housing 110, and both ends of the input shaft 130 are located outside the reversing housing 110.

Specifically, along the axial direction of the input shaft 130, the reversing housing 110 has two first support walls 112 disposed parallel to each other, the input shaft 130 is rotatably connected to the two first support walls 112 through second bearings, respectively, and both ends extend out of the corresponding first support walls 112, respectively. The output shaft 140 is located at one side of the input shaft 130 in the circumferential direction, and the axis of the output shaft 140 is disposed at an angle to the axis of the input shaft 130. The transmission assembly 120 is connected to the input shaft 130 and the output shaft 140, respectively, and the input shaft 130 transmits power to the output shaft 140 through the transmission assembly 120. The cylinder 210 is cylindrical, and the cross sections of the inner wall and the outer wall are rectangular, and the length direction of the cylinder 210 is set along the axial direction of the output shaft 140. One end of the screw 220 is located in the cylinder 210, the other end of the screw 220 extends out from one end of the cylinder 210 near the reversing housing 110 and is connected with one end of the output shaft 140 far away from the input shaft 130, and the screw 220 is coaxially arranged with the output shaft 140. One end of the telescopic assembly 230 is located in the cylinder 210 and is in threaded engagement with the screw 220, and the other end of the telescopic assembly 230 is movably threaded out from the end of the cylinder 210 remote from the reversing housing 110, which end is adapted to be connected to a driven member.

In the electric push cylinder provided by the embodiment of the utility model, the output shaft 140 and the input shaft 130 are arranged at an included angle, and both ends of the input shaft 130 extend out of the reversing shell 110, so that any one of both ends of the input shaft 130 can be connected with an external power input assembly, and the telescopic assembly 230 is used for connecting with a driven member. In the driving process, the input shaft 130 receives the power transmitted from the external power input assembly and rotates around the axis of the input shaft 130, the input shaft 130 drives the output shaft 140 to rotate through the transmission assembly 120, the output shaft 140 drives the screw rod 220 to rotate around the axis of the output shaft, and the telescopic assembly 230 is in threaded fit with the screw rod 220, so that the telescopic assembly 230 performs telescopic motion relative to the cylinder 210, and the telescopic assembly 230 drives a driven piece connected with the telescopic assembly to move.

Compared with the electric pushing cylinder in which the axis of the input shaft 130 is parallel to the axis of the screw rod 220 in the prior art, in the electric pushing cylinder provided by the embodiment of the utility model, the input shaft 130 and the output shaft 140 are arranged at an included angle, and when the power input assembly is connected with the input shaft 130, the interference between the power input assembly and the electric pushing cylinder is reduced, so that the limitation on the installation position of the power source is reduced, and the installation space of the power source is enlarged. In addition, both ends of the input shaft 130 extend out of the reversing housing 110, and both ends of the input shaft 130 can be connected with the power input assembly as input ends, so that the limitation on the installation position of the power source is reduced, and the installation space of the power source is enlarged.

In one embodiment of the present utility model, as shown in fig. 2 and 3, the output shaft 140 is disposed perpendicular to the input shaft 130. Specifically, the reversing housing 110 further has a second supporting wall 113, and the second supporting wall 113 is located between the two first supporting walls 112 and perpendicular to the two first supporting walls 112, respectively. One end of the output shaft 140 is positioned in the reversing housing 110 and is in transmission connection with the input shaft 130 through the transmission assembly 120, the other end of the output shaft 140 extends out of the second supporting wall 113 and is connected with the screw rod 220, and the output shaft 140 is in rotational connection with the second supporting wall 113 through a third bearing. When the electric push cylinder is mounted on the corresponding support structure, two ends of the reversing housing 110 along the axial direction of the input shaft 130 are matched with the corresponding support structure, and the output shaft 140 is perpendicular to the input shaft 130, so that the cylinder 210 is positioned on one side of the reversing housing 110, and interference between the cylinder 210 and the support structure is avoided.

