CN219330818U - Lower die lifting mechanism and lower die structure of riveting machine - Google Patents
Lower die lifting mechanism and lower die structure of riveting machine Download PDFInfo
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- CN219330818U CN219330818U CN202320219851.XU CN202320219851U CN219330818U CN 219330818 U CN219330818 U CN 219330818U CN 202320219851 U CN202320219851 U CN 202320219851U CN 219330818 U CN219330818 U CN 219330818U
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Abstract
The utility model relates to a lower die lifting mechanism and a lower die structure of a riveting machine, and belongs to the technical field of riveting machines, wherein the lower die lifting mechanism comprises a lifting piece, a moving piece, a lifting piece and an elastic reset piece, the lifting piece can rotate between a first position and a second position, the moving piece can move along a first direction or the opposite direction of the first direction, and when the moving piece moves along the first direction, the moving piece is in driving fit with the lifting piece and drives the lifting piece to rotate towards the first position; when the moving member moves in the opposite direction of the first direction, the lifting member rotates to the second position under the action of the elastic restoring member. According to the utility model, the upper table top of the working lower die can be kept horizontal in the lifting process and after the lifting in a lifting manner, so that the displacement of the lower buckling workpiece placed on the upper table top of the working lower die can be effectively prevented, the position of the lower buckling workpiece can be accurately aligned with the position of the upper buckling workpiece in riveting, and the riveting quality can be ensured.
Description
Technical Field
The utility model relates to a lower die lifting mechanism and a lower die structure of a riveting machine, and belongs to the technical field of riveting machines.
Background
The prior riveting machine is also called button sewing machine, is widely used in clothing factories and leather bag processing enterprises, and is mainly used for sewing various types of metal buttons on knitted garments, down jackets, jeans garments, shoe caps, leather and other products. The button sewing machine is generally composed of an upper button and a lower button, which are respectively disposed on the front and back sides of the cloth and are riveted by a riveting machine.
When the cloth is fastened, holes are generally punched in the cloth, and then the upper fastener and the lower fastener are riveted, so that the working lower die of the riveting machine needs to be switched in position to realize different operations. In the prior art, an inclined block is generally adopted to jack up the working lower die so as to realize the switching of the position of the working lower die, but the mode has the following defects: because the oblique block is jacked up through one side, the upper table surface of the working lower die is possibly uneven, and the lower buckling workpiece placed on the upper table surface of the working lower die is easily shifted, so that the position of the lower buckling workpiece cannot be accurately aligned with the position of the upper buckling workpiece during riveting, and the riveting quality is difficult to guarantee.
Therefore, in order to ensure the quality of riveting, a new lower die structure of the riveting machine with an optimized structure is required.
Disclosure of Invention
The utility model aims to provide a lower die lifting mechanism capable of ensuring riveting quality and a lower die structure of a riveting machine.
The utility model provides a lower die lifting mechanism, which is arranged in a lower die structure of a riveting machine and is used for driving a working lower die to move between a first working position and a second working position, and has the characteristics that:
the lifting piece can rotate between a first position and a second position; when the lifting piece is in the first position, the working lower die is in the first working position; when the working lower die is positioned at the second position, the working lower die is positioned at the second working position;
the moving piece can move along a first direction or the opposite direction of the first direction and is used for driving the lifting piece to rotate; and
the lifting piece is indirectly or directly abutted against the upper end of the lifting piece and is used for fixedly supporting the working lower die,
wherein when the moving member moves in the first direction, it drivingly engages the lifting member and urges the lifting member to rotate toward the first position;
when the moving member moves in the opposite direction of the first direction, the lifting member rotates to the second position under the gravity of the lifting member and/or the restoring force of the elastic restoring member.
The lower die lifting mechanism provided by the utility model can also have the following characteristics:
wherein the lower end of the lifting piece is provided with a lifting driving part, the moving piece is provided with a rolling part which is in abutting fit with the lifting driving part,
when the moving piece moves along the first direction, the rolling part and the lifting driving part are matched, so that the lifting piece is driven to rotate towards the first position.
The lower die lifting mechanism provided by the utility model can also have the following characteristics:
wherein, the lifting drive portion includes:
a first driving part which is in contact with the rolling part when the first driving part is at the first position, and is in a horizontal state at the moment;
a second driving part inclined upward with respect to the first driving part; and
a third driving part which is inclined downwards relative to the second driving part, is abutted with the rolling part when being at the second position, and is in a horizontal state at the moment,
the second driving part is positioned between the first driving part and the third driving part.
