CN218693799U

CN218693799U - Demoulding device for screw teeth

Info

Publication number: CN218693799U
Application number: CN202222678856.7U
Authority: CN
Inventors: 徐雪冰
Original assignee: Shenzhen Haas Technology Co ltd
Current assignee: Shenzhen Haas Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-24
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a shedder of thread, including processing platform and mould, the top of processing platform is provided with supplementary drawing of patterns subassembly and driven subassembly, supplementary drawing of patterns subassembly includes loop bar, slide bar, spring A, roof and holder, the holder includes fixed frame, the bottom at the roof is fixed to fixed frame, the bottom of fixed frame is run through by splint and with splint sliding connection, be fixed with spring B on the inner wall of fixed frame, spring B keeps away from the one end of fixed frame and is fixed with splint. Through supplementary drawing of patterns subassembly and the motor that sets up, when continuing the peaceful drawing of patterns, only need promote roof downstream control splint and clip public mould income, loosen the roof when the starter motor drives the body rotation, when public mould income rebound can be taken to the roof, the body area thread income is rotated, realizes the thread simultaneous rotation and the retreat of phase change to realize the drawing of patterns, the practicality is stronger.

Description

Demoulding device for screw teeth

Technical Field

The utility model relates to a screw tooth mould field, in particular to shedder of screw tooth.

Background

In order to facilitate connection of other parts, partial workpieces need to be provided with threaded holes, the traditional threaded holes are obtained in a drilling and tapping mode, the process is complex, and the production cost is high. The emerging technology is that during injection molding or pressure casting, a cavity is provided with a thread rotating shaft, and a threaded hole is directly formed in a workpiece after injection molding or pouring.

At present, in the demoulding process of the screw threads, the screw threads need to rotate and retreat simultaneously, a rotating mechanism and a retreating mechanism need to be equipped for a fixed demoulding mechanism, the rotating mechanism and the retreating mechanism need to act synchronously, and the operation is complex, so that a demoulding device for the screw threads is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a shedder of screw tooth has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a shedder of screw tooth, including processing platform and mould, the top of processing platform is provided with supplementary drawing of patterns subassembly and driven subassembly, supplementary drawing of patterns subassembly includes:

the loop bar is fixed at the top of the processing table;

the sliding rod penetrates through the top of the sleeve rod and is connected with the sleeve rod in a sliding manner;

one end of the spring A is fixed on the inner wall of the loop bar, and one end of the spring A, which is far away from the loop bar, is fixed with the sliding bar;

the top of the sliding rod is fixed at the bottom of the top plate;

the clamping piece is arranged at the bottom of the top plate.

Optionally, the holder includes fixed frame, the bottom at the roof is fixed to fixed frame, the bottom of fixed frame is run through by splint and with splint sliding connection, be fixed with spring B on the inner wall of fixed frame, spring B keeps away from the one end of fixed frame and fixes with splint, the bottom of fixed frame is run through by the ejector pin and with ejector pin sliding connection, be fixed with spring C on the inner wall of fixed frame, spring C keeps away from the one end of fixed frame and fixes with the ejector pin, the top of ejector pin is fixed with the limiting plate.

Optionally, a through hole is formed in the clamping plate, and a sliding groove for the clamping plate to move left and right is formed in the bottom of the fixing frame.

Optionally, driven subassembly includes the connecting rod, the connecting rod run through the bottom of slide bar and roof and with slide bar and roof sliding connection, the fixed surface of connecting rod has to support the piece, be fixed with the fixed block on the inner wall of slide bar, the top of connecting rod is fixed with L type pole, the bottom of L type pole is fixed with the connecting plate, the bottom of connecting plate articulates there is branch, branch runs through the bottom of roof and the top of fixed frame, the one end that the connecting plate was kept away from to branch articulates the one side that splint are close to fixed frame center.

Optionally, the mold comprises a body, a male mold insert and a thread insert, a motor is fixed on the inner wall of the processing table, an output shaft of the motor is in transmission connection with the body through a belt, and the body penetrates through the processing table and is in rotary connection with the processing table.

Optionally, one side of the clamping plate close to the center of the fixing frame is provided with a wavy rubber plate.

Compared with the prior art, the utility model discloses possess following beneficial effect:

(1) This shedder of screw tooth through supplementary drawing of patterns subassembly and the motor that sets up, when continuing to calm the drawing of patterns, only needs to promote roof downstream control splint and cliies the male mold income, loosens the roof when starter motor drives the body rotation, and when the roof can take the male mold income rebound, the body area screw tooth income is rotated, realizes the screw tooth simultaneous rotation and the retreat of phase change to realize the drawing of patterns, the practicality is stronger.

(2) The demoulding device of this screw tooth through the driven subassembly that sets up, after the drawing of patterns is accomplished, can loosen public mould income, and the device is whole can automatic re-setting to the staff uses convenient to use in drawing of patterns next time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of the overall device of the present invention;

FIG. 2 is a schematic sectional front view of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of B in FIG. 2 according to the present invention;

fig. 5 is a side view of the splint of the present invention;

fig. 6 is a schematic view of the sliding groove structure at the bottom of the fixing frame of the present invention.