In some embodiments, the transmission assembly 120 includes a worm gear and a worm, the worm is disposed along an axial direction of the input shaft 130 and connected to the input shaft 130, the worm gear is sleeved on the output shaft 140, and power is transmitted between the input shaft 130 and the output shaft 140 through a worm gear.

In one embodiment of the present utility model, as shown in fig. 4, the transmission assembly 120 includes a first bevel gear 121 and a second bevel gear 122 that are meshed with each other for transmission, wherein the first bevel gear 121 is fixedly sleeved on the input shaft 130, and the second bevel gear 122 is fixedly sleeved on the output shaft 140. Specifically, the first bevel gear 121 is fixedly sleeved on the middle part of the input shaft 130, and the second bevel gear 122 is fixedly sleeved on one end of the output shaft 140 located in the reversing housing 110. When the input shaft 130 rotates around its own axis, power is transmitted to the output shaft 140 through the first bevel gear 121 and the second bevel gear 122 engaged with each other, so that the output shaft 140 rotates the screw 220.

In some embodiments, the end of the output shaft 140 outside the reversing housing 110 is coupled to the end of the lead screw 220 outside the cylinder 210 by a coupling, thereby enabling the output shaft 140 to transmit power to the lead screw 220.

In one embodiment of the present utility model, a connecting sleeve 141 is disposed at an end of the output shaft 140 away from the input shaft 130, and one end of the screw 220 is detachably connected to the connecting sleeve 141.

Specifically, the connecting sleeve 141 is fixedly sleeved at one end of the output shaft 140 far away from the input shaft 130, the end face of the connecting sleeve 141 far away from the output shaft 140 is provided with a connecting groove, the transverse section of the connecting groove is circular, two openings facing the telescopic component 230 are arranged on the side wall of the connecting groove, the openings penetrate through the side wall of the connecting groove, and threaded through holes are arranged on the two opposite side walls. The diameter of the end of the screw 220 connected to the output shaft 140 is equal to the diameter of the connecting groove. When the screw rod 220 is connected with the output shaft 140, one end of the screw rod 220, which is positioned outside the cylinder body 210, is inserted into the connecting groove, and the screw is matched with the threaded through hole on the side wall of the opening, so that the side wall of the connecting groove clamps the screw rod 220, and the screw rod 220 is connected with the output shaft 140. When the screw rod 220 and the output shaft 140 are disassembled, the screw is screwed out from the threaded through hole, the limitation on the screw rod 220 is removed, and the screw rod 220 is disassembled from the connecting sleeve 141, so that the screw rod 220 and the output shaft 140 are disassembled. One end of the output shaft 140 is provided with a connecting sleeve 141, and the screw rod 220 is detachably connected with the output shaft 140 through the connecting sleeve 141, so that connection and disassembly between the screw rod 220 and the output shaft 140 are conveniently realized, and the telescopic assembly 230 is conveniently connected and matched with different reversing mechanisms 100.

The electric push cylinder further comprises a connecting assembly, two opposite side end surfaces of the connecting assembly are respectively connected with the cylinder body 210 and the reversing shell 110, and one end of the screw rod 220 movably penetrates through the connecting assembly and is connected with the output shaft 140.

Specifically, the connection assembly is located between the reversing housing 110 and the cylinder 210, the reversing housing 110 is connected to one side of the connection assembly, and one end of the cylinder 210, which is close to the reversing housing 110, is fixedly connected to the other side of the connection assembly. The reversing shell 110 is connected with the cylinder body 210 through a connecting assembly, and the screw rod 220 is connected with the output shaft 140 in the connecting assembly, so that the connecting position is protected.

Specifically, the connection assembly includes a connection plate 310 and a bearing seat 320, the bearing seat 320 is mounted at one end of the cylinder 210 near the reversing housing 110, and the screw 220 is rotatably connected with the bearing seat 320 through a first bearing 321; the connection plate 310 has a first end surface and a second end surface parallel to each other, the reversing housing 110 is detachably connected to the first end surface, and the bearing housing 320 is detachably connected to the second end surface.