The lower die lifting mechanism provided by the utility model can also have the characteristics that:
a frame with a lifting channel with an open top and a transverse channel communicated with the lifting channel,
wherein, the lifting piece sets up in the lift passageway, the moving part sets up in the horizontal passageway.
The lower die lifting mechanism provided by the utility model can also have the following characteristics:
the lifting piece comprises two lifting rods, the two lifting rods are symmetrically arranged on two opposite side parts of the frame, one end part of each lifting rod is hinged to the frame, the lower ends of the lifting rods are propped against the rolling parts, and the lower ends of the two lifting rods are respectively provided with the lifting driving parts.
The lower die lifting mechanism provided by the utility model can also have the following characteristics:
the rolling parts comprise two first rolling parts, the two first rolling parts are rotatably arranged on two opposite sides of the moving part and correspond to the two lifting rods one by one, and the two first rolling parts are respectively abutted to the lifting driving parts at the lower ends of the two lifting rods.
The lower die lifting mechanism provided by the utility model can also have the following characteristics:
wherein the lifting piece is penetrated with a horizontal extending cross rod, two ends of the cross rod are respectively provided with a second rolling piece, the two second rolling pieces are respectively abutted with the upper ends of the two lifting rods,
the frame is provided with two lifting grooves for the two ends of the cross rod to pass through, and the lifting grooves extend along the vertical direction.
The lower die lifting mechanism provided by the utility model can also have the following characteristics:
the elastic reset piece comprises two tension springs, the upper ends of the two tension springs are respectively buckled with the two ends of the cross rod, and the lower ends of the two tension springs are respectively buckled with the frame.
The lower die lifting mechanism provided by the utility model can also have the characteristics that:
a driving part for driving the moving member to move along the first direction or the opposite direction of the first direction,
wherein the driving part includes:
a drive shaft;
the driving connecting rod part is provided with an input end connected with the driving shaft and an output end connected with the moving piece; and
and the driving source is used for driving the driving shaft to rotate.
The utility model provides a lower die structure of a riveting machine, which has the characteristics that the lower die structure comprises a lower die lifting mechanism.
Therefore, compared with the prior art, the utility model has the following advantages:
according to the lower die lifting mechanism and the lower die structure of the riveting machine, the lower die lifting mechanism comprises the lifting piece, the moving piece, the lifting piece and the elastic reset piece, the lifting piece can rotate between the first position and the second position, the moving piece can move along the first direction or the opposite direction of the first direction, when the moving piece moves along the first direction, the moving piece is in driving fit with the lifting piece and drives the lifting piece to rotate towards the first position, the lifting piece is lifted upwards in the rotating process of the lifting piece so as to drive the upper working die to move towards the first working position, when the moving piece moves along the opposite direction of the first direction, the lifting piece rotates towards the second position under the action of the elastic reset piece, the lifting piece synchronously descends in the rotating process of the lifting piece so as to drive the upper working die to move towards the second working position, the upper working die can be switched over in the first direction, the upper table top in the lifting process and the rear working lower die can be kept horizontal in the lifting mode, the lower working die can be effectively prevented from being placed on the lower die in the lifting mode, and the lower working die can be accurately locked with the upper table top in the lifting process, and the riveting position of the workpiece can be guaranteed, and the riveting position of the workpiece can be accurately locked.
Drawings
FIG. 1 is a schematic perspective view of a lower die structure of a riveting machine according to an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a lift in its first position according to an embodiment of the utility model;
FIG. 3 is a schematic perspective view of a lift in its second position according to an embodiment of the utility model;
FIG. 4 is a schematic perspective view of a lower die lifting mechanism according to an embodiment of the present utility model;
FIG. 5 is a schematic perspective view of a lift rod according to an embodiment of the present utility model;
FIG. 6 is a schematic perspective view of a frame according to an embodiment of the present utility model;
FIG. 7 is a schematic perspective view of a moving member according to an embodiment of the present utility model;
fig. 8 is a schematic perspective view of a driving part according to an embodiment of the present utility model.
