CN219152166U - Special fixture for thread machining - Google Patents

Abstract

The utility model is suitable for the technical field of radiator processing equipment, and provides a special fixture for thread processing. The positioning mechanism is arranged, the phenomenon that the radiator is deviated when being clamped and fixed can be avoided, the connecting rotating rod is driven to rotate by the starting driving motor, at the moment, the lifting pressing plate can be driven to descend by the screw rod through the mutual matching of the connecting rotating rod, the first bevel gear, the second bevel gear, the straight gear and the limiting rotating ring, meanwhile, the spring drives the movable sliding block through rebound, the positioning clamping plate is driven to extrude and position the radiator along with the descending of the lifting pressing plate, and at the moment, the rack is driven by the meshing of the straight gear, and the fixing clamping plate is driven to clamp and fix the radiator through the connecting pulling plate, so that the phenomenon that the radiator is deviated when being clamped and fixed is avoided.

Description

Special fixture for thread machining

Technical Field

The utility model belongs to the technical field of radiator processing equipment, and particularly relates to a special fixture for thread processing.

Background

Along with the continuous development of science and technology, a plurality of science and technology products are integrated in production and life, the science and technology products can continuously generate heat in the process of energy conversion while providing convenience for the production and life of people, and in order to ensure the normal operation of the products, the heat dissipation problems of the science and technology products need to be solved, especially in some equipment with higher power, as the working efficiency of the equipment is continuously improved, and peripheral electronic components are also continuously increased, so that the whole heat productivity of the equipment is also greatly improved, the heat dissipation through the heat dissipater is required, the existing heat dissipater generally adopts an aluminum heat dissipater, the aluminum heat dissipater generally refers to an aluminum heat dissipater, the aluminum heat dissipater is also called a heat dissipater aluminum profile or a sunflower aluminum profile, and the aluminum heat dissipater needs to be fixedly operated through bolts in the installation process of the aluminum profile heat dissipater, so that the thread grooving operation needs to be carried out in the production and processing process of the aluminum profile heat dissipater.

The existing aluminum profile radiator needs to be subjected to thread grooving through a tapping machine in the production and processing process, and the aluminum profile radiator needs to be clamped and fixed through a clamp in the process, but the existing clamp is mutually close to the clamping plates in the horizontal direction for extrusion clamping, and the aluminum profile radiator is easy to generate position deviation along the vertical direction under the extrusion of the clamping plates in the horizontal direction, so that the follow-up processing is affected, and therefore, the special clamp for thread processing is provided.

Disclosure of Invention

The utility model provides a special fixture for thread machining, and aims to solve the problem that radiators with different sizes cannot be automatically positioned and fixed.

The utility model discloses a special fixture for thread processing, which comprises a base, wherein one side of the top end of the base is fixedly connected with a support frame through a bolt assembly, the top end of the support frame is fixedly connected with an electric push rod through a bolt, the output end of the electric push rod is fixedly connected with a lifting pushing frame positioned at the top end of the inner wall of the support frame, and the top end of the base and one side of the support frame are provided with a positioning mechanism penetrating into the base and used for positioning a radiator; the positioning mechanism comprises a screw rod, two positioning clamping plates, a lifting pressing plate, springs and a movable sliding block, wherein the two positioning clamping plates are respectively and slidably connected to the upper surfaces of two sides of the base and are positioned below the lifting pushing frame; one end of the base is provided with a fixing mechanism which penetrates through the base and is sleeved on the outer wall of the screw rod and used for clamping and fixing the radiator.

Preferably, the fixed establishment includes fixed splint, driving motor, connection bull stick, rack, connects arm-tie, first bevel gear, second bevel gear, spur gear and spacing swivel, driving motor passes through the one end of bolt fixed connection at the base, connect the bull stick and pass through shaft coupling fixed connection at driving motor's output, and be located the inside of base, the second bevel gear is keeping away from driving motor's one end at the connection bull stick through welded fastening, first bevel gear meshing is at the outer wall of second bevel gear, and cup joints the outer wall at the lead screw, the spur gear passes through welded fastening on the top of first bevel gear, spacing swivel passes through welded fastening on the top of spur gear, the rack is provided with two, two rack symmetrical engagement is at the outer wall of spur gear, connect the arm-tie and keep away from the one end of spur gear through welded fastening at the rack, the fixed splint passes through welded fastening and is connecting the top of arm-tie.

Preferably, the servo motor is fixedly connected to the inside of the lifting pushing frame through a bolt, the output end of the servo motor is fixedly connected with a screw tap positioned on the lower surface of the lifting pushing frame through a coupler, and the servo motor is electrically connected with the controller through a wire.

