阅读说明：本技术 一种砂芯模生产用制芯设备合箱结构 (Core making equipment mould assembling structure for sand core mould production ) 是由 王承标 于 2020-08-04 设计创作，主要内容包括：本发明公开了一种砂芯模生产用制芯设备合箱结构,包括上箱体和下箱体,下箱体的两侧端面开有定位孔,上箱体的一侧端面固定安装圆柱销,上箱体的另一侧端面转动套接菱形销,圆柱销和菱形销分别滑动卡接在两个定位孔的上,上箱体和下箱体相靠近的端面外壁分别固定安装上边框和下边框,上边框和下边框间安装锁紧机构。上箱体和下箱体通过圆柱销和菱形销插入定位孔,并结合上箱体和下箱体的端面实现“一面两销”进行快速定位,使得上箱体和下箱体内外壁对齐,通过锁紧机构快速将上边框和下边框压紧固定,避免上箱体和下箱体间产生滑动、错箱,使得上箱体和下箱体快速锁紧固定,便于操作。(The invention discloses a core making equipment box closing structure for sand core mold production, which comprises an upper box body and a lower box body, wherein the two side end surfaces of the lower box body are provided with positioning holes, a cylindrical pin is fixedly arranged on one side end surface of the upper box body, a diamond-shaped pin is rotatably sleeved on the other side end surface of the upper box body, the cylindrical pin and the diamond-shaped pin are respectively connected on the two positioning holes in a sliding and clamping manner, the outer walls of the end surfaces, close to the upper box body and the lower box body, of the upper box body and the lower box body are respectively fixedly provided with an upper frame and a lower. Go up box and lower box and insert the locating hole through cylindric lock and rhombus round pin to the terminal surface of combining box and lower box realizes "two round pins in one side" and fixes a position fast, makes the interior outer wall of box and lower box align, presses the fastening with last frame and lower frame fast through locking mechanism and fixes, avoids going up box and lower box and producing between the box and sliding, wrong case, makes the quick locking of box and lower box fixed, the operation of being convenient for.)

1. The utility model provides a psammitolite mould production is with system core equipment mould assembling structure, includes box (1) and lower box (2), its characterized in that: positioning holes (5) are formed in the end surfaces of two sides of the lower box body (2), a cylindrical pin (10) is fixedly installed on the end surface of one side of the upper box body (1), a diamond-shaped pin (11) is rotatably sleeved on the end surface of the other side of the upper box body (1), the cylindrical pin (10) and the diamond-shaped pin (11) are respectively connected onto the two positioning holes (5) in a sliding and clamping mode, the outer walls of the end surfaces, close to the upper box body (1) and the lower box body (2), of the upper frame (3) and the lower frame (4) are respectively and fixedly installed on the upper frame (3) and the lower frame (4), a locking mechanism (6) is installed between the upper frame (3) and the lower frame (4), the locking mechanism (6) comprises a connecting groove (64) and an eccentric wheel (68), connecting grooves (64) are formed in the two ends of each side wall of the upper frame (3) and the lower frame (, the inner cavity of the U-shaped seat (61) is rotatably sleeved with a rotating shaft (62), one end of a pull rod (63) is fixedly connected to the outer wall of the rotating shaft (62), a rotating groove (66) is formed in the outer wall of one side of an eccentric wheel (68), the inner wall of the rotating groove (66) is rotatably sleeved with two ends of an eccentric shaft (67), the outer wall of the eccentric shaft (67) is fixedly connected with the other end of the pull rod (63), a handle (69) is fixedly installed on the outer wall, far away from the rotating groove (66), of the eccentric wheel (68), and pressing grooves (65) are formed in two sides of the top of a connecting groove (64) in the upper frame (.

2. The core-making equipment mould-assembling structure for sand core mould production according to claim 1, characterized in that: the inner wall and the outer wall of the upper box body (1) and the outer wall of the lower box body (2) are flush, the cylindrical pins (10) and the rhombic pins (11) are located on the same straight line, and the diameters of the cylindrical pins (10) and the long diagonal lines of the rhombic pins (11) are equal to the inner diameter of the positioning hole (5).