The index marks in the drawings are as follows: a lower die structure 100 of the riveting machine; a lower die lifting mechanism 10; a lifting piece 11; a lift driving section 111; a lifting lever 112; a first driving section 111a; a second driving section 111b; a third driving section 111c; a moving member 12; a scroll part 121; a first rolling member 121a; a lifter 13; a cross bar 131; a second rolling member 132; an elastic restoring member 14; a tension spring 141; a frame 15, a lifting channel 151; a transverse channel 152; a lifting groove 153; a driving section 16; a drive shaft 161; a drive link portion 162; an input link 162a; an output link 162b; a driving source 163; a cylinder 163a; a power link 163b; the lower die 17 is operated.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and effects of the present utility model easy to understand, the lower die lifting mechanism and the lower die structure of the riveting machine of the present utility model are specifically described below with reference to the embodiments and the accompanying drawings.
The embodiment provides a lower die lifting mechanism capable of guaranteeing riveting quality and a lower die structure of a riveting machine.
FIG. 1 is a schematic perspective view of a lower die structure of a riveting machine according to an embodiment of the present utility model; FIG. 2 is a schematic perspective view of a lift in its first position according to an embodiment of the utility model; FIG. 3 is a schematic perspective view of the lift in its second position according to an embodiment of the utility model.
As shown in fig. 1 to 3, the lower die structure 100 of the riveting machine of the present embodiment includes a lower die lifting mechanism 10 for driving a working lower die 17 to move between a first working position and a second working position, and the lower die lifting mechanism 10 includes a lifting member 11, a moving member 12, a lifting member 13, and an elastic restoring member 14. The lifting element 11 is rotatable between a first position in which the working lower die 17 is in the first working position and a second position in which the working lower die 17 is in the second working position. The moving member 12 is movable in the first direction or the opposite direction of the first direction for driving the lifting member 11 to rotate. The lifting member 13 is indirectly or directly abutted against the movable end of the lifting member 11, and the lifting member 13 is indirectly or directly abutted against the upper end of the lifting member 11 for fixedly supporting the working lower die 17. The resilient return member 14 serves to provide the lifting member 11 with a tendency to rotate towards the second position. The direction indicated by D in fig. 2 is the first direction.
As can be appreciated, when the moving member 12 moves in the first direction, it is in driving engagement with the lifting member 11 and drives the lifting member 11 to rotate toward the first position, and the lifting member 11 lifts the lifting member 13 upward during rotation of the lifting member 11 so as to drive the upper working die to move toward the first working position; when the moving part 12 moves in the opposite direction of the first direction, the lifting part 11 rotates to the second position under the action of the gravity of the lifting part 13 and the reset force of the elastic reset part 14, and the lifting part 13 moves downwards synchronously in the rotation process of the lifting part 11, so that the upper working die is driven to move to the second working position, the switching of the working position of the lower working die 17 is realized, the upper table top of the lower working die 17 can be kept horizontal in the lifting process and after the lifting in a lifting manner, the lower buckling workpiece placed on the upper table top of the lower working die 17 can be effectively prevented from being shifted, the position of the lower buckling workpiece can be aligned with the position of the upper buckling workpiece accurately in the riveting process, and the riveting quality can be ensured.
Fig. 4 is a schematic perspective view of a lower die lifting mechanism according to an embodiment of the present utility model.
As shown in fig. 4, the lower end of the lifting piece 11 has a lifting drive portion 111, and the moving piece 12 has a rolling portion 121 that is in abutting engagement with the lifting drive portion 111. When the moving member 12 moves in the first direction, the lifting member 11 is driven to rotate toward the first position by the engagement between the rolling portion 121 and the lifting driving portion 111.
It can be appreciated that the rolling part 121 and the lifting driving part 111 cooperate to drive the lifting part 11 to rotate towards the first position in the moving process of the moving part 12, so as to realize the switching of the working position of the working lower die 17.
Fig. 5 is a schematic perspective view of a lifting lever according to an embodiment of the present utility model.
As shown in fig. 5, the lift driving portion 111 includes a first driving portion 111a, a second driving portion 111b, and a third driving portion 111c. When the first driving unit 111a is in the first position, it is in contact with the rolling unit 121, and the first driving unit 111a is in a horizontal state. The second driving part 111b is inclined upward with respect to the first driving part 111 a. The third driving portion 111c is inclined downward with respect to the second driving portion 111b, and in the second position, it abuts against the rolling portion 121, and at this time, the third driving portion 111c is in a horizontal state. The second driving portion 111b is located between the first driving portion 111a and the third driving portion 111c.