The reference numbers indicate: 1. a processing table; 2. a mold; 21. a body; 22. a male mold insert; 23. inserting a screw thread into the nut; 3. an auxiliary stripping assembly; 31. a loop bar; 32. a slide bar; 33. a spring A; 34. a top plate; 35. a clamping member; 351. a fixing frame; 352. a splint; 353. a spring B; 354. a top rod; 355. a spring C; 356. a limiting plate; 4. a driven assembly; 41. a connecting rod; 42. a resisting block; 43. a fixed block; 44. an L-shaped rod; 45. a connecting plate; 46. a strut; 5. an electric motor.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 6, the utility model provides a shedder of screw tooth, including processing platform 1 and mould 2, the top of processing platform 1 is provided with supplementary drawing of patterns subassembly 3 and driven subassembly 4.

In the embodiment of the present invention, the auxiliary demoulding assembly 3 includes the loop bar 31, the loop bar 31 is fixed at the top of the processing table 1, the slide bar 32 runs through the top of the loop bar 31 and is slidably connected with the loop bar 31, one end of the spring a33 is fixed on the inner wall of the loop bar 31, one end of the spring a33 far away from the loop bar 31 is fixed with the slide bar 32, the top of the slide bar 32 is fixed at the bottom of the top plate 34, and the bottom of the top plate 34 is provided with the clamping member 35.

Specifically, supplementary drawing of patterns subassembly 3 includes loop bar 31, slide bar 32, spring a33, roof 34 and holder 35, holder 35 includes fixed frame 351, fixed frame 351 is fixed in the bottom of roof 34, the bottom of fixed frame 351 is run through and with splint 352 sliding connection by splint 352, be fixed with spring B353 on the inner wall of fixed frame 351, the one end that fixed frame 351 was kept away from to spring B353 is fixed with splint 352, the bottom of fixed frame 351 is run through and with ejector pin 354 sliding connection by ejector pin 354, be fixed with spring C355 on the inner wall of fixed frame 351, the one end that fixed frame 351 was kept away from to spring C355 is fixed with ejector pin 354, spacing plate 356 is fixed at the top of ejector pin 354, spacing plate 356 can be kept against splint 352 and carry out spacing to splint 352.

The utility model discloses an in the embodiment, seted up the through-hole on the splint 352, when ejector pin 354 takes limiting plate 356 upward movement, limiting plate 356 can move the through-hole position on the splint 352, and under the effect of spring B353, splint 352 can move to the one side that is close to fixed frame 351 center, and the spout that controls about supplying splint 352 is seted up to the bottom of fixed frame 351.

With continued reference to fig. 1-6, the follower assembly 4 includes a connecting rod 41, the connecting rod 41 penetrates the bottom of the sliding rod 32 and the top plate 34 and is slidably connected to the sliding rod 32 and the top plate 34, a support block 42 is fixed on the surface of the connecting rod 41, a fixed block 43 is fixed on the inner wall of the sliding rod 32, an L-shaped rod 44 is fixed on the top of the connecting rod 41, a connecting plate 45 is fixed on the bottom of the L-shaped rod 44, a support rod 46 is hinged on the bottom of the connecting plate 45, the support rod 46 penetrates the bottom of the top plate 34 and the top of the fixed frame 351, one end of the support rod 46 far from the connecting plate 45 is hinged on one side of the clamp plate 352 close to the center of the fixed frame 351, when the top plate 34 is pushed to move downwards, the top plate 34 carries the connecting rod 41 to move downwards through the sliding rod 32, the connecting rod 41 no longer carries the connecting rod 44, the connecting plate 45 and the support rod 46 to abut against the clamp plate 352, when the top plate 34 carries the sliding rod 32 and the sliding rod 41 to move upwards, the support rod 41 moves upwards for a distance, the support block 42 is abutted against the connecting rod 41, so that the connecting rod 41 alone moves downwards and moves away from the side of the fixed block 352.

In addition, the die 2 consists of a body 21, a male die insert 22 and a screw thread insert 23, a motor 5 is fixed on the inner wall of the processing table 1, an output shaft of the motor 5 is in transmission connection with the body 21 through a belt, the body 21 penetrates through the processing table 1 and is in rotation connection with the processing table 1, and the motor 5 can drive the body 21 to rotate through the belt by starting the motor 5.

In order to clamp the male mold insert 22 more stably, a wavy rubber plate is disposed on one side of the clamping plate 352 close to the center of the fixing frame 351, so that the friction force between the clamping plate 352 and the male mold insert 22 can be improved, and the fixing effect can be further improved.

In the present invention, when the mold is removed, the top plate 34 is pushed to move downward, the top plate 34 drives the connecting rod 41 to move downward through the sliding rod 32, and the connecting rod 41 is no longer abutted to the clamping plate 352 through the L-shaped rod 44, the connecting plate 45 and the supporting rod 46.