3. The core-making equipment mould-assembling structure for sand core mould production according to claim 1, characterized in that: the difference between the radius of the eccentric wheel (68) and the distance from the axis of the eccentric shaft (67) to the axis of the eccentric wheel (68) is larger than the distance from the axis of the eccentric shaft (67) to the top of the upper frame (3), and the radius of the eccentric wheel (68) is larger than the distance from the axis of the eccentric shaft (67) to the bottom surface of the pressure groove (65).

4. The core-making equipment mould-assembling structure for sand core mould production according to claim 1, characterized in that: go up frame (1) and open on one side that two indent (65) on one side are close to mutually and have spout (7), slide joint slider (8) in spout (7), install spring (12) between the one end of indent (65) is kept away from in slider (8) and spout (7), it has locking hole (9) to open on slider (8), the internal diameter in locking hole (9) equals the external diameter of handle (69).

5. The core-making equipment mould-assembling structure for sand core mould production according to claim 4, characterized in that: the handle (65) is close to the baffle (13) fixedly installed on the outer wall of the eccentric wheel (68) on one side of the sliding groove (7), the distance between the baffle (13) and the handle (69) is equal to the distance between the stop hole (9) and the top of the upper frame (3), the spring (12) is always in a compression state, and the bottom of the sliding block (8) and the sliding groove (7) are of a T-shaped structure matched with each other.

Technical Field

The invention relates to the technical field of sand casting, in particular to a core making equipment mould assembling structure for sand core mould production.

Background

When the production psammitolite mould, need align the die joint of last box and lower box together, thereby be convenient for the casting, present mould assembling mode is all through the sand box, make bolt structural connection on the template, and through screw thread and nut locking, however, each outer wall department of sand box needs many places to lock, insert the bolt into the sand box repeatedly, it is more loaded down with trivial details to twist the nut again on the template and need rotate nut locking many times, and, the nut tightening degree of bolt is different everywhere, can lead to each limit of box atress balance, easily lead to the box to warp and make die joint department stick up limit or wrong case, for this reason we propose a psammitolite mould production with core-making equipment mould assembling structure and be used for solving above-mentioned problem.

Disclosure of Invention

The invention aims to provide a core-making equipment mould-assembling structure for sand core mould production, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a core making device box closing structure for sand core mold production comprises an upper box body and a lower box body, wherein positioning holes are formed in two side end faces of the lower box body, a cylindrical pin is fixedly installed on one side end face of the upper box body, a diamond-shaped pin is rotatably sleeved on the other side end face of the upper box body, the cylindrical pin and the diamond-shaped pin are respectively connected onto the two positioning holes in a sliding and clamping mode, an upper frame and a lower frame are respectively and fixedly installed on the outer walls of the end faces, close to the upper box body and the lower box body, respectively, a locking mechanism is installed between the upper frame and the lower frame and comprises a connecting groove and an eccentric wheel, the two ends of each side wall of the upper frame and the lower frame are respectively provided with the connecting groove, a U-shaped seat is fixedly installed at the bottom of the connecting groove on the lower frame, an inner cavity of the U-shaped seat is rotatably sleeved with a, the inner wall of the rotary groove is rotatably sleeved with two ends of an eccentric shaft, the outer wall of the eccentric shaft is fixedly connected with the other end of the pull rod, a handle is fixedly installed on the outer wall of the eccentric wheel far away from the rotary groove, and pressing grooves are formed in two sides of the top of a connecting groove in the upper frame.

Preferably, the inner wall and the outer wall of the upper box body and the outer wall of the lower box body are flush, the cylindrical pin and the diamond-shaped pin are located on the same straight line, and the diameter of the cylindrical pin and the long diagonal line of the diamond-shaped pin are equal to the inner diameter of the positioning hole.

Preferably, the difference between the radius of the eccentric wheel and the distance from the axis of the eccentric shaft to the axis of the eccentric wheel is larger than the distance from the axis of the eccentric shaft to the top of the upper frame, and the radius of the eccentric wheel is larger than the distance from the axis of the eccentric shaft to the bottom surface of the pressure groove.

Preferably, the upper frame is provided with a sliding groove at one side close to the two pressing grooves on the same side, the sliding groove is internally provided with a clamping sliding block in a sliding mode, a spring is installed between one ends, away from the pressing grooves, of the sliding block and the sliding groove, the sliding block is provided with a locking hole, and the inner diameter of the locking hole is equal to the outer diameter of the handle.