Specifically, the bearing block 320 is fixedly installed at one end of the cylinder 210 near the reversing housing 110, and the screw 220 passes through the bearing block 320 and is rotatably connected with the bearing block 320 through two first bearings 321.

Specifically, the connection plate 310 has a square shape and is provided with a first installation through hole for the screw 220 to pass through, and the connection plate 310 is located between the reversing housing 110 and the bearing housing 320 and is disposed perpendicular to the axis of the screw 220. The second side wall of the reversing shell 110 is provided with a connecting seat 150, the connecting seat 150 is provided with a second installation through hole communicated with the first installation through hole, the connecting sleeve 141 is positioned in the second installation through hole, the connecting seat 150 is also provided with a third installation through hole which penetrates through the side wall of the second installation through hole and is coaxially arranged with the threaded through hole on the connecting sleeve 141, and a screw penetrates through the third installation through hole to be matched with the threaded through hole on the connecting sleeve 141, so that the screw rod 220 is clamped. The outer circumferential wall of the connection holder 150 has a rectangular cross section and a side length smaller than that of the connection plate 310. The connecting plate 310 has a plurality of first connecting holes, and the plurality of first connecting holes penetrate through the connecting plate 310 along the axial direction of the screw 220. The connecting seat 150 is provided with first threaded holes equal to the first connecting holes in number, the positions of the first threaded holes correspond to the positions of the first connecting holes one by one, and the bolts penetrate through the first connecting holes and are matched with the corresponding first threaded holes, so that the connecting seat 150 and the connecting plate 310 can be detachably connected.

The connecting plate 310 is further provided with a plurality of second connecting through holes, and the plurality of second connecting through holes are arranged around the periphery of the connecting seat 150. The bearing seat 320 has a square end plate 322, the side length of the end plate 322 is equal to the side length of the connecting plate 310, second threaded holes equal to the number of the second connecting through holes are formed in the end plate 322, the positions of the second threaded holes correspond to the positions of the second connecting through holes one by one, bolts penetrate through the second connecting through holes and are matched with the corresponding second threaded holes, connection between the connecting plate 310 and the bearing seat 320 is achieved, and accordingly connection between the reversing shell 110 and the cylinder body 210 is achieved.

The connection assembly includes the connection plate 310 and the bearing housing 320, that is, the detachable connection between the reversing housing 110 and the cylinder 210 can be realized, and simultaneously, the connection plate 310 and the bearing housing 320 have simple structures, so that occupied space can be reduced.

As shown in fig. 4, the screw 220 is provided with a limiting step 221 and a withdrawal preventing member 222, and a first bearing 321 is located between the limiting step 221 and the withdrawal preventing member 222, and the withdrawal preventing member 222 is used for preventing the screw 220 from being withdrawn from the bearing seat 320. Specifically, the limiting step 221 is located in the cylinder 210, and the first bearing 321 is located on a side of the limiting step 221 near the reversing housing 110. The anti-back piece 222 is configured as an anti-back nut, and the anti-back nut is located on one side of the first bearing 321 away from the limiting shaft step 221 and is in threaded fit with the screw rod 220. A limiting space is formed between the limiting shaft step 221 and the anti-withdrawal piece 222, and the limiting space and the first bearing 321 are matched to prevent the screw rod 220 from axially moving along the screw rod 220 relative to the first bearing 321, so that the stability of the screw rod 220 during movement is improved.

Further, the end part of the screw rod 220 far away from the reversing shell 110 is sleeved with a supporting shaft sleeve 223, the end surface of the supporting shaft sleeve 223 close to the reversing shell 110 is abutted against a limiting surface on the screw rod 220, one side of the supporting shaft sleeve 223, which is away from the reversing shell 110, is provided with a shaft clamp spring 224, the shaft clamp spring 224 is fixedly sleeved on the screw rod 220 and abutted against the supporting shaft sleeve 223, and the shaft clamp spring 224 is matched with the limiting surface to prevent the supporting shaft sleeve 223 from moving along the axial direction of the screw rod 220. The outer peripheral wall of the support shaft sleeve 223 is abutted with the inner wall of the push rod 232, so that the end, far away from the reversing shell 110, of the screw rod 220 is prevented from shaking, and the stability of the screw rod 220 during rotation is improved.

