CN219357578U - Hollow guide rail punching and cutting device - Google Patents
Hollow guide rail punching and cutting device Download PDFInfo
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- CN219357578U CN219357578U CN202223396317.0U CN202223396317U CN219357578U CN 219357578 U CN219357578 U CN 219357578U CN 202223396317 U CN202223396317 U CN 202223396317U CN 219357578 U CN219357578 U CN 219357578U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a hollow guide rail punching and cutting device, which comprises: the die carrier is provided with a lower die, a longitudinal guide groove is arranged on the upper surface of the lower die, pushing vertical holes are respectively arranged on two sides of the longitudinal guide groove, a stepped caulking groove is arranged on the upper surface of the lower die between each pushing vertical hole and the longitudinal guide groove, a cutting support insert connected to the lower die through an elastic connection structure is movably embedded in each stepped caulking groove, a pair of punching caulking grooves are respectively arranged on the front side and the rear side of each stepped caulking groove, a punching support insert is embedded in each punching caulking groove, a punching oil cylinder is vertically arranged on the die carrier above the lower die, an upper die is arranged on a piston rod of the punching oil cylinder, a pushing post is respectively arranged on two sides of the upper die, a cutter and a punch are arranged on the lower surface of the upper die between the two pushing posts, and a pressing plate hung on the upper die through an elastic pressing assembly is arranged between the lower die and the upper die. The utility model has the advantage of convenient operation and use.
Description
Technical Field
The utility model relates to the technical field of elevator guide rail processing equipment, in particular to a hollow guide rail punching and cutting device.
Background
The structure of the hollow elevator guide rail is shown in fig. 1, and comprises: the guide rail body with the cross section in the shape of a U consists of a U-shaped guide arm and fixing arms which are respectively bent upwards from two ends of the U-shaped guide arm. At present, the punching and cutting mode for the hollow guide rail is as follows: firstly cut off hollow guide rail through saw cutting machine, then punch a hole to hollow guide rail through the punch press, not only operation process is loaded down with trivial details, and the operation is used inconveniently, because hollow guide rail's bulk strength is relatively poor moreover, hollow guide rail is cut off the back, and the outside deflection of hollow guide rail incision department easily exceeds the tolerance, influences hollow guide rail product quality.
Disclosure of Invention
The utility model aims to provide a hollow guide rail punching and cutting device which is convenient to operate and use and is beneficial to improving the quality of a hollow guide rail.
In order to achieve the above purpose, the utility model adopts the following technical scheme: hollow guide rail cutting device that punches a hole includes: the die carrier is provided with a lower die, the upper surface of the lower die is provided with a longitudinal guide groove which penetrates through the lower die in the front-back direction and can be used for embedding guide arms of a hollow guide rail, the lower dies on the left side and the right side of the longitudinal guide groove are respectively provided with a pushing vertical hole, the upper surface of the lower die between each pushing vertical hole and the longitudinal guide groove is provided with a stepped caulking groove, the groove bottoms of the stepped caulking grooves are higher than the groove bottoms of the longitudinal guide groove, the two stepped caulking grooves are symmetrically distributed on the left side and the right side of the longitudinal guide groove, the large-caliber section of each stepped caulking groove is internally penetrated to the corresponding longitudinal guide groove side wall, the small-caliber section is externally penetrated to the corresponding pushing vertical hole side wall, the groove bottoms of the large-caliber section of each stepped caulking groove are provided with lower cutter avoidance half holes which penetrate through the lower die up and down, the two lower cutter avoidance half holes are symmetrically distributed on the left side and the right side of the longitudinal guide groove, and the two lower cutter avoidance half holes are respectively penetrated inwards to the corresponding longitudinal guide groove side walls so that the two lower cutter avoidance half holes jointly form a lower cutter avoidance hole; the two stepped caulking grooves are respectively and movably embedded with an adaptive stepped cutting support insert, the small-caliber end of each cutting support insert outwards extends into a pushing vertical hole on