CN216473279U - High-efficiency leather punching device - Google Patents
High-efficiency leather punching device Download PDFInfo
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- CN216473279U CN216473279U CN202123086806.1U CN202123086806U CN216473279U CN 216473279 U CN216473279 U CN 216473279U CN 202123086806 U CN202123086806 U CN 202123086806U CN 216473279 U CN216473279 U CN 216473279U
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- needle
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- lower needle
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Abstract
The utility model discloses a high-effect leather punching device, wherein the middle part of the upper surface of a lower needle plate fixing plate is provided with a lower needle plate set sink groove; the lower needle plate group comprises a plurality of lower needle plates, needle holes are formed in the middle of the lower needle plates, and the lower needle plates are embedded in the lower needle plate group sinking grooves and fixed; the middle part of the lower surface of the guide plate fixing plate is provided with a guide plate group sinking groove; the guide plate group comprises a plurality of guide plates, the middle parts of the guide plates are provided with pinholes, and the guide plate group is embedded in the guide plate group sink groove and fixed; the lower needle plate fixing plate, the spacing block and the guide plate fixing plate are fastened through screws. The utility model discloses can once only perforate by a large scale, improve production efficiency. Can make the perforating needle punch accurately, guarantee product quality. The punching needle can be detached after being worn and polished again for reuse, so that the cost is saved. With a solid cylindrical perforating needle, the hole shape remains one size at all times even if wear occurs.
Description
Technical Field
The utility model relates to a leather goods production, processing technology field especially relate to a high-effect perforating device of leather.
Background
The leather perforating machine only has a conical hollow needle with a wide upper part and a narrow lower part, and the leather perforating machine can vertically run in a vibration mode to perforate leather. The punching efficiency is low because only one needle runs and one hole is punched. After the conical needle is slightly worn, the size of the punched hole diameter is increased, defects are generated, and the production cost is increased. The tapered hollow needle with the wide upper part and the narrow lower part needs to be stopped for replacing a new needle as long as abrasion occurs, the needle cannot be used after being polished, and the needle loss cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model solves the above problems, and provides a high-effect perforating device for leather.
In order to solve the technical problem, the technical scheme of the utility model is that: the leather high-efficiency punching device comprises a lower needle plate fixing plate, wherein guide pillars are vertically arranged at four corners of the upper surface of the lower needle plate fixing plate, a lower needle plate set sinking groove is formed in the middle of the upper surface of the lower needle plate fixing plate, and a through groove is formed in the middle of the lower needle plate set sinking groove; the lower needle plate group comprises a plurality of lower needle plates, needle holes are formed in the middle of the lower needle plates, and the lower needle plates are embedded in the lower needle plate group sinking grooves and fixed; the middle part of the lower surface of the guide plate fixing plate is provided with a guide plate group sinking groove, and the middle part of the guide plate group sinking groove is provided with a through groove; the guide plate group comprises a plurality of guide plates, the middle parts of the guide plates are provided with pinholes, and the guide plate group is embedded in the guide plate group sink groove and fixed; both sides of the upper surface of the lower needle plate fixing plate are provided with spacing blocks, two spacing blocks are provided with guide plate fixing plates, and the lower needle plate fixing plate, the spacing blocks and the guide plate fixing plates are fastened through screws; a needle hole is formed in the middle of the upper surface of the upper needle plate, and a needle penetrates through the upper needle plate from top to bottom and is sunk in the needle hole of the upper needle plate; the middle part of the upper surface of the upper needle cover plate is provided with a bulge, four corners of the upper needle cover plate are provided with guide post holes, and the lower surface of the upper needle cover plate is fixedly attached with an upper needle plate; the upper needle cover plate is positioned above the guide plate fixing plate and is connected with the guide post in a vertical sliding manner.
Furthermore, both sides of the lower needle plate group sink groove and the lower needle plate are provided with screw holes and pin holes, and the two ends of the positioning pin are respectively in interference fit with the pin holes of the lower needle plate group sink groove and the pin holes of the lower needle plate to enable the lower needle plate group to be embedded in the lower needle plate group sink groove and fastened through screws.
Furthermore, both sides of the guide plate group sink groove and the guide plate are provided with screw holes and pin holes, and the two ends of the positioning pin are respectively in interference fit with the pin holes of the guide plate group sink groove and the pin holes of the guide plate to enable the guide plate group to be embedded in the guide plate group sink groove and fastened through screws.
Further, screw holes are formed in two sides of the upper needle plate, screw holes are formed in two sides of the protrusion of the upper needle cover plate, and the upper needle plate is fastened to the lower surface of the upper needle cover plate through screw fitting.
Furthermore, the pinholes are distributed in two rows in a staggered manner.
Furthermore, the needle is in clearance fit with the needle hole of the guide plate group, and the needle is in transition fit with the needle hole of the lower needle plate group.
Further, the needle is solid and cylindrical.