As can be appreciated, when the moving member 12 moves in the first direction, the rolling portion 121 moves from the position where the third driving portion 111c is located to the position where the first driving portion 111a is located, and when the rolling portion 121 passes through the second driving portion 111b, it is in driving engagement with the second driving portion 111b, so as to drive the lifting member 11 to rotate to the first position, and when the moving member 12 moves in the opposite direction to the first direction, the rolling portion 121 moves from the position where the first driving portion 111a is located to the position where the third driving portion 111c is located, so that the lifting member 11 can rotate to the second position, and in addition, the working lower die 17 can be stably maintained at the first working position or the second working position by the abutting engagement between the first driving portion 111a and the third driving portion 111c and the rolling portion 121, respectively;
when the moving member 12 moves along the first direction, the rolling part 121 is kept in a stationary state all the time in the process of being matched with the third driving part 111c before reaching the second driving part 111b, and the lifting member 11 starts to rotate after the rolling part 121 reaches the second driving part 111b, so that the working lower die 17 can move to the second working position after the lower buckle feeding mechanism of the riveting machine is retracted for a certain distance, and collision between the working lower die and the third driving part 111c is avoided.
Fig. 6 is a schematic perspective view of a frame according to an embodiment of the present utility model.
As shown in fig. 6, the lower die lifting mechanism 10 further includes a frame 15 having a lifting passage 151 opened at the top and a lateral passage 152 communicating with the lifting passage 151. The lifting member 13 is disposed in the lifting channel 151 and the moving member 12 is disposed in the transverse channel 152.
It will be appreciated that the lifting member 13 can move up and down in the lifting channel 151, and the moving member 12 can move left and right in the transverse channel 152, so that the moving paths of the lifting member 13 and the moving member 12 can be regulated, and the stability and accuracy of the movement of the lifting member 13 and the moving member 12 can be ensured.
As shown in fig. 3 and 4, the lifting member 11 includes two lifting rods 112, the two lifting rods 112 are symmetrically disposed at two opposite side portions of the frame 15, one end portion of each lifting rod 112 is hinged to the frame 15, the lower ends of the lifting rods 112 abut against the rolling portion 121, and lifting driving portions 111 are disposed at the lower ends of the two lifting rods 112.
It will be appreciated that the lifting member 13 can be stably lifted upwards by the two lifting members 112, which is more advantageous for keeping the upper table of the lower working mold 17 horizontal during and after lifting.
Fig. 7 is a schematic perspective view of a moving member according to an embodiment of the present utility model.
As shown in fig. 4 and 7, the rolling part 121 includes two first rolling members 121a, where the two first rolling members 121a are rotatably disposed on two opposite sides of the moving member 12 and correspond to the two lifting rods 112 one by one, and the two first rolling members 121a are respectively abutted against the lifting driving parts 111 at the lower ends of the two lifting rods 112.
As can be appreciated, when the moving member 12 moves in the first direction, the two lifting rods 112 can be pushed to rotate to the first position by the two first rolling members 121a, so that the lifting member 13 is pushed to move upwards, and rolling friction is formed between the first rolling members 121a and the lifting rods 112, so that friction force can be reduced, lifting is smoother, and abrasion can be reduced.
In this embodiment, when the lifting lever 112 rotates to the first position, the upper surface of the moving member 12 abuts against the lower end of the lifting member 13, so that the bearing capacity of the lifting member 13 can be improved, and the bearing capacity of the working lower die 17 can be improved for riveting.
As shown in fig. 4 and 6, a horizontal rod 131 extending horizontally is arranged on the lifting member 13 in a penetrating manner, two ends of the horizontal rod 131 are respectively provided with a second rolling member 132, and the two second rolling members 132 are respectively abutted against the upper ends of the two lifting rods 112. The frame 15 has two lifting grooves 153 through which both ends of the cross bar 131 pass, and the lifting grooves 153 extend in the vertical direction.
It can be appreciated that the lifting rod 112 can push the lifting member 13 to move upwards through the second rolling member 131 when rotating, and the working lower die lifting groove 153 can yield the cross rod 131 when the lifting member 13 moves up and down, and meanwhile, the guiding and limiting functions can be achieved.
As shown in fig. 3 and 4, the elastic restoring member 14 includes two tension springs 141, the upper ends of the two tension springs 141 are respectively fastened to two ends of the cross bar 131, and the lower ends of the two tension springs are respectively fastened to the frame 15.
It will be appreciated that when the movable member 12 moves in the first direction, the two tension springs 141 are in a stretched state, and when the movable member 12 moves in the opposite direction to the first direction, the two tension springs 141 pull the lifting member 13 downward, thereby pushing the lifting member 11 to rotate toward the second position.
Fig. 8 is a schematic perspective view of a driving part according to an embodiment of the present utility model.
As shown in fig. 8, the lower die lifting mechanism 10 further includes a driving portion 16 for driving the movable member 12 to move in the first direction or the opposite direction of the first direction. The driving section 16 includes a driving shaft 161, a driving link section 162, and a driving source 163. The driving link portion 162 has an input end connected to the driving shaft 161 and an output end connected to the mover 12. The driving source 163 is used to drive the driving shaft 161 to rotate.
As will be appreciated, the drive source 163 is operable to drive the drive shaft 161 in rotation, and the drive shaft 161 in rotation drives the moveable member 12 in a first direction or a direction opposite to the first direction via the drive link 162 to thereby drive the rotatable lifting member 11 between the first and second positions.
As shown in fig. 8, the driving link portion 162 includes an input link 162a and an output link 162b. One end of the input link 162a is hinged to one end of the output link 162b. The other end of the input link 162a constitutes an input end of the drive link portion 162, and the other end of the output link 162b constitutes an output end of the drive link portion 162.
It will be appreciated that rotation of the drive shaft 161 can rotate the corresponding input link 162a, thereby driving the mover 12 to move via the output link 162b.
In this embodiment, the driving shaft 161 is rotatably supported on the frame 15, one end of the input link 162a forming the input end of the driving link 162 is fixedly connected to the driving shaft 161, and one end of the output link 162b forming the output end of the driving link 162 is hinged to the moving member 12.
As shown in fig. 8, the driving source 163 includes a cylinder 163a and a power link 163b. The cylinder 163a is fixed to the frame 15. One end of the power link 163b is fixed to the driving shaft 161, and the other end is drivingly connected to the telescopic end of the cylinder 163 a.
In this embodiment, the end of the power link 163b connected to the telescopic end of the cylinder 163a has a waist-shaped slot, and the telescopic end of the cylinder 163a has a latch that slides through the waist-shaped slot and forms a sliding fit therewith.
In other alternative embodiments, the drive source 163 may be a motor with the drive shaft 161 directly coupled to the motor shaft.
Effects and effects of the examples
According to the lower die lifting mechanism and the lower die structure of the riveting machine, the lower die lifting mechanism comprises a lifting piece, a moving piece, a lifting piece and an elastic reset piece, the lifting piece can rotate between a first position and a second position, the moving piece can move along the first direction or the opposite direction of the first direction, when the moving piece moves along the first direction, the moving piece is in driving fit with the lifting piece and drives the lifting piece to rotate towards the first position, the lifting piece is lifted upwards in the rotation process of the lifting piece to enable the lifting piece to ascend, so that the upper working die is driven to move towards the first working position, when the moving piece moves along the opposite direction of the first direction, the lifting piece rotates towards the second position under the action of the elastic reset piece, the lifting piece synchronously descends in the rotation process of the lifting piece, so that the upper working die is driven to move towards the second working position, the upper working position of the lower working die 17 is switched, the upper table top in the lifting process and the rear working die 17 can be kept horizontal in the lifting mode, the upper working position can be effectively prevented from being placed on the lower lifting die, and the lower working position can be guaranteed to be accurately locked with the riveting position, and the quality of a workpiece can be guaranteed.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: 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 lower mould lifting mechanism sets up in the lower mould structure of riveter for drive work lower mould removes between first working position and second working position, its characterized in that includes:
a lifting element (11) rotatable between a first position and a second position; when the lifting piece (11) is in the first position, the working lower die is in the first working position; when the working lower die is positioned at the second position, the working lower die is positioned at the second working position;
a moving member (12) movable in a first direction or a direction opposite to the first direction for driving the lifting member (11) to rotate; and
a lifting piece (13) which is indirectly or directly abutted against the movable end of the lifting piece (11) and is used for fixedly supporting the working lower die,
wherein when the moving member (12) moves in the first direction, it is in driving engagement with the lifting member (11) and drives the lifting member (11) to rotate toward the first position;
when the moving member (12) moves in the direction opposite to the first direction, the lifting member (11) rotates to the second position under the action of gravity of the lifting member (13) and/or the restoring force of the elastic restoring member (14).
