CN215033278U

CN215033278U - Mold protection device for cold forming of short rod part

Info

Publication number: CN215033278U
Application number: CN202121098423.3U
Authority: CN
Inventors: 汤斌杰; 熊亚萍; 雷雄杰; 张永广
Original assignee: Shanghai Dongfeng Automobile Fastener Co ltd
Current assignee: Shanghai Dongfeng Automobile Fastener Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-07
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a mould protection device for quarter butt part cold forming relates to cold-heading technical field, including dismantling the circle, mounting structure sets up in the one side of dismantling the circle, dismantle the circle opposite side install four sleeves all around, and telescopic top all installs and hold the oil box, the oiling structure sets up in the inside that holds the oil box, telescopic one side is provided with the retainer plate, and the inner wall of retainer plate has seted up a plurality of recesses, the equal sliding connection in inside of recess has the guide block, and one side of guide block all installs the tight pulley, the one end of tight pulley all extends to one side of retainer plate. The utility model discloses a deflector lengthens the extension spring, and the extension spring provides the power of a recovery, has increased the reaction force of part itself to the mould in other words, and then the condition of greatly reduced quarter butt bolt adhesion on the mould guarantees efficiency, has solved the problem of easy adhesion.

Description

Mold protection device for cold forming of short rod part

Technical Field

The utility model relates to a cold-heading technical field specifically is a mould protection device for quarter butt part cold forming.

Background

The cold heading process is a processing method for forming required parts by utilizing plastic deformation generated by metal under the action of external force and by means of a die, does not generate cutting metal pressure, and is very suitable for manufacturing short rod parts such as bolts and screws.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould protection device for short-bar part cold forming to take place the adhesion problem between the part that proposes in solving above-mentioned background art and the mould.

In order to achieve the above object, the utility model provides a following technical scheme: a mold protection device for cold forming of short rod parts comprises a disassembly ring, an installation structure which can facilitate replacement of the device, an oil injection structure which can automatically add lubricating oil, and an anti-adhesion structure which can prevent adhesion between a mold and a bolt;

the mounting structure is arranged on one side of the dismounting ring;

four sleeves are mounted on the periphery of the other side of the disassembling ring, oil storage boxes are mounted at the top ends of the sleeves, and the oil injection structure is arranged inside the oil storage boxes;

telescopic one side is provided with the retainer plate, and the inner wall of retainer plate has seted up a plurality of recesses, the equal sliding connection in inside of recess has the guide block, and one side of guide block all installs the locking wheel, the one end of locking wheel all extends to one side of retainer plate, the joint piece is all installed to the one end of guide block, and the one end of joint piece all extends to the inside of retainer plate, anti-sticking structure sets up in one side of retainer plate.

Preferably, anti-sticking structure includes the blotter, the inside one end of being close to the retainer plate of sleeve all installs the blotter, all be fixed with the movable rod around retainer plate one side, and the one end of movable rod all runs through to one side of blotter and install the deflector, the extension spring is all installed to the one end of deflector, and the one end of extension spring all is connected with the inside one end of sleeve.

Preferably, the sleeve and the guide plate are both cylindrical in shape, and the length of the inner diameter of the sleeve is equal to the length of the outer diameter of the guide plate.

Preferably, the mounting structure includes spacing groove, stopper, installation circle and connecting rod, the installation circle sets up in the one side of dismantling the circle, and the inside of installation circle has seted up a plurality of spacing grooves, the inside of spacing groove all is provided with the stopper, and the one end of stopper all is fixed with the connecting rod, the one end of connecting rod all is connected with the one side of dismantling the circle through the connecting piece.

Preferably, the connecting rods are arranged in four, and the connecting rods are distributed at equal angles relative to the center of the disassembling ring.

Preferably, the oiling structure includes mounting box, first oil leak hole, second oil leak hole and group piece, the mounting box is all installed in the inside bottom of oil storage box, and first oil leak hole has all been seted up to the both sides of mounting box, the inside of mounting box all is provided with group piece, and the bottom of group piece all extends to telescopic inside, the second oil leak hole has all been seted up to the both sides of group piece, and the one end of second oil leak hole all extends to the inside of group piece.

