CN219211471U - Milling and expanding forming die - Google Patents
Milling and expanding forming die Download PDFInfo
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- CN219211471U CN219211471U CN202320087703.7U CN202320087703U CN219211471U CN 219211471 U CN219211471 U CN 219211471U CN 202320087703 U CN202320087703 U CN 202320087703U CN 219211471 U CN219211471 U CN 219211471U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to a milling and expanding forming die which comprises a main roller part, a core roller part and a punch part, wherein the main roller part comprises a main roller, a main roller sleeve and a first fixing piece, a first chute is formed in the side surface of the main roller, and the main roller sleeve is sleeved on the main roller along the first chute; the main roller sleeve comprises an outer diameter sizing sleeve and a first special-shaped sleeve, the outer diameter sizing sleeve is a cylindrical barrel, and the first special-shaped sleeve is positioned between the outer diameter sizing sleeves; the core roller part comprises a core roller, a core roller sleeve and a second fixing piece, a second chute is formed in the side face of the core roller, and the core roller sleeve is sleeved on the core roller along the second chute; the core roller sleeve comprises a first inner diameter sizing sleeve, a second inner diameter sizing sleeve and a second special-shaped sleeve, wherein the first inner diameter sizing sleeve is a cylindrical barrel, and the second special-shaped sleeve is positioned between the first inner diameter sizing sleeves; the second inner diameter sizing sleeve is positioned at the lower end of the first inner diameter sizing sleeve. The utility model can realize the rolling and expanding molding of different products through the relative position relation of different components in the main roller sleeve and the core roller sleeve.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a milling and expanding forming die.
Background
The annular forging piece is formed by rolling and expanding, annular blanks are sleeved on the core roller, and rolling of the blanks is achieved through the cooperation of the main roller and the core roller of the ring rolling machine; the process is commonly used for producing the automobile tire forging, but the shape and the size of the automobile tire forging also need to be correspondingly adjusted due to different brands and models of automobiles; however, the rolling products of the existing rolling and expanding forming die are single and cannot meet the production and manufacture of various products, so that the rolling and expanding forming die is needed.
Disclosure of Invention
The utility model provides a rolling and expanding forming die, which aims to solve the problem that the rolling products of the existing rolling and expanding forming die are single.
The utility model provides a milling and expanding forming die, which adopts the following technical scheme:
the milling and expanding forming die comprises a main roller part, a core roller part and a punch part, wherein the main roller part comprises a main roller, a main roller sleeve and a first fixing piece, a first chute is formed in the side face of the main roller, the main roller sleeve is matched with the main roller, and the main roller sleeve is sleeved on the main roller along the first chute; the first fixing piece is matched with the upper end of the main roller, and the first fixing piece is detachably connected with the upper end of the main roller; the main roller sleeve comprises an outer diameter sizing sleeve and a first special-shaped sleeve, the outer diameter sizing sleeve is a cylindrical barrel, and the first special-shaped sleeve is positioned between the outer diameter sizing sleeves; the core roller part comprises a core roller, a core roller sleeve and a second fixing piece, a second sliding groove is formed in the side face of the core roller, the core roller sleeve is matched with the core roller, and the core roller sleeve is sleeved on the core roller along the second sliding groove; the second fixing piece is matched with the upper end of the core roller, and the second fixing piece is detachably connected with the core roller; the core roller sleeve comprises a first inner diameter sizing sleeve, a second inner diameter sizing sleeve and a second special-shaped sleeve, wherein the first inner diameter sizing sleeve is a cylindrical barrel, and the second special-shaped sleeve is positioned between the first inner diameter sizing sleeves; the second inner diameter sizing sleeve is positioned at the lower end of the first inner diameter sizing sleeve; the punch comprises an upper punch and a lower punch, and the diameter of the lower end face of the upper punch is smaller than that of the upper end face of the lower punch.
