CN112895397B

CN112895397B - Accurate mould positioner

Info

Publication number: CN112895397B
Application number: CN202110072297.2A
Authority: CN
Inventors: 骆沁芝
Original assignee: Yixing Ningyuan Mould Technology Co ltd
Current assignee: Qian Guoming; Qian Weijian; Yixing Ningyuan Mould Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2022-07-22
Anticipated expiration: 2041-01-20
Also published as: CN112895397A

Abstract

The utility model provides an accurate die positioning device, relates to the technical field of die positioning devices, and solves the problem that the auxiliary protection of a lower die fixing seat cannot be realized through an improved finger on the structure so as to realize the auxiliary protection of reducing bolts of the lower die fixing seat; lead to the residue to enter into threaded hole easily when changing the slide bar, and then lead to the problem that slide bar threaded connection blocks. An accurate mould positioning device comprises a positioning structure; the positioning structure is fixedly connected with a die fixing seat through a bolt. The four protection plates are all arc-shaped plate-shaped structures and are respectively positioned on the outer sides of the four sliding rods, and the four protection plates jointly form a protection structure of the sliding rods; because of all seted up a sliding hole B in four corner positions of last mould seat, and sliding hole B not with the inner wall of guard plate and the outer wall contact of guard plate to do not influence the normal slip of last mould seat after the guard plate atress warp.

Description

Accurate mould positioner

Technical Field

The utility model belongs to the technical field of mold positioning devices, and particularly relates to an accurate mold positioning device.

Background

Hot press molding is a processing method of high polymer materials, which places materials with uniform thickness in a mold; heating the upper die and the lower die through a heating device in the hot-pressing forming machine table to soften the material to cover the surfaces of the upper die and the lower die; driving the upper die base and the upper die to move towards the lower die fixed on the lower die base so that the upper die and the lower die extrude materials together; finally, after solidification in the cooling stage, a hot-pressed product is obtained.

As in application No.: CN201720946195.8, a mold positioning device, comprising a male calibration mold, a female calibration mold and a positioning structure. The common correction die comprises a base and a calibration block, the base is arranged on an upper die base of the hot-pressing forming machine table, and the calibration block is arranged on the base. The female correction die comprises a base body and a calibration groove, the base body is arranged on a lower die base of the hot-pressing forming machine, the calibration groove is formed in the base body, and the calibration block is inserted into the calibration groove. The positioning structure comprises a positioning hole and a positioning pin, the positioning hole is arranged on the calibration block and extends axially, the positioning pin is arranged on the calibration groove and extends axially, and the positioning pin is arranged on the positioning hole. Therefore, the utility model can pre-correct the relative positions of the upper die and the lower die arranged on the upper die base and the lower die base, is beneficial to accurately assembling the dies after the upper die and the lower die are respectively arranged on the upper die base and the lower die base, saves time and labor, and can avoid damaging the upper die and the lower die.

The mold positioning device similar to the above application has the following disadvantages:

one is that when the existing device positions the lower die, the protection capability is weaker, and the auxiliary protection of the lower die fixing seat cannot be realized through the structural improvement finger, so that the auxiliary protection of the lower die fixing seat bolt is reduced; moreover, the existing device can not realize the elastic protection between the male die seat and the female die seat during stamping, so that the impact force between the male die seat and the female die seat is too large, and the male die seat and the female die seat are damaged in advance; finally, the existing device easily causes residues to enter the threaded hole when the sliding rod is replaced, and further causes the clamping of the threaded connection of the sliding rod.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and an accurate mold positioning device is provided to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an accurate die positioning device, and aims to solve the problems that the existing device has weak protection capability when positioning a lower die, and cannot realize auxiliary protection of a lower die fixing seat through structural improvement fingers so as to realize auxiliary protection of lower die fixing seat bolts; moreover, the existing device can not realize the elastic protection between the male die seat and the female die seat during stamping, so that the impact force between the male die seat and the female die seat is too large, and the male die seat and the female die seat are damaged in advance; finally, the existing device easily causes residues to enter the threaded hole when the sliding rod is replaced, and further causes the problem of blockage of the threaded connection of the sliding rod.

