CN220920659U - Mould for pressing teeth - Google Patents
Mould for pressing teeth Download PDFInfo
- Publication number
- CN220920659U CN220920659U CN202322411783.XU CN202322411783U CN220920659U CN 220920659 U CN220920659 U CN 220920659U CN 202322411783 U CN202322411783 U CN 202322411783U CN 220920659 U CN220920659 U CN 220920659U
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- China
- Prior art keywords
- die
- plate
- pressing
- forming
- teeth
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- 238000003754 machining Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000000465 moulding Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The die for pressing the teeth is used for processing the surface of a flat plate into continuous wave teeth and comprises an upper die plate, a lower die plate, a forming female die fixed on the lower die plate, a forming male die fixedly connected to the upper die plate and a pressing plate connected to the upper die plate in sequence according to the feeding direction; the upper template and the lower template are vertically connected in a sliding manner; the positions of the forming male die and the pressing plate correspond to the forming female die; the forming male die and the pressing plate move up and down synchronously with the upper die plate; the forming male die and the forming female die are used for processing wave teeth; the pressing plate and the forming female die are used for pressing the wave teeth processed by the forming male die. The utility model provides a die capable of machining wavy teeth, which is characterized in that a forming male die is used for machining wavy teeth, the machined wavy teeth are sent into a pressing plate to keep the profile of the wavy teeth, rebound is prevented, blanks are machined and positioned, and the die has the advantage of providing machining precision.
Description
Technical Field
The utility model relates to the field of stamping dies, in particular to a die for pressing teeth.
Background
When the copper gear required by aerospace is processed, the flat plate is processed into continuous wave teeth, and then the processed wave teeth are spliced end to end and assembled on the gear to form the gear teeth.
However, in the prior art, the number of dies capable of processing the wave teeth is very small, and the precision is difficult to meet the requirement of spaceflight.
Disclosure of utility model
The utility model aims to provide a die with high processing precision so as to solve the problems.
In order to achieve the above object, the present utility model provides the following technical solutions:
The die for pressing the teeth is used for processing a flat plate into continuous wave teeth and comprises an upper die plate, a lower die plate, a forming female die fixed on the lower die plate, a forming male die fixedly connected on the upper die plate and a pressing plate connected on the upper die plate in sequence according to a feeding direction;
the upper template is vertically connected with the lower template in a sliding manner;
The positions of the forming male die and the pressing plate which are provided with molded surfaces correspond to the molded surface positions of the forming female die;
The forming male die and the pressing plate move up and down synchronously with the upper die plate;
the forming male die and the forming female die are used for processing wave teeth;
The pressing plate and the forming female die are used for pressing the wave teeth processed by the forming male die.
Further, the upper die plate elastically supports the material pressing plate through at least one elastic device, and the elastic device is connected between the upper die plate and the material pressing plate.
Further, the elastic device comprises a spring screw with a nut, a limit sleeve and a spring from inside to outside in sequence from coaxially arranged;
The upper die plate is provided with a countersunk through hole, one end of the limiting sleeve is fixedly sleeved in the countersunk through hole, and the other end of the limiting sleeve extends towards the direction close to the material pressing plate;
The spring screw freely penetrates through the limit sleeve, the nut is clamped outside the top end of the limit sleeve, and the other end of the spring screw is fixedly connected with the pressing plate;
the spring is abutted between the upper die plate and the pressing plate and sleeved outside the limit sleeve.
Further, the elastic device further comprises a sleeve plate fixedly connected to the bottom surface of the upper template, and one end, close to the upper template, of the spring is sleeved in the through hole of the sleeve plate.
Further, the elastic device further comprises a gasket sleeved outside the spring screw, and the gasket is clamped between the limit sleeve and the nut.
Further, the feeding device further comprises two elastic positioning pins which are arranged along the feeding direction and are positioned outside the edge of the flat plate, and the two elastic positioning pins are used for guiding the feeding direction of the flat plate.
Further, the forming male die and the forming female die are used for machining a wave tooth.