Preferably, a baffle is fixedly installed on the outer wall of the eccentric wheel on one side, close to the sliding groove, of the handle, the distance between the baffle and the handle is equal to the distance from the stop hole to the top of the upper frame, the spring is always in a compressed state, and the bottom of the sliding block and the sliding groove are of a T-shaped structure matched with each other.

Compared with the prior art, the invention has the beneficial effects that: the cylindrical pin and the diamond-shaped pin are inserted into the positioning hole, and the end faces of the upper box body and the lower box body are combined to realize quick positioning of two pins on one side, so that the inner and outer walls of the upper box body and the lower box body are quickly aligned, and the box assembling is facilitated; the pull rod is clamped into the connecting groove through rotation of the rotating shaft, the sliding block is far away from the pressure groove in a sliding mode, the eccentric wheel is driven by the handle to rotate around the eccentric shaft, so that the eccentric wheel gradually compresses the pressure groove, the upper frame and the lower frame are rapidly compressed, the thickness of the eccentric wheel is equal to the width of the pressure groove, the upper frame and the lower frame are further limited, sliding and mismatching between the upper box body and the lower box body are avoided, the upper box body and the lower box body are rapidly locked and fixed, and operation is simple and convenient; after the baffle plate is pressed on the upper frame, the eccentric wheels stop rotating, so that the pressure of each eccentric wheel to the pressure groove is the same, the stress on each side of the upper box body and the lower box body is the same, and the upper box body and the lower box body are prevented from deforming; after the eccentric wheel compresses the pressing groove, the sliding block is loosened, and the spring pushes the sliding block to enable the stop hole to be clamped on the handle, so that the eccentric wheel is fixed and is firmly and reliably locked.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a cross-sectional front view of a positioning hole according to the present invention;

FIG. 3 is a schematic sectional front view of the locking mechanism of the present invention;

FIG. 4 is a schematic left-side sectional view of the chute of the present invention.

In the figure: the device comprises an upper box body 1, a lower box body 2, an upper frame 3, a lower frame 4, a positioning hole 5, a locking mechanism 6, a 61U-shaped seat, a rotating shaft 62, a pull rod 63, a connecting groove 64, a pressing groove 65, a rotating groove 66, an eccentric shaft 67, an eccentric wheel 68, a handle 69, a sliding groove 7, a sliding block 8, a locking hole 9, a cylindrical pin 10, a diamond pin 11, a spring 12 and a baffle 13.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a core-making device box-closing structure for sand core mold production comprises an upper box body 1 and a lower box body 2, wherein positioning holes 5 are formed in two side end surfaces of the lower box body 2, a cylindrical pin 10 is fixedly installed on one side end surface of the upper box body 1, a diamond-shaped pin 11 is rotatably sleeved on the other side end surface of the upper box body 1, the cylindrical pin 10 and the diamond-shaped pin 11 are respectively clamped on the two positioning holes 5 in a sliding manner, the outer walls of the end surfaces, close to the upper box body 1 and the lower box body 2, of the upper frame 3 and the lower frame 4 are respectively and fixedly installed on the upper side wall and the lower side wall 4, a locking mechanism 6 is installed between the upper frame 3 and the lower frame 4, the locking mechanism 6 comprises a connecting groove 64 and an eccentric wheel 68, the two ends of each side wall of the upper frame 3 and the lower frame 4 are respectively provided with the connecting groove 64, a U-shaped seat 61 is fixedly installed at the bottom of the connecting groove 64 on the lower frame, the inner wall of the rotary groove 66 is rotatably sleeved with two ends of an eccentric shaft 67, the outer wall of the eccentric shaft 67 is fixedly connected with the other end of the pull rod 63, a handle 69 is fixedly arranged on the outer wall of the eccentric wheel 68 far away from the rotary groove 66, and two sides of the top of the connecting groove 64 on the upper frame 3 are provided with pressing grooves 65. Go up box 1 and lower box 2 and insert locating hole 5 through cylindric lock 10 and diamond pin 11, and the terminal surface of combining box 1 and lower box 2 realizes "one side two round pins" and fixes a position fast, make and go up box 1 and lower box 2 inside and outside wall alignment, rotate pull rod 63 through pivot 62 and block in the spread groove 64, drive eccentric wheel 68 through handle 69 and rotate around eccentric shaft 67, make eccentric wheel 68 compress tightly indent 65 gradually, thereby compress tightly last frame 3 and lower frame 4 fast, and the thickness of eccentric wheel 68 equals indent 65 width, further carry out spacingly to last frame 3 and lower frame 4, avoid going up box 1 and lower box 2 and producing the slip, wrong case, make and go up box 1 and lower box 2 quick locking fixed, the operation of being convenient for.

