CN215237127U

CN215237127U - Trimming die

Info

Publication number: CN215237127U
Application number: CN202120695093.XU
Authority: CN
Inventors: 林孝发; 林孝山; 黄德凤
Original assignee: Jomoo Kitchen and Bath Co Ltd
Current assignee: Jomoo Kitchen and Bath Co Ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-12-21
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a trimming die, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die plate and a trimming upper punch arranged on the upper die plate, and the lower die assembly comprises a lower die plate and a trimming lower punch which are positioned below the upper die plate; the upper die assembly further comprises a pushing piece fixed on the upper die plate, the lower die assembly further comprises a pry bar, the pry bar is arranged on the lower die plate in a seesaw mode, the trimming lower punch can be arranged on the upper die plate in a vertically movable mode and is matched with one end of the pry bar, and the pry bar is pushed by the pushing piece along with the downward movement of the upper die assembly, so that one end of the pry bar upwards pries the trimming lower punch. The utility model discloses utilize lever principle drive side cut lower punch, realize the synchronous blanking of drift and side cut lower punch on the side cut, simple installation, simple structure to solved the tradition and adopted the one-way weak point of cuting of mould, adopting the drive of oblique slider to exist.

Description

Trimming die

Technical Field

The utility model relates to a mould especially relates to a side cut mould.

Background

The trimming die is used for trimming the edge of a product, so that the end face of the product is flat and attractive, and further assembly is facilitated. Most of the trimming dies in the prior art are one-way trimming, after one side of a product is cut, the other side of the product is cut reversely, the mode of twice cutting is low in working efficiency, two sets of dies need to be made, and the cost is high. Also some side cut moulds adopt bilateral synchronous cutting: some adopt the lower mould shearing motion of last mould, realize the relative motion of upper and lower mould to realize bilateral synchronous cutting, some adopt oblique slider to drive the side cut lower punch upward motion, realize bilateral synchronous cutting. However, the mode of realizing the relative motion of the upper die and the lower die by downward shearing of the upper die has the problem of large motion stroke of the upper die, and the mode of driving the inclined slide block has the following defects: the inclined slide block is driven by an angle, is stressed greatly, is easy to be blocked, and has high processing difficulty and high precision requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that prior art exists, a side cut mould is provided.

The utility model provides a technical scheme that its technical problem adopted is: the trimming die comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die plate and a trimming upper punch arranged on the upper die plate, and the lower die assembly comprises a lower die plate and a trimming lower punch which are positioned below the upper die plate; the upper die assembly further comprises a pushing piece fixed on the upper die plate, the lower die assembly further comprises a pry bar, the pry bar is arranged on the lower die plate in a seesaw mode, the trimming lower punch can be arranged on the upper die plate in a vertically movable mode and is matched with one end of the pry bar, and the pry bar is pushed by the pushing piece along with the downward movement of the upper die assembly, so that one end of the pry bar upwards pries the trimming lower punch.

Further, the lower die assembly also comprises a resetting component for driving the lower trimming punch to reset downwards, and the resetting component is connected with the lower die plate and/or the lower trimming punch.

Furthermore, the reset component comprises a spring, the spring is sleeved on a pillar fixed on the lower template, the upper end of the spring is connected to the lower trimming punch, and the lower end of the spring is connected to the bottom of the pillar.

Further, the support column is a bolt, the bolt is fixed on the lower template through a nut, and the head of the bolt faces downwards.

Further, go up the mould subassembly still including set up in the last spacing post of cope match-plate pattern, the lower mould subassembly still including set up in the lower spacing post of lower bolster, go up the one-to-one from top to bottom of spacing post and lower spacing post, and when last spacing post contacts with lower spacing post, the drift is not contacted with the lower punch of cutting edge on the cutting.

Furthermore, the lower die assembly further comprises an ejection mechanism, and the ejection mechanism is arranged on the lower die plate to eject the product after trimming is completed.

Furthermore, the ejection mechanism comprises an ejection cylinder and an ejector pin used for ejecting a product, the ejection cylinder is arranged on the lower template, and a piston rod of the ejection cylinder is fixedly connected with the ejector pin so as to drive the ejector pin to move in a telescopic manner.

