CN216829870U

CN216829870U - Fastening structure for cover plate of speed reducer

Info

Publication number: CN216829870U
Application number: CN202123426314.2U
Authority: CN
Inventors: 金文浩
Original assignee: Weihai Pml Precision Mechanism Ltd
Current assignee: Weihai Pml Precision Mechanism Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-28
Anticipated expiration: 2031-12-31

Abstract

The application provides a fastening structure for speed reducer apron, including the casing, still include: the backup plate is fixedly connected inside the shell, the outer wall of the backup plate is connected with a driving motor, the output end of the driving motor is connected with a gear transmission assembly, a rotating rod connected with the gear transmission assembly is arranged inside the shell, the outer wall of the rotating rod is connected with a displacement assembly, a clamping jaw is slidably connected inside the displacement assembly, and a limiting assembly is arranged inside the clamping jaw; the fastening device is fixedly connected inside the shell, the output end of the fastening device penetrates through the shell and extends outwards, and the fastening device is matched with the limiting assembly and used for fixing the cover plate of the speed reducer; this application simple structure, convenient operation can change the device's use form in a flexible way, have improved the device's function greatly, need change different instruments when avoiding dismantling and fastening the apron, guarantee the device stability when dismantling the apron simultaneously.

Description

Fastening structure for cover plate of speed reducer

Technical Field

The utility model relates to a machine part processing field particularly, relates to a fastening structure for speed reducer apron.

Background

Clamping of workpieces is always an important factor influencing the machining quality of parts in machining, and good clamping of the workpieces directly influences the machining precision of the machined workpieces and indirectly influences the working performance of an assembly body.

Because the processing precision requirement of speed reducer pivot apron is high, the appearance cooperation is also pleasing to the eye. When the large and medium-sized speed reducers at the present stage are used for machining corresponding holes, the box body and the cover of the speed reducer are firstly assembled together, the residual machining amount of the corresponding holes is machined after the appearance is attractive, and the precision after assembly is achieved. However, since the small-sized speed reducer is affected by the internal and external dimensions, structure and performance, and the corresponding holes are blind holes during design, the method for processing the large-sized and medium-sized speed reducers is not suitable, but the corresponding holes of the cover plate of the rotating shaft of the speed reducer are processed independently, and the cover plate cannot be processed independently due to the lack of special fixtures, and the processing precision of the corresponding holes is difficult to ensure.

Aiming at the fixture for fixing the cover plate of the speed reducer, which is provided by the Chinese utility model patent (application number: CN201920591294.8), the fixture comprises a workbench, wherein a square cavity is arranged in the middle of the workbench, the cavity is rectangular, the four corners of the cavity are provided with clamping grooves, a backing plate is fixed above the four corners of the cavity, a pressing block is arranged above the backing plate, the pressing block is rectangular, the middle part of the pressing block is rotationally connected with the backing plate through a rivet, the pressing block is rotationally connected with a bolt close to the upper surface of the cavity, one corner of the pressing block close to the cavity is provided with a notch, the notch protrudes out of the edge of the cavity, and a spring is arranged between the two pressing blocks on the shorter side of the cavity, the fixture for fixing the cover plate of the speed reducer rotating shaft can effectively fix the cover plate of the speed reducer rotating shaft, thereby realizing the independent processing of the cover plate, the good fixed effect is favorable to improving the machining precision of apron.

But the device still has certain weak point, and the device function is simple, need change different instruments when needs are dismantled and are fastened to the apron, seriously influences work efficiency, and the device stability is relatively poor when dismantling the apron, appears the dislocation problem easily, has reduced the device's practicality. Therefore, the fastening structure for the cover plate of the speed reducer is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: simple to the function that exists at present, need change different instruments when needs are dismantled and are fastened to the apron, seriously influence work efficiency, and the device stability is relatively poor when dismantling the apron, the dislocation problem appears easily, has reduced the device's practicality.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

a fastening structure for a cover plate of a speed reducer is used for improving the problems.