The utility model discloses can once only perforate by a large scale, improve production efficiency. The guide plate group and the lower needle plate group are both designed to be the combination of a plurality of small-size plates, and the small size can enable the punching to be more accurate, so that the punching needle can accurately punch holes, and the product quality is ensured; in order to enable the lower needle plate to reach a certain strength, the lower needle plate needs to be subjected to quenching and tempering treatment, if the part is too long, the part may be deformed in the quenching and tempering treatment process, and therefore the product quality is affected; one of the lower needle plate group or the guide plate group is damaged, and can be replaced and maintained independently without replacing the whole plate, so that the cost is saved; the punching needle can be detached after being worn and polished again for reuse, so that the cost is saved; with a solid cylindrical perforating needle, the hole shape remains one size at all times even if wear occurs.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic diagram of the structure of the lower needle plate fixing plate;
FIG. 5 is a schematic top view of the lower needle plate retaining plate;
FIG. 6 is a schematic view of the structure of the lower needle plate set and the guide plate set;
FIG. 7 is an enlarged partial view of FIG. 6;
FIG. 8 is a schematic diagram of a guide plate fixing plate structure;
FIG. 9 is a schematic view of the upper surface of the guide plate fixing plate;
FIG. 10 is a schematic view of the lower surface of the guide plate fixing plate;
FIG. 11 is a schematic view of an upper needle plate configuration;
fig. 12 is a partially enlarged view of fig. 11.
Wherein: 1. a guide post hole; 2. an upper needle cover plate; 3. a needle; 4. an upper needle plate; 5. a guide plate fixing plate; 6. a guide post; 7. a guide plate group; 8. a needle plate group is arranged; 9. a spacer block; 10. a lower needle plate fixing plate; 11. and a positioning pin.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings 1-12.
The leather high-efficiency punching device comprises a lower needle plate fixing plate 10, wherein guide pillars 6 are vertically arranged at four corners of the upper surface of the lower needle plate fixing plate 10, a lower needle plate group sinking groove is formed in the middle of the upper surface of the lower needle plate fixing plate 10, and a through groove is formed in the middle of the lower needle plate group sinking groove; the lower needle plate group 8 comprises a plurality of lower needle plates, needle holes are formed in the middle of the lower needle plates, screw holes and pin holes are formed in the two sides of the lower needle plate group sinking groove and the lower needle plates, and the two ends of the positioning pin 11 are in interference fit with the pin holes of the lower needle plate group sinking groove and the pin holes of the lower needle plates respectively to enable the lower needle plate group 8 to be embedded in the lower needle plate group sinking groove and fastened through screws; the middle part of the lower surface of the guide plate fixing plate 5 is provided with a guide plate group sinking groove, and the middle part of the guide plate group sinking groove is provided with a through groove; the guide plate group 7 comprises a plurality of guide plates, pin holes are formed in the middle of the guide plates, screw holes and pin holes are formed in the guide plate group sink groove and the two sides of each guide plate, and the two ends of the positioning pin 11 are in interference fit with the pin holes of the guide plate group sink groove and the pin holes of the guide plates respectively to enable the guide plate group 7 to be embedded in the guide plate group sink groove and fastened through screws; the two sides of the upper surface of the lower needle plate fixing plate 10 are respectively provided with a spacing block 9, the two spacing blocks 9 are provided with a guide plate fixing plate 5, the lower needle plate fixing plate 10, the spacing blocks 9 and the guide plate fixing plate 5 are fastened through screws, a gap with the same height as the spacing blocks 9 is formed between the lower needle plate fixing plate 10 and the guide plate fixing plate 5, and a leather sheet moves in the gap during punching operation; a needle hole is formed in the middle of the upper surface of the upper needle plate 4, and the needle 3 penetrates through the upper needle plate 4 from top to bottom and is sunk in the needle hole of the upper needle plate 4; the needle 3 is in clearance fit with the needle hole of the guide plate group 7, and the needle 3 is in transition fit with the needle hole of the lower needle plate group 8; a bulge is arranged in the middle of the upper surface of the upper needle cover plate 2, the bulge is embedded into a punching equipment clamp, guide post holes 1 are formed in the four corners of the upper needle cover plate 2, screw holes are formed in the two sides of the upper needle plate 4, screw holes are formed in the two sides of the bulge of the upper needle cover plate 2, and an upper needle plate 4 is fixedly attached to the lower surface of the upper needle cover plate 2 through screws; the upper needle cover plate 2 is positioned above the guide plate fixing plate 5 and is connected with the guide post 6 in a vertical sliding manner. The pinholes may be arranged according to a product process rule, for example, the pinholes are all arranged in two rows and are distributed in a staggered manner. With the solid cylindrical needle 3, the hole shape is always maintained in one size even if abrasion occurs.