Further, the lower die assembly further comprises a trimming positioning block for positioning a product, and the trimming positioning block is arranged on the lower die plate; the trimming positioning block is provided with an inserting lug for inserting and positioning a product; the lower die assembly further comprises a supporting block for supporting a product, and the supporting block is arranged on the lower die plate.

Further, a first guide mechanism for guiding the upper template to move up and down is matched between the upper template and the lower template; and a second guide mechanism for guiding the vertical movement of the lower trimming punch is matched between the lower template and the lower trimming punch.

Furthermore, the number of the pushing pieces and the number of the pry bars are respectively two, and the two pry bars are distributed in parallel and correspond to the two pushing pieces one by one.

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

1. the utility model discloses the pinch bar that is seesaw form on the impeller of utilizing last mould subassembly and the lower mould subassembly drives the side cut lower punch upward movement, can realize bilateral synchronous cutting to solved the tradition and adopted the one-way weak point of cuting, adopting the drive of slider to one side of last mould and existing.

2. The cooperation has reset unit between side cut lower punch and the cope match-plate pattern for order about the side cut lower punch resets downwards, makes the utility model discloses can realize side cut lower punch automatic re-setting to in the operation of next side cut, thereby further improve work efficiency.

3. The upper limit column and the lower limit column are arranged, so that the punch on the trimming edge can be prevented from being damaged due to the contact of the punch and the lower punch on the trimming edge.

4. The utility model discloses further include liftout mechanism makes the utility model discloses after the product cuts edge completely, can be automatic ejecting with the product to both improve the security of work, also further improve work efficiency.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the trimming die of the present invention is not limited to the embodiment.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

fig. 2 is a schematic perspective view of an upper die assembly according to the present invention;

FIG. 3 is a schematic perspective view of a lower mold assembly according to the present invention (partially omitted, including a driving member);

FIG. 4 is a schematic perspective view of a lower mold assembly according to the present invention;

fig. 5 is a schematic perspective view of the present invention;

fig. 6 is a first cross-sectional view of the present invention;

fig. 7 is a second cross-sectional view of the present invention.

Detailed Description

In the embodiment, please refer to fig. 1 to 7, the trimming die of the present invention comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die plate 1 and a trimming upper punch 2 arranged at the bottom end of the upper die plate 1, and the lower die assembly comprises a lower die plate 4 and a trimming lower punch 5 which are arranged right below the upper die plate 1; the upper die assembly further comprises a pushing piece 3 fixed on the upper die plate 1, the lower die assembly further comprises a pry bar 6, the pry bar 6 is arranged on the lower die plate 4 in a seesaw mode, the trimming lower punch 5 can be arranged on the upper die plate 1 in a vertically movable mode and is matched with one end of the pry bar 6, along with downward movement of the upper die assembly, the other end of the pry bar 6 is pushed by the pushing piece 3, and one end of the pry bar 6 enables the trimming lower punch 5 to be pried upwards.

In this embodiment, the lower die assembly further comprises a resetting component for driving the lower trimming punch 5 to reset downwards, and the resetting component is connected with the lower die plate 4 and/or the lower trimming punch 5. The reset component specifically comprises a spring 7, the spring 7 is sleeved on a pillar fixed on the lower template 4, the upper end of the spring 7 is connected to the lower trimming punch 5, and the lower end of the spring 7 is connected to the bottom of the pillar. The support is a bolt 71, and the bolt 71 is fixed to the upper formwork 1 by a nut 72 with its head facing downward.

In this embodiment, go up the mould subassembly still including set up in the last spacing post 8 of cope match-plate pattern 1, the lower mould subassembly still including set up in the lower spacing post 81 of lower bolster 4, go up spacing post 8 and lower spacing post 81 one-to-one from top to bottom, and when last spacing post 8 contacts with lower spacing post 81, drift 2 and the contactless of side cut lower punch 5 on the side cut. The number of the upper and

lower restricting posts

8 and 81 is two, respectively, but not limited thereto. The two upper limiting columns 8 are respectively arranged at two ends of the upper template 1 in the length direction, and the two lower limiting columns 81 are respectively arranged at two ends of the lower template 4 in the length direction.