2. The lower die lifting mechanism of claim 1, wherein:
wherein the lower end of the lifting piece (11) is provided with a lifting driving part (111), the moving piece (12) is provided with a rolling part (121) which is in abutting fit with the lifting driving part (111),
when the moving member (12) moves along the first direction, the rolling part (121) and the lifting driving part (111) are matched, so that the lifting member (11) is driven to rotate towards the first position.
3. The lower die lifting mechanism of claim 2, wherein:
wherein the lift driving part (111) includes:
a first driving unit (111 a) that comes into contact with the rolling unit (121) when in the first position, wherein the first driving unit (111 a) is in a horizontal state;
a second driving part (111 b) inclined upward with respect to the first driving part (111 a); and
a third driving part (111 c) which is inclined downward relative to the second driving part (111 b) and which is abutted against the rolling part (121) when in the second position, wherein the third driving part (111 c) is in a horizontal state,
the second driving section (111 b) is located between the first driving section (111 a) and the third driving section (111 c).
4. A lower die lifting mechanism according to any one of claims 2 to 3, further comprising:
a frame (15) with a lifting channel (151) with an open top and a transverse channel (152) communicated with the lifting channel (151),
wherein the lifting piece (13) is arranged in the lifting channel (151), and the moving piece (12) is arranged in the transverse channel (152).
5. The lower die lifting mechanism of claim 4, wherein:
the lifting piece (11) comprises two lifting rods (112), the two lifting rods (112) are symmetrically arranged on two opposite side parts of the frame (15), one end part of each lifting rod (112) is hinged to the frame (15), the lower ends of the lifting rods (112) are propped against the rolling parts (121), and the lower ends of the two lifting rods (112) are respectively provided with the lifting driving parts (111).
6. The lower die lifting mechanism of claim 5, wherein:
the rolling parts (121) comprise two first rolling parts (121 a), the two first rolling parts (121 a) are rotatably arranged on two opposite sides of the moving part (12) and correspond to the two lifting rods (112) one by one, and the two first rolling parts (121 a) are respectively abutted to the lifting driving parts (111) at the lower ends of the two lifting rods (112).
7. The lower die lifting mechanism according to claim 5 or 6, wherein:
wherein the lifting piece (13) is provided with a horizontal extending cross rod (131) in a penetrating way, two ends of the cross rod (131) are respectively provided with a second rolling piece (132), the two second rolling pieces (132) are respectively abutted with the upper ends of the two lifting rods (112),
the frame (15) is provided with two lifting grooves (153) for the two ends of the cross rod (131) to pass through, and the lifting grooves (153) extend along the vertical direction.
8. The lower die lifting mechanism of claim 7, wherein:
the elastic reset piece (14) comprises two tension springs (141), the upper ends of the two tension springs (141) are respectively buckled with the two ends of the cross rod (131), and the lower ends of the two tension springs are respectively buckled with the frame (15).
9. A lower die lifting mechanism according to any one of claims 1 to 3, further comprising:
a driving part (16) for driving the moving member (12) to move in the first direction or the opposite direction of the first direction,
wherein the driving unit (16) comprises:
a drive shaft (161);
a drive link part (162) having an input end connected to the drive shaft (161) and an output end connected to the moving member (12); and
and a driving source (163) for driving the driving shaft (161) to rotate.
10. A lower die structure of a riveting machine, characterized by comprising the lower die lifting mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320219851.XU CN219330818U (en) | 2023-01-17 | 2023-01-17 | Lower die lifting mechanism and lower die structure of riveting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320219851.XU CN219330818U (en) | 2023-01-17 | 2023-01-17 | Lower die lifting mechanism and lower die structure of riveting machine |
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| Publication Number | Publication Date |
|---|---|
| CN219330818U true CN219330818U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320219851.XU Active CN219330818U (en) | 2023-01-17 | 2023-01-17 | Lower die lifting mechanism and lower die structure of riveting machine |
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| Country | Link |
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| CN (1) | CN219330818U (en) |
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- 2023-01-17 CN CN202320219851.XU patent/CN219330818U/en active Active
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