CN215745839U - Thimble machining die capable of avoiding thimble from being bent - Google Patents

Abstract

The utility model belongs to the technical field of processing dies, and discloses a thimble processing die capable of avoiding thimble bending, which comprises a lower die holder and an upper die holder, wherein a clamping plate is arranged at the bottom of the upper die holder, a fixing plate is arranged at the bottom of the clamping plate, a plurality of thimbles are arranged in the fixing plate, two trigger alarms are symmetrically arranged at the bottom of the upper die holder, two first grooves are symmetrically formed in the clamping plate, first fixing blocks are respectively arranged in the two grooves, springs are embedded into the tops of the two first fixing blocks, lugs are respectively arranged on the outer walls of the two first fixing blocks, and detection rods are respectively arranged at the bottoms of the two first fixing blocks; according to the utility model, the first fixing block and the trigger alarm are arranged in the clamping plate, so that the mechanical structure of the device is further optimized and improved, a certain protection effect is provided for the thimble and the workpiece, and the practicability of the device is increased.

Description

Thimble machining die capable of avoiding thimble from being bent

Technical Field

The utility model belongs to the technical field of processing dies, and particularly relates to a thimble processing die capable of preventing a thimble from bending.

Background

When the existing workpiece needs to be processed for punching operation, a corresponding ejector pin processing die is needed.

But current thimble mold processing still has certain weak point, when the work piece put the position incorrect in the mould, if continue to punch a hole the operation to the work piece when, then can lead to the work piece to damage, probably cause the bending of thimble and scrap because of the angle of punching a hole reason not right even to cause unnecessary loss, it is exactly that current mould does not all possess fixed guider yet still, the inside fixing device that does not have of work piece secondary mold, cause certain puzzlement for work piece processing, staff's intensity of labour has been increased to a certain extent, the practicality of device is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ejector pin processing die capable of avoiding ejector pin bending so as to solve the problems of damage of the existing ejector pin bending and fixed guiding of a processed part.

In order to achieve the purpose, the utility model provides the following technical scheme: a thimble processing die capable of avoiding thimble bending comprises a lower die holder and an upper die holder, wherein a clamping plate is installed at the bottom of the upper die holder, a fixing plate is installed at the bottom of the clamping plate, a plurality of thimbles are installed inside the fixing plate, one ends of the thimbles penetrate through the fixing plate, two trigger alarms are symmetrically installed at the bottom of the upper die holder, two first grooves are symmetrically formed in the clamping plate, the two trigger alarms are respectively located inside the two first grooves, a first fixing block is installed inside the two grooves, the two first fixing blocks are respectively located below the two trigger alarms, springs are embedded into the tops of the two first fixing blocks, one ends of the two springs are connected with the bottom of the upper die holder and located on one side of the trigger alarms, and convex blocks are installed on the outer walls of the two first fixing blocks, two the bottom of first fixed block all installs the test bar, and two the one end of test bar all runs through splint and fixed plate in proper order, set up first through-hole on the die holder, and first through-hole is located the test bar under.

Preferably, the backing plate is installed at the top of lower bolster, and the backing plate is located the fixed plate under, the work piece has been placed at the top of backing plate, the inside of upper die base is run through and is fixed with two sets of guide pin bushings, and two sets of guide pin bushing symmetric distribution is in the both sides of splint, two sets of guide pillar are installed at the top of lower bolster, and two sets of guide pillar symmetric distribution is in the both sides of backing plate, and two sets of the outside of two sets of guide pillar is located to the guide pin bushing cover respectively.

Preferably, a plurality of second through holes are formed in the base plate, a plurality of third through holes are formed in the lower die holder, the second through holes and the third through holes are located on the same axis, and the second through holes are located under the ejector pins.

Preferably, two sets of second height limiting columns are installed at the bottom of the upper die base and are located on the outer sides of the two sets of guide sleeves.

Preferably, two sets of first height limiting columns are installed at the top of the lower die base, the two sets of first height limiting columns are located on the outer sides of the two sets of guide columns, and the first height limiting column and the second height limiting column of each set are located on the same axis.

Preferably, the mount is installed at the top of die holder, just the mount is located one side of backing plate, the cross section of mount is n shape, the internally mounted of mount has roll and second fixed block, roll and be located the below of second fixed block, and roll and rotate with the mount and be connected, three cover piece, every are installed to the bottom equidistance of second fixed block the inside of cover piece all installs the ball, and the work piece is injectd between ball and roll.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the first fixing block and the trigger alarm are arranged in the clamping plate, the mechanical structure of the device is further optimized and improved, the first fixing block rises to compress the spring, so that the convex block arranged on the outer wall of the fixing block touches and extrudes the trigger alarm, the trigger alarm gives an alarm to remind a worker that the workpiece is incorrectly placed, the workpiece and the thimble are possibly damaged by continuously punching, the whole die is scrapped and damaged, the thimble and the workpiece are protected to a certain extent by installing the corresponding protection device, and the practicability of the device is increased.