Further, a guide sleeve is fixed on the upper die plate, and a guide post which is in sliding fit with the guide sleeve is fixed on the lower die plate.
In the technical scheme, the die for pressing teeth provided by the utility model has the following beneficial effects:
The utility model provides a die capable of machining wavy teeth, which is characterized in that a forming male die is used for machining wavy teeth, the machined wavy teeth are sent into a pressing plate to keep the profile of the wavy teeth, rebound is prevented, blanks are machined and positioned, and the die has the advantage of providing machining precision.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of the structure of a mold disclosed in the present utility model;
FIG. 2 is a schematic cross-sectional view of a mold according to the present disclosure;
FIG. 3 is a schematic view of the structure of the molding die disclosed in the present utility model;
FIG. 4 is a schematic view of the structure of the forming punch and platen of the present disclosure;
Fig. 5 is a schematic view of the structure of the blank in process of the present disclosure.
Reference numerals:
The device comprises an upper die plate 1, a lower die plate 2, a forming female die 3, a forming male die 4, a pressing plate 5, a spring screw 61, a limit sleeve 62, a spring 63, a gasket 64, a sleeve plate 65, a guide sleeve 71, a guide post 72 and an elastic locating pin 8.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
A die for pressing profiled teeth as shown in fig. 1-5 comprises a die for pressing teeth for machining the surface of a flat plate into a continuous wave-shaped tooth, in particular a flat plate made of copper. The shape of the wavy teeth is not limited to the wavy shape shown in fig. 2, and the teeth may be in a triangular or rectangular sawtooth shape. The material is not limited to copper, but may be other metals or non-metals.
The die comprises an upper die plate 1, a lower die plate 2, a forming female die 3 fixed on the lower die plate 2, a forming male die 4 fixedly connected to the upper die plate 1 and a pressing plate 5 connected to the upper die plate 1 in sequence according to the feeding direction.
The upper template 1 and the lower template 2 are vertically connected in a sliding way. Specifically, a guide sleeve 71 is fixed on the upper die plate 1, a guide post 72 slidingly matched with the guide sleeve 71 is fixed on the lower die plate 2, and the guide post 72 is inserted into the guide sleeve 71. When the upper die plate 1 is driven by a device for providing pressure to move up and down, the guide posts 72 are inserted into the guide sleeve 71 in different lengths.
The molding die 3 is fixed on the lower die plate 2 through fasteners such as screws, pins and the like. The top surface of the forming die 3 is a molded surface, and the molded surface is matched according to the design requirement of the bottom surface of the wave tooth.
The forming punch 4 is fixed to the upper die plate 1 by a fastener such as a screw or a pin. The bottom surface of the molding male die 4 is a molded surface, and the molded surface is matched according to the design requirement of the top surface of the wave tooth.
The material pressing plate 5 is connected to the upper die plate 1, so that the forming male die 4 and the material pressing plate 5 move up and down synchronously with the upper die plate 1; the positions of the molding male die 4 and the material pressing plate 5 correspond to the molding female die 3, so that the bottom surface of the material pressing plate 5 is a molded surface, the molded surface of the material pressing plate 5 and the molded surface of the molding male die 4 are spliced and then correspond to the molded surface of the molding male die 4, and the top surface and the bottom surface of the flat plate are respectively processed.
The blank is a rectangular flat plate, and the feeding direction of the flat plate feeds along the direction from the forming male die 4 to the pressing plate 5. In the feed direction, the forming punch 4 and the platen 5 are immediately adjacent without a gap therebetween.
When the blank is processed for the first time, the head of the blank is firstly sent between the forming male die 4 and the forming female die 3 for processing the wave teeth. In order to reduce the deformation difficulty of the flat plate during processing and improve the processing precision, in this embodiment, a copper flat plate with a thickness of 1-2mm is taken as an example, and the forming male die 4 and the forming female die 3 are used for processing a wave tooth. For softer materials, the forming punch 4 and the forming die 3 are also used to first machine a plurality of wave teeth.