In this embodiment, the lower die assembly further includes an ejection mechanism 9, and the ejection mechanism 9 is disposed on the lower die plate 4 to eject the product after trimming. The material ejecting mechanism 9 comprises an ejecting cylinder 91 and an ejector pin 92 used for ejecting a product, the ejecting cylinder 91 is arranged on the lower template 4, and a piston rod of the ejecting cylinder 91 is fixedly connected with the ejector pin 92 through a fixing plate 93 so as to drive the ejector pin 92 to move in a telescopic manner.

In this embodiment, the lower die assembly further includes a trimming positioning block 10 for positioning a product, and the trimming positioning block 10 is disposed on the lower die plate 4; one end of the trimming positioning block 10, which faces away from the material ejecting cylinder 91, is provided with an inserting projection 101 for inserting and positioning a product. The lower die assembly further comprises a supporting block 11 for supporting a product, and the supporting block 11 is arranged on the lower die plate 4. The trimming positioning block 10 is approximately positioned between the thimble 92 seat and the trimming lower punch 5, and one end of the thimble 92 far away from the liftout cylinder 91 respectively penetrates through the trimming positioning block 10. The supporting block 11 is positioned on one side of the trimming lower punch 5 back to the ejecting cylinder 91.

In this embodiment, a first guide mechanism 12 for guiding the up-and-down movement of the upper template 1 is matched between the upper template 1 and the lower template 4; and a second guide mechanism for guiding the vertical movement of the lower trimming punch 5 is matched between the lower template 4 and the lower trimming punch 5. The first guiding mechanism 12 specifically includes a plurality of guide sleeves 121 and a plurality of guide pillars 122, the upper ends of the guide sleeves 121 are respectively fixed to the upper mold plate 1, the lower ends of the guide pillars 122 are respectively fixed to the lower mold plate 4, and the guide sleeves 121 and the guide pillars 122 are in one-to-one correspondence from top to bottom and are slidably sleeved together. The number of the guide sleeves 121 and the guide pillars 122 is two, the two guide sleeves 121 are respectively located at two ends of the upper template 1 in the length direction, and the two guide pillars 122 are located at two ends of the lower template 4 in the length direction. The second guide mechanism specifically comprises two guide blocks 13, the two guide blocks 13 are oppositely arranged on the lower template 4, the trimming lower punch 5 is positioned between the two guide blocks 13, and two ends of the trimming lower punch 5 in the length direction are respectively in sliding contact fit with the two guide blocks 13 along the up-down direction.

In this embodiment, the number of the pushing members 3 and the number of the pry bars 6 are two, and the two pry bars 6 are distributed in parallel and correspond to the two pushing members 3 one by one. The two pry bars 6 are approximately positioned at two opposite sides of the trimming positioning block 10, each pry bar 6 is rotatably connected with two fixing seats 15 by adopting a rotating shaft 14, and the two fixing seats 15 are positioned at two opposite sides of the pry bar 6 and are embedded on the lower template 4. The lower template 4 is provided with an avoiding hole 41 corresponding to the prying bar 6. The two pushing pieces 3 are respectively in a rod-shaped structure extending downwards.

The utility model discloses a side cut mould uses with the punch press cooperation, go up the mould subassembly and be driven by the punch press promptly. During operation ensures the utility model discloses a side cut mould is good at punch press facial make-up, has connect liftout cylinder 91 trachea after, starts the board, and the product 16 of taking the needs side cut puts into side cut locating piece 10 to put in place. Next, the die closing key of the machine table is pressed by both hands to move the upper die assembly downward, when the driving member contacts the pry bar 6, the pry bar 6 rotates around the rotating shaft 14, and one end of the pry bar upwardly prys the trimming lower punch 5, so that the trimming lower punch 5 slides upwardly under the guide of the two guide blocks 13 to form a punching force, and the product 16 is punched in the opposite direction. When the trim lower punch 5 is brought into contact with the product 16, the trim upper punch 2 is also brought into contact with the product 16 at the same time, so that the trim upper punch 2 and the trim lower punch substantially simultaneously. When the upper limit column 8 and the lower limit column 81 are pressed against each other, the blanking is completed, and the waste materials are already punched out. Next, the punch drives the upper die assembly to rise, and when the pushing member 3 is disengaged from the pry bar 6, the lower trimming punch 5 is pulled back by the spring 7, and the pry bar 6 is also driven by the lower trimming punch 5 in the reverse direction to return. When the upper die assembly rises to a certain distance, the ejector cylinder 91 is started to drive the ejector pin 92 to extend out, so that the product 16 is ejected out by a certain distance, and at the moment, the worker stretches out to take out the product 16 and puts the product into a frame to complete the blanking action.