During punching operation, the needle 3 passes through the leather sheet through the guide plate group 7, the needle point finally impacts the needle hole of the lower needle plate group 8, and the leather sheet forms a through hole. If the fixing is performed only by screws, there is a small gap between the screws and the screw holes, which may cause the guide plate group 7 and the lower needle plate group 8 to be misaligned, and eventually the needles 3 may be bent and deformed, resulting in poor drilling. The device is matched with the positioning pin 11, so that the risk is eliminated, and the operation precision is improved. By using the guide plate group 7 and the guide post 6, the needle 3 can accurately penetrate through the guide plate group 7 when the device moves up and down, and the stability of the hole shape of the leather sheet is ensured.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, all should be covered within the protection scope of the present invention.
Claims (7)
1. The leather high-efficiency punching device is characterized by comprising a lower needle plate fixing plate (10), wherein guide pillars (6) are vertically arranged at four corners of the upper surface of the lower needle plate fixing plate (10), a lower needle plate set sinking groove is formed in the middle of the upper surface of the lower needle plate fixing plate (10), and a through groove is formed in the middle of the lower needle plate set sinking groove; the lower needle plate group (8) comprises a plurality of lower needle plates, needle holes are formed in the middle of the lower needle plates, and the lower needle plate group (8) is embedded in the lower needle plate group sink groove and fixed; the middle part of the lower surface of the guide plate fixing plate (5) is provided with a guide plate group sinking groove, and the middle part of the guide plate group sinking groove is provided with a through groove; the guide plate group (7) comprises a plurality of guide plates, the middle parts of the guide plates are provided with pinholes, and the guide plate group (7) is embedded in the guide plate group sink groove and fixed; both sides of the upper surface of the lower needle plate fixing plate (10) are provided with spacing blocks (9), two spacing blocks (9) are provided with guide plate fixing plates (5), and the lower needle plate fixing plate (10), the spacing blocks (9) and the guide plate fixing plates (5) are fastened through screws; a needle hole is formed in the middle of the upper surface of the upper needle plate (4), and the needle (3) penetrates through the upper needle plate (4) from top to bottom and is sunk in the needle hole of the upper needle plate (4); a bulge is arranged in the middle of the upper surface of the upper needle cover plate (2), guide pillar holes (1) are formed in the four corners of the upper needle cover plate (2), and an upper needle plate (4) is tightly attached to the lower surface of the upper needle cover plate (2); the upper needle cover plate (2) is positioned above the guide plate fixing plate (5) and is connected with the guide post (6) in a vertical sliding manner.
2. The high-efficiency leather punching device as claimed in claim 1, wherein both sides of the lower needle plate set sink groove and the lower needle plate are provided with screw holes and pin holes, and both ends of the positioning pin (11) are respectively in interference fit with the pin holes of the lower needle plate set sink groove and the pin holes of the lower needle plate, so that the lower needle plate set (8) is embedded in the lower needle plate set sink groove and fastened through screws.
3. The high-efficiency leather punching device as claimed in claim 1, wherein both sides of the guide plate set sink groove and the guide plate are provided with screw holes and pin holes, and both ends of the positioning pin (11) are respectively in interference fit with the pin holes of the guide plate set sink groove and the pin holes of the guide plate to enable the guide plate set (7) to be embedded in the guide plate set sink groove and fastened through screws.
4. The high-efficiency perforating device for leather as claimed in claim 1, wherein screw holes are formed on both sides of the upper needle plate (4), screw holes are formed on both sides of the protrusion of the upper needle cover plate (2), and the upper needle plate (4) is fastened to the lower surface of the upper needle cover plate (2) through screw attachment.
5. The high efficiency perforating device for leather as claimed in claim 1, wherein the pinholes are arranged in two rows and staggered.
6. The high-efficiency perforating device for leather as claimed in claim 1, characterized in that the needles (3) are in clearance fit with the needle holes of the guide plate group (7), and the needles (3) are in transition fit with the needle holes of the lower needle plate group (8).
7. The high efficiency perforating device for leather as claimed in claim 1, wherein the needle (3) is solid cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123086806.1U CN216473279U (en) | 2021-12-09 | 2021-12-09 | High-efficiency leather punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123086806.1U CN216473279U (en) | 2021-12-09 | 2021-12-09 | High-efficiency leather punching device |
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| Publication Number | Publication Date |
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| CN216473279U true CN216473279U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202123086806.1U Active CN216473279U (en) | 2021-12-09 | 2021-12-09 | High-efficiency leather punching device |
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| CN (1) | CN216473279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821599A (en) * | 2022-11-17 | 2023-03-21 | 浙江锦尚合成革有限公司 | High-strength synthetic leather and manufacturing method thereof |
-
2021
- 2021-12-09 CN CN202123086806.1U patent/CN216473279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821599A (en) * | 2022-11-17 | 2023-03-21 | 浙江锦尚合成革有限公司 | High-strength synthetic leather and manufacturing method thereof |
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