The purpose and the effect of the accurate mould positioning device are achieved by the following specific technical means:

an accurate mold positioning device comprises a positioning structure; the positioning structure is fixedly connected with a die fixing seat through a bolt, and a lower die is clamped and fixed in the die fixing seat; the positioning structure is connected with an upper die base in a sliding manner, the upper die base is fixedly connected with an upper die through a bolt, and the positioning structure is provided with an auxiliary structure; the lower die comprises a stop block, the stop block is welded on the lower die and is of a square-back structure; the bottom end face of the stop block is in contact with the top end face of the die fixing seat, the outer contour of the stop block is larger than that of the die fixing seat, and the stop block forms a residue protection structure at a gap between the die fixing seat and the lower die; the upper die base comprises a sliding hole A and a sliding hole B, the four corner positions of the upper die base are respectively provided with one sliding hole A, and the four sliding holes A are connected with four sliding rods in a sliding manner; a sliding hole B is formed in the four corner positions of the upper die base and is not in contact with the inner wall of the protection plate and the outer wall of the protection plate.

Further, the positioning structure comprises a bottom plate, a sliding rod and a top plate; the bottom plate is of a rectangular plate-shaped structure, and four sliding rods are connected to the bottom plate in a threaded manner; the head end threaded connection of roof and four slide bars, and roof, bottom plate and slide bar have constituteed the slide orientation formula structure of bed die and last mould jointly.

Furthermore, the positioning structure also comprises four threaded holes and a baffle ring, the four threaded holes are respectively arranged at four corner positions of the bottom plate, and the threaded holes are in threaded connection with the sliding rod; the number of the baffle rings is four, and the four baffle rings are respectively welded on the four sliding rods; the four retaining rings are in contact with the top end face of the bottom plate, the diameter of each retaining ring is larger than that of each threaded hole, and the four retaining rings form a residue shielding structure of the four threaded holes.

Furthermore, the positioning structure also comprises four protection plates, and the four protection plates are welded on the top end surfaces of the four baffle rings respectively; the four protection plates are of arc-shaped plate structures and are respectively positioned on the outer sides of the four sliding rods, and the four protection plates jointly form a protection structure of the sliding rods.

Furthermore, the die fixing seat is composed of two concave plates which are symmetrically and fixedly connected to the top end face of the bottom plate, and the opening of the two concave plates is of a convergence structure.

Furthermore, the positioning structure also comprises two baffle seats, and the two baffle seats are symmetrically welded on the top end surface of the bottom plate; the inner side of the blocking seat is in contact with the die fixing seat, the blocking seat is of a concave block structure, and the blocking seat forms an auxiliary fixing structure of the die fixing seat.

Furthermore, the auxiliary structure comprises a seat body, fastening bolts and an elastic piece, wherein the seat body is connected to the four sliding rods in a sliding manner, the four fastening bolts are connected to the seat body in a threaded manner, and the seat body is of a reversed-square structure; the number of the elastic pieces is four, and the four elastic pieces are respectively adhered to four corner positions of the top end face of the seat body; the four elastic pieces are respectively connected with the four sliding rods in a sliding manner, and the seat body, the fastening bolt and the elastic pieces jointly form an adjustable buffer structure of the upper die seat.

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

through the arrangement of the protection plates, firstly, the four protection plates are all arc-shaped plate-shaped structures and are respectively positioned on the outer sides of the four sliding rods, and the four protection plates jointly form a protection structure of the sliding rods; second, because of four corner positions of last mould seat have all seted up a sliding hole B, and sliding hole B not with the inner wall of guard plate and the outer wall contact of guard plate to do not influence the normal slip of last mould seat after the guard plate atress warp.

The positioning and fixing structure of the lower die is improved, firstly, the die fixing seat consists of two concave plates which are symmetrically and fixedly connected to the top end surface of the bottom plate, and the openings of the two concave plates are of a convergence structure, so that the smoothness of the lower die during alignment and clamping can be improved; secondly, because of keeping off the inboard contact with the mould fixing base of seat, and keep off the seat and be spill massive structure to keep off the seat and constitute the supplementary fixed knot structure of mould fixing base, thereby can bear or bear the weight of the atress of mould fixing base fixing bolt.