As shown in fig. 4, the telescopic assembly 230 includes a moving nut 231 and a push rod 232, where the moving nut 231 is sleeved on the screw 220 and is in threaded fit with the screw 220; the push rod 232 is sleeved outside the screw rod 220, one end of the push rod 232 is positioned in the cylinder 210 and is in transmission connection with the motion nut 231, and the other end of the push rod movably penetrates out of the cylinder 210.

Specifically, the telescopic assembly 230 further includes a limiting shaft sleeve 233, the limiting shaft sleeve 233 is fixedly sleeved on the moving nut 231, and is connected by a screw, the outer peripheral wall of the limiting shaft sleeve 233 is abutted against the inner wall of the cylinder 210, so as to prevent the moving nut 231 from following the screw 220 to rotate when the screw 220 rotates. One end of the push rod 232 positioned in the cylinder 210 is fixedly connected with the limiting shaft sleeve 233, and particularly can be connected in a welding mode, so that the push rod 232 is in transmission connection with the moving nut 231, and one end of the push rod 232 positioned outside the cylinder 210 is used for being connected with a driven piece. In the driving process, the output shaft 140 drives the screw rod 220 to rotate, so that the motion nut 231 drives the limiting shaft sleeve 233 and the push rod 232 to move along the axial direction of the screw rod 220, and the push rod 232 performs telescopic motion relative to the cylinder 210, thereby driving the driven piece.

The telescoping assembly 230 further includes a connecting shaft 234 and a knuckle bearing 235, the connecting shaft 234 being removably coupled to an end of the push rod 232 remote from the reversing housing 110, the knuckle bearing 235 being adjustably coupled to an end of the connecting shaft 234 remote from the push rod 232.

Specifically, the end of the push rod 232 outside the cylinder 210 is provided with an internal thread, the end of the connecting shaft 234 connected with the push rod 232 is provided with an external thread, and the connecting shaft 234 is in threaded connection with the push rod 232, so that connection and disassembly between the connecting shaft 234 and the push rod 232 are conveniently realized. The end of the connecting shaft 234 far away from the push rod 232 is provided with external threads, one end of the joint bearing 235 connected with the connecting shaft 234 is provided with a plug hole, and one end of the connecting shaft 234 far away from the cylinder body 210 is plugged in the plug hole. The connecting shaft 234 is also sleeved with an adjusting nut 236, the adjusting nut 236 is in threaded fit with the connecting shaft 234 and is abutted against the knuckle bearing 235, and the position of the adjusting nut 236 on the connecting shaft 234 can be adjusted by rotating the adjusting nut 236, so that the position of the knuckle bearing 235 relative to the connecting shaft 234 is adjusted. The knuckle bearing 235 is used to connect with an external driven member, so that the real push rod 232 can rotate relative to the driven member, and flexibility in driving is improved.

Along the axial direction of the input shaft 130, both ends of the reversing housing 110 are provided with mounting steps 111, and the mounting steps 111 are used for being matched with a supporting structure. Specifically, the two first support walls 112 of the reversing housing 110 are each provided with a mounting step 111, the mounting steps 111 protrude from the corresponding first support walls 112, and have a circular cross section, and both ends of the input shaft 130 protrude from the two mounting steps 111, respectively. When the reversing shell 110 is installed on the supporting structure, the installation step 111 is matched with the installation hole on the supporting structure, so that the electric push rod 232 is supported, and meanwhile, the whole structure is more compact.

The turnover mechanism provided by the embodiment of the utility model comprises the electric pushing cylinder.

