CN219541608U - Cold heading mould for cold heading machine - Google Patents

Abstract

The utility model relates to the technical field of cold heading dies, and provides a cold heading die for a cold heading machine, which comprises a lower die and an upper die, wherein the middle part of the lower die is provided with a placing part; according to the utility model, the limiting groove, the limiting clamping groove and the limiting button are arranged, so that when the limiting device is beneficial to use, a worker separates the limiting block, the first spring compresses, a metal object is placed in the placing groove, the limiting block is loosened, the spring loses pressure to enable the limiting block to limit the metal object, at the moment, the first limiting plate is aligned with the limiting groove, then the worker rotates the pushing handle and drives the movable rod to enable the first limiting plate to deflect into the limiting groove, then the first limiting plate extrudes the clamping head, the clamping head is pressed towards the limiting button to sink, so that the second spring extrudes, then when the first limiting plate deflects to enable the limiting clamping groove to overlap with the clamping head, the second spring loses pressure to enable the clamping head to spring into the limiting clamping groove, and the first limiting plate is limited, wherein the limiting groove can limit the limiting block when being subjected to thrust.

Description

Cold heading mould for cold heading machine

Technical Field

The utility model relates to the technical field of cold heading dies, in particular to a cold heading die for a cold heading machine.

Background

The cold heading mould mainly is the mould that cold heading machine produced the plastic deformation that the metal produced under the exogenic action used, and current cold heading machine is with cold heading mould mainly includes mould and lower mould, secondly still includes locating component and spacing post etc. and concrete process is that place the metal object in the countersunk head groove of lower mould, carries out spacingly to the metal object through locating component afterwards, then the drift carries out extrusion moulding to the metal object to improved the nut quality of producing.

The application number CN202123321115.5 discloses a die for a cold header, which comprises an upper die, a positioning mechanism and a lower die, wherein the upper die is arranged at the stamping end of the cold header, and a punch corresponding to a nut hole is arranged on the bottom surface of the upper die; the lower die is arranged on a substrate of the cold header, and a countersunk head groove for accommodating a raw material block in a matched manner is formed in the top surface of the lower die; the positioning mechanism is arranged on the top surface of the lower die and comprises a rectangular retainer ring and a positioning assembly; the check ring is arranged on the top surface of the lower die, and the center of the check ring corresponds to the countersunk groove; two symmetrical positioning components are matched in the check ring, the two positioning components can move oppositely or reversely along the length direction of the check ring, when the two positioning components are in conflict, a raw material block in the countersunk head groove can be pressed, and a punching hole for a punch to pass through is reserved; and the die can improve the production quality of the nut.

However, the existing cold heading machine is not comprehensive in structural design of a cold heading die, in the use process, a worker places a metal object in a countersunk groove of a lower die, then positions the metal object by a positioning component, then extrudes the metal object by a punch to form the metal object, in the extrusion process, the positioning component is extruded, the extrusion force of the positioning component is larger than the thrust of a spring, and therefore the positioning component is deviated to two sides, and positioning is inaccurate.

Disclosure of Invention

The utility model provides a cold heading die for a cold heading machine, which solves the problem of the cold heading die for the cold heading machine in the related technology.

The technical scheme of the utility model is as follows: the utility model provides a cold heading mould for cold heading machine, includes lower mould and last mould, the standing groove has been seted up at the middle part of lower mould, the spacing groove has all been seted up to the both sides that the lower mould middle part is located the standing groove, one side fixedly connected with spacing button of spacing inslot portion, the inside fixedly connected with second spring of spacing button, the one end fixedly connected with second limiting plate of second spring, the inside of second limiting plate and spacing button carries out swing joint, one side fixedly connected with dop of second spring is kept away from to the second limiting plate, and dop and spacing button carry out swing joint.

Preferably, both sides inside the lower mould are all fixedly connected with spacing post, the both sides that are different from spacing post inside the lower mould are all swing joint has movable rod, one side that the movable rod kept away from each other is fixedly connected with pushes away the handle.

Preferably, one side of the movable rod, which is far away from the pushing handle, is movably connected with a fixed head, and one end of the fixed head, which is far away from the pushing handle, is fixedly connected with a limiting block.

Preferably, one end of the movable rod, which is close to the limiting block, is fixedly connected with a first limiting plate, and a limiting clamping groove is formed in the middle of one side, which is close to the pushing handle, of the first limiting plate.

