SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem mentioned in the background art, an embodiment of the present invention provides a stamping die with a material sheet misplacement prevention function, which includes an upper die assembly and a lower die assembly, wherein the lower die assembly includes a first die insert, a second die insert, an ejector block, a spring set and a base, the first die insert and the second die insert are both fixedly connected to the base, the ejector block is connected to the base through the spring set, the ejector block is located between the two die inserts, a sliding space is provided at a lower end of the first die insert, a sliding channel is provided directly above the sliding space of the first die insert, and an upper end of the sliding channel is flush with an upper surface of the die insert;
the die assembly is characterized by further comprising an elastic positioning device, the elastic positioning device comprises a cylinder body, a piston rod, a spring and an L-shaped positioning rod, the lower end of the cylinder body is fixedly connected to a base of the lower die assembly, a sliding groove is formed in the side face, close to the first die insert, of the cylinder body, the spring is vertically arranged inside the cylinder body, the bottom end of the spring is fixedly connected to the bottom end of the cylinder body, the lower end of the piston rod is located in the cylinder body, the bottom end of the piston rod is pressed against the upper end of the spring, and the upper end of the piston rod is located outside the cylinder body;
the L-shaped positioning rod comprises a linkage rod and a positioning rod, the linkage rod is fixedly connected with the positioning rod in a mutually perpendicular mode, one end of the linkage rod penetrates through the sliding groove and is fixedly connected to the piston rod, one end of the linkage rod, fixedly connected with the positioning rod, is located in a sliding space of the die insert, the positioning rod penetrates through a sliding channel in the die insert, and the top end of the positioning rod is higher than the top surface of the first die insert.
Optionally, the cylinder body upper end is provided with the retaining ring, the piston rod includes the first body of rod and the second body of rod, the external diameter of the first body of rod is less than or equal to the internal diameter of cylinder body, just the diameter of the first body of rod is greater than the internal diameter of retaining ring, the diameter of the second body of rod is less than or equal to the internal diameter of retaining ring, the first body of rod set up in the cylinder body, the second body of rod set up in outside the cylinder body.
Optionally, the upper end of the spring is fixedly connected with the bottom end of the piston rod.
The embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least:
when placing tablet 4 on die insert and ejector piece, locating hole cover on tablet 4 is on the locating lever of first die insert upper end, round hole and slotted hole on tablet 4 overlap respectively on two locating pins 5 on the ejector piece, thus, the position of placing of tablet 4 neither can the off tracking, also can not put anti-reversely, then, go up the module downstream, upward module applys decurrent pressure for the piston rod, the piston rod drives the gangbar downstream, the gangbar drives the locating lever downstream, when last module contacts tablet 4, the piston rod drives the locating lever and descends and makes the top of locating lever be less than the top surface of first die insert. Like this, when placing tablet 4, the locating lever can fix a position and mistake proofing put tablet 4, and when tablet 4 took place to deform under the cooperation of last mould assembly and lower mould assembly, the locating lever moved back to the top surface below of first die insert, can not hinder the slip that tablet 4 warp the production, has reduced the quantity of unqualified work piece, has improved the quality of work piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, and right" used generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
As shown in fig. 2-3, an embodiment of the utility model provides a stamping die with tablet mistake proofing function, this stamping die with tablet mistake proofing function includes upper die assembly 1, lower die assembly 2 includes first die insert 21, second die insert 22, liftout piece 23, spring assembly 24 and base 25, first die insert 21 and the equal fixed connection of second die insert 22 are on base 25, liftout piece 23 passes through spring assembly 24 to be connected on base 25, and liftout piece 23 is located between two die inserts, the lower extreme of first die insert 21 is provided with slide space 26, be provided with slide channel 27 directly over slide space 26 of first die insert 21, slide channel 27's upper end and die insert's upper surface parallel and level.
This stamping die still includes elastic positioning device 3, elastic positioning device 3 includes cylinder body 31, piston rod 32, spring 33, L type locating lever 34, the lower extreme fixed connection of cylinder body 31 is on lower die assembly 2's base 25, the perpendicular fixed connection of cylinder body 31 is on base 25, the side that cylinder body 31 is close to first die insert 21 is provided with the spout, spring 33 is vertical to be set up inside cylinder body 31, the bottom fixed connection of spring 33 is in cylinder body 31 bottom, the lower extreme of piston rod 32 is located cylinder body 31, and the bottom of piston rod 32 is pressed in spring 33 upper end, preferably, spring 33 upper end with the bottom fixed connection of piston rod 32, the upper end of piston rod 32 is located the cylinder body 31 outsidely. Thus, when pressure is applied to the upper end of the piston rod 32, the piston rod 32 compresses the spring 33 at the lower end, so that the spring 33 is compressively deformed, and the piston rod 32 as a whole moves downward.
Optionally, a retaining ring (not shown) is disposed at the upper end of the cylinder 31, the piston rod 32 includes a first rod 321 and a second rod 322, an outer diameter of the first rod 321 is smaller than or equal to an inner diameter of the cylinder 31, a diameter of the first rod 321 is larger than an inner diameter of the retaining ring, a diameter of the second rod 322 is smaller than or equal to an inner diameter of the retaining ring, the first rod 321 is disposed in the cylinder 31, and the second rod 322 is disposed outside the cylinder 31.
The L-shaped positioning rod 34 includes a linkage rod 341 and a positioning rod 342, the linkage rod 341 and the positioning rod 342 are perpendicular to each other and fixedly connected, and one end of the linkage rod 341 passes through the sliding slot and is fixedly connected to the piston rod 32, so that when the piston rod 32 moves up and down, the linkage rod 341 can move up and down along with the piston rod 32.
One end of the linkage rod 341 fixedly connected with the positioning rod 342 is located in the sliding space 26 of the die insert, the sliding space 26 of the die insert is a rectangular body, the height of the sliding space 26 is the same as that of the sliding groove of the cylinder body 31, the upper end of the sliding space 26 is provided with a sliding channel 27, the lower end of the sliding channel 27 is communicated with the upper end of the sliding space 26, the positioning rod 342 penetrates through the sliding channel 27 on the die insert, the top end of the positioning rod 342 is higher than the top surface of the first die insert 21, that is, the top surface of the first die insert 21 is provided with a hole, and the top end of the positioning rod 342 is exposed from the hole.
The utility model discloses a concrete implementation mode:
when placing tablet 4 on die insert and ejector piece, locating hole cover on tablet 4 is on the locating lever of first die insert upper end, round hole and slotted hole on tablet 4 overlap respectively on two locating pins 5 on the ejector piece, thus, the position of placing of tablet 4 neither can the off tracking, also can not put anti-reversely, then, go up the module downstream, upward module applys decurrent pressure for the piston rod, the piston rod drives the gangbar downstream, the gangbar drives the locating lever downstream, when last module contacts tablet 4, the piston rod drives the locating lever and descends and makes the top of locating lever be less than the top surface of first die insert. Like this, when placing tablet 4, the locating lever can fix a position and mistake proofing put tablet 4, and when tablet 4 took place to deform under the cooperation of last mould assembly and lower mould assembly, the locating lever moved back to the top surface below of first die insert, can not hinder the slip that tablet 4 warp the production, has reduced the quantity of unqualified work piece, has improved the quality of work piece.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.