Specifically, the turnover mechanism provided by the embodiment of the utility model further comprises a support and a turnover frame, wherein the turnover frame is rotationally connected with the support through a rotating shaft, and electric pushing cylinders are arranged on two sides of the turnover frame along the axial direction of the rotating shaft. The reversing shell 110 in the electric pushing cylinder is movably connected with the bracket, and the knuckle bearing 235 in the electric pushing cylinder is connected with the mounting shaft on the side wall of the turnover frame. When the turnover frame is turned over, push rods 232 in the two electric pushing cylinders are driven to synchronously do telescopic motion, and the two electric pushing cylinders are matched with drive the turnover frame to rotate around the axis of the rotation frame, so that the turnover frame is turned over.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. An electric push cylinder, comprising: the reversing mechanism (100) comprises a reversing shell (110), a transmission assembly (120), and an input shaft (130) and an output shaft (140) which are both rotationally connected with the reversing shell (110), wherein the input shaft (130) movably penetrates through the reversing shell (110); the output shaft (140) is arranged at an included angle with the input shaft (130) and is in transmission connection with the input shaft (130) through the transmission assembly (120);

the telescopic mechanism (200) comprises a cylinder body (210), a screw rod (220) and a telescopic assembly (230), one end of the screw rod (220) is connected with one end of the output shaft (140) far away from the input shaft (130), and one end of the screw rod (220) far away from the output shaft (140) is arranged in the cylinder body (210) in a penetrating mode; one end of the telescopic component (230) is positioned in the cylinder body (210) and is in threaded fit with the screw rod (220), and the other end of the telescopic component (230) movably penetrates out of the cylinder body (210).

2. The electric push cylinder according to claim 1, characterized in that the output shaft (140) is arranged perpendicular to the input shaft (130).

3. The electric push cylinder according to claim 2, wherein the transmission assembly (120) comprises a first bevel gear (121) and a second bevel gear (122) which are meshed with each other for transmission, the first bevel gear (121) is fixedly sleeved on the input shaft (130), and the second bevel gear (122) is fixedly sleeved on the output shaft (140).

4. The electric push cylinder according to claim 1, further comprising a connecting assembly, wherein two opposite side end surfaces of the connecting assembly are respectively connected with the cylinder body (210) and the reversing housing (110), and one end of the screw rod (220) movably penetrates through the connecting assembly and is connected with the output shaft (140).

5. The electric push cylinder according to claim 4, wherein the connection assembly comprises a connection plate (310) and a bearing seat (320), the bearing seat (320) is mounted at one end of the cylinder body (210) close to the reversing housing (110), and the screw rod (220) is rotatably connected with the bearing seat (320) through a first bearing (321);

the connecting plate (310) is provided with a first end face and a second end face which are parallel to each other, the reversing shell (110) is detachably connected with the first end face, and the bearing seat (320) is detachably connected with the second end face.

6. The electric push cylinder according to claim 5, characterized in that the screw (220) is provided with a limiting step (221) and an anti-back-out member (222), the first bearing (321) being located between the limiting step (221) and the anti-back-out member (222), the anti-back-out member (222) being adapted to prevent the screw (220) from being pulled out of the bearing housing (320).

7. The electric push cylinder according to claim 1, wherein the telescopic assembly (230) comprises a moving nut (231) and a push rod (232), and the moving nut (231) is sleeved on the screw rod (220) and is in threaded fit with the screw rod (220); the push rod (232) is sleeved outside the screw rod (220), one end of the push rod (232) is positioned in the cylinder body (210) and is in transmission connection with the motion nut (231), and the other end of the push rod (232) movably penetrates out of the cylinder body (210).

8. The electric push cylinder according to claim 7, wherein the telescopic assembly (230) further comprises a connecting shaft (234) and a knuckle bearing (235), the connecting shaft (234) is detachably connected to an end of the push rod (232) away from the reversing housing (110), and the knuckle bearing (235) is adjustably connected to an end of the connecting shaft (234) away from the push rod (232).

9. The electric push cylinder according to any one of claims 1-8, characterized in that both ends of the reversing housing (110) are provided with mounting steps (111) in the axial direction of the input shaft (130), the mounting steps (111) being adapted to cooperate with a support structure.

10. A tilting mechanism comprising an electric push cylinder according to any one of claims 1-9.