The present application is specifically such that:

a fastening structure for a cover plate of a speed reducer comprises a shell and further comprises:

the device comprises a shell, a backup plate, a driving motor, a gear transmission assembly, a rotating rod, a displacement assembly, a clamping jaw and a limiting assembly, wherein the backup plate is fixedly connected inside the shell, the outer wall of the backup plate is connected with the driving motor, the output end of the driving motor is connected with the gear transmission assembly, the rotating rod connected with the gear transmission assembly is arranged inside the shell, the outer wall of the rotating rod is connected with the displacement assembly, the inside of the displacement assembly is slidably connected with the clamping jaw, and the inside of the clamping jaw is provided with the limiting assembly;

the fastening device is fixedly connected inside the shell, the output end of the fastening device penetrates through the shell and extends outwards, and the fastening device is matched with the limiting assembly and used for fixing the cover plate of the speed reducer.

As the preferred technical scheme of this application, gear drive subassembly includes the first bevel gear of fixed connection at driving motor output outer wall, the dwang outer wall is provided with the second bevel gear with first bevel gear intermeshing.

As the preferred technical scheme of this application, the displacement subassembly is including connecting the sliding seat at the dwang outer wall, the inside and jack catch phase-match of sliding seat, the inside connecting rod that is provided with and slides seat assorted of casing, sliding seat, connecting rod, jack catch and spacing subassembly are provided with two sets ofly about the casing symmetry.

As the preferred technical scheme of this application, dwang outer wall offer with two sets of sliding seat assorted first screw thread and second screw thread, first screw thread is the same with the opposite distance of second screw thread direction.

As the preferred technical scheme of this application, spacing subassembly includes sliding connection at the inside slide bar of jack catch, slide bar outer wall connection has the roof, be provided with between roof and the jack catch with slide bar assorted elastic component, the through-hole has been seted up to the slide bar outer wall, jack catch inside be provided with through-hole assorted gag lever post.

As the preferred technical scheme of this application, fastener is including setting up the electric putter in the casing inside, the electric putter output pass the casing and with speed reducer end cover phase-match, the casing outer wall be provided with electric putter assorted fixed even board.

Compared with the prior art, the beneficial effects of the utility model are that: simple structure, convenient operation can change the device's use form in a flexible way, have improved the device's function greatly, need change different instruments when avoiding dismantling and fastening the apron, guarantee the device stability when dismantling the apron simultaneously.

In the scheme of the application:

1. the use form of the device can be flexibly changed by arranging the limiting rod, the sliding rod and the clamping jaw, so that the function of the device is greatly improved, the situation that different tools need to be replaced when the cover plate needs to be disassembled and fastened is avoided, the working efficiency is ensured, and the problems that the function of the device in the prior art is simple, and the working efficiency is seriously influenced because different tools need to be replaced when the cover plate needs to be disassembled and fastened are solved;

2. through the connecting rod, slide bar, dwang and the jack catch that set up, stability when effectively guaranteeing the device and dismantling the apron, also avoid appearing the dislocation problem simultaneously, improved the device's practicality, solved among the prior art the device stability when dismantling the apron relatively poor, the dislocation problem appears easily, has reduced the device's practicality problem.

Drawings

Fig. 1 is a first structural schematic diagram of a fastening structure for a cover plate of a speed reducer provided by the present application;

fig. 2 is a structural schematic diagram ii of a fastening structure for a cover plate of a speed reducer provided by the present application;

fig. 3 is a partial structural schematic view of a fastening structure for a cover plate of a speed reducer provided by the present application;

fig. 4 is an enlarged view of a portion a in fig. 2, which is a fastening structure for a reducer cover plate provided by the present application.

The following are marked in the figure:

10. a housing; 101. a backup plate; 102. a drive motor; 103. a first bevel gear; 104. a second bevel gear; 105. rotating the rod; 106. a first thread; 107. a second thread; 108. a connecting rod; 109. a sliding seat; 110. a claw; 20. a slide bar; 201. a top plate; 202. an elastic member; 203. a through hole; 204. a limiting rod; 205. an electric push rod; 206. and fixing the connecting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, or the orientation or position relationship that the skilled person usually understands, and such terms are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-2, the present embodiment proposes a fastening structure for a reducer cover plate, including a housing 10, and further including:

the backup plate 101 is fixedly connected inside the shell 10, the outer wall of the backup plate 101 is connected with the driving motor 102, the output end of the driving motor 102 is connected with the gear transmission assembly, the rotating rod 105 connected with the gear transmission assembly is arranged inside the shell 10, the outer wall of the rotating rod 105 is connected with the displacement assembly, the inside of the displacement assembly is slidably connected with the clamping jaw 110, and the inside of the clamping jaw 110 is provided with the limiting assembly;

fastener, fixed connection is inside casing 10, fastener's output passes casing 10 and outside extension, fastener and spacing subassembly phase-match are used for the fixed to the speed reducer apron, through the gear drive subassembly that sets up, the displacement subassembly, spacing subassembly and fastener, can change the device's use form in a flexible way, the device's function has been improved greatly, need change different instruments when avoiding dismantling and fastening the apron, guarantee simultaneously that the device is to the apron stability when dismantling.