The utility model discloses a side cut mould, it utilizes lever principle drive side cut lower punch 5, realizes the synchronous blanking of drift 2 and side cut lower punch 5 on the side cut, simple installation, simple structure to solved the tradition and adopted the one-way weak point of cuting, adopting oblique slider drive to exist of mould.

The above-mentioned embodiment is only used to further illustrate the utility model discloses a trimming die, but the utility model discloses do not limit to the embodiment, all according to the utility model discloses a technical entity does any simple modification, equivalent change and modification to above embodiment, all fall into the protection scope of the technical scheme of the utility model.

Claims

1. The trimming die comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die plate and a trimming upper punch arranged on the upper die plate, and the lower die assembly comprises a lower die plate and a trimming lower punch which are positioned below the upper die plate; the method is characterized in that: the upper die assembly further comprises a pushing piece fixed on the upper die plate, the lower die assembly further comprises a pry bar, the pry bar is arranged on the lower die plate in a seesaw mode, the trimming lower punch can be arranged on the upper die plate in a vertically movable mode and is matched with one end of the pry bar, and the pry bar is pushed by the pushing piece along with the downward movement of the upper die assembly, so that one end of the pry bar upwards pries the trimming lower punch.

2. The trimming die of claim 1, wherein: the lower die assembly also comprises a resetting component for driving the trimming lower punch to reset downwards, and the resetting component is connected with the lower die plate and/or the trimming lower punch.

3. The trimming die of claim 2, wherein: the reset component comprises a spring, the spring is sleeved on a pillar fixed on the lower template, the upper end of the spring is connected with the trimming lower punch, and the lower end of the spring is connected with the bottom of the pillar.

4. The trimming die of claim 3, wherein: the support column is a bolt which is fixed on the lower template through a nut, and the head of the bolt faces downwards.

5. The trimming die of claim 1, wherein: go up the mould subassembly still including set up in the last spacing post of cope match-plate pattern, the lower mould subassembly still including set up in the lower spacing post of lower bolster, go up spacing post and lower spacing post one-to-one from top to bottom, and when last spacing post and lower spacing post contact, the drift does not contact with the lower punch of cutting edge on the incision.

6. The trimming die of claim 1, wherein: the lower die assembly further comprises a material ejecting mechanism, and the material ejecting mechanism is arranged on the lower die plate and used for ejecting the product after the trimming is finished.

7. The trimming die of claim 6, wherein: the ejection mechanism comprises an ejection cylinder and an ejector pin used for ejecting a product, the ejection cylinder is arranged on the lower template, and a piston rod of the ejection cylinder is fixedly connected with the ejector pin so as to drive the ejector pin to move in a telescopic mode.

8. The trimming die of claim 1, wherein: the lower die assembly also comprises a trimming positioning block for positioning a product, and the trimming positioning block is arranged on the lower die plate; the trimming positioning block is provided with an inserting lug for inserting and positioning a product; the lower die assembly further comprises a supporting block for supporting a product, and the supporting block is arranged on the lower die plate.

9. The trimming die of claim 1, wherein: a first guide mechanism for guiding the upper template to move up and down is matched between the upper template and the lower template; and a second guide mechanism for guiding the vertical movement of the lower trimming punch is matched between the lower template and the lower trimming punch.

10. The trimming die of claim 1, wherein: the number of the pushing pieces and the number of the pry bars are two respectively, and the two pry bars are distributed in parallel and correspond to the two pushing pieces one by one.