the same side and is provided with a first pushing inclined plane, the end face of the large-caliber end of each cutting support insert is a guide inclined plane which gradually inclines from top to bottom to a side far away from the longitudinal guide groove, each cutting support insert is connected to the lower die through an elastic connecting structure, and the elastic connecting structure enables the corresponding cutting support insert to always have a trend of outwards extending into the pushing vertical hole; a notch which is vertically penetrated through each cutting support insert and corresponds to the lower cutter avoidance half hole corresponding to the lower part is arranged at the large caliber end of each cutting support insert, the notches of the two cutting support inserts form an upper cutter avoidance hole relatively and jointly, and the upper cutter avoidance hole and the lower cutter avoidance hole form a complete cutter avoidance hole for the cutter to be inserted;
a pair of punching caulking grooves are respectively arranged on the front side and the rear side of each stepped caulking groove, the two pairs of punching caulking grooves positioned on the front side are distributed in a bilateral symmetry manner, the two pairs of punching caulking grooves positioned on the rear side are distributed in a bilateral symmetry manner, a punching support insert is embedded in each punching caulking groove, the upper end face of the punching support insert positioned on the left side and the upper end face of the cutting support insert positioned on the left side form a supporting platform for supporting a left fixing arm of a hollow guide rail together, and the upper end face of the punching support insert positioned on the right side and the upper end face of the cutting support insert positioned on the right side form a supporting platform for supporting a right fixing arm of the hollow guide rail together; an upper punching hole which penetrates through the punching supporting insert up and down and corresponds to the hollow guide rail fixing arm upwards is arranged in each punching supporting insert, a lower punching hole which penetrates through the lower die up and corresponds to the upper punching hole upwards is arranged in each punching caulking groove, and the lower punching hole of each punching caulking groove and the upper punching hole of the corresponding punching supporting insert form a complete punching hole for inserting a punching head together;
a die cutting cylinder is vertically arranged on the die frame above the lower die, a piston rod of the die cutting cylinder faces downwards and is provided with an upper die which downwards corresponds to the lower die, a pushing post which can be downwards correspondingly inserted into a vertical hole on the same side of the lower die is respectively arranged at the left side and the right side of the upper die, and the lower end of each pushing post is provided with a second pushing inclined plane which can be matched and contacted with a first pushing inclined plane corresponding to the cutting support insert when the pushing post is downwards inserted into the corresponding pushing vertical hole so as to push the corresponding cutting support insert to inwards extrude the upper part of the guide arm of the hollow guide rail against the acting force of the elastic connecting structure; the upper surface of the upper die at the rear side of the cutter is provided with two pairs of punches which can be inserted into the rear side of the lower die downwards correspondingly, and the lower end of the punch is lower than the lower end of the cutter; a pressing plate is arranged between the lower die and the upper die, pressing avoidance holes for a cutter and each punch to pass through are formed in the pressing plate, the pressing plate is hung on the upper die through an elastic pressing assembly, and the elastic pressing assembly enables the pressing plate to have a downward moving trend relative to the upper die all the time.
Further, the aforementioned hollow rail punching and cutting device, wherein: the elastic connection structure includes: the small-caliber end face of the cutting support insert facing the pushing vertical hole is provided with a threaded connection hole, the inner wall of the pushing vertical hole is provided with a through hole corresponding to the threaded connection hole, a screw rod of the tension bolt penetrates through the through hole and is then in threaded connection with the threaded connection hole of the cutting support insert, the bottom of the pushing column is provided with a pushing avoidance notch corresponding to the screw rod of the tension bolt, a spring is arranged between the head of the tension bolt and the lower die, and the tension bolt always has a trend of driving the corresponding cutting support insert to extend outwards into the pushing vertical hole under the elastic action of the spring.