(2) According to the utility model, the rolling and the rolling balls are arranged in the fixing frame, the mechanical structure of the device is further optimized, when a workpiece is clamped on the fixing frame, the upper surface and the lower surface of the workpiece are respectively fixed by the rolling balls and the rolling balls in a tangent manner, and the workpiece can move forwards through the rotation of the workpiece, so that a worker can punch the workpiece more easily and conveniently, and the practicability of the device is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is a side view of the present invention;

FIG. 5 is a front view of the present invention;

in the figure: 1. a lower die holder; 2. a base plate; 3. a fixing plate; 4. a splint; 5. an upper die holder; 6. a first height limiting column; 7. a second height limiting column; 8. a guide post; 9. a guide sleeve; 10. a fixed mount; 11. a thimble; 12. a detection lever; 13. a first fixed block; 14. a bump; 15. triggering an alarm; 16. a spring; 17. rolling; 18. a second fixed block; 19. sleeving blocks; 20. a ball bearing; 21. and (5) a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a thimble processing die for avoiding thimble bending comprises a lower die holder 1 and an upper die holder 5, wherein a clamping plate 4 is mounted at the bottom of the upper die holder 5, a fixing plate 3 is mounted at the bottom of the clamping plate 4, a plurality of thimbles 11 are mounted in the fixing plate 3, one ends of the thimbles 11 penetrate through the fixing plate 3, two trigger alarms 15 are symmetrically mounted at the bottom of the upper die holder 5, two first grooves are symmetrically formed in the clamping plate 4, the two trigger alarms 15 are respectively positioned in the two first grooves, first fixing blocks 13 are mounted in the two grooves, the two first fixing blocks 13 are respectively positioned below the two trigger alarms 15, springs 16 are embedded at the tops of the two first fixing blocks 13, one ends of the two springs 16 are respectively connected with the bottom of the upper die holder 5 and positioned at one side of the trigger alarms 15, and convex blocks 14 are mounted on the outer walls of the two first fixing blocks 13, detection pole 12 is all installed to the bottom of two first fixed blocks 13, and the one end of two detection poles 12 all runs through splint 4 and fixed plate 3 in proper order, first through-hole has been seted up on die holder 1, and first through-hole is located detection pole 12 under, the effect of triggering siren 15 lies in sending out the alarm and reminds the locating position of work piece 21 at present not right, continue the operation of punching a hole and probably push up the curved possibility of damaging thimble 11 and damaging work piece 21, through the alarm that triggers siren 15, all have certain guard action to thimble 11 and work piece 21.

Further, backing plate 2 is installed at the top of die holder 1, and backing plate 2 is located fixed plate 3 under, work piece 21 has been placed at the top of backing plate 2, the inside of upper die base 5 is run through and is fixed with two sets of guide pin bushings 9, and two sets of guide pin bushings 9 symmetric distribution are in the both sides of splint 4, two sets of guide pillar 8 are installed at the top of die holder 1, and two sets of 8 symmetric distribution of guide pillar in the both sides of backing plate 2, two sets of guide pin bushings 9 overlap respectively and locate two sets of 8 outsides of guide pillar, guide pillar 8 and guide pin bushing 9 are all guider, have corresponding guide effect, guide pillar 8 and guide pin bushing 9 cooperate the use to guarantee the correct compound die of upper die base 5 and die holder 1.

Furthermore, a plurality of second through holes are formed in the backing plate 2, a plurality of third through holes are formed in the lower die holder 1, each second through hole and each third through hole are located on the same axis, each second through hole is located under each ejector pin 11, when the workpiece 21 is correctly punched, the ejector pins 11 are located in the first through holes, the detection rods 12 are located in the third through holes, and the second through holes are used for facilitating the dropping of punched waste materials.

Specifically, two sets of second height limiting columns 7 are installed at the bottom of the upper die base 5, and the two sets of second height limiting columns 7 are located on the outer sides of the two sets of guide sleeves 9.

It is worth to say that two sets of first height-limiting columns 6 are installed at the top of the lower die holder 1, and two sets of first height-limiting columns 6 are located at the outer sides of the two sets of guide pillars 8, and each set of first height-limiting columns 6 and each set of second height-limiting columns 7 are located on the same axis, and the first height-limiting columns 6 and the second height-limiting columns 7 ensure the lowest positions of the upper die holder 5 and the lower die holder 1, so that the possibility that the upper die holder 5 and the lower die holder 1 extrude each other to damage the die is avoided.