Preferably, the first limiting plate is movably connected with the limiting groove, and the limiting clamping groove is clamped with the clamping head.

Preferably, the two ends of the limiting block, which are close to one side of the pushing handle, are fixedly connected with first springs.

Preferably, one end of the first spring, which is close to the pushing handle, is fixedly connected with the lower die.

Preferably, the middle part fixedly connected with drift of upper mould bottom, and the drift aligns with the standing groove.

The utility model has the technical effects and advantages that:

1. according to the utility model, the limiting groove, the limiting clamping groove and the limiting button are arranged, so that when the limiting device is beneficial to use, a worker separates the limiting block, the first spring compresses, a metal object is placed in the placing groove, the limiting block is loosened, the spring loses pressure to enable the limiting block to limit the metal object, at the moment, the first limiting plate is aligned with the limiting groove, then the worker rotates the pushing handle and drives the movable rod to enable the first limiting plate to deflect into the limiting groove, then the first limiting plate extrudes the clamping head, the clamping head is pressed towards the limiting button to sink, so that the second spring extrudes, then when the first limiting plate deflects to enable the limiting clamping groove to overlap with the clamping head, the second spring loses pressure to enable the clamping head to spring into the limiting clamping groove, and the first limiting plate is limited, wherein the limiting groove can limit the limiting block when being subjected to thrust.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the lower die of the present utility model.

Fig. 3 is a schematic diagram of a stopper structure according to the present utility model.

Fig. 4 is a schematic view of the chuck structure of the present utility model.

The reference numerals are: 1. a lower die; 11. a placement groove; 12. a limit groove; 13. a limit column; 2. an upper die; 21. a punch; 3. a limiting block; 31. a first spring; 32. a fixed head; 33. a movable rod; 34. a pushing handle; 35. a first limiting plate; 36. a limit clamping groove; 4. a limiting button; 41. a second spring; 42. a second limiting plate; 43. a chuck.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 4, this embodiment provides a cold heading die for cold heading machine, including lower mould 1 and last mould 2, standing groove 11 has been seted up at the middle part of lower mould 1, spacing groove 12 has all been seted up to the both sides that lie in standing groove 11 at lower mould 1 middle part, one side fixedly connected with spacing button 4 in spacing groove 12 inside, spacing button 4's inside fixedly connected with second spring 41, second spring 41's one end fixedly connected with second limiting plate 42, second limiting plate 42 carries out swing joint with spacing button 4's inside, one side fixedly connected with dop 43 that second limiting plate 42 kept away from second spring 41, and dop 43 carries out swing joint with spacing button 4, in the use, the staff separates stopper 3, make first spring 31 compress, then place the metal object in standing groove 11, loosen stopper 3, the spring loses pressure and makes stopper 3 carry out spacing to the metal object, and first limiting plate 35 aligns with spacing groove 12 this moment, then the staff rotates push handle 34, push handle 34 drives movable rod 33, make first spring 35 put into the first recess 35 and make the first spring 35 in the recess of first spring 43, make the first spring 43 carry out the compression limiting groove 43, and make the first spring 43 is followed, the compression limiting plate 43 is followed, and when the limit plate 43 is compressed to the limit plate is compressed to the limit groove 43, wherein, the first spring 43 is compressed and the limit plate is compressed.

Referring to fig. 2 and 3, the two sides inside the lower die 1 are fixedly connected with the limit post 13, the two sides inside the lower die 1 different from the limit post 13 are movably connected with the movable rod 33, one side of the movable rod 33, which is mutually far away, is fixedly connected with the push handle 34, one side of the movable rod 33, which is far away from the push handle 34, is movably connected with the fixed head 32, one end of the fixed head 32, which is far away from the push handle 34, is fixedly connected with the limit block 3, one end of the movable rod 33, which is close to the limit block 3, is fixedly connected with the first limit plate 35, the middle part of one side of the first limit plate 35, which is close to the push handle 34, is provided with the limit clamping groove 36, the first limit plate 35 is movably connected with the limit groove 12, and the limit clamping groove 36 is clamped with the clamp 43, two ends of the limit block 3, which are close to one side of the push handle 34, are fixedly connected with the first spring 31, one end of the first spring 31, which is close to the push handle 34, is fixedly connected with the lower die 1, the middle part, the punch 21, which is aligned with the placement groove 11, is arranged, in the use, the first limit plate 35 deflects into the limit groove 12, and the limit groove 43, and the limit block 3 is extruded by the clamp clamping groove 36 and the limit block 3, and the limit block 3 is extruded by the limit plate 3, and the limit plate is extruded by the limit plate 3.