Meanwhile, the top plate 34 carries the fixing frame 351 to move downwards, the fixing frame 351 abuts against the ejector rod 354 and the clamping plate 352 to move downwards, the ejector rod 354 abuts against the top of the male mold insert 22, the ejector rod 354 is abutted to move upwards, the ejector rod 354 carries the limiting plate 356 to move upwards, the limiting plate 356 moves to the position of the through hole in the clamping plate 352, the clamping plate 352 can move towards one side close to the center of the fixing frame 351 under the action of the spring B353, and the clamping plate 352 clamps the male mold insert 22.

At this moment, the motor 5 is started, the motor 5 drives the body 21 to rotate through the belt, meanwhile, the top plate 34 is loosened, under the action of the spring A33, the top plate 34 drives the sliding rod 32 and the connecting rod 41 to move upwards, the screw tooth insert 23 is driven to rotate along with the body 21, the male mold insert 22 does not rotate, and the male mold insert 22 can move upwards along with the top plate 34, so that demolding is achieved.

After the connecting rod 41 moves upwards for a certain distance, the abutting block 42 on the surface of the connecting rod 41 is abutted by the fixing block 43, so that the connecting rod 41 cannot continuously move upwards along with the connecting rod 41, at the moment, the connecting rod 41 changes phase and independently moves downwards in the sliding rod 32, the sliding rod 32 drives the L-shaped rod 44 and the connecting plate 45 to move downwards, the connecting plate 45 pushes the clamping plate 352 to move towards one side away from the center of the fixing frame 351 through the supporting rod 46, the fixing of the male mold insert 22 is released, after the male mold insert 22 is taken down, the ejector rod 354 is not abutted any more, under the action of the spring C355, the ejector rod 354 drives the limiting plate 356 to move downwards, the limiting plate 356 abuts against the clamping plate 352 again to limit the clamping plate 352, and the whole device is reset.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a shedder of screw tooth, includes processing platform (1) and mould (2), its characterized in that: the top of processing platform (1) is provided with supplementary drawing of patterns subassembly (3) and driven subassembly (4), supplementary drawing of patterns subassembly (3) include:

the loop bar (31), the loop bar (31) is fixed on the top of the processing table (1);

the sliding rod (32) penetrates through the top of the sleeve rod (31) and is connected with the sleeve rod (31) in a sliding mode;

one end of the spring A (33) is fixed on the inner wall of the loop bar (31), and one end, far away from the loop bar (31), of the spring A (33) is fixed with the sliding bar (32);

the top of the sliding rod (32) is fixed at the bottom of the top plate (34);

the clamping piece (35) is arranged at the bottom of the top plate (34).

2. A thread stripping apparatus as claimed in claim 1, wherein: the clamping piece (35) comprises a fixing frame (351), the fixing frame (351) is fixed at the bottom of the top plate (34), the bottom of the fixing frame (351) is penetrated through by a clamping plate (352) and is in sliding connection with the clamping plate (352), a spring B (353) is fixed on the inner wall of the fixing frame (351), one end, far away from the fixing frame (351), of the spring B (353) is fixed with the clamping plate (352), the bottom of the fixing frame (351) is penetrated through by a top rod (354) and is in sliding connection with the top rod (354), a spring C (355) is fixed on the inner wall of the fixing frame (351), one end, far away from the fixing frame (351), of the spring C (355) is fixed with the top rod (354), and a limiting plate (356) is fixed at the top of the top rod (354).

3. A thread stripping apparatus as claimed in claim 2, wherein: the clamping plate (352) is provided with a through hole, and the bottom of the fixing frame (351) is provided with a sliding groove for the clamping plate (352) to move left and right.

4. A thread stripping apparatus as claimed in claim 2, wherein: driven subassembly (4) include connecting rod (41), connecting rod (41) run through the bottom of slide bar (32) and roof (34) and with slide bar (32) and roof (34) sliding connection, the fixed surface of connecting rod (41) has and supports piece (42), be fixed with fixed block (43) on the inner wall of slide bar (32), the top of connecting rod (41) is fixed with L type pole (44), the bottom of L type pole (44) is fixed with connecting plate (45), the bottom of connecting plate (45) articulates there is branch (46), branch (46) run through the bottom of roof (34) and the top of fixed frame (351), the one end that connecting plate (45) were kept away from in branch (46) articulates in one side that splint (352) are close to fixed frame (351) center.

5. A thread stripping apparatus as claimed in claim 1, wherein: the die (2) is composed of a body (21), a male die insert (22) and a thread insert (23), a motor (5) is fixed on the inner wall of the processing table (1), an output shaft of the motor (5) is in transmission connection with the body (21) through a belt, and the body (21) penetrates through the processing table (1) and is in rotation connection with the processing table (1).

6. A thread stripping apparatus as claimed in claim 2, wherein: and a wavy rubber plate is arranged on one side of the clamping plate (352) close to the center of the fixing frame (351).