Further, the aforementioned hollow rail punching and cutting device, wherein: the structure of the elastic pressing component comprises: the left side and the right side of the upper die are provided with a plurality of stepped through holes with large upper caliber and small lower caliber, each stepped through hole is penetrated with a T-shaped material pressing rod consisting of a head part and a rod body, the rod body of each T-shaped material pressing rod downwards penetrates through the corresponding stepped through hole and is fixedly connected with a material pressing plate, the rod body of each T-shaped material pressing rod is sleeved with a material pressing spring, and two ends of the material pressing spring respectively prop against the upper die and the material pressing plate.
Further, the aforementioned hollow rail punching and cutting device, wherein: two V-shaped cutting notches are formed in the bottom of the cutter and downwards correspond to two fixing arms of the hollow guide rail on the lower die.
Through implementation of the technical scheme, the utility model has the beneficial effects that: the punching and cutting operation of the hollow guide rail can be completed by one operation, the working procedure is simple, and the operation and the use are convenient; and the outward deformation of the notch of the hollow guide rail can be ensured not to exceed the tolerance, and the product quality of the hollow guide rail is ensured.
Drawings
Fig. 1 is a schematic structural view of a hollow elevator guide rail.
Fig. 2 is a schematic structural view of the hollow guide rail punching and cutting device according to the present utility model.
Fig. 3 is a schematic view of the structure of section A-A shown in fig. 2.
Fig. 4 is a schematic view of the structure of the section B-B shown in fig. 2.
Fig. 5 is an enlarged schematic view of the H site shown in fig. 4.
Fig. 6 is a schematic structural view of the C-C section shown in fig. 2.
Fig. 7 is a schematic structural view of the D-D section shown in fig. 2.
Fig. 8 is a schematic view of the structure of the lower die.
Fig. 9 is a schematic structural view of a pushing column.
Fig. 10 is a schematic view of a cut-away support insert.
Fig. 11 is a schematic structural view of the cutter.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11, the hollow guide rail punching and cutting device comprises: the die carrier 1, the lower die 2 is arranged in the die carrier 1, the upper surface of the lower die 2 is provided with a longitudinal guide groove 4 which penetrates through the lower die 2 in the front-back direction and can be used for embedding a guide arm of a hollow guide rail 3, the lower die 2 at the left side and the right side of the longitudinal guide groove 4 is respectively provided with a pushing vertical hole 5, the upper surface of the lower die between each pushing vertical hole 5 and the longitudinal guide groove 4 is provided with a stepped caulking groove 6, the groove bottom of the stepped caulking groove 6 is higher than the groove bottom of the longitudinal guide groove 4, the two stepped caulking grooves 6 are symmetrically distributed at the left side and the right side of the longitudinal guide groove 4, the large-caliber section of each stepped caulking groove 6 is penetrated inwards to the side wall of the corresponding longitudinal guide groove 4, the small-caliber section is penetrated outwards to the side wall of the corresponding pushing vertical hole 5, the groove bottom of the large-caliber section of each stepped caulking groove 6 is provided with a lower avoidance cutter half hole which penetrates through the lower cutter 2 up and down, the two lower avoidance cutter half holes are symmetrically distributed at the left side and the right side of the longitudinal guide groove 4, and the two lower avoidance cutter half holes are respectively penetrated inwards to the corresponding longitudinal guide groove side walls, so that the two lower avoidance half holes 7 are formed together; the two stepped caulking grooves 6 are respectively and movably embedded with an adaptive stepped cutting support insert 8, the small-caliber end of each cutting support insert 8 extends outwards into a pushing vertical hole 5 on the same side and is provided with a first pushing inclined plane 81, the end face of the large-caliber end of each cutting support insert 8 is a guide inclined plane 82 which is gradually inclined from top to bottom to the side far away from the longitudinal guide groove, each cutting support insert 8 is connected to the lower die 2 through an elastic connecting structure, and the elastic connecting structure enables the corresponding cutting support insert 8 to always have a trend of extending outwards into the pushing vertical hole 5; a notch which penetrates through the cutting support insert 8 up and down and corresponds to the lower cutter avoidance half hole below is formed at the large caliber end of each cutting support insert 8, the notches of the two cutting support inserts form an upper cutter avoidance hole 9 relatively and jointly, and the upper cutter avoidance hole 9 and the lower cutter avoidance hole 7 form a complete cutter avoidance hole for inserting a cutter 10;
a pair of punching caulking grooves 11 are respectively arranged on the front side and the rear side of each stepped caulking groove 6, the two pairs of punching caulking grooves 11 positioned on the front side are distributed in a bilateral symmetry manner, the two pairs of punching caulking grooves 11 positioned on the rear side are distributed in a bilateral symmetry manner, each punching caulking groove 11 is internally embedded with one punching supporting insert 12, the upper end surface of the punching supporting insert 12 positioned on the left side and the upper end surface of the cutting supporting insert 8 positioned on the left side form a supporting platform for supporting the left side fixing arm of the hollow guide rail 3 together, and the upper end surface of the punching supporting insert 12 positioned on the right side and the upper end surface of the cutting supporting insert 8 positioned on the right side form a supporting platform for supporting the right side fixing arm of the hollow guide rail 3 together; an upper punch 13 which penetrates through the punch support insert 12 up and down and corresponds to the hollow guide rail fixing arm upwards is arranged in each punch support insert 12, a lower punch 14 which penetrates through the lower die 2 up and down and corresponds to the upper punch 13 upwards is arranged in each punch caulking groove, and the lower punch 14 of each punch caulking groove 11 and the upper punch 13 of the corresponding punch support insert 12 form a complete punch for inserting a punch 15 together;
a punching cylinder 16 is vertically arranged on the die frame 1 above the lower die 2, a piston rod of the punching cylinder 16 faces downwards and is provided with an upper die 17 which downwards corresponds to the lower die 2, a pushing post 18 which can be downwards correspondingly inserted into a lower same side pushing vertical hole 5 is respectively arranged on the left side and the right side of the upper die 17, and a second pushing inclined plane 181 which can be matched and contacted with a first pushing inclined plane 81 corresponding to the cutting support insert 8 when the pushing post 18 is downwards inserted into the corresponding pushing vertical hole 5 is arranged at the lower end of each pushing post 18 so as to push the corresponding cutting support insert 8 to inwards extrude the upper part of the guide arm of the hollow guide rail 3 against the acting force of the elastic connecting structure; the lower surface of the upper die 17 between the two pushing posts 18 is provided with a cutter 10 which can be correspondingly inserted into a cutter avoidance hole of the lower die 2 downwards, the upper surface of the upper die 17 at the front side of the cutter 10 is provided with two pairs of punching heads 15 which can be correspondingly inserted into two pairs of punching holes at the front side of the lower die 2 downwards, the upper surface of the upper die 17 at the rear side of the cutter 10 is provided with two pairs of punching heads 15 which can be correspondingly inserted into two pairs of punching holes at the rear side of the lower die 2 downwards, and the lower end of the punching heads 15 is lower than the lower end of the cutter 10; a pressing plate 19 is arranged between the lower die 2 and the upper die 17, a pressing avoiding hole 20 for the cutter 10 and each punch 15 to pass through is arranged on the pressing plate 19, the pressing plate 19 is hung on the upper die 17 through an elastic pressing assembly, and the elastic pressing assembly enables the pressing plate 19 to always have a downward moving trend relative to the upper die 17;
in this embodiment, the elastic connection structure includes: a threaded connection hole is formed in the end face of the small-caliber end of the cutting support insert 8 opposite to the pushing vertical hole 5, a through hole 22 corresponding to the threaded connection hole is formed in the inner wall of the pushing vertical hole 5, a screw rod of a tension bolt 23 passes through the through hole 22 and is then connected in the threaded connection hole of the cutting support insert 8 in a threaded manner, a pushing avoidance notch 24 corresponding to the screw rod of the tension bolt 23 is formed in the bottom of the pushing column 18, a spring 25 is arranged between the head of the tension bolt 23 and the lower die 2, and the tension bolt 23 always has a trend of driving the corresponding cutting support insert 8 to extend outwards into the pushing vertical hole 5 under the elastic force of the spring 25;
in this embodiment, the structure of the elastic pressing assembly includes: a plurality of stepped through holes 26 with large upper caliber and small lower caliber are arranged on the left side and the right side of the upper die 17, a T-shaped material pressing rod 27 consisting of a head part and a rod body is penetrated in each stepped through hole 26, the rod body of each T-shaped material pressing rod 27 downwards penetrates through the corresponding stepped through hole 26 and is fixedly connected with a material pressing plate 19, a material pressing spring 28 is sleeved on the rod body of each T-shaped material pressing rod 27, two ends of the material pressing spring 28 respectively prop against the upper die 17 and the material pressing plate 19, and the elastic material pressing assembly has simple structure and is convenient to install and maintain;
in the present embodiment, two V-shaped cutting notches 29 are provided at the bottom of the cutter 10, and the two V-shaped cutting notches 29 correspond downward to the two fixing arms of the hollow rail 3 placed on the lower die 2;
the working principle of the utility model is as follows:
firstly, placing a hollow guide rail 3 on a lower die 2, wherein a guide arm of the hollow guide rail 3 is embedded in a longitudinal guide groove 4, a fixed arm on the left side of the hollow guide rail 3 is placed on a supporting platform formed by the upper end face of a punching support insert 12 positioned on the left side and the upper end face of a cutting support insert 8 positioned on the left side, and a fixed arm on the right side of the hollow guide rail 3 is placed on a supporting platform formed by the upper end face of the punching support insert 12 positioned on the right side and the upper end face of the cutting support insert 8 positioned on the right side; then, starting a punching oil cylinder 16, so that the punching oil cylinder 16 drives an upper die 17 and a pressing plate 19 to move downwards together, and in the process of moving downwards together the upper die 17 and the pressing plate 19, the pressing plate 19 firstly contacts two fixed arms pressing the hollow guide rail 3, and the upper die 17 gradually compresses a pressing spring 28 along with the continuous downwards movement of the upper die 17, and the pressing plate 19 is pressed downwards on the two fixed arms of the hollow guide rail 3 under the action of the elastic force of the pressing spring 28;
as the upper die 17 continues to move downwards, four pairs of punches of the upper die 17 are inserted into corresponding punches of the lower die 2, so that the punching operation of the two fixed arms of the hollow guide rail 3 is completed; as the upper die 17 continues to move downwards, the two pushing posts 18 on the left and right sides of the upper die 17 gradually and downwards insert into the two pushing vertical holes 5 corresponding to the lower die 2, and in the process that the two pushing posts 18 are inserted into and move downwards along the two pushing vertical holes 5, the two pushing posts 18 push the two cutting support inserts 8 to move oppositely against the elastic force of the springs 25, so that the two cutting support inserts 8 press the guide arms of the part, which needs to be cut, of the hollow guide rail 3 inwards through the respective guide inclined planes 82, and the two side walls of the guide arms of the part, which needs to be cut, of the hollow guide rail 3 are bent inwards first;
as the upper die 17 continues to move downwards, the cutter 10 of the upper die 17 is inserted downwards into the cutter avoiding hole, and in the process of inserting the cutter 10 downwards into the cutter avoiding hole, the cutter 10 cuts off the hollow guide rail 3 extruded by the two cutting support inserts 8 at the moment through the two V-shaped cutting notch 29, so that the cutting operation of the hollow guide rail 3 is completed;
then, the punching oil cylinder 16 drives the upper die 17 and the pressing plate 19 to reset upwards, and when the upper die 17 resets upwards, the two pushing posts 18 are driven to synchronously move upwards to leave the corresponding pushing vertical holes 5 of the lower die 2, when the pushing posts 18 leave the pushing vertical holes 5, the two cutting support inserts 8 move oppositely under the action of the elasticity of the springs 25 corresponding to the elastic connection structure, the guide arms of the hollow guide rail 3 are loosened, at the moment, the two side walls of the guide arms of the cutting part of the hollow guide rail 3 deform to two sides under the action of the self external stress, and the deformation amount of the two cutting support inserts 8 pressed inwards in the cutting process is exactly compensated, so that the external deformation amount of the notch of the hollow guide rail is ensured not to exceed the tolerance, and the product quality of the hollow guide rail is improved.