As shown in fig. 3, as a preferred embodiment, on the basis of the above manner, further, the gear transmission assembly includes a first bevel gear 103 fixedly connected to the outer wall of the output end of the driving motor 102, the outer wall of the rotating rod 105 is provided with a second bevel gear 104 engaged with the first bevel gear 103, through the rotating rod 105, the first bevel gear 103 and the second bevel gear 104, the output end of the driving motor 102 drives the first bevel gear 103 to rotate, the first bevel gear 103 drives the rotating rod 105 to rotate along the inside of the housing 10 through the second bevel gear 104, and because the outer wall of the rotating rod 105 is provided with a first thread 106 and a second thread 107 in opposite directions, the two sets of sliding seats 109 are driven to simultaneously move towards the housing 10 along the outer wall of the connecting rod 108.

As shown in fig. 1-2, as a preferred embodiment, on the basis of the above manner, further, the displacement assembly includes a sliding seat 109 connected to the outer wall of the rotating rod 105, the inside of the sliding seat 109 matches with the jaw 110, the inside of the housing 10 is provided with a connecting rod 108 matching with the sliding seat 109, the connecting rod 108, the jaw 110 and the limiting assembly are symmetrically provided with two sets with respect to the housing 10, and through the connecting rod 108, the sliding rod 20, the rotating rod 105 and the jaw 110, the stability of the device in detaching the cover plate is effectively ensured, meanwhile, the occurrence of a dislocation problem is avoided, and the practicability of the device is improved.

As shown in fig. 1, as a preferred embodiment, on the basis of the above manner, further, the outer wall of the rotating rod 105 is provided with a first thread 106 and a second thread 107 which are matched with the two sets of sliding seats 109, the first thread 106 and the second thread 107 have the same direction and the same distance, and the feasibility that the rotating rod 105 drives the sliding seats 109 to operate is effectively ensured through the provided first thread 106 and the second thread 107.

As shown in fig. 1 to 4, as a preferred embodiment, on the basis of the above manner, further, the limiting component includes a sliding rod 20 slidably connected inside the jaw 110, a top plate 201 is connected to an outer wall of the sliding rod 20, an elastic member 202 matched with the sliding rod 20 is disposed between the top plate 201 and the jaw 110, a through hole 203 is disposed on an outer wall of the sliding rod 20, a limiting rod 204 matched with the through hole 203 is disposed inside the jaw 110, and by the arrangement of the limiting rod 204, the sliding rod 20 and the jaw 110, a use form of the device can be flexibly changed, and functions of the device are greatly improved.

As shown in fig. 3, as a preferred embodiment, on the basis of the above manner, further, the fastening device includes an electric push rod 205 disposed inside the housing 10, an output end of the electric push rod 205 penetrates through the housing 10 and is matched with an end cover of the speed reducer, a fixed connecting plate 206 matched with the electric push rod 205 is disposed on an outer wall of the housing 10, and by the electric push rod 205 and the fixed connecting plate 206, the stability of the operation of the electric push rod 205 is effectively ensured, and the shaking problem is avoided.

Specifically, this a fastening structure for speed reducer apron is at the during operation: when the cover plate of the speed reducer needs to be disassembled, the limiting rod 204 is loosened manually, the end part of the sliding rod 20 is pushed to exceed the tip part of the clamping jaw 110, so that the limiting rod 204 is adjusted to enable the sliding rod 20 and the clamping jaw 110 to be in a locking state, meanwhile, the driving motor 102 is started, the output end of the driving motor 102 drives the first bevel gear 103 to rotate, the first bevel gear 103 drives the rotating rod 105 to rotate along the inside of the shell 10 through the second bevel gear 104, because the outer wall of the rotating rod 105 is provided with the first thread 106 and the second thread 107 in opposite directions, two sets of sliding seats 109 are driven to simultaneously move towards the shell 10 along the outer wall of the connecting rod 108, the sliding seats 109 drive the sliding rod 20 to be matched with the gap of the cover plate of the speed reducer through the clamping jaw 110, when the driving motor 102 continues to rotate, the gap of the cover plate and the speed reducer is enlarged, so that the disassembly of the cover plate is completed, through the connecting rod 108, the sliding rod 20, the rotating rod 105 and the clamping jaw 110, the stability of the device in detaching the cover plate is effectively guaranteed, the dislocation problem is avoided, and the practicability of the device is improved;