Through adopting the technical scheme, the main roller sleeve is sleeved on the main roller along the first chute, so that the relative sliding between the main roller sleeve and the main roller is prevented, the rolling effect is guaranteed, the first fixing piece is detachably connected with the upper end of the main roller, the main roller sleeve is fixed on the main roller, the main roller sleeve is prevented from sliding up and down along the main roller, the main roller sleeve comprises a first special-shaped sleeve and a plurality of outer diameter sizing sleeves, the outer side of a blank is favorably rolled into a target shape, and meanwhile, the relative position of the first special-shaped sleeve on the main roller can be adjusted, so that different rolling effects of the outer side of the blank can be realized; the core roller sleeve is sleeved on the core roller along the second chute, the core roller sleeve is placed to slide relatively with the core roller, the second fixing piece is detachably connected with the upper end of the core roller, the core roller sleeve is fixed on the core roller, the core roller sleeve is prevented from sliding up and down along the core roller, the rolling effect of the core roller part on a blank is guaranteed, the core roller sleeve comprises a first inner diameter sizing sleeve, a second inner diameter sizing sleeve and a second special-shaped sleeve, the blank is shaped to be shaped to a target shape, and meanwhile, the relative positions of the first inner diameter sizing sleeve, the second inner diameter sizing sleeve and the second special-shaped sleeve on the core roller can be adjusted, so that different rolling effects of the inner side of the blank can be achieved; the upper punch and the lower punch are matched, so that the blank is made into a circular ring shape, and the subsequent grinding and expanding forming operation is facilitated.
Preferably, the upper end of the main roller is provided with a first thread, and the first fixing piece is a first nut matched with the first thread.
Through adopting above-mentioned technical scheme, first nut with the home roll cooperation realizes with the home roll cover is fixed on the home roll, be favorable to guaranteeing the rolling effect to the stock, be favorable to improving the practicality of this device.
Preferably, the upper end of the core roller is provided with a second thread, and the second fixing piece is a second nut matched with the second thread.
Through adopting above-mentioned technical scheme, the second nut with the core roller cooperation realizes with the core roller cover is fixed on the core roller, be favorable to guaranteeing the rolling effect to the stock, be favorable to improving the practicality of this device.
Preferably, the first special-shaped sleeve comprises a first connecting block and a first cushion block, and two ends of the first cushion block are respectively connected with the outer diameter sizing sleeve through the first connecting block; the first cushion block is cylindrical, and the cross section diameter of the first cushion block is larger than that of the outer diameter sizing sleeve.
Through adopting above-mentioned technical scheme, realize rolling the stock outside and be the target shape, conveniently realize to the stock outside fluting, simultaneously because first dysmorphism cover with the equal cover of external diameter sizing sleeve is established on the main roll, through the adjustment first dysmorphism cover is in relative position on the main roll can realize fluting in the different positions in the stock outside, then realize the production preparation to different model automobile tire forgings.
Preferably, the first connecting block comprises a first cylindrical part, a first round table part and a second cylindrical part, the diameter of the cross section of the first cylindrical part is equal to the diameter of the smaller end surface of the first round table part and the diameter of the cross section of the outer diameter sizing sleeve, and the diameter of the cross section of the second cylindrical part is equal to the diameter of the larger end surface of the first round table part and the diameter of the cross section of the first cushion block; the first cylindrical piece, the first round platform piece and the second cylindrical piece are sequentially and fixedly connected.
Through adopting above-mentioned technical scheme, the one end of first round platform spare is through first cylinder spare and external diameter sizing sleeve butt, the other end of first round platform spare is through second cylinder spare and first cushion butt, first cylinder spare with the setting of second cylinder spare, guaranteed first connecting block with external diameter sizing sleeve and first connecting block with first cushion is smooth continuous, avoids the connecting seam to produce the influence to rolling.
Preferably, the second special-shaped sleeve comprises a second connecting block and a second cushion block, and two ends of the second cushion block are respectively connected with the first inner diameter sizing sleeve through the second connecting block; the second cushion block is a cylindrical barrel, and the cross section diameter of the second cushion block is larger than that of the first inner diameter sizing sleeve.
Through adopting above-mentioned technical scheme, realize rolling the stock into the target shape, conveniently realize to the inboard fluting of stock is used for simultaneously the second dysmorphism cover with the equal cover of first internal diameter sizing sleeve is established on the core roller, through the adjustment the second dysmorphism cover is in relative position on the core roller can realize fluting in the inboard different positions of stock, realizes the production preparation to different model automobile tire forgings then.
Preferably, the second connecting block comprises a third cylindrical part, a second round table part and a fourth round table part, the diameter of the cross section of the third cylindrical part is equal to the diameter of the smaller end surface of the second round table part and the diameter of the cross section of the first inner diameter shaping sleeve, and the diameter of the cross section of the fourth cylindrical part is equal to the diameter of the larger end surface of the second round table part and the diameter of the cross section of the second cushion block; the third cylindrical piece, the second round table piece and the fourth cylindrical piece are sequentially and fixedly connected.
