阅读说明：本技术 一种钢板弹簧压包耳模装置 (Leaf spring presses package ear mould device ) 是由 王少菊 李安邦 周锋 马冲 阎苗 孙玉荣 刘勇钥 于 2018-06-14 设计创作，主要内容包括：一种钢板弹簧压包耳模装置,属于钢板弹簧生产设备技术领域。其特征在于：包括上模(1)、设置在上模(1)下侧的下模(3)以及设置在下模(3)前侧的定位机构(4),在上模(1)的下侧和下模(3)的上侧之间设置有用于在钢板弹簧端部压制出包耳的压包耳机构；定位机构(4)包括设置在下模(3)前部一侧的侧定位块以及设置在侧定位块前侧的定位销(10),侧定位块与下模(3)相连,定位销(10)设置在下模(3)中部。本钢板弹簧压包耳模装置定位机构能够对钢板弹簧进行定位,使包耳压制效率高,一致性高,也提高了包耳的合格率,钢板弹簧生产时中部会设置通孔,加工的钢板弹簧精度高,保证产品的合格率高。(A leaf spring pressing and ear wrapping die device belongs to the technical field of leaf spring production equipment. The method is characterized in that: the steel plate spring pressing device comprises an upper die (1), a lower die (3) arranged on the lower side of the upper die (1) and a positioning mechanism (4) arranged on the front side of the lower die (3), wherein a plate spring pressing lug mechanism for pressing a plate spring end part into a plate spring is arranged between the lower side of the upper die (1) and the upper side of the lower die (3); the positioning mechanism (4) comprises a side positioning block arranged on one side of the front part of the lower die (3) and a positioning pin (10) arranged on the front side of the side positioning block, the side positioning block is connected with the lower die (3), and the positioning pin (10) is arranged in the middle of the lower die (3). This leaf spring presses package ear mould device positioning mechanism can fix a position leaf spring, makes package ear suppression efficient, and the uniformity is high, has also improved the qualification rate of package ear, and the middle part can set up the through-hole during leaf spring production, and the leaf spring precision of processing is high, guarantees the high qualification rate of product.)

1. The utility model provides a leaf spring presses package ear mould device which characterized in that: the steel plate spring pressing device comprises an upper die (1), a lower die (3) arranged on the lower side of the upper die (1) and a positioning mechanism (4) arranged on the front side of the lower die (3), wherein a plate spring pressing lug mechanism for pressing a plate spring end part into a plate spring is arranged between the lower side of the upper die (1) and the upper side of the lower die (3); the positioning mechanism (4) comprises a side positioning block arranged on one side of the front part of the lower die (3) and a positioning pin (10) arranged on the front side of the side positioning block, the side positioning block is connected with the lower die (3), and the positioning pin (10) is arranged in the middle of the lower die (3).

2. The leaf spring ear die device of claim 1, wherein: the ear pressing mechanism comprises a boss (5) arranged on the upper side of the lower die (3) and a groove (13) arranged on the lower side of the upper die (1), the cross section of the groove (13) is arc-shaped with the concave middle part, and the cross section of the boss (5) is arc-shaped with the convex middle part.

3. The leaf spring ear die device of claim 1, wherein: the ear pressing mechanism comprises a groove (13) arranged on the upper side of the lower die (3) and a boss (5) arranged on the lower side of the upper die (1), the cross section of the groove (13) is arc-shaped with the concave middle part, and the cross section of the boss (5) is arc-shaped with the convex middle part.

4. The leaf spring ear die device of claim 1, wherein: the side locating block comprises an installation block (6) and a side locating bolt (7) arranged on the installation block (6), the installation block (6) is arranged on one side of the lower die (3), the side locating bolt (7) is in threaded connection with the installation block (6), and the side locating bolt (7) is horizontally arranged.

5. The leaf spring ear die device of claim 1, wherein: positioning mechanism (4) still include translation frame (9), feed rod (8) and lead screw (11), feed rod (8) set up along the fore-and-aft direction level, the rear end and lower mould (3) fixed connection of feed rod (8), translation frame (9) slidable mounting is on feed rod (8), lead screw (11) and feed rod (8) parallel arrangement, the rear end and lower mould (3) of lead screw (11) rotate to be connected, translation frame (9) and lead screw (11) threaded connection, the front end of lead screw (11) is provided with controls portion (1101), locating pin (10) set up the upside in translation frame (9).

6. The leaf spring ear die device of claim 5, wherein: the two feed rods (8) are symmetrically arranged at two sides of the screw rod (11).

7. The leaf spring ear die device according to claim 5 or 6, wherein: the front end of the feed rod (8) is provided with a fixed block (12), and the front end of the lead screw (11) is rotationally connected with the fixed block (12).