The utility model has the advantages that: the punching and cutting operation of the hollow guide rail can be completed by one operation, the working procedure is simple, and the operation and the use are convenient; and the outward deformation of the notch of the hollow guide rail can be ensured not to exceed the tolerance, and the product quality of the hollow guide rail is ensured.
The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any other way, but any modifications or equivalent variations according to the technical spirit of the present utility model are still included in the scope of the present utility model.
Claims (4)
1. Hollow guide rail cutting device that punches a hole includes: the die carrier, its characterized in that: the die carrier is internally provided with a lower die, the upper surface of the lower die is provided with a longitudinal guide groove which penetrates through the lower die in the front-back direction and can be used for embedding guide arms of a hollow guide rail, the lower dies at the left side and the right side of the longitudinal guide groove are respectively provided with a pushing vertical hole, the upper surface of the lower die between each pushing vertical hole and the longitudinal guide groove is provided with a stepped caulking groove, the bottom of the stepped caulking groove is higher than the bottom of the longitudinal guide groove, the two stepped caulking grooves are symmetrically distributed at the left side and the right side of the longitudinal guide groove, the large caliber section of each stepped caulking groove is internally penetrated to the side wall of the corresponding longitudinal guide groove, the small caliber section is externally penetrated to the side wall of the corresponding pushing vertical hole, the bottom of the large opening section of each stepped caulking groove is provided with a lower cutter avoidance half hole which penetrates through the lower die up and down, the two lower cutter avoidance half holes are symmetrically distributed at the left side and the right side of the longitudinal guide groove, and the two lower cutter avoidance half holes are respectively penetrated inwards to the side walls of the corresponding longitudinal guide groove so that the two lower cutter avoidance half holes jointly form a lower avoidance hole; the two stepped caulking grooves are respectively and movably embedded with an adaptive stepped cutting support insert, the small-caliber end of each cutting support insert outwards extends into a pushing vertical hole on the same side and is provided with a first pushing inclined plane, the end face of the large-caliber end of each cutting support insert is a guide inclined plane which gradually inclines from top to bottom to a side far away from the longitudinal guide groove, each cutting support insert is connected to the lower die through an elastic connecting structure, and the elastic connecting structure enables the corresponding cutting support insert to always have a trend of outwards extending into the pushing vertical hole; a notch which is vertically penetrated through each cutting support insert and corresponds to the lower cutter avoidance half hole corresponding to the lower part is arranged at the large caliber end of each cutting support insert, the notches of the two cutting support inserts form an upper cutter avoidance hole relatively and jointly, and the upper cutter avoidance hole and the lower cutter avoidance hole form a complete cutter avoidance hole for the cutter to be inserted;
a pair of punching caulking grooves are respectively arranged on the front side and the rear side of each stepped caulking groove, the two pairs of punching caulking grooves positioned on the front side are distributed in a bilateral symmetry manner, the two pairs of punching caulking grooves positioned on the rear side are distributed in a bilateral symmetry manner, a punching support insert is embedded in each punching caulking groove, the upper end face of the punching support insert positioned on the left side and the upper end face of the cutting support insert positioned on the left side form a supporting platform for supporting a left fixing arm of a hollow guide rail together, and the upper end face of the punching support insert positioned on the right side and the upper end face of the cutting support insert positioned on the right side form a supporting platform for supporting a right fixing arm of the hollow guide rail together; an upper punching hole which penetrates through the punching supporting insert up and down and corresponds to the hollow guide rail fixing arm upwards is arranged in each punching supporting insert, a lower punching hole which penetrates through the lower die up and corresponds to the upper punching hole upwards is arranged in each punching caulking groove, and the lower punching hole of each punching caulking groove and the upper punching hole of the corresponding punching supporting insert form a complete punching hole for inserting a punching head together;