Go up the equal parallel and level of the interior outer wall of box 1 and lower box 2, cylindric lock 10 and rhombus round pin 11 are located same straight line, and the diameter of cylindric lock 10 and the equal internal diameter in locating hole 5 of long diagonal of rhombus round pin 11, and in cylindric lock 10 directly blocked locating hole 5, rhombus round pin 11 can rotate and block in locating hole 5, is convenient for realize "two round pins on one side" location.

The difference between the radius of the eccentric wheel 68 and the distance from the axis of the eccentric shaft 67 to the axis of the eccentric wheel 68 is larger than the distance from the axis of the eccentric shaft 67 to the top of the upper frame 3, when the axis of the handle 69, the axis of the eccentric wheel 68 and the axis of the eccentric shaft 67 are positioned on the same straight line, the eccentric wheel 68 does not contact the upper frame 3, the pull rod 63 is conveniently clamped into the connecting groove 64, the radius of the eccentric wheel 68 is larger than the distance from the axis of the eccentric shaft 67 to the bottom surface of the pressure groove 65, and when the handle 69 drives the eccentric wheel 68 to rotate, the circumferential outer wall of.

The side, close to two press grooves 65, on the same side of the upper frame 1 is provided with a sliding groove 7, a sliding block 8 is clamped in the sliding groove 7 in a sliding mode, a spring 12 is installed between the sliding block 8 and one end, far away from the press grooves 65, of the sliding groove 7, a stop hole 9 is formed in the sliding block 8, the inner diameter of the stop hole 9 is equal to the outer diameter of a handle 69, a baffle 13 is fixedly installed on the outer wall of an eccentric wheel 68 on one side, close to the sliding groove 7, of the handle 65, the distance between the baffle 13 and the handle 69 is equal to the distance between the stop hole 9 and the top of the upper frame 3, when the handle 69 drives the eccentric wheel 68 to rotate to press the press grooves 65, when the baffle 13 presses the upper frame 3, the eccentric wheel 68 stops rotating, so that the pressure of each eccentric wheel 68 on the press grooves 65 is the same, the stress on each side of the upper box 1 and the lower box 2 is the same, the deformation of the upper box 1 and the lower box 2 is, the spring 12 pushes the slide block 8 to make the stop hole 9 catch on the handle 69, so that the eccentric wheel 68 is fixed and the locking is reliable.

The bottom of the sliding block 8 and the sliding groove 7 are of T-shaped structures matched with each other, so that the sliding block 8 is prevented from being separated from the sliding groove 7.

The working principle is as follows: when the invention is used, the upper box body 1 and the lower box body 2 are inserted into the positioning hole 5 through the cylindrical pin 10 and the diamond-shaped pin 11, and the end surfaces of the upper box body 1 and the lower box body 2 are combined to realize the rapid positioning of one surface and two pins, so that the inner and outer walls of the upper box body 1 and the lower box body 2 are aligned, the pull rod 63 is rotationally clamped into the connecting groove 64 through the rotating shaft 62, the slide block 8 is slid away from the pressing groove 65, the handle 69 drives the eccentric wheel 68 to rotate around the eccentric shaft 67, so that the eccentric wheel 68 gradually presses the pressing groove 65, the upper frame 3 and the lower frame 4 are rapidly pressed, the thickness of the eccentric wheel 68 is equal to the width of the pressing groove 65, the upper frame 3 and the lower frame 4 are further limited, the sliding and the box staggering between the upper box body 1 and the lower box body 2 are avoided, the upper box body 1 and the lower box body 2 are rapidly locked and fixed, the operation is convenient, the eccentric wheel, the pressure of each eccentric wheel 68 on the pressure groove 65 is the same, the stress on each side of the upper box body 1 and the lower box body 2 is the same, the upper box body 1 and the lower box body 2 are prevented from deforming, the sliding block 8 is loosened after the eccentric wheels 68 press the pressure grooves 65, the spring 12 pushes the sliding block 8 to enable the stop holes 9 to be clamped on the handle 69, and therefore the eccentric wheels 68 are fixed and locked reliably.

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.