Through adopting above-mentioned technical scheme, the one end of second round platform spare passes through third cylinder spare and internal diameter sizing sleeve butt, the other end of second round platform spare passes through fourth cylinder spare and second cushion butt, third cylinder spare with the setting of fourth cylinder spare, guaranteed the second connecting block with first internal diameter sizing sleeve and the second connecting block with the second cushion is smooth continuous, avoids the joint seam to produce the influence to the stock.
Preferably, the second inner diameter sizing sleeve comprises a taper sleeve and a height adjusting sleeve, the height adjusting sleeve is a cylindrical barrel, and the diameter of the cross section of the height adjusting sleeve is larger than that of the first inner diameter sizing sleeve; the diameter of the upper end face of the taper sleeve is equal to the diameter of the cross section of the first inner diameter shaping sleeve, and the diameter of the lower end face of the taper sleeve is equal to the diameter of the cross section of the height adjusting sleeve.
By adopting the technical scheme, the rolling of the blank into the target shape can be ensured by arranging the taper sleeve.
Preferably, the upper punch comprises a first cylindrical part and a round platform part, the diameter of the larger end face of the round platform part is equal to the diameter of the cross section of the first cylindrical part, and the lower end face of the first cylindrical part is fixedly connected with the larger end face of the round platform part.
By adopting the technical scheme, the blank is conveniently manufactured into the ring shape, and the subsequent rolling of the blank is convenient.
Preferably, the lower punch comprises a second cylindrical portion and a third truncated cone portion, wherein the cross-sectional diameter of the second cylindrical portion is larger than that of the third cylindrical portion, and the cross-sectional diameter of the second cylindrical portion is larger than that of the smaller end face of the truncated cone portion; the second cylindrical part is coaxial with the third cylindrical part, and the lower end surface of the second cylindrical part is fixedly connected with the upper end surface of the third cylindrical part.
By adopting the technical scheme, the upper punch is matched, so that the blank is conveniently made into a ring shape, and the subsequent rolling of the blank is convenient.
In summary, the utility model has the following beneficial technical effects:
1. the outer sides of the blanks can be rolled into different shapes by adjusting the relative positions of the first special-shaped sleeves on the main roller, so that the production and the manufacture of products with different shapes are facilitated, and the practicability of the utility model is improved;
2. the inner side of the blank can be rolled into different shapes by adjusting the relative position of the second special-shaped sleeve on the core roller, so that the production and the manufacture of products with different shapes are facilitated, and the practicability of the utility model is improved;
3. the main roller sleeve is tightly pressed on the main roller through the cooperation of the first nut and the main roller, and the core roller sleeve is tightly pressed on the core roller through the cooperation of the second nut and the core roller, so that the main roller sleeve and the core roller sleeve are conveniently adjusted.
Drawings
FIG. 1 is a schematic diagram of a connection structure between a main roller sleeve and a main roller in the present embodiment;
FIG. 2 is a schematic side sectional view of the main roll cover of the present embodiment;
FIG. 3 is a schematic view showing the connection structure between the first inner diameter sizing sleeve and the second special-shaped sleeve and the core roller in the present embodiment;
FIG. 4 is a schematic side sectional view of the first inner diameter sizing sleeve and the second profile sleeve of the present embodiment;
FIG. 5 is a schematic diagram showing a connection structure of the second inner diameter sizing sleeve and the core roller according to the present embodiment;
FIG. 6 is a schematic side sectional view of the second inner diameter sizing sleeve of the present embodiment;
FIG. 7 is a cross-sectional view of the upper punch of the present embodiment;
fig. 8 is a cross-sectional view of the lower punch of the present embodiment.
Reference numerals illustrate: 1. a main roller; 2. an outer diameter sizing sleeve; 3. a first connection block; 4. a first pad; 5. a core roller; 6. a first inner diameter sizing sleeve; 7. a taper sleeve; 8. a height adjusting sleeve; 9. a second connection block; 10. a second cushion block; 11. an upper punch; 12. and a lower punch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is described in further detail below with reference to fig. 1-8.
1-8, referring to fig. 1-8, the milling and expanding forming die comprises a main roller part, a core roller part and a punch part, wherein the main roller part comprises a main roller 1, a main roller sleeve and a first fixing piece, a first chute is formed in the side surface of the main roller 1, the main roller sleeve is matched with the main roller 1, the main roller sleeve is sleeved on the main roller 1 along the first chute, the rotation speed of the main roller sleeve is ensured to be the same as the rotation speed of the main roller 1, the main roller sleeve is prevented from moving relative to the main roller 1 in the circumferential direction, and the rolling efficiency is prevented from being influenced; the first fixing piece is matched with the upper end of the main roller 1, the first fixing piece is detachably connected with the upper end of the main roller 1, and is matched with the main roller 1 through the first fixing piece, so that the main roller sleeve is tightly pressed on the main roller 1, the main roller sleeve is prevented from sliding up and down along the main roller 1, and the rolling efficiency is prevented from being influenced; the main roller sleeve comprises an outer diameter sizing sleeve 2 and a first special-shaped sleeve, the outer diameter sizing sleeve 2 is a cylindrical barrel, the first special-shaped sleeve is positioned between the outer diameter sizing sleeves 2, the outer side of a blank is rolled into a target product, and meanwhile, the outer side of the blank is rolled into different shapes by adjusting the relative position of the first special-shaped sleeve on the main roller 1; the core roller part comprises a core roller 5, a core roller sleeve and a second fixing piece, a second chute is formed in the side face of the core roller 5, the core roller sleeve is matched with the core roller 5, the core roller sleeve is sleeved on the core roller 5 along the second chute, the core roller sleeve and the core roller 5 are prevented from axially and relatively moving, and the rolling efficiency is prevented from being influenced; the second fixing piece is matched with the upper end of the core roller 5, the second fixing piece is detachably connected with the core roller 5, the second fixing piece tightly presses the core roller sleeve on the core roller 5, the core roller sleeve is prevented from sliding up and down on the core roller 5, and the rolling efficiency is prevented from being influenced; the core roller sleeve comprises a first inner diameter sizing sleeve 6, a second inner diameter sizing sleeve and a second special-shaped sleeve, the first inner diameter sizing sleeve 6 is a cylindrical barrel, the second special-shaped sleeve is positioned between the first inner diameter sizing sleeves 6, the second special-shaped sleeve rolls the inner side of a blank into a target shape, and meanwhile, the inner side of the blank is rolled into different shapes by adjusting the relative position of the second special-shaped sleeve on the core roller 5; the second inner diameter sizing sleeve is positioned at the lower end of the first inner diameter sizing sleeve 6, and rolls and expands the lower end of the inner side of the blank into a target shape; the punch comprises an upper punch 11 and a lower punch 12, and the diameter of the lower end face of the upper punch 11 is smaller than that of the upper end face of the lower punch 12, so that the blank can be conveniently manufactured into an annular blank.
The first screw thread has been seted up to the main roll 1 upper end, first mounting for with first screw thread looks adaptation first nut, conveniently right the main roll cover is dismantled and is changed, is favorable to realizing rolling and expanding the different appearance's in shaping embryo material outside product.
The second screw thread has been seted up to core roller 5 upper end, the second mounting for with second screw thread looks adaptation's second nut, conveniently right the core roller shell is dismantled and is changed, is favorable to realizing rolling and expanding the product of the inboard different appearances of shaping embryo material.
The first special-shaped sleeve comprises a first connecting block 3 and a first cushion block 4, and two ends of the first cushion block 4 are respectively connected with the outer diameter sizing sleeve 2 through the first connecting block 3; the first cushion block 4 is cylindrical, the diameter of the cross section of the first cushion block 4 is larger than that of the cross section of the outer diameter sizing sleeve 2, and grooves are formed in the outer side of the blank in a rolling mode, so that rolling and expanding formed products meet requirements, and rolling and expanding formed manufacturing of automobile tire forgings with different shapes is achieved.
The first connecting block 3 comprises a first cylindrical piece, a first round table piece and a second cylindrical piece, the diameter of the cross section of the first cylindrical piece is equal to the diameter of the smaller end face of the first round table piece and the diameter of the cross section of the outer diameter sizing sleeve 2, and the diameter of the cross section of the second cylindrical piece is equal to the diameter of the larger end face of the first round table piece and the diameter of the cross section of the first cushion block 4; the first cylindrical part, the first round platform part and the second cylindrical part are sequentially and fixedly connected, so that the outer side of the main roller sleeve is smooth, and the rolling effect on the outer side of a blank is guaranteed.
The second special-shaped sleeve comprises a second connecting block 9 and a second cushion block 10, two ends of the second cushion block 10 are respectively connected with the first inner diameter sizing sleeve 6 through the second connecting block 9, the diameter of the cross section of the second cushion block 10 is larger than that of the cross section of the first inner diameter sizing sleeve 6, rolling grooves on the inner side of a blank are achieved, and meanwhile production and manufacturing of different automobile tire forgings can be achieved through adjusting the relative positions of the second special-shaped sleeve on the core roller 5.
The second connecting block comprises a third cylindrical piece, a second round table piece and a fourth round table piece, the diameter of the cross section of the third cylindrical piece is equal to the diameter of the smaller end face of the second round table piece and the diameter of the cross section of the first inner diameter sizing sleeve 6, and the diameter of the cross section of the fourth cylindrical piece is equal to the diameter of the larger end face of the second round table piece and the diameter of the cross section of the second cushion block 10; the third cylindrical part, the second round table part and the fourth cylindrical part are sequentially and fixedly connected, smooth connection between the second connecting block 9 and the first inner diameter sizing sleeve 6 and smooth connection between the second connecting block 9 and the second cushion block 10 are guaranteed, and rolling quality is guaranteed.
The second inner diameter sizing sleeve comprises a taper sleeve 7 and a height adjusting sleeve 8, the height adjusting sleeve 8 is a cylindrical barrel, the diameter of the cross section of the height adjusting sleeve 8 is larger than that of the first inner diameter sizing sleeve 6, the shape of the lower end of the inner side of a blank is guaranteed to be the same as that of a target product, and the rolling effect is guaranteed; the diameter of the upper end face of the taper sleeve 7 is equal to the diameter of the cross section of the first inner diameter sizing sleeve 6, and the diameter of the lower end face of the taper sleeve 7 is equal to the diameter of the cross section of the height adjusting sleeve.
The upper punch 11 comprises a first cylindrical portion and a round platform portion, the diameter of the larger end face of the round platform portion is equal to that of the cross section of the first cylindrical portion, the lower end face of the first cylindrical portion is fixedly connected with the larger end face of the round platform portion, blanks are conveniently made into a circular ring, and follow-up rolling is convenient.
The lower punch 12 includes a second cylindrical portion having a cross-sectional diameter greater than the third cylindrical portion and a third frustoconical portion having a cross-sectional diameter greater than the diameter of the smaller end face of the frustoconical portion; the second cylindrical part is coaxial with the third cylindrical part, the lower end surface of the second cylindrical part is fixedly connected with the upper end surface of the third cylindrical part, and the upper punch 11 is matched with the lower punch 12 to manufacture the blank into a circular ring.
The implementation principle of the embodiment is as follows: the upper punch is matched with the lower punch to manufacture the blank into a circular ring shape, so that the subsequent grinding and expanding molding is facilitated; according to the shape of a target automobile tire forging piece, the relative positions of the outer diameter sizing sleeve and the first special-shaped sleeve in the main roller sleeve on the main roller are adjusted, so that the outer side shape of the main roller sleeve is matched with the outer side shape of the automobile tire forging piece; the relative positions of the first inner diameter sizing sleeve, the second inner diameter sizing sleeve and the second special-shaped sleeve in the core roller sleeve on the core roller are adjusted, so that the outer side shape of the core roller sleeve is matched with the inner side shape of the automobile tire forging; the annular blank is sleeved outside the core roller sleeve, and the core roller sleeve is matched with the main roller sleeve to realize the rolling and expanding molding of the annular blank.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a grind and expand forming die which characterized in that: the novel roller comprises a main roller part, a core roller part and a punch part, wherein the main roller part comprises a main roller (1), a main roller sleeve and a first fixing piece, a first sliding groove is formed in the side face of the main roller (1), the main roller sleeve is matched with the main roller (1), and the main roller sleeve is sleeved on the main roller (1) along the first sliding groove; the first fixing piece is matched with the upper end of the main roller (1), and the first fixing piece is detachably connected with the main roller (1); the main roller sleeve comprises an outer diameter sizing sleeve (2) and a first special-shaped sleeve, the outer diameter sizing sleeve (2) is a cylindrical barrel, and the first special-shaped sleeve is positioned between the outer diameter sizing sleeves (2); the core roller part comprises a core roller (5), a core roller sleeve and a second fixing piece, a second sliding groove is formed in the side face of the core roller (5), the core roller sleeve is matched with the core roller (5), and the core roller sleeve is sleeved on the core roller (5) along the second sliding groove; the second fixing piece is matched with the upper end of the core roller (5), and the second fixing piece is detachably connected with the core roller (5); the core roller sleeve comprises a first inner diameter sizing sleeve (6), a second inner diameter sizing sleeve and a second special-shaped sleeve, wherein the first inner diameter sizing sleeve (6) is a cylindrical barrel, and the second special-shaped sleeve is positioned between the first inner diameter sizing sleeves (6); the second inner diameter sizing sleeve is positioned at the lower end of the first inner diameter sizing sleeve (6); the punch head comprises an upper punch head (11) and a lower punch head (12), and the diameter of the lower end face of the upper punch head (11) is smaller than that of the upper end face of the lower punch head (12).
2. The roll-expanding die set according to claim 1, wherein: the upper end of the main roller (1) is provided with a first thread, and the first fixing piece is a first nut matched with the first thread.
3. The roll-expanding die set according to claim 1, wherein: the upper end of the core roller (5) is provided with a second thread, and the second fixing piece is a second nut matched with the second thread.
4. The roll-expanding die set according to claim 1, wherein: the first special-shaped sleeve comprises a first connecting block (3) and a first cushion block (4), and two ends of the first cushion block (4) are connected with the outer diameter sizing sleeve (2) through the first connecting block (3) respectively; the first cushion block (4) is a cylindrical barrel, and the cross section diameter of the first cushion block (4) is larger than that of the outer diameter sizing sleeve (2).
5. The roll-expanding die set according to claim 4, wherein: the first connecting block (3) comprises a first cylindrical part, a first round table part and a second cylindrical part which are sequentially and fixedly connected, the diameter of the cross section of the first cylindrical part is equal to the diameter of the smaller end face of the first round table part and the diameter of the cross section of the outer diameter sizing sleeve (2), and the diameter of the cross section of the second cylindrical part is equal to the diameter of the larger end face of the first round table part and the diameter of the cross section of the first cushion block (4).
6. The roll-expanding die set according to claim 1, wherein: the second special-shaped sleeve comprises a second connecting block (9) and a second cushion block (10), and two ends of the second cushion block (10) are respectively connected with the first inner diameter sizing sleeve (6) through the second connecting block (9); the second cushion block (10) is cylindrical, and the cross section diameter of the second cushion block (10) is larger than that of the first inner diameter sizing sleeve (6).
7. The roll-expanding die of claim 6, wherein: the second connecting block (9) comprises a third cylindrical part, a second round table part and a fourth cylindrical part which are sequentially and fixedly connected, the diameter of the cross section of the third cylindrical part is equal to the diameter of the smaller end face of the second round table part and the diameter of the cross section of the first inner diameter sizing sleeve (6), and the diameter of the cross section of the fourth cylindrical part is equal to the diameter of the larger end face of the second round table part and the diameter of the cross section of the second cushion block (10).
8. The roll-expanding die set according to claim 1, wherein: the second inner diameter sizing sleeve comprises a taper sleeve (7) and a height adjusting sleeve (8), the height adjusting sleeve (8) is a cylindrical barrel, and the diameter of the cross section of the height adjusting sleeve (8) is larger than that of the first inner diameter sizing sleeve (6); the diameter of the upper end face of the taper sleeve (7) is equal to the diameter of the cross section of the first inner diameter sizing sleeve (6), and the diameter of the lower end face of the taper sleeve (7) is equal to the diameter of the cross section of the height adjusting sleeve (8).
9. The roll-expanding die set according to claim 1, wherein: the upper punch (11) comprises a first cylindrical portion and a round platform portion, the diameter of the larger end face of the round platform portion is equal to the diameter of the cross section of the first cylindrical portion, and the lower end face of the first cylindrical portion is fixedly connected with the larger end face of the round platform portion.
10. The roll-expanding die of claim 9, wherein: the lower punch (12) comprises a second cylindrical portion and a third cylindrical portion, wherein the cross-sectional diameter of the second cylindrical portion is larger than that of the third cylindrical portion, and the cross-sectional diameter of the second cylindrical portion is larger than that of the smaller end face of the round table portion; the second cylindrical part is coaxial with the third cylindrical part, and the lower end surface of the second cylindrical part is fixedly connected with the upper end surface of the third cylindrical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320087703.7U CN219211471U (en) | 2023-01-30 | 2023-01-30 | Milling and expanding forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320087703.7U CN219211471U (en) | 2023-01-30 | 2023-01-30 | Milling and expanding forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219211471U true CN219211471U (en) | 2023-06-20 |
Family
ID=86746948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320087703.7U Active CN219211471U (en) | 2023-01-30 | 2023-01-30 | Milling and expanding forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219211471U (en) |
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2023
- 2023-01-30 CN CN202320087703.7U patent/CN219211471U/en active Active
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