Preferably, the inside front and back both ends of mounting box have all been seted up the spout, the slider has all been seted up at both ends around dialling the piece, and dials and all constitutes sliding connection between piece and the mounting box through the sliding fit between slider and the spout.

Compared with the prior art, the utility model provides a pair of a mould protection device for stub part cold forming has following beneficial effect:

1. the utility model provides a sleeve, blotter, movable rod, deflector and extension spring utilize the removal of retainer plate for the movable rod drives the deflector directional removal in the sleeve, and then makes the deflector elongate the extension spring, and the extension spring provides a power of retrieving like this, has increased the reaction force of part itself to the mould, and then greatly reduced the condition of short-bar bolt adhesion on the mould, guarantees efficiency, and the blotter is then protected the deflector and is improved life, has solved the problem of easy adhesion;

2. the utility model provides a spacing groove, stopper, installation circle, connecting rod, recess, joint piece, tight pulley and guide block, through being connected the installation circle of device through mounting and mould cover, later aim at the stopper of device dismantlement circle one side and insert the spacing groove, and rotate it, later insert the joint piece in the groove that the mould was seted up in advance corresponding to the removal of guide block inside the recess, the tight pulley of locking simultaneously can be fixed the device fast, conveniently dismouting afterwards, the problem of inconvenient change is solved;

3. the utility model provides a mounting box, first oil leak hole, second oil leak hole and stirring piece, the removal that utilizes the deflector extrudees the second oil leak hole, make during the second oil leak hole gets into the mounting box, make first oil leak hole align with second oil leak hole, the lubricating oil that holds the inside injection in advance of oil box will be through stirring the inside sleeve that flows in of piece, lubricate the removal of deflector, the life of the device is prolonged, stirring the piece after the deflector and receiving gravity and make first oil leak hole and second oil leak hole dislocation down, the inconvenient problem of refueling has been solved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the mounting ring of the present invention;

FIG. 3 is a side view of the fixing ring of the present invention;

fig. 4 is a schematic view of a top-view cross-sectional structure of the oil injection structure of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a mounting structure; 101. a limiting groove; 102. a limiting block; 103. installing a ring; 104. a connecting rod; 2. an oil injection structure; 201. mounting a box; 202. a first oil leak hole; 203. a second oil leak hole; 204. a shifting block; 3. disassembling the ring; 4. a sleeve; 5. a cushion pad; 6. a movable rod; 7. a groove; 8. a stationary ring; 9. a clamping block; 10. a locking wheel; 11. a guide block; 12. an oil storage box; 13. a guide plate; 14. a tension spring.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-5, a mold protection device for cold forming of short rod parts comprises a disassembly ring 3, an installation structure 1 capable of facilitating replacement of the device, an oiling structure 2 capable of automatically adding lubricating oil, and an anti-sticking structure capable of preventing adhesion between a mold and a bolt;

the mounting structure 1 is arranged on one side of the dismounting ring 3;

four sleeves 4 are arranged on the periphery of the other side of the disassembling ring 3, oil storage boxes 12 are arranged at the top ends of the sleeves 4, and the oil injection structure 2 is arranged inside the oil storage boxes 12;

a fixing ring 8 is arranged on one side of the sleeve 4, a plurality of grooves 7 are formed in the inner wall of the fixing ring 8, guide blocks 11 are connected to the inner portions of the grooves 7 in a sliding mode, locking wheels 10 are mounted on one sides of the guide blocks 11, one ends of the locking wheels 10 extend to one sides of the fixing ring 8, clamping blocks 9 are mounted at one ends of the guide blocks 11, one ends of the clamping blocks 9 extend to the inner portion of the fixing ring 8, and anti-sticking structures are arranged on one sides of the fixing ring 8;

referring to fig. 1-5, a mold protection device for cold forming of short rod parts further comprises an anti-sticking structure, the anti-sticking structure comprises a cushion pad 5, the cushion pad 5 is mounted at one end of the interior of a sleeve 4 close to a fixed ring 8, movable rods 6 are fixed around one side of the fixed ring 8, one ends of the movable rods 6 penetrate through one side of the cushion pad 5 and are provided with guide plates 13, one ends of the guide plates 13 are provided with tension springs 14, and one ends of the tension springs 14 are connected with one ends of the interior of the sleeve 4;