Through the arrangement of the auxiliary structure, firstly, four elastic pieces are arranged, and the four elastic pieces are respectively adhered to four corner positions of the top end face of the seat body; the four elastic pieces are respectively connected with the four sliding rods in a sliding manner, and the seat body, the fastening bolt and the elastic pieces jointly form an adjustable buffer structure of the upper die seat.

Through the setting of dog, because of dog bottom face and the contact of mould fixing base top face, and the outline of dog is greater than the outline of mould fixing base to the residue protection architecture of clearance department between mould fixing base and the bed die has been constituteed to the dog.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is an enlarged schematic view of the utility model at a in fig. 1.

Fig. 3 is a schematic view of the present invention in an axially disassembled configuration.

Fig. 4 is an enlarged structural view of the utility model at B of fig. 3.

Fig. 5 is an enlarged view of the structure of fig. 3C according to the present invention.

Fig. 6 is an enlarged view of fig. 3D according to the present invention.

Fig. 7 is an enlarged view of the structure of fig. 3 at E according to the present invention.

Fig. 8 is a schematic top view of the upper die base according to the present invention.

Fig. 9 is an enlarged view of fig. 3 at E according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a positioning structure; 101. a base plate; 102. a threaded hole; 103. a slide bar; 104. a top plate; 105. a baffle ring; 106. a protection plate; 107. a blocking seat; 2. a mold fixing seat; 3. a lower die; 301. a stopper; 4. an upper die base; 401. a sliding hole A; 402. a slide hole B; 5. an upper die; 6. an auxiliary structure; 601. a base body; 602. fastening a bolt; 603. an elastic member.

Detailed Description

Embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The embodiment is as follows:

as shown in figures 1 to 9:

the utility model provides an accurate mould positioning device, which comprises a positioning structure 1; a mould fixing seat 2 is fixedly connected to the positioning structure 1 through a bolt, and a lower mould 3 is clamped and fixed in the mould fixing seat 2; an upper die base 4 is connected to the positioning structure 1 in a sliding mode, an upper die 5 is fixedly connected to the upper die base 4 through bolts, and an auxiliary structure 6 is installed on the positioning structure 1; referring to fig. 1 and 2, the lower mold 3 includes a stopper 301, the stopper 301 is welded to the lower mold 3, and the stopper 301 has a zigzag structure; the bottom end surface of the stop block 301 is contacted with the top end surface of the die fixing seat 2, the outer contour of the stop block 301 is larger than that of the die fixing seat 2, and the stop block 301 forms a residue protection structure at the gap between the die fixing seat 2 and the lower die 3; referring to fig. 8 and 9, the upper die base 4 includes a sliding hole a401 and a sliding hole B402, one sliding hole a401 is formed at each of four corners of the upper die base 4, and the four sliding holes a401 are slidably connected to the four sliding rods 103; the four corner positions of the upper die base 4 are all provided with a sliding hole B402, and the sliding hole B402 is not in contact with the inner wall of the protection plate 106 and the outer wall of the protection plate 106, so that the normal sliding of the upper die base 4 is not influenced after the protection plate 106 is deformed under stress.

Referring to fig. 3, the positioning structure 1 includes a bottom plate 101, a slide bar 103, and a top plate 104; the bottom plate 101 is of a rectangular plate-shaped structure, and four sliding rods 103 are connected to the bottom plate 101 in a threaded manner; the top plate 104 is in threaded connection with the head ends of the four sliding rods 103, and the top plate 104, the bottom plate 101 and the sliding rods 103 together form a sliding positioning type structure of the lower die 3 and the upper die 5.