Working principle: firstly, when in use, a worker moves the limiting blocks 3 away from each other, the limiting blocks 3 move to squeeze the first springs 31, the movable rods 33 and the pushing handles 34 move along with the movement of the limiting blocks 3, then the metal objects are placed in the placing grooves 11, the limiting blocks 3 are loosened, the first springs 31 lose pressure to push the limiting blocks 3 towards the metal objects so as to limit the metal objects, at the moment, the first limiting plates 35 are aligned with the limiting grooves 12, then the worker rotates the pushing handles 34, the pushing handles 34 rotate to drive the movable rods 33 to rotate in the fixed heads 32, the first limiting plates 35 deflect around the movable rods 33 as axes into the limiting grooves 12, when the first limiting plates 35 enter the limiting grooves 12 to squeeze the clamping heads 43, the clamping head 43 is pressed to be sunken inwards of the limiting button 4, the sunken second limiting plate 42 is extruded, at the moment, the second limiting plate 42 is in a compressed state and is rich in elasticity, then the first limiting plate 35 continuously deflects, when the limiting clamping groove 36 is overlapped with the clamping head 43 due to final deflection, the clamping head 43 loses pressure, accordingly, the second spring 41 loses pressure, the clamping head 43 is sprung into the limiting clamping groove 36, the first limiting plate 35 is limited, then the punch 21 extrudes a metal object, the metal object is pressed to start shaping, thrust is generated on the limiting block 3, the first limiting plate 35 extrudes the limiting groove 12, limiting block 3 is limited, the clamping head 43 is overlapped with the limiting clamping groove 36, and the first limiting plate 35 is limited.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a cold heading mould for cold heading machine, includes lower mould (1) and goes up mould (2), its characterized in that, standing groove (11) have been seted up at the middle part of lower mould (1), spacing groove (12) have all been seted up at the both sides that lie in standing groove (11) in lower mould (1) middle part, spacing button (4) of one side fixedly connected with of spacing groove (12) inside, the inside fixedly connected with second spring (41) of spacing button (4), the one end fixedly connected with second limiting plate (42) of second spring (41), the inside of second limiting plate (42) and spacing button (4) carries out swing joint, one side fixedly connected with chuck (43) that second spring (41) were kept away from to second limiting plate (42), and chuck (43) carry out swing joint with spacing button (4).

2. The cold heading die for the cold heading machine according to claim 1, wherein limiting columns (13) are fixedly connected to two sides of the inside of the lower die (1), movable rods (33) are movably connected to two sides of the inside of the lower die (1) different from the limiting columns (13), and pushing handles (34) are fixedly connected to one sides of the movable rods (33) away from each other.

3. The cold heading die for the cold heading machine according to claim 2, wherein a fixed head (32) is movably connected to one side of the movable rod (33) away from the push handle (34), and a limiting block (3) is fixedly connected to one end of the fixed head (32) away from the push handle (34).

4. The cold heading die for the cold heading machine according to claim 2, wherein a first limiting plate (35) is fixedly connected to one end of the movable rod (33) close to the limiting block (3), and a limiting clamping groove (36) is formed in the middle of one side of the first limiting plate (35) close to the push handle (34).

5. The cold heading die for the cold heading machine according to claim 4, wherein the first limiting plate (35) is movably connected with the limiting groove (12), and the limiting clamping groove (36) is clamped with the clamping head (43).

6. A cold heading die for a cold heading machine according to claim 3, characterized in that the two ends of one side of the limiting block (3) close to the pushing handle (34) are fixedly connected with a first spring (31).

7. The cold heading die for the cold heading machine according to claim 6, wherein one end of the first spring (31) close to the push handle (34) is fixedly connected with the lower die (1).

8. Cold heading die for cold heading machine according to claim 1, characterized in that the middle part of the bottom end of the upper die (2) is fixedly connected with a punch (21), and the punch (21) is aligned with the placing groove (11).