Technical Field

A leaf spring pressing and ear wrapping die device belongs to the technical field of leaf spring production equipment.

Background

When the leaf spring is produced, the end part of the second leaf spring at the upper side needs to be provided with a leaf spring lug so as to protect the sleeve at the end part of the first leaf spring. The existing steel plate spring lug machining needs special equipment for machining no matter the size of the steel plate spring lug, so that the efficiency is low, the machining consistency is poor, and the qualification rate of products is low.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: overcome prior art's not enough, provide one kind and can fix a position leaf spring to the leaf spring who presses out the package ear through the mould at leaf spring tip presses a package ear mould device.

The technical scheme adopted by the invention for solving the technical problems is as follows: this leaf spring presses package ear mould device, its characterized in that: the device comprises an upper die, a lower die arranged on the lower side of the upper die and a positioning mechanism arranged on the front side of the lower die, wherein a lug pressing mechanism for pressing a lug at the end part of a steel plate spring is arranged between the lower side of the upper die and the upper side of the lower die; the positioning mechanism comprises a side positioning block arranged on one side of the front part of the lower die and a positioning pin arranged on the front side of the side positioning block, the side positioning block is connected with the lower die, and the positioning pin is arranged in the middle of the lower die.

Preferably, the lug pressing mechanism comprises a boss arranged on the upper side of the lower die and a groove arranged on the lower side of the upper die, the cross section of the groove is in an arc shape with the concave middle part, and the cross section of the boss is in an arc shape with the convex middle part.

Preferably, the lug pressing mechanism comprises a groove arranged on the upper side of the lower die and a boss arranged on the lower side of the upper die, the cross section of the groove is in an arc shape with the concave middle part, and the cross section of the boss is in an arc shape with the convex middle part.

Preferably, the side locating block comprises an installation block and a side locating bolt arranged on the installation block, the installation block is arranged on one side of the lower die, the side locating bolt is in threaded connection with the installation block, and the side locating bolt is horizontally arranged.

Preferably, positioning mechanism still include translation frame, feed rod and lead screw, the feed rod sets up along fore-and-aft direction level, the rear end and the lower mould fixed connection of feed rod, translation frame slidable mounting is on the feed rod, lead screw and feed rod parallel arrangement, the rear end and the lower mould of lead screw rotate to be connected, translation frame and lead screw threaded connection, the front end of lead screw is provided with the portion of controlling, the locating pin setting is at the upside of translation frame.

Preferably, the two parallel feed rods are symmetrically arranged on two sides of the screw rod.

Preferably, the front end of the feed screw is provided with a fixed block, and the front end of the screw rod is rotatably connected with the fixed block.

Compared with the prior art, the invention has the beneficial effects that:

1. this leaf spring presses package ear mould device's last mould and lower mould between be provided with presses package ear mechanism, can directly suppress the package ear at leaf spring's tip, positioning mechanism can fix a position leaf spring, it is efficient to make the package ear suppression, the uniformity is high, the qualification rate of package ear has also been improved, the middle part can set up the through-hole during leaf spring production, the locating pin stretches into in the through-hole, and cooperate the side locating piece, the location of steel sheet cover spring has been realized, the leaf spring precision of assurance processing is high, and then the qualification rate of assurance product is high.

2. The lug bosses are matched with the grooves, the end parts of the leaf springs are pressed to form the lug bosses, the pressing speed is high, and the lug bosses are matched with the positioning mechanisms to ensure that the pressing accuracy is high and the consistency is good.

3. The side positioning bolt realizes the positioning of the steel plate spring and is in threaded connection with the mounting block, so that the position of the side positioning bolt is conveniently adjusted to adapt to the positioning of different steel plate springs.

4. The lead screw promotes translation frame translation, has realized the regulation to the locating pin position then to adapt to different leaf spring's location, the polished rod can lead translation frame, guarantees translation frame rectilinear movement, and then guarantees that the locating pin aligns with the middle part of lower sword, guarantees the location accuracy, has also guaranteed that the leaf spring's of processing precision is high.

Drawings

Fig. 1 is a front cross-sectional view of a leaf spring ear mold pressing device.

Fig. 2 is a schematic top view of the positioning mechanism.

In the figure: 1. the device comprises an upper die 2, a lower die plate 3, a lower die 4, a positioning mechanism 5, a boss 6, an installation block 7, a side positioning bolt 8, a feed rod 9, a translation frame 10, a positioning pin 11, a lead screw 1101, a control part 12, a fixing block 13 and a groove.

Detailed Description

FIG. 1 ~ 2 shows a preferred embodiment of the present invention, which is further described below with reference to FIG. 1 ~ 2.