Preferably, a movable chute for the movable slider to slide is arranged at the joint position of the base and the movable slider, and a lifting chute for the screw rod and the lifting pressing plate to slide is arranged at the joint position of the base and the screw rod and the lifting pressing plate.

Preferably, the lower surface of the movable slide block is in a slope shape, an extrusion surface matched with the outer wall of the movable slide block is arranged at the joint position of the lifting pressing plate and the movable slide block, and a plurality of first balls for reducing friction force between the lifting pressing plate and the movable slide block are arranged on the upper surface of the lifting pressing plate.

Preferably, the output end of the driving motor is rotationally connected with the base through a bearing, a limiting rotating groove for connecting the rotating rod, the second bevel gear, the first bevel gear, the straight gear and the limiting rotating ring is formed in the connecting position of the base and the connecting rotating rod, the second bevel gear, the first bevel gear, the straight gear and the limiting rotating ring, and a moving pull groove for sliding of the rack and the connecting pull plate is formed in the connecting position of the base and the rack and the connecting pull plate.

Preferably, a limit sleeve groove for the screw rod to rotate is formed in the connection position of the first bevel gear, the straight gear and the limit swivel and the screw rod, and a second ball matched with the screw thread on the outer wall of the screw rod is installed in the connection position of the limit sleeve groove and the screw rod.

Compared with the prior art, the embodiment of the application has the following main beneficial effects: the utility model comprises the following steps:

through setting up positioning mechanism, this mechanism can avoid the radiator to take place the phenomenon of skew when the centre gripping is fixed, drive through starting driving motor and connect the bull stick rotation, this moment through connecting the bull stick, first bevel gear, second bevel gear, straight-tooth gear, spacing swivel's mutually supporting, the accessible lead screw drives the lift clamp plate and descends, the spring promotes the slider through the rebound simultaneously, along with the decline of lift clamp plate, drive the locating splint and extrude the location to the radiator, the rack drives under the meshing of straight-tooth gear this moment, it is fixed to the radiator clamp through connecting the arm-tie drive plate, thereby avoid the radiator to take place the phenomenon of skew when the centre gripping is fixed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a base and support frame of the present utility model;

FIG. 3 is a schematic view of the positioning mechanism and securing mechanism of the present utility model;

fig. 4 is an enlarged schematic view of a portion of fig. 3 according to the present utility model.

In the figure: 1. a base; 2. a positioning mechanism; 201. a screw rod; 202. positioning clamping plates; 203. a lifting pressing plate; 204. a spring; 205. moving the slide block; 3. a fixing mechanism; 301. a fixed clamping plate; 302. a driving motor; 303. connecting a rotating rod; 304. a rack; 305. connecting a pulling plate; 306. a first bevel gear; 307. a second bevel gear; 308. spur gears; 309. a limiting swivel; 4. a support frame; 5. an electric push rod; 6. lifting pushing frame.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the utility model provides a special fixture for thread processing, which comprises a base 1, wherein one side of the top end of the base 1 is fixedly connected with a support frame 4 through a bolt assembly, the top end of the support frame 4 is fixedly connected with an electric push rod 5 through a bolt, the output end of the electric push rod 5 is fixedly connected with a lifting push frame 6 positioned at the top end of the inner wall of the support frame 4, the inside of the lifting push frame 6 is fixedly connected with a servo motor through a bolt, the output end of the servo motor is fixedly connected with a tap positioned on the lower surface of the lifting push frame 6 through a coupler, the servo motor is electrically connected with a controller through a wire, and the top end of the base 1 and one side of the support frame 4 are provided with a positioning mechanism 2 penetrating into the base 1 for positioning a radiator;

the positioning mechanism 2 comprises a screw rod 201, positioning clamping plates 202, a lifting pressing plate 203, springs 204 and a movable sliding block 205, wherein the two positioning clamping plates 202 are respectively and slidably connected to the upper surfaces of two sides of the base 1 and are positioned below the lifting pushing frame 6, the movable sliding block 205 is fixedly connected to the bottom end of the positioning clamping plates 202 through welding and is slidably connected to the inside of the base 1, the lower surface of the movable sliding block 205 is in a slope shape, the springs 204 are connected to the outer wall of one side of the movable sliding block 205 and are positioned below the side, away from each other, of the two positioning clamping plates 202, the springs 204 are in contact with the inner wall of one side of the base 1, the lifting pressing plate 203 is slidably connected to the inside of the top end of the base 1 and is positioned on the lower surface of the movable sliding block 205, the extrusion surface matched with the outer wall of the movable sliding block 205 is arranged at the joint position of the lifting pressing plate 203, a plurality of first balls used for reducing friction force between the lifting pressing plate 203 and the movable sliding block 205 are arranged on the upper surface of the lifting pressing plate 203, and the bottom end of the movable sliding block 205 is fixedly connected to the lifting pressing plate 203 through welding;

one end of the base 1 is provided with a fixing mechanism 3 which penetrates through the base 1 and is sleeved on the outer wall of the screw rod 201 and used for clamping and fixing the radiator.