when the fastening of the cover plate needs to be completed, the limiting rod 204 is reversely adjusted, it is ensured that the sliding rod 20 moves to the inside of the clamping jaw 110, and further the motor 102 is driven again, the output end of the motor 102 drives the clamping jaw 110 to move towards the direction of the shell 10 through the rotating rod 105, because two groups of clamping jaws 110 are arranged, when the two groups of clamping jaws 110 are fixed with the speed reducer, the device is in a centering state at the moment, so that the electric push rod 205 is started, the electric push rod 205 drives the cover plate to be matched with the speed reducer, thereby the fastening of the end cover of the speed reducer is completed, the use form of the device can be flexibly changed through the limiting rod 204, the sliding rod 20 and the clamping jaws 110, the functions of the device are greatly improved, different tools need to be replaced when the cover plate is required to be detached and fastened, and the working efficiency is ensured.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all the technical solutions and modifications without departing from the spirit and scope of the present invention are covered by the claims of the present invention.

Claims

1. A fastening structure for a cover plate of a speed reducer, comprising a housing (10), characterized by further comprising:

the device comprises a backup plate (101) fixedly connected inside a shell (10), wherein the outer wall of the backup plate (101) is connected with a driving motor (102), the output end of the driving motor (102) is connected with a gear transmission assembly, a rotating rod (105) connected with the gear transmission assembly is arranged inside the shell (10), the outer wall of the rotating rod (105) is connected with a displacement assembly, a clamping jaw (110) is slidably connected inside the displacement assembly, and a limiting assembly is arranged inside the clamping jaw (110);

the fastening device is fixedly connected inside the shell (10), the output end of the fastening device penetrates through the shell (10) and extends outwards, and the fastening device is matched with the limiting assembly and used for fixing the cover plate of the speed reducer.

2. The fastening structure for the cover plate of the speed reducer is characterized in that the gear transmission assembly comprises a first bevel gear (103) fixedly connected to the outer wall of the output end of the driving motor (102), and a second bevel gear (104) meshed with the first bevel gear (103) is arranged on the outer wall of the rotating rod (105).

3. The fastening structure for the cover plate of the speed reducer according to claim 1, wherein the displacement assembly comprises a sliding seat (109) connected to the outer wall of the rotating rod (105), the sliding seat (109) is internally matched with a clamping jaw (110), a connecting rod (108) matched with the sliding seat (109) is arranged inside the housing (10), and the sliding seat (109), the connecting rod (108), the clamping jaw (110) and the limiting assembly are symmetrically arranged in two groups about the housing (10).

4. The fastening structure for the cover plate of the speed reducer according to claim 1, wherein the outer wall of the rotating rod (105) is provided with a first thread (106) and a second thread (107) which are matched with the two sets of sliding seats (109), and the first thread (106) and the second thread (107) have the same direction and the same distance.

5. The fastening structure for the cover plate of the speed reducer according to claim 1, wherein the limiting assembly comprises a sliding rod (20) slidably connected inside a clamping jaw (110), a top plate (201) is connected to the outer wall of the sliding rod (20), an elastic part (202) matched with the sliding rod (20) is arranged between the top plate (201) and the clamping jaw (110), a through hole (203) is formed in the outer wall of the sliding rod (20), and a limiting rod (204) matched with the through hole (203) is arranged inside the clamping jaw (110).

6. The fastening structure for the cover plate of the speed reducer is characterized in that the fastening device comprises an electric push rod (205) arranged inside a shell (10), the output end of the electric push rod (205) penetrates through the shell (10) and is matched with an end cover of the speed reducer, and a fixed connecting plate (206) matched with the electric push rod (205) is arranged on the outer wall of the shell (10).