the sleeve 4 and the guide plate 13 are both cylindrical, and the length of the inner diameter of the sleeve 4 is equal to the length of the outer diameter of the guide plate 13;

specifically, as shown in fig. 1, when the device works, the fixed ring 8 moves and the dismounting ring 3 is fixed, so that the movable rod 6 drives the guide plate 13 to move directionally in the sleeve 4, the guide plate 13 stretches the tension spring 14, the tension spring 14 provides a recovery force, the reaction force of the part per se on the die is increased, the adhesion condition of the short rod bolt on the die is greatly reduced, the efficiency is guaranteed, and the cushion pad 5 protects the guide plate 13 and prolongs the service life.

Example 2: the mounting structure 1 comprises limiting grooves 101, limiting blocks 102, a mounting ring 103 and connecting rods 104, the mounting ring 103 is arranged on one side of the dismounting ring 3, a plurality of limiting grooves 101 are formed in the mounting ring 103, the limiting blocks 102 are arranged in the limiting grooves 101, the connecting rods 104 are fixed at one ends of the limiting blocks 102, and one ends of the connecting rods 104 are connected with one side of the dismounting ring 3 through connecting pieces;

the number of the connecting rods 104 is four, and the connecting rods 104 are distributed at equal angles relative to the center of the disassembling ring 3;

specifically, as shown in fig. 1, 2 and 3, the mounting ring 103 of the device is connected with the mold sleeve through a fixing piece, then the limiting block 102 on one side of the device dismounting ring 3 is aligned with the limiting groove 101 to be inserted, and is rotated, then the clamping block 9 is inserted into the groove which is formed in advance in the corresponding mold by moving the guide block 11 in the groove 7, and meanwhile, the locking wheel 10 is locked to quickly fix the device, so that the device is convenient to disassemble and assemble afterwards.

Example 3: the oil injection structure 2 comprises a mounting box 201, first oil leakage holes 202, second oil leakage holes 203 and a shifting block 204, wherein the mounting box 201 is mounted at the bottom end inside the oil storage box 12, the first oil leakage holes 202 are formed in two sides of the mounting box 201, the shifting block 204 is arranged inside the mounting box 201, the bottom end of the shifting block 204 extends into the sleeve 4, the second oil leakage holes 203 are formed in two sides of the shifting block 204, and one end of each second oil leakage hole 203 extends into the shifting block 204;

the front end and the rear end of the interior of the mounting box 201 are both provided with sliding grooves, the front end and the rear end of the toggle block 204 are both provided with sliding blocks, and the toggle block 204 is in sliding connection with the mounting box 201 through sliding fit between the sliding blocks and the sliding grooves;

specifically, as shown in fig. 1, 4 and 5, when the guide plate 13 moves through the second oil leakage hole 203, the guide plate 13 may press the second oil leakage hole 203, so that the second oil leakage hole 203 enters the mounting box 201, and the first oil leakage hole 202 is aligned with the second oil leakage hole 203, so that the lubricating oil pre-injected into the oil storage box 12 flows into the sleeve 4 through the inside of the shifting block 204, and lubricates the movement of the guide plate 13, thereby prolonging the service life of the device, and when the guide plate 13 passes through the rear shifting block 204, the shifting block 204 falls under gravity to make the first oil leakage hole 202 and the second oil leakage hole 203 dislocate.

The working principle is as follows: when the device is used, firstly, the mounting ring 103 of the device is connected with the die sleeve through a fixing piece, then the limiting block 102 at one side of the device dismounting ring 3 is aligned with the limiting groove 101 to be inserted and rotated, then the clamping block 9 is inserted into the groove which is preset in the corresponding die by utilizing the movement of the guide block 11 in the groove 7, and simultaneously, the locking wheel 10 is locked to quickly fix the device, so that the device is convenient to dismount and mount later;

when the device works, the fixing ring 8 moves and the disassembling ring 3 is fixed, so that the movable rod 6 drives the guide plate 13 to directionally move in the sleeve 4, the guide plate 13 stretches the tension spring 14, the tension spring 14 provides a recovery force, the reaction force of a part to a die is increased, the condition that the short rod bolt is adhered to the die is greatly reduced, the efficiency is ensured, and the cushion pad 5 protects the guide plate 13 and prolongs the service life;