Further, a fixing frame 10 is installed at the top of the lower die holder 1, the fixing frame 10 is located on one side of the base plate 2, the cross section of the fixing frame 10 is n-shaped, a rolling ring 17 and a second fixing block 18 are installed inside the fixing frame 10, the rolling ring 17 is located below the second fixing block 18, the rolling ring 17 is rotatably connected with the fixing frame 10, three sleeve blocks 19 are installed at the bottom of the second fixing block 18 at equal intervals, a ball 20 is installed inside each sleeve block 19, a workpiece 21 is limited between the ball 20 and the rolling ring 17, and the height of the fixing frame 10 is lower than the height between the upper die holder 5 and the lower die holder 1 during die assembly, so that correct die assembly of the upper die holder 5 and the lower die holder 1 is guaranteed.

The working principle and the using process of the utility model are as follows: when a workpiece 21 needs to be processed and punched, firstly, the upper die base 5 and the lower die base 1 are respectively fixed on the upper part and the lower part of a machine, the machine is started to pull the upper die base 5 and the lower die base 1 in a die closing state, one end of the workpiece 21 placed on the top of the backing plate 2 is inserted into the fixed frame 10 and passes through the middle of the rolling roller 17 and the rolling ball 20, the upper surface and the lower surface of the workpiece 21 are respectively tangent to the rolling ball 20 and the rolling roller 17, so that the workpiece 21 is effectively fixed and guided, after the workpiece 21 is placed, a mechanical device is started, when the upper die base 5 moves downwards, the detection rod 12 reaches the position of the first through hole before the thimble 11, if the detection rod 12 cannot reach the position of the first through hole, the detection rod 12 is pressed upwards to compress the first spring 16, the bump 14 arranged on the outer wall of the first fixed block 13 is pressed to trigger the alarm 15, so as to trigger the alarm 15 to give an alarm, reminding the worker that the position of the workpiece 21 is not required to be adjusted, stopping the mechanical device and adjusting the position of the workpiece 21 by the worker, avoiding the possibility that the workpiece 21 or the ejection pin 11 is damaged due to the fact that the position of the workpiece 21 is not required to be adjusted, and restarting the machine after adjusting the position of the workpiece 21 to continuously complete corresponding punching operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an avoid thimble mold processing of thimble top bend, includes die holder (1) and upper die base (5), its characterized in that: splint (4) are installed to the bottom of upper die base (5), fixed plate (3) are installed to the bottom of splint (4), the internally mounted of fixed plate (3) has a plurality of thimbles (11), a plurality of one end of thimble (11) all runs through fixed plate (3), two trigger sirens (15) are installed to the bottom symmetry of upper die base (5), two first recesses have been seted up to the internal symmetry of splint (4), and two trigger sirens (15) are located the inside of two first recesses respectively, first fixed block (13) are all installed to the inside of two recesses, and two first fixed block (13) are located the below of two trigger sirens (15) respectively, spring (16) are all installed in the top of two first fixed block (13), and two one end of spring (16) all is connected with the bottom of upper die base (5), and be located the one side of triggering siren (15), two lug (14), two are all installed to the outer wall of first fixed block (13) the test bar (12) are all installed to the bottom of first fixed block (13), and two the one end of test bar (12) all runs through splint (4) and fixed plate (3) in proper order, first through-hole has been seted up on die holder (1), and first through-hole is located test bar (12) under.

2. The mold for processing ejector pins of claim 1, wherein: backing plate (2) are installed at the top of die holder (1), and backing plate (2) are located under fixed plate (3), work piece (21) have been placed at the top of backing plate (2), the inside of upper die base (5) is run through and is fixed with two sets of guide pin bushing (9), and two sets of guide pin bushing (9) symmetric distribution is in the both sides of splint (4), two sets of guide pillar (8) are installed at the top of die holder (1), and two sets of guide pillar (8) symmetric distribution are in the both sides of backing plate (2), and are two sets of the outside of two sets of guide pillar (8) is located in cover respectively to guide pin bushing (9).

3. The mold for processing ejector pins of claim 2, wherein: a plurality of second through holes are formed in the backing plate (2), a plurality of third through holes are formed in the lower die holder (1), the second through holes and the third through holes are located on the same axis, and each second through hole is located under each ejector pin (11).

4. The mold for processing ejector pins of claim 2, wherein: two sets of second limit for height posts (7) are installed to the bottom of upper die base (5), and two sets of second limit for height posts (7) all are located the outside of two sets of guide pin bushings (9).

5. The mold for processing ejector pins of claim 4, wherein: two sets of first limit for height post (6) are installed to the top of die holder (1), and two sets of first limit for height post (6) all are located the outside of two sets of guide pillars (8), and every group first limit for height post (6) and second limit for height post (7) all are located same axial lead.

6. The mold for processing ejector pins of claim 2, wherein: mount (10) are installed at the top of die holder (1), just mount (10) are located one side of backing plate (2), the cross section of mount (10) is n shape, the internally mounted of mount (10) has roll (17) and second fixed block (18), roll (17) are located the below of second fixed block (18), and roll (17) and mount (10) rotate to be connected, three collets (19), every are installed to the bottom equidistance of second fixed block (18) the inside of collet (19) all installs ball (20), and work piece (21) are injectd between ball (20) and roll (17).

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