Referring to fig. 3 and 4, the positioning structure 1 further includes four threaded holes 102 and a stop ring 105, the threaded holes 102 are provided in total, the four threaded holes 102 are respectively opened at four corner positions of the bottom plate 101, and the threaded holes 102 are in threaded connection with the sliding rod 103; the number of the baffle rings 105 is four, and the four baffle rings 105 are respectively welded on the four sliding rods 103; the four blocking rings 105 are in contact with the top end surface of the bottom plate 101, the diameter of each blocking ring 105 is larger than that of each threaded hole 102, and the four blocking rings 105 form a residue shielding structure of the four threaded holes 102, so that dust and residue can be prevented from entering the threaded holes 102 to cause the installation of the sliding rod 103 to be blocked when the sliding rod 103 is replaced.

Referring to fig. 3, the positioning structure 1 further includes four protection plates 106, and the four protection plates 106 are respectively welded on the top end faces of the four baffle rings 105; the four protection plates 106 are all arc-shaped plate-shaped structures, the four protection plates 106 are respectively positioned on the outer sides of the four sliding rods 103, and the four protection plates 106 jointly form a protection structure of the sliding rods 103.

Referring to fig. 3, the mold fixing base 2 is composed of two concave plates, the two concave plates are symmetrically and fixedly connected to the top end face of the bottom plate 101, and the openings of the two concave plates are in a converging structure, so that the smoothness of the lower mold 3 during alignment and clamping can be improved.

Referring to fig. 3 and 4, the positioning structure 1 further includes two blocking seats 107, and the two blocking seats 107 are symmetrically welded on the top end surface of the bottom plate 101; keep off the inboard contact with mould fixing base 2 of seat 107, and keep off seat 107 and be concave massive structure to keep off seat 107 and constitute the supplementary fixed knot of mould fixing base 2 and construct, thereby can share the atress of mould fixing base 2 fixing bolt.

Referring to fig. 3 and fig. 6, the auxiliary structure 6 includes a base 601, fastening bolts 602 and elastic members 603, the base 601 is slidably connected to the four sliding rods 103, the four fastening bolts 602 are screwed on the base 601, and the base 601 is of a rectangular-shaped structure; the number of the elastic pieces 603 is four, and the four elastic pieces 603 are respectively adhered to four corner positions of the top end face of the seat body 601; the four elastic members 603 are respectively connected with the four sliding rods 103 in a sliding manner, and the seat body 601, the fastening bolt 602 and the elastic members 603 together form an adjustable buffer structure of the upper die base 4.

The specific use mode and function of the embodiment are as follows:

when the lower die 3 is fixed, firstly, the die fixing seat 2 consists of two concave plates which are symmetrically and fixedly connected to the top end face of the bottom plate 101, and the openings of the two concave plates are of a convergence structure, so that the smoothness of the lower die 3 during alignment and clamping can be improved; secondly, the inner side of the blocking seat 107 is in contact with the die fixing seat 2, the blocking seat 107 is of a concave block-shaped structure, and the blocking seat 107 forms an auxiliary fixing structure of the die fixing seat 2, so that the stress of a fixing bolt of the die fixing seat 2 can be borne;

in the use process, firstly, four elastic pieces 603 are arranged, and the four elastic pieces 603 are respectively adhered to four corner positions on the top end face of the seat body 601; the four elastic pieces 603 are respectively connected with the four sliding rods 103 in a sliding manner, and the seat body 601, the fastening bolt 602 and the elastic pieces 603 together form an adjustable buffer structure of the upper die base 4; secondly, the bottom end surface of the stop block 301 is contacted with the top end surface of the die fixing seat 2, the outer contour of the stop block 301 is larger than that of the die fixing seat 2, and the stop block 301 forms a residue protection structure at the gap between the die fixing seat 2 and the lower die 3; thirdly, the four protection plates 106 are all arc-shaped plate-shaped structures, the four protection plates 106 are respectively positioned on the outer sides of the four sliding rods 103, and the four protection plates 106 jointly form a protection structure of the sliding rods 103; fourthly, because of the four corner positions of the upper die base 4 are all provided with a sliding hole B402, and the sliding hole B402 is not in contact with the inner wall of the protection plate 106 and the outer wall of the protection plate 106, thereby the normal sliding of the upper die base 4 is not influenced after the protection plate 106 is deformed by stress.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an accurate mould positioner which characterized in that: comprises a positioning structure (1); a die fixing seat (2) is fixedly connected to the positioning structure (1) through a bolt, and a lower die (3) is clamped and fixed in the die fixing seat (2); the positioning structure (1) is connected with an upper die base (4) in a sliding mode, the upper die base (4) is fixedly connected with an upper die (5) through a bolt, and the positioning structure (1) is provided with an auxiliary structure (6); the lower die (3) comprises a stop block (301), the stop block (301) is welded on the lower die (3), and the stop block (301) is of a square-back structure; the bottom end face of the stop block (301) is in contact with the top end face of the die fixing seat (2), the outer contour of the stop block (301) is larger than that of the die fixing seat (2), and the stop block (301) forms a residue protection structure at a gap between the die fixing seat (2) and the lower die (3); the upper die base (4) comprises a sliding hole A (401) and a sliding hole B (402), the four corner positions of the upper die base (4) are respectively provided with one sliding hole A (401), and the four sliding holes A (401) are in sliding connection with the four sliding rods (103); the four corner positions of the upper die base (4) are respectively provided with a sliding hole B (402), and the sliding holes B (402) are not in contact with the inner wall of the protection plate (106) and the outer wall of the protection plate (106);

the positioning structure (1) comprises a bottom plate (101), a sliding rod (103) and a top plate (104); the bottom plate (101) is of a rectangular plate-shaped structure, and four sliding rods (103) are connected to the bottom plate (101) in a threaded manner; the top plate (104) is in threaded connection with the head ends of the four sliding rods (103), and the top plate (104), the bottom plate (101) and the sliding rods (103) jointly form a sliding positioning type structure of the lower die (3) and the upper die (5);

the positioning structure (1) further comprises four threaded holes (102) and a baffle ring (105), the number of the threaded holes (102) is four, the four threaded holes (102) are respectively arranged at four corner positions of the bottom plate (101), and the threaded holes (102) are in threaded connection with the sliding rod (103); the number of the baffle rings (105) is four, and the four baffle rings (105) are respectively welded on the four sliding rods (103); the four retaining rings (105) are in surface contact with the top end of the base plate (101), the diameter of each retaining ring (105) is larger than that of each threaded hole (102), and the four retaining rings (105) form a residue shielding structure of the four threaded holes (102);

the positioning structure (1) further comprises four protection plates (106), and the four protection plates (106) are welded to the top end surfaces of the four baffle rings (105) respectively; the four protection plates (106) are all arc-shaped plate-shaped structures, the four protection plates (106) are respectively positioned on the outer sides of the four sliding rods (103), and the four protection plates (106) jointly form a protection structure of the sliding rods (103);

the positioning structure (1) further comprises two baffle seats (107), the two baffle seats (107) are arranged, and the two baffle seats (107) are symmetrically welded on the top end face of the bottom plate (101); the inner side of the blocking seat (107) is in contact with the die fixing seat (2), the blocking seat (107) is of a concave block-shaped structure, and the blocking seat (107) forms an auxiliary fixing structure of the die fixing seat (2);

the auxiliary structure (6) comprises a base body (601), fastening bolts (602) and an elastic piece (603), wherein the base body (601) is connected to the four sliding rods (103) in a sliding manner, the base body (601) is in threaded connection with the four fastening bolts (602), and the base body (601) is of a reversed-square structure; the number of the elastic pieces (603) is four, and the four elastic pieces (603) are respectively adhered to four corner positions of the top end face of the seat body (601); the four elastic pieces (603) are respectively connected with the four sliding rods (103) in a sliding manner, and the seat body (601), the fastening bolt (602) and the elastic pieces (603) jointly form an adjustable buffer structure of the upper die seat (4).

2. The precision mold positioning device of claim 1, further comprising: the die fixing seat (2) is composed of two concave plates which are symmetrically and fixedly connected to the top end face of the base plate (101), and the opening of the two concave plates is of a gathering structure.