Then, the head of the blank with the machined teeth is sent between a pressing plate 5 and a forming female die 3 along the feeding direction, and the pressing plate 5 and the forming female die 3 press the machined teeth during die assembly to prevent the teeth from rebounding; on the other hand, the forming female die 3 is provided with a toothed profile below the pressing plate 5, so that the positioning effect on the blank is realized, and the blank is ensured not to move; meanwhile, the feeding distance of each time is ensured to be consistent, and if one tooth is processed by the forming male die 4 and the pressing plate 5, one tooth is put on the forming female die 3; if two teeth are machined on the molding male die 4 and the pressing plate 5, two teeth are put on the molding female die 3. Simultaneously, the forming male die 4 and the forming female die 3 process new teeth on the unprocessed part after the teeth are processed.
The utility model provides a die capable of machining wavy teeth, which is characterized in that a forming male die is used for machining wavy teeth, the machined wavy teeth are sent into a pressing plate to keep the profile of the wavy teeth, rebound is prevented, blanks are machined and positioned, and the die has the advantage of providing machining precision. The two processes of machining teeth and further shaping the teeth are performed by adopting a set of die, and the die has the advantages of improving efficiency and simplifying structure.
Preferably, the upper die plate 1 elastically supports the pressing plate 5 by at least one elastic means connected between the upper die plate 1 and the pressing plate 5. This elastically presses the blank by the pressing plate 5. When the material is not pressed, the bottom surface of the pressing plate 5 may be protruded downward from or equal to the bottom surface of the forming punch 4.
Specifically, the elastic device sequentially comprises a spring screw 61 with a nut, an axially hollow limit sleeve 62 and a spring 63 from inside to outside;
Wherein, the top surface of the upper template 1 is provided with a countersunk through hole for the spring screw 61 to pass through, but the nut is still remained outside the stepped hole formed by the countersunk through hole. One end of the limiting sleeve 62 is fixedly sleeved at the pore below the countersunk through hole, and the other end of the limiting sleeve 62 is downwards close to the top surface of the pressing plate 5. The spring screw 61 freely passes through the limit sleeve 62, that is, the inside of the limit sleeve 62 is not provided with a threaded hole, the spring screw 61 can move up and down relative to the limit sleeve 62, and the spring screw 61 and the upper die plate are prevented from being directly sleeved and damaged. The nut snaps over the top of the stop sleeve 62, i.e., the inner diameter of the stop sleeve 62 is smaller than the outer diameter of the nut. The other end of the spring screw 61 is fixedly connected with the top surface of the pressing plate 5 through threads.
When the pressing plate 5 is not pressed against the blank, the screw cap is influenced by the gravity of the pressing plate 5 to move downwards and is hung at the step hole of the countersunk through hole, so that the pressing plate 5 is prevented from being separated from the lower part of the upper die plate. The spacing sleeve 62 is spaced from the top surface of the platen 5.
When the pressing plate 5 and the forming male die 4 are pressed to the blank, the top surface of the pressing plate 5 is propped against the bottom surface of the limit sleeve 62; the spring is abutted between the top surface of the upper die plate 1 and the bottom surface of the material pressing plate 5, and the spring provides elasticity for the material pressing plate 5; the nut of the spring screw moves upwards relative to the upper template 1, and the nut is positioned above the stepped hole of the countersunk through hole. The spring is preferably fixedly connected with the upper die plate 1 and the pressing plate 5.
The function of the spring screw 61 is to attach the pressure plate 5 to the upper die plate 1. At the same time, the spring screw 61 and the limit sleeve 62 play a guiding role for the pressure plate 5. The limiting sleeve 62 also serves to limit the continued upward movement of the platen during the platen. The spring 63 is abutted between the top surface of the upper die plate 1 and the bottom surface of the pressing plate 5, and is sleeved outside the corresponding position of the limit sleeve 62.
More specifically, the elastic device further comprises a gasket 64 sleeved outside the spring screw 61, and the gasket 64 is clamped between the limit sleeve 62 and the nut when the die is clamped and pressed.
