CN219746287U - Steering column die casting die - Google Patents

Abstract

The utility model relates to the field of dies, in particular to a steering column die-casting die which comprises a cylinder, a mandrel, a base, a sliding block, a connecting block and a connecting shaft, wherein the cylinder is connected with the base, the sliding block is connected with the base in a sliding manner, and the mandrel is fixedly connected with one side of the sliding block, which is away from the cylinder; the connecting block is provided with a cylinder groove, one end of the connecting shaft and the end part of the piston rod of the air cylinder are used for being embedded into the cylinder groove, two groove walls of the cylinder groove, which are opposite to each other along the axial direction of the connecting shaft, are respectively abutted against the connecting shaft and the piston rod of the air cylinder, and the surfaces, which are close to each other, of the connecting shaft and the piston rod are abutted against each other; the other end of the connecting shaft is detachably connected with the sliding block. According to the utility model, one end of the connecting shaft and the end part of the cylinder piston rod are embedded into the cylinder groove, so that the connection of the connecting shaft and the cylinder piston rod is realized, the other end after the connection is detachably connected with the sliding block, the connecting shaft and the connecting block are convenient to replace by people, and the cylinder is not required to be detached by people, so that the working efficiency of people is improved.

Description

Steering column die casting die

Technical Field

The utility model relates to the field of dies, in particular to a steering column die-casting die.

Background

The mold is a tool for manufacturing a molded article, and the development level of mold production is one of important marks of the level of machine manufacturing.

The different dies are composed of different parts, and in the case of an automobile steering column, since the steering column is of a hollow structure, a cavity for molding the steering column is required to be formed by matching a fixed die plate and a movable die plate through a core pulling structure. Referring to fig. 1, the core pulling structure 3 comprises a base 31, a mandrel 35, a slider 32 and a cylinder 36, wherein the cylinder 36 is fixedly connected to the base 31, the slider is provided with a large groove 51 and a small groove 52, a piston rod of the cylinder 36 is fixedly connected with a matching block 4, and the matching block 4 comprises a large block 41 and a small block 42; the large block 41 is embedded into the large groove 51, the small block 42 is embedded into the small groove 52, and a piston rod of the air cylinder 36 is fixedly connected with the small block 42 so as to drive the sliding block 32 to slide through the air cylinder 36 and further drive the mandrel 35 to slide, so that the forming and core pulling of the cavity are realized.

However, the piston rod of the air cylinder 36 is directly and fixedly connected with the sliding block 32, and when the connecting part of the piston rod of the air cylinder 36 and the sliding block 32 is worn, the size of a formed cavity is affected, so that the quality of the formed steering column is affected; therefore, the fitting block 4 needs to be replaced, but the piston rod of the air cylinder 36 is fixedly connected to the fitting block 4, when the fitting block 4 is replaced, the large block 41 needs to be taken out from the large groove 51, meanwhile, the air cylinder 36 needs to be detached from the base 31, and after the replacement is finished, the air cylinder 36 needs to be reconnected to the base 31, so that the working efficiency of people is low and needs to be improved.

Disclosure of Invention

In order to improve the working efficiency of people, the utility model provides a steering column die casting die.

The utility model provides a steering column die-casting die which adopts the following technical scheme:

the die-casting die for the steering column comprises a cylinder, a mandrel, a base, a sliding block, a connecting block and a connecting shaft, wherein the cylinder is fixedly connected to the base, the sliding block is slidably connected to the base, and the mandrel is fixedly connected to one side of the sliding block, which is away from the cylinder; the connecting block is provided with a cylinder groove, one end of the connecting shaft and the end part of the piston rod of the air cylinder are used for being embedded into the cylinder groove, when one end of the connecting shaft and the piston rod are embedded into the cylinder groove, two groove walls of the cylinder groove, which are opposite along the axial direction of the connecting shaft, are respectively abutted against the connecting shaft and the piston rod of the air cylinder, and the surfaces, which are close to each other, of the connecting shaft and the piston rod are abutted against each other; the other end of the connecting shaft is detachably connected with the sliding block.

Through adopting above-mentioned technical scheme, the one end of connecting axle and the tip of cylinder piston rod are through imbedding to the section of thick bamboo inslot to realize the connection of connecting axle and cylinder piston rod, and the other end after the connection can dismantle and be connected in the slider, when making the junction between connecting axle and the slider take place wearing and tearing, when connecting axle and connecting block take place wearing and tearing, be convenient for people to change connecting axle and connecting block, and need not people to dismantle the cylinder, in order to improve people's work efficiency; the sliding distance of the sliding block can be changed through the connecting shafts with different lengths, so that cavities with different sizes are formed, and the adaptability of the die is improved.

Preferably, the connecting block comprises a bottom block and a top block, the bottom block is connected with the top block through a bolt, the surfaces of the bottom block and the top block, which are close to each other, are abutted tightly against each other, the inner wall of the cylinder groove covers the end part of the connecting shaft, and the inner wall of the cylinder groove covers the end part of the piston rod of the cylinder.

Through adopting above-mentioned technical scheme for the inner wall in section of thick bamboo groove covers the tip of piston rod and the tip of connecting axle, and bottom block and kicking block support tightly, with the probability that reduces connecting axle and piston rod junction rusty wearing and tearing improves the life of connecting axle, connecting block and cylinder piston rod.

Preferably, the surface of the bottom block, which is close to the top block, is fixedly connected with a positioning block, and the surface of the top block, which is close to the bottom block, is provided with a positioning groove for the positioning block to be embedded.

Through adopting above-mentioned technical scheme, kicking block and bottom block are connected through the bolt, when people need connect kicking block and bottom block, through in the locating piece embedding constant head tank to people pass kicking block and bottom block with the bolt in proper order, thereby improve people's work efficiency.

Preferably, the two surfaces of the positioning block along the axial direction of the connecting shaft are respectively provided with a guide surface, and the distance between the two guide surfaces gradually increases along with the distance from the top block.

By adopting the technical scheme, the positioning blocks are conveniently embedded in the positioning grooves by people, so that the working efficiency of people is improved.

Preferably, when the positioning block is embedded in the positioning groove, a friction pair is formed between the groove wall of the positioning groove and the positioning block.

Through adopting above-mentioned technical scheme, the friction pair that constitutes in the locating piece embedding constant head tank makes between kicking block and the bottom block relatively static to when people wear to establish the bolt, need not to worry that kicking block and bottom block shake, be convenient for people wear to establish the bolt, in order to improve people's work efficiency.

Still include the limiting plate, the slider is close to the fixed surface of cylinder is connected with two spacing axles, the limiting plate is equipped with two spacing holes, two spacing axle wears to locate two respectively in the spacing hole, the limiting plate is equipped with and is used for supplying the spacing groove of connecting axle embedding, the cell wall butt in the periphery of connecting axle.

Through adopting above-mentioned technical scheme, obtain cell wall butt joint connecting axle through the spacing groove to improve the stability of connecting axle.

Preferably, the end part of the limiting shaft is fixedly connected with a baffle, a spring is sleeved on the periphery of the limiting shaft, and two ends of the spring respectively abut against the limiting plate and the baffle.

Through adopting above-mentioned technical scheme for the limiting plate can support tight slider, with the stability of improving the limiting plate, reduces vibrations between limiting plate and the slider and beats and the probability of sounding.

Preferably, the sliding block is provided with a large square groove and a small square groove, the cylinder groove comprises a large round groove and two small round grooves, the two small round grooves are positioned on two sides of the large round groove, and the connecting shaft comprises a small cylinder and two large cylinders fixedly connected to two sides of the small cylinder; the two large cylinders are respectively embedded into the large circular groove and the large square groove, and the groove walls of the large circular groove, which are opposite along the axial direction of the large cylinders, are respectively abutted against the end parts of a large cylinder and a cylinder piston rod; the groove wall of the large square groove is abutted against the surfaces of two sides of the axial direction of the other large cylinder.

Through adopting above-mentioned technical scheme, the periphery of big cylinder is the curved surface to big cylinder embedding and break away from the big square groove, little cylinder embedding and break away from little square groove of being convenient for, and realize driving the slider through the piston rod of cylinder and remove.

Preferably, the piston rod of the cylinder comprises a embedding column embedded in the big circular groove, a connecting column embedded in the small circular groove and a rod body connected to the cylinder, the rod body is coaxially and fixedly connected to the connecting column, the connecting column is coaxially and fixedly connected to the embedding column, the big circular groove is respectively abutted to the big cylinder and the embedding column along the axially opposite groove walls of the big cylinder, and the embedding column and the big cylinder are mutually close to each other and are abutted to each other.

By adopting the technical scheme, the stability of the sliding block driven by the air cylinder is improved, so that the accuracy of forming a cavity is improved, and the quality of the steering column after forming is improved.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. one end of the connecting shaft and the end part of the cylinder piston rod are embedded into the cylinder groove to realize the connection of the connecting shaft and the cylinder piston rod, and the other end after the connection is detachably connected with the sliding block, so that people can conveniently replace the connecting shaft and the connecting block without disassembling the cylinder, and the working efficiency of people is improved;

2. the end part of one end of the connecting shaft and the end part of the piston rod of the air cylinder are covered by the groove wall of the cylinder groove, so that the corrosion and abrasion probability of the connecting shaft and the piston rod is reduced, and the service lives of the piston rod, the connecting shaft and the connecting block are prolonged;

3. through making the both ends of spring support tight limiting plate and baffle respectively to make limiting plate support tight slider, thereby reduce the probability of sound production collision sound production between limiting plate and the slider.

Drawings

Fig. 1 is a schematic structural diagram of the related art.

Fig. 2 is a schematic overall structure of an embodiment of the present utility model.

Fig. 3 is a broken view of an embodiment of the present utility model.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic partial structure of an embodiment of the present utility model.

Reference numerals illustrate: 1. a fixed mold; 11. an injection molding port; 2. a movable mold; 21. a cavity; 3. a core pulling structure; 31. a base; 311. a core pulling groove; 32. a slide block; 321. a large square groove; 322. a small square groove; 33. a connecting block; 331. a bottom block; 332. a top block; 333. a barrel groove; 3331. a large circular groove; 3332. a small circular groove; 334. a positioning block; 3341. a guide surface; 335. a positioning groove; 34. a connecting shaft; 341. a large cylinder; 342. a small cylinder; 35. a mandrel; 36. a cylinder; 361. embedding a column; 362. a connecting column; 363. a rod body; 37. a limiting plate; 371. a limiting shaft; 372. a limiting hole; 373. a limit groove; 374. a baffle; 375. a spring; 4. a mating block; 41. large blocks; 42. a small block; 51. a large groove; 52. a small groove;

Detailed Description

The utility model is described in further detail below with reference to fig. 2-5.

Referring to fig. 2 and 3, an embodiment of the utility model discloses a steering column die casting mold, which comprises a fixed mold 1, a movable mold 2 and a core pulling structure 3, wherein the movable mold 2 is used for being matched with the fixed mold 1 to form a cavity 21, and the fixed mold 1 is provided with an injection port 11 communicated with the cavity 21.

The core-pulling structure 3 comprises a base 31, a sliding block 32, a connecting block 33, a connecting shaft 34, a mandrel 35 and a cylinder 36, wherein the base 31 is fixedly connected to the movable die 2, the base 31 is provided with a core-pulling groove 311, the sliding block 32 is slidably connected to the groove wall of the core-pulling groove 311, and the sliding direction of the sliding block 32 is the same as the length direction of the core-pulling groove 311; the cylinder 36 is fixedly connected to one end of the base 31 far away from the movable mould 2, the mandrel 35 is fixedly connected to one side of the sliding block 32 far away from the cylinder 36, a piston rod of the cylinder 36 is connected to the connecting block 33, the connecting block 33 is connected to the connecting shaft 34, and the connecting shaft 34 is detachably connected to the sliding block 32 so as to drive the mandrel 35 to slide through a slideway of the piston rod of the cylinder 36, and the mandrel 35 extends into the cavity 21 to form the cavity 21 for forming the steering column; the piston rod of the cylinder 36 slides such that the spindle 35 is disengaged from the cavity 21 to facilitate subsequent stripping of the steering column.

Referring to fig. 3 and 4, the slider 32 is provided with a large square groove 321 and a small square groove 322 which are communicated with each other, and the distribution directions of the large square groove 321 and the small square groove 322 are the same as the sliding direction of the slider 32; the distance from the large square groove 321 to the mandrel 35 is smaller than the distance from the small square groove 322 to the mandrel 35, and the small square groove 322 penetrates through the slider 32 in a direction away from the large square groove 321. The connecting shaft 34 comprises a small cylinder 342 and two large cylinders 341, and the two large cylinders 341 are respectively and coaxially fixedly connected to two ends of the small cylinder 342; the axial direction of the small cylinder 342 is the same as the sliding direction of the sliding block 32, one large cylinder 341 is embedded in the large square groove 321, the small cylinder 342 is embedded in the small square groove 322, two end faces of the large square groove 321 along the axial direction of the small cylinder 342 are abutted against the inner wall of the large square groove 321, and the peripheries of the large cylinder 341 and the small cylinder 342 are circumferential surfaces, so that the large cylinder 341 and the small cylinder 342 are embedded in the large square groove 321 and the small square groove 322 respectively; another large cylinder 341 is used for connection to the connection block 33.

Referring to fig. 4 and 5, the connection block 33 includes a bottom block 331 and a top block 332, and the bottom block 331 and the top block 332 are connected by bolts; the connecting block 33 is provided with a cylinder groove 333 positioned on the bottom block 331 and the top block 332, the cylinder groove 333 comprises a big circular groove 3331 and two small circular grooves 3332, and the two small circular grooves 3332 are positioned on two sides of the big circular groove 3331 in the axial direction; a large cylinder 341 remote from the slider 32 is coaxially inserted into the large circular groove 3331, and a small cylinder 342 is inserted into one of the small circular grooves 3332. The piston rod of the air cylinder 36 comprises a embedding column 361, a connecting column 362 and a rod 363, the rod 363 is connected to the air cylinder 36, the connecting column 362 is coaxially and fixedly connected to the rod 363, the connecting column 362 is embedded in another small circular groove 3332, the embedding column 361 is coaxially and fixedly connected to one side of the connecting column 362 away from the rod 363, and the embedding column 361 is coaxially embedded in a large circular groove 3331. In the cylinder groove 333, the surfaces of the embedded column 361 and the large cylinder 341 close to each other are abutted, the surfaces of the embedded column 361 and the large cylinder 341 away from each other are respectively abutted to two groove walls of the large circular groove 3331 along the axial direction of the large circular groove 3331, and the inner wall of the large circular groove 3331 covers the large cylinder 341 and the embedded column 361.

The bottom block 331 is close to two locating pieces 334 of fixed surface connection of kicking block 332, and kicking block 332 is equipped with two constant head tanks 335, and two constant head tanks 335 are used for supplying two locating pieces 334 to imbed respectively, and when locating piece 334 imbeds constant head tank 335, constitute friction pair between locating piece 334 surface and the cell wall of constant head tank 335 to make kicking block 332 and bottom block 331 relatively static, be convenient for people wear in proper order the bolt to establish kicking block 332 and bottom block 331, thereby realize the connection between kicking block 332 and the bottom block 331. The positioning block 334 is provided with guide surfaces 3341 on two surfaces along the axial direction of the small cylinder 342, and the distance between the two guide surfaces 3341 gradually increases along with the distance from the top block 332, so that the positioning block 334 is conveniently embedded into the positioning groove 335.

The core pulling structure 3 further comprises a limiting plate 37, two limiting shafts 371 are fixedly connected to the surface, close to the air cylinder 36, of the sliding block 32, the axial direction of the limiting shafts 371 is the same as the sliding direction of the sliding block 32, and the two limiting shafts 371 are located on two sides of the small square groove 322; limiting plate 37 is equipped with two spacing holes 372, and two spacing shafts 371 wear to locate in two spacing holes 372 respectively, and spacing hole 372 inner wall butt is in spacing shaft 371, and limiting plate 37 is equipped with the spacing groove 373 that is used for supplying little cylinder 342 embedding, and the cell wall butt in little cylinder 342's of spacing groove 373 is in the periphery wall to improve little cylinder 342's stability.

The end part of the limit shaft 371, which is far away from the slide block 32, is fixedly connected with a baffle 374, the outer diameter of the baffle 374 is larger than that of the limit shaft 371, a spring 375 is sleeved on the periphery of the limit shaft 371, and two ends of the spring 375 respectively abut against the end surfaces of the limit plate 37 and the baffle 374.

The implementation principle of the die-casting die for the steering column provided by the embodiment of the utility model is as follows: by additionally arranging the connecting shaft 34, the moving distance of the mandrel 35 can be changed to form cavities 21 with different sizes, so that the adaptability of the die is improved; when the joint of the connecting shaft 34 and the sliding block 32 is worn by sounding, the connecting shaft 34 is conveniently embedded into the large square groove 321 and the small square groove 322 based on the circumferential surface of the outer periphery of the connecting shaft 34, so that the working efficiency of people is improved; one end of the connecting shaft 34 far away from the sliding block 32 is embedded into the cylinder groove 333, the piston rod of the air cylinder 36 is also embedded into the cylinder groove 333, the inner wall of the cylinder groove 333 covers the end part of the connecting shaft 34 and the end part of the piston rod, the surfaces of the connecting shaft 34 and the piston rod, which are close to each other, are abutted, and two groove walls of the cylinder groove 333, which are opposite to each other along the axial direction of the connecting shaft 34, are abutted against the connecting shaft 34 and the piston rod of the air cylinder 36, so that the piston rod of the air cylinder 36 is connected to the connecting shaft 34 through the connecting block 33; and when the sound production is worn and torn between connecting axle 34 and connecting block 33, people can be through dismantling connecting block 33 to be convenient for change connecting block 33 and connecting axle 34, and need not to dismantle cylinder 36, in order to improve people's work efficiency.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. Steering column die casting die, including cylinder (36) and dabber (35), its characterized in that: the device further comprises a base (31), a sliding block (32), a connecting block (33) and a connecting shaft (34), wherein the air cylinder (36) is fixedly connected to the base (31), the sliding block (32) is slidably connected to the base (31), and the mandrel (35) is fixedly connected to one side, away from the air cylinder (36), of the sliding block (32); the connecting block (33) is provided with a cylinder groove (333), one end of the connecting shaft (34) and the end part of a piston rod of the air cylinder (36) are used for being embedded into the cylinder groove (333), when one end of the connecting shaft (34) and the piston rod are embedded into the cylinder groove (333), two groove walls of the cylinder groove (333) which are opposite along the axial direction of the connecting shaft (34) are respectively abutted against the piston rods of the connecting shaft (34) and the air cylinder (36), and the surfaces, close to each other, of the connecting shaft (34) and the piston rod are abutted against each other; the other end of the connecting shaft (34) is detachably connected with the sliding block (32).

2. A steering column die casting die according to claim 1, wherein: the connecting block (33) comprises a bottom block (331) and a top block (332), the bottom block (331) and the top block (332) are connected through bolts, surfaces of the bottom block (331) and the top block (332) close to each other are abutted tightly, the inner wall of the cylinder groove (333) covers the end part of the connecting shaft (34), and the inner wall of the cylinder groove (333) covers the end part of a piston rod of the cylinder (36).

3. A steering column die casting die according to claim 2, wherein: the surface of the bottom block (331) close to the top block (332) is fixedly connected with a positioning block (334), and the surface of the top block (332) close to the bottom block (331) is provided with a positioning groove (335) for the positioning block (334) to be embedded.

4. A steering column die casting die according to claim 3, wherein: the positioning block (334) is provided with guide surfaces (3341) along two surfaces of the connecting shaft (34) in the axial direction, and the distance between the two guide surfaces (3341) gradually increases along with the distance from the top block (332).

5. A steering column die casting die according to claim 3, wherein: when the positioning block (334) is embedded in the positioning groove (335), a friction pair is formed between the groove wall of the positioning groove (335) and the positioning block (334).

6. A steering column die casting die according to claim 1, wherein: still include limiting plate (37), slider (32) are close to two spacing axles (371) of fixed surface connection of cylinder (36), limiting plate (37) are equipped with two spacing holes (372), two spacing axle (371) wear to locate respectively in two spacing hole (372), limiting plate (37) are equipped with and are used for supplying spacing groove (373) of connecting axle (34) embedding, the cell wall butt in the periphery of connecting axle (34) of spacing groove (373).

7. A steering column die casting die as set forth in claim 6, wherein: the end part of the limiting shaft (371) is fixedly connected with a baffle plate (374), a spring (375) is sleeved on the periphery of the limiting shaft (371), and two ends of the spring (375) respectively abut against the limiting plate (37) and the baffle plate (374).

8. A steering column die casting die according to claim 1, wherein: the sliding block (32) is provided with a large square groove (321) and a small square groove (322), the cylinder groove (333) comprises a large round groove (3331) and two small round grooves (3332), the two small round grooves (3332) are positioned on two sides of the large round groove (3331), and the connecting shaft (34) comprises a small cylinder (342) and two large cylinders (341) fixedly connected to two sides of the small cylinder (342); the two large cylinders (341) are respectively embedded into the large circular groove (3331) and the large square groove (321), and the large circular groove (3331) is respectively abutted against the end parts of the piston rods of one large cylinder (341) and the air cylinder (36) along the axially opposite groove walls of the large cylinder (341); the groove walls of the large square grooves (321) are abutted against the surfaces of the two axial sides of the other large cylinder (341).

9. A steering column die casting die as set forth in claim 8, wherein: the piston rod of cylinder (36) include imbed big circular slot (3331) inlay post (361), inlay in spliced pole (362) of little circular slot (3332) and connect in body of rod (363) of cylinder (36), body of rod (363) coaxial fixed connection in spliced pole (362), spliced pole (362) coaxial fixed connection in inlay post (361), big circular slot (3331) butt big cylinder (341) and inlay post (361) respectively along the cell wall that big cylinder (341) are axially opposite, just the surface butt that inlay post (361) and big cylinder (341) are close to each other.