In this embodiment, the radiator is placed on the upper surface of the base 1 during use, at this time, the screw rod 201 is driven to descend through the fixing mechanism 3, meanwhile, the screw rod 201 drives the lifting pressing plate 203 to slide down along the inner wall of the base 1, at this time, the spring 204 pushes the movable sliding block 205 to slide along the inner wall of the base 1 through rebound, in the process, the movable sliding block 205 slides along the extrusion surface of the lifting pressing plate 203 through the outer wall which is in a slope shape, at the same time, the friction force between the lifting pressing plate 203 and the movable sliding block 205 is reduced through the first balls, when the movable sliding block 205 extrudes and positions the outer wall of the radiator through the positioning clamping plate 202 under the rebound of the spring 204, at this time, the lifting pressing plate 203 is driven by the screw rod 201 to be separated from the lower surface of the movable sliding block 205, so that radiators of different sizes can be automatically positioned, then the radiator can be clamped and fixed through the fixing mechanism 3, so that the radiator can be firmly clamped, at this time, the electric push rod 5 is started to push the lifting push frame 6 to descend, and the tap is driven to a preset height through the lifting frame 6, at this time, the servo motor is started to drive the tap to rotate through the controller, and the tap is pushed by the electric push rod 5 to move down through the lifting frame 6, and the tap, so that the tap can be stepped down to operate to different models of different screw threads.

In a further preferred embodiment of the present utility model, as shown in fig. 1-4, the fixing mechanism 3 comprises a fixing clamp plate 301, a driving motor 302, a connecting rotating rod 303, a rack 304, a connecting pull plate 305, a first bevel gear 306, a second bevel gear 307, a spur gear 308 and a limiting rotating ring 309, wherein the driving motor 302 is fixedly connected to one end of the base 1 through bolts, the connecting rotating rod 303 is fixedly connected to the output end of the driving motor 302 through a coupling and is positioned in the base 1, the second bevel gear 307 is fixedly connected to one end of the connecting rotating rod 303 far away from the driving motor 302 through welding, the first bevel gear 306 is meshed with the outer wall of the second bevel gear 307 and is sleeved on the outer wall of the screw 201, the spur gear 308 is fixedly connected to the top end of the first bevel gear 306 through welding, the limiting rotating ring 309 is fixedly connected to the top end of the spur gear 308 through welding, a limiting sleeve groove for the rotation of the screw 201 is formed in the joint position of the first bevel gear 306, the spur gear 308 and the limiting rotating ring 309, a second ball 304 which is mutually matched with the outer wall threads of the screw 201 is installed in the joint position of the limiting sleeve groove and the screw 201, two racks 304 are arranged, the racks are symmetrically meshed with the two racks are fixedly connected to the outer walls of the rack 305 and are fixedly meshed with the rack 305 at one end far from the outer wall of the rack 305 through welding.

In this embodiment, the connection rotating rod 303 is driven to rotate by starting the driving motor 302, at this time, the connection rotating rod 303 drives the second bevel gear 307 to rotate, meanwhile, the second bevel gear 307 is meshed to drive the first bevel gear 306 to rotate, at this time, the first bevel gear 306 drives the limiting rotating ring 309 to rotate through the spur gear 308, at the same time, the first bevel gear 306, the spur gear 308 and the limiting rotating ring 309 drive the screw rod 201 to descend through the second ball, at this time, the lifting pressing plate 203 is driven by the screw rod 201 to synchronously descend along the inner wall of the base 1, at the same time, the spur gear 308 is meshed to drive the rack 304 to slide along the inner wall of the base 1, at this time, the rack 304 drives the fixed clamping plate 301 to clamp and fix the outer wall of the radiator through the connection pulling plate 305, so that the radiators with different sizes can be conveniently fixed.

In a further preferred embodiment of the present utility model, as shown in fig. 2-4, a moving chute for sliding the moving slider 205 is provided at a position where the base 1 is connected to the moving slider 205, and a lifting chute for sliding the screw 201 and the lifting platen 203 is provided at a position where the base 1 is connected to the screw 201 and the lifting platen 203.

In this embodiment, the screw rod 201 is driven by the second balls inside the first bevel gear 306, the spur gear 308 and the limiting swivel 309 through the lifting chute, and drives the lifting platen 203 to lift and slide along the inner wall of the base 1, and meanwhile, the moving slide 205 can slide along the upper surface of the lifting platen 203 under the rebound pushing of the spring 204 through the moving chute.

In a further preferred embodiment of the present utility model, as shown in fig. 2-4, the output end of the driving motor 302 is rotatably connected with the base 1 through a bearing, a position where the base 1 is connected with the connecting rod 303, the second bevel gear 307, the first bevel gear 306, the spur gear 308, and the limiting swivel 309 is provided with a limiting swivel groove for rotating the connecting rod 303, the second bevel gear 307, the first bevel gear 306, the spur gear 308, and the limiting swivel 309, and a position where the base 1 is connected with the rack 304 and the connecting pull plate 305 is provided with a moving pull groove for sliding the rack 304 and the connecting pull plate 305.

In this embodiment, through the cooperation of the limiting rotating groove and the moving pull groove, the connecting rotating rod 303 is driven by the driving motor 302 to drive the first bevel gear 306 to rotate through the engagement of the second bevel gear 307, meanwhile, the spur gear 308 is driven by the first bevel gear 306 to drive the limiting rotating ring 309 to rotate along the inner wall of the base 1, and meanwhile, the rack 304 is driven by the engagement of the spur gear 308 to drive the connecting pull plate 305 to slide along the inner wall of the base 1.

It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.

In the several embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and such partitioning of the above-described elements may be implemented in other manners, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or communication connection shown or discussed as being between each other may be an indirect coupling or communication connection between devices or elements via some interfaces, which may be in the form of telecommunications or otherwise.

The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims (7)

1. The special fixture for thread machining comprises a base, a support frame, an electric push rod and a lifting pushing frame, and is characterized in that a positioning mechanism penetrating into the base and used for positioning a radiator is arranged at the top end of the base and positioned at one side of the support frame;

the positioning mechanism comprises:

the positioning clamp plate is connected to the upper surfaces of the two sides of the base, the bottom end of the positioning clamp plate is fixedly connected with a movable slide block which is in sliding connection with the base, the outer wall of one side of the movable slide block is connected with a spring which is in contact with the inner wall of one side of the base, the top end of the base is internally and slidably connected with a lifting press plate, and the bottom end of the lifting press plate is fixedly connected with a screw rod;

one end of the base is provided with a fixing mechanism which penetrates through the base and is sleeved on the outer wall of the screw rod and used for clamping and fixing the radiator.

2. A special fixture for threading as claimed in claim 1 wherein said securing means comprises:

the driving motor of fixed connection in the one end of base, driving motor's output fixedly connected with connects the bull stick, the one end fixedly connected with second bevel gear that driving motor was kept away from to the bull stick is connected with to the connection bull stick, the outer wall meshing of second bevel gear is connected with the first bevel gear of cup jointing at the lead screw outer wall, the top fixedly connected with spur gear of first bevel gear, the top fixedly connected with spacing swivel of spur gear, the outer wall symmetrical meshing of spur gear is connected with the rack, the one end fixedly connected with connection arm-tie that spur gear was kept away from to the rack, the top fixedly connected with fixed splint of connection arm-tie.

3. The special fixture for thread machining according to claim 1, wherein the servo motor is fixedly connected to the inside of the lifting pushing frame through bolts, the output end of the servo motor is fixedly connected with a tap positioned on the lower surface of the lifting pushing frame through a coupler, and the servo motor is electrically connected with the controller through a wire.

4. The special fixture for thread machining according to claim 1, wherein the movable slide block is slidably connected to the inside of the base, and the screw rod and the lifting press plate are slidably connected to the inside of the base.

5. The special fixture for thread machining of claim 2, wherein the lower surface of the movable slide block is in a slope shape, an extrusion surface matched with the outer wall of the movable slide block is arranged at the joint position of the lifting pressing plate and the movable slide block, and a plurality of first balls for reducing friction force between the lifting pressing plate and the movable slide block are arranged on the upper surface of the lifting pressing plate.

6. The special fixture for thread machining according to claim 2, wherein the output end of the driving motor is rotatably connected with the base through a bearing, the connecting rotating rod, the second bevel gear, the first bevel gear, the straight gear and the limiting rotating ring are rotatably connected in the base, and the rack and the connecting pull plate are slidably connected in the base.

7. The special fixture for thread machining according to claim 2, wherein a limit sleeve groove for the screw rod to rotate is formed in the joint position of the first bevel gear, the straight gear and the limit swivel and the screw rod, and a second ball matched with the screw thread on the outer wall of the screw rod is arranged in the joint position of the limit sleeve groove and the screw rod.

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