a die cutting cylinder is vertically arranged on the die frame above the lower die, a piston rod of the die cutting cylinder faces downwards and is provided with an upper die which downwards corresponds to the lower die, a pushing post which can be downwards correspondingly inserted into a vertical hole on the same side of the lower die is respectively arranged at the left side and the right side of the upper die, and the lower end of each pushing post is provided with a second pushing inclined plane which can be matched and contacted with a first pushing inclined plane corresponding to the cutting support insert when the pushing post is downwards inserted into the corresponding pushing vertical hole so as to push the corresponding cutting support insert to inwards extrude the upper part of the guide arm of the hollow guide rail against the acting force of the elastic connecting structure; the upper surface of the upper die at the rear side of the cutter is provided with two pairs of punches which can be inserted into the rear side of the lower die downwards correspondingly, and the lower end of the punch is lower than the lower end of the cutter; a pressing plate is arranged between the lower die and the upper die, pressing avoidance holes for a cutter and each punch to pass through are formed in the pressing plate, the pressing plate is hung on the upper die through an elastic pressing assembly, and the elastic pressing assembly enables the pressing plate to have a downward moving trend relative to the upper die all the time.
2. The hollow rail punch-out and cutoff device according to claim 1, wherein: the elastic connection structure includes: the small-caliber end face of the cutting support insert facing the pushing vertical hole is provided with a threaded connection hole, the inner wall of the pushing vertical hole is provided with a through hole corresponding to the threaded connection hole, a screw rod of the tension bolt penetrates through the through hole and is then in threaded connection with the threaded connection hole of the cutting support insert, the bottom of the pushing column is provided with a pushing avoidance notch corresponding to the screw rod of the tension bolt, a spring is arranged between the head of the tension bolt and the lower die, and the tension bolt always has a trend of driving the corresponding cutting support insert to extend outwards into the pushing vertical hole under the elastic action of the spring.
3. The hollow rail punch-out and cutoff device according to claim 1, wherein: the structure of the elastic pressing component comprises: the left side and the right side of the upper die are provided with a plurality of stepped through holes with large upper caliber and small lower caliber, each stepped through hole is penetrated with a T-shaped material pressing rod consisting of a head part and a rod body, the rod body of each T-shaped material pressing rod downwards penetrates through the corresponding stepped through hole and is fixedly connected with a material pressing plate, the rod body of each T-shaped material pressing rod is sleeved with a material pressing spring, and two ends of the material pressing spring respectively prop against the upper die and the material pressing plate.
4. A hollow rail punch-out and cut-off device according to claim 1 or 2 or 3, characterized in that: two V-shaped cutting notches are formed in the bottom of the cutter and downwards correspond to two fixing arms of the hollow guide rail on the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223396317.0U CN219357578U (en) | 2022-12-19 | 2022-12-19 | Hollow guide rail punching and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223396317.0U CN219357578U (en) | 2022-12-19 | 2022-12-19 | Hollow guide rail punching and cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219357578U true CN219357578U (en) | 2023-07-18 |
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ID=87139524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223396317.0U Active CN219357578U (en) | 2022-12-19 | 2022-12-19 | Hollow guide rail punching and cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219357578U (en) |
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2022
- 2022-12-19 CN CN202223396317.0U patent/CN219357578U/en active Active
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