when the guide plate 13 moves to pass through the second oil leakage hole 203, the guide plate 13 can extrude the second oil leakage hole 203, so that the second oil leakage hole 203 enters the mounting box 201, the first oil leakage hole 202 is aligned with the second oil leakage hole 203, so that the lubricating oil injected in advance in the oil storage box 12 can flow into the sleeve 4 through the shifting block 204, the guide plate 13 is lubricated in movement, the service life of the device is prolonged, and when the guide plate 13 passes through the rear shifting block 204, the shifting block 204 falls under the gravity to cause the first oil leakage hole 202 to be dislocated with the second oil leakage hole 203.

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.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mould protection device for short rod part cold forming, includes dismantlement circle (3), its characterized in that: the device also comprises a mounting structure (1) which can be used for conveniently replacing the device, an oiling structure (2) which can be used for automatically adding lubricating oil and an anti-sticking structure which can prevent the adhesion between the die and the bolt;

the mounting structure (1) is arranged on one side of the dismounting ring (3);

four sleeves (4) are mounted on the periphery of the other side of the disassembling ring (3), oil storage boxes (12) are mounted at the top ends of the sleeves (4), and the oil injection structure (2) is arranged inside the oil storage boxes (12);

one side of sleeve (4) is provided with retainer plate (8), and a plurality of recesses (7) have been seted up to the inner wall of retainer plate (8), the equal sliding connection in inside of recess (7) has guide block (11), and one side of guide block (11) all installs locking wheel (10), the one end of locking wheel (10) all extends to one side of retainer plate (8), joint piece (9) are all installed to the one end of guide block (11), and the one end of joint piece (9) all extends to the inside of retainer plate (8), anti-adhesion structure sets up in one side of retainer plate (8).

2. The mold protection device for cold forming of short rod parts according to claim 1, wherein: anti-sticking structure includes blotter (5), blotter (5) are all installed to the inside one end that is close to retainer plate (8) of sleeve (4), all be fixed with movable rod (6) around retainer plate (8) one side, and the one end of movable rod (6) all runs through to one side of blotter (5) and install deflector (13), extension spring (14) are all installed to the one end of deflector (13), and the one end of extension spring (14) all is connected with the inside one end of sleeve (4).

3. A mold protection device for cold forming of short rod parts according to claim 2, wherein: the sleeve (4) and the guide plate (13) are cylindrical in shape, and the length of the inner diameter of the sleeve (4) is equal to the length of the outer diameter of the guide plate (13).

4. The mold protection device for cold forming of short rod parts according to claim 1, wherein: mounting structure (1) includes spacing groove (101), stopper (102), installation circle (103) and connecting rod (104), installation circle (103) set up in the one side of dismantling circle (3), and the inside of installing circle (103) has seted up a plurality of spacing grooves (101), the inside of spacing groove (101) all is provided with stopper (102), and the one end of stopper (102) all is fixed with connecting rod (104), the one end of connecting rod (104) all is connected with the one side of dismantling circle (3) through the connecting piece.

5. A die protection device for cold forming of short rod parts according to claim 4, wherein: the number of the connecting rods (104) is four, and the connecting rods (104) are distributed in an equal angle mode relative to the center of the disassembling ring (3).

6. The mold protection device for cold forming of short rod parts according to claim 1, wherein: oiling structure (2) are including mounting box (201), first oil leak hole (202), second oil leak hole (203) and stir piece (204), mounting box (201) are all installed in the inside bottom of oil storage box (12), and first oil leak hole (202) have all been seted up to the both sides of mounting box (201), the inside of mounting box (201) all is provided with stirs piece (204), and stirs the inside that the bottom of piece (204) all extends to sleeve (4), second oil leak hole (203) have all been seted up to the both sides of stirring piece (204), and the one end of second oil leak hole (203) all extends to the inside of stirring piece (204).

7. The mold protection device for cold forming of short rod parts according to claim 6, wherein: the inside front and back both ends of mounting box (201) have all seted up the spout, the slider has all been seted up at both ends around stirring piece (204), and stirs and constitute sliding connection between piece (204) and mounting box (201) through the sliding fit between slider and the spout.