A leaf spring presses and wraps the ear mould device, including the upper die 1, lower die 3 set up in the inferior side of upper die 1 and locating mechanism 4 set up in the anterior side of lower die 3, press and wrap the ear mechanism used for pressing and wrapping the ear in the end of leaf spring between inferior side of upper die 1 and upside of lower die 3; the positioning mechanism 4 comprises a side positioning block arranged on one side of the front part of the lower die 3 and a positioning pin 10 arranged on the front side of the side positioning block, the side positioning block is connected with the lower die 3, and the positioning pin 10 is arranged in the middle of the lower die 3. This leaf spring presses package ear mould device's last mould 1 and lower mould 3 between be provided with and presses package ear mechanism, can directly suppress the package ear at leaf spring's tip, positioning mechanism 4 can fix a position leaf spring, it is efficient to make the package ear suppression, the uniformity is high, the qualification rate of package ear has also been improved, the middle part can set up the through-hole during leaf spring production, locating pin 10 stretches into in the through-hole, and cooperation side locating piece, the location of steel sheet cover spring has been realized, the leaf spring precision of assurance processing is high, and then the qualification rate of assurance product is high.

The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.

Specifically, the method comprises the following steps: as shown in fig. 1: go up mould 1 and lower mould 3 and be the cuboid, the upper portion of going up mould 1 is provided with the connecting portion that are used for linking to each other with the punch press, and the downside of lower mould 3 is provided with lower bolster 2, and lower bolster 2 passes through bolt and 3 detachable fixed connection of lower mould, lower bolster 2 and the workstation fixed connection of punch press.

Press package ear mechanism including setting up at the recess 13 of last mould 1 downside and setting up boss 5 at 3 upsides of lower mould, the cross-section of recess 13 is the arc of middle part indent, and recess 13 is the column groove that sets up along the horizontal direction, and 5 cross-sections of boss also are the arc of middle part epirelief, and boss 5 also is the arc that the level set up, and boss 5 also is the column that sets up along the horizontal direction. In the present embodiment, the left side of the upper die 1 is the rear side of the upper die 1, and the right side of the upper die 1 is the front side of the upper die 1; the left side of the lower die 3 is the rear end of the lower die 3, and the right side of the lower die 3 is the front side of the lower die 3. It is also possible to provide the boss 5 on the lower side of the upper die 1 and the recess 13 on the upper side of the lower die 3.

As shown in fig. 2: the positioning mechanism 4 comprises a side positioning block, a positioning pin 10, a polished rod 8, a lead screw 11 and a translation frame 9. 8 parallel of feed rod are equipped with two, 8 equal levels of two feed rods and interval setting, 8 left ends of feed rod and the front end fixed connection of lower mould 3, translation frame 9 and 8 sliding connection of two feed rods, lead screw 11 sets up at 8 middle parts of two feed rods, and lead screw 11 and 8 parallel arrangement of feed rod, the rear end of lead screw 11 rotates with the front side of lower mould 3 to be connected, translation frame 9 and lead screw 11 threaded connection rotate lead screw 11 and can realize the translation of translation frame 9. Fixed block 12 is installed to the right-hand member of polish rod 8, and fixed block 12 and polish rod 8's right-hand member fixed connection, lead screw 11's right-hand member pass fixed block 12 and stretch out, and lead screw 11 rotates with fixed block 12 to be connected, is provided with square control portion 1101 on the lead screw 11 on fixed block 12 right side, can rotate lead screw 11 through the spanner, and then adjusts the position of translation frame 9 to the leaf spring of adaptation variation in size. The positioning pin 10 is vertically arranged in the middle of the upper side of the translation frame 9, and the diameter of the positioning pin 10 is slightly smaller than the inner diameter of the through hole in the steel plate spring. The side locating piece includes side positioning bolt 7 on installation piece 6 and the installation piece 6, and the lower part and the lower bolster 2 fixed connection of installation piece 6, side positioning bolt 7 level set up, and side positioning bolt 7 is perpendicular with the axis of polished rod 8, and side positioning bolt 7 fixes a position leaf spring from leaf spring's both sides, guarantees the location accuracy. The side positioning bolt 7 is connected with the mounting block 6 through threads, so that the position of the side positioning bolt 7 can be adjusted to adapt to machining of steel plate springs with different sizes. In the present embodiment, the right side of the lower mold 3 is the front side of the lower mold 3, and the left side of the lower mold 3 is the rear side of the lower mold 3.

During the use, make locating pin 10 insert in leaf spring's the through-hole, locating pin 10 carries on spacingly to leaf spring's front and back and left and right sides direction, makes leaf spring's lateral part side positioning bolt 7 laminate mutually again, realizes the location to leaf spring left and right sides direction to guarantee to put leaf spring upright, thereby accomplish leaf spring's location, guarantee that the leaf spring package ear size of processing is accurate, the qualification rate is high.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.