More specifically, the elastic device further comprises a sleeve plate 65 fixedly connected to the bottom surface of the upper die plate 1, the sleeve plate 65 is sleeved outside one end of the spring 63 close to the upper die plate 1, and through holes corresponding to the number of the springs are formed in the sleeve plate. The sleeve plate 65 functions as a protection spring.
Preferably, as shown in fig. 5, the feeding device further comprises two elastic positioning pins 8 arranged along the feeding direction and located outside the edge of the flat plate, wherein the two elastic positioning pins 8 are used for guiding the feeding direction of the flat plate. For positioning the blank when the blank is first machined, and preventing the length direction of the blank from inclining along the feeding direction.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The die for pressing teeth is used for processing a flat plate into continuous wave teeth and is characterized by comprising an upper die plate (1), a lower die plate (2), a forming female die (3) fixed on the lower die plate (2), a forming male die (4) fixedly connected to the upper die plate (1) and a pressing plate (5) connected to the upper die plate (1) in sequence according to a feeding direction;
the upper template (1) is vertically connected with the lower template (2) in a sliding manner;
The positions of the forming male die (4) and the pressing plate (5) which are provided with molded surfaces correspond to the molded surface positions of the forming female die (3);
The forming male die (4) and the pressing plate (5) move up and down synchronously with the upper die plate (1);
The forming male die (4) and the forming female die (3) are used for machining wave teeth;
The pressing plate (5) and the forming female die (3) are used for pressing the wave teeth processed by the forming male die (4).
2. A tooth-pressing die as claimed in claim 1, characterized in that the upper die plate (1) elastically supports the pressing plate (5) by at least one elastic means connected between the upper die plate (1) and the pressing plate (5).
3. A tooth-pressing die as claimed in claim 2, wherein the elastic means comprises a spring screw (61) with a nut, a limit sleeve (62) and a spring (63) in this order from inside to outside, coaxially arranged;
The upper die plate (1) is provided with a countersunk through hole, one end of the limiting sleeve (62) is fixedly sleeved in the countersunk through hole, and the other end of the limiting sleeve (62) extends towards the direction close to the material pressing plate (5);
The spring screw (61) freely penetrates through the limit sleeve (62), the nut is clamped outside the top end of the limit sleeve (62), and the other end of the spring screw (61) is fixedly connected with the pressing plate (5);
The spring (63) is abutted between the upper die plate (1) and the material pressing plate (5) and sleeved outside the limit sleeve (62).
4. A tooth-pressing die as claimed in claim 3, wherein said elastic means further comprises a sleeve plate (65) fixedly connected to the bottom surface of said upper die plate (1), and one end of said spring (63) near said upper die plate (1) is fitted into a through hole of said sleeve plate (65).
5. A tooth-pressing die as claimed in claim 3, characterized in that said elastic means further comprise a spacer (64) which is fitted over said spring screw (61), said spacer (64) being sandwiched between said limit sleeve (62) and said nut.
6. A tooth-pressing die as claimed in claim 1, further comprising two elastic positioning pins (8) arranged in the feeding direction and located outside the edges of the flat plate, the two elastic positioning pins (8) being adapted to guide the feeding direction of the flat plate.
7. A tooth-pressing die according to claim 1, characterized in that the forming punch (4) and the forming die (3) are used for machining a wave tooth.
8. A tooth-pressing die according to claim 1, wherein a guide sleeve (71) is fixed on the upper die plate (1), and a guide post (72) which is in sliding fit with the guide sleeve (71) is fixed on the lower die plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411783.XU CN220920659U (en) | 2023-09-06 | 2023-09-06 | Mould for pressing teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411783.XU CN220920659U (en) | 2023-09-06 | 2023-09-06 | Mould for pressing teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220920659U true CN220920659U (en) | 2024-05-10 |
Family
ID=90961536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322411783.XU Active CN220920659U (en) | 2023-09-06 | 2023-09-06 | Mould for pressing teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220920659U (en) |
-
2023
- 2023-09-06 CN CN202322411783.XU patent/CN220920659U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |