CN113245514B

CN113245514B - Sand box fixture

Info

Publication number: CN113245514B
Application number: CN202110589096.XA
Authority: CN
Inventors: 彭志宁; 田鑫; 魏守田; 缑鹏森; 陈思明; 沙龙; 苏少静
Original assignee: Kocel Machinery Co Ltd
Current assignee: Kocel Machinery Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2023-02-10
Anticipated expiration: 2041-05-28
Also published as: CN113245514A

Abstract

The utility model relates to a sand box fixture, including fastening portion and drive division, fastening portion is including the base and the fastening connection pole that link to each other, the drive division includes support and drive shaft, the drive shaft rotationally set up in on the support, be provided with the connecting piece in the drive shaft, the spacing cooperation in one side of base and sand box, the support with the spacing cooperation of opposite side of sand box, the perforation has been seted up to the support, fastening connection pole's one end is passed in proper order the sand box with the perforation, and with the connecting piece cooperation is connected, rotates the drive shaft so that the fastening connection pole drive the support is along being close to or keeping away from the direction of base removes the sand box is in under the condition of predetermineeing the position, fixes the drive shaft is in order to restrict its rotation. The sand box fixture that this scheme can solve the present use makes and the comparatively complicated problem of use.

Description

Sand box fixture

Technical Field

The invention relates to the technical field of equipment tools, in particular to a sand box fixture.

Background

In the casting production process, the sand box needs to be fastened when the sand box is closed, at present, a clamp is usually adopted to fasten the sand box, and the clamp for fastening the sand box comprises a wedge-shaped clamp, a swing-type clamp, a bolt clamp and the like. However, wedge-shaped clamps are not only cumbersome to manufacture, but also require special sand boxes to use such clamps; the swing type clamp has high processing precision and short service life; the bolt clamp is time consuming and labor consuming to operate.

Fastening the flask is an important part of the casting process and directly affects the size of the cast. However, the sand box clamp used at present is complicated in manufacturing and using processes, and the problem of the size of the cast part caused by the clamp problem also often occurs, so that a clamp is urgently needed to meet the requirement.

Disclosure of Invention

Based on this, it is necessary to provide a sand box clamp aiming at the problem that the manufacturing and using processes of the sand box clamp used at present are complicated.

In order to solve the problems, the invention adopts the following technical scheme:

the embodiment of the invention discloses a sand box fixture, which comprises a fastening part and a driving part, wherein the fastening part comprises a base and a fastening connecting rod which are connected, the driving part comprises a support and a driving shaft, the driving shaft is rotatably arranged on the support, a connecting piece is arranged on the driving shaft, the base is in limit fit with one side of a sand box, the support is in limit fit with the other side of the sand box, a through hole is formed in the support, one end of the fastening connecting rod sequentially penetrates through the sand box and the through hole and is in fit connection with the connecting piece, the driving shaft is rotated to enable the fastening connecting rod to drive the support to move in a direction close to or far away from the base, and the driving shaft is fixed to limit the rotation of the sand box under the condition that the sand box is at a preset position.

In one embodiment, the number of the driving shafts is two, the connecting pieces are arranged on the two driving shafts, and one end of the fastening connecting rod is located between the two connecting pieces and is in fit connection with the two connecting pieces.

In one embodiment, the fixing device further comprises a fixing pin, a connecting disc is arranged at the end of at least one of the driving shafts, a through hole is formed in the connecting disc, and the fixing pin penetrates through the through hole to limit the rotation of the driving shaft.

In one embodiment, the connecting discs are arranged at the end parts of the two driving shafts, the two connecting discs are distributed in a staggered manner, a plurality of through holes are formed in the two connecting discs at intervals, the two through holes in the two connecting discs are opposite to each other under the condition that the sand box is in a preset position, and the fixing pin sequentially penetrates through the two through holes to limit the rotation of the two driving shafts.

In one embodiment, the end portions of both of the drive shafts are provided with a handle.

In one embodiment, the handle is detachably disposed at an end of the driving shaft.

In one embodiment, one of the end of the driving shaft and the end of the handle is provided with a male buckle, and the other one of the end of the driving shaft and the end of the handle is provided with a female buckle, and the male buckle is connected and matched with the female buckle.

In one embodiment, the connecting member is a gear, one end of the fastening connecting rod is a straight groove section, and the gear is meshed with the straight groove section.

In one embodiment, the bracket is a U-shaped structural member, and two ends of the driving shaft are respectively and rotatably disposed on two side walls of the U-shaped structural member.

In one of them embodiment, two the connecting hole has all been seted up to the lateral wall, the one end of drive shaft is provided with the stopper, the stopper with one of them the spacing cooperation of outside end of connecting hole, the other end of drive shaft passes two in proper order the connecting hole, and with another the spacing cooperation of outside end of connecting hole.

The technical scheme adopted by the invention can achieve the following beneficial effects:

in the sand box fixture disclosed by the embodiment of the invention, the sand box is clamped through the fastening part and the driving part, so that the subsequent casting process of the sand box is facilitated. Compared with the conventional sand box fastening mode, the sand box fixture disclosed by the embodiment of the invention has the advantages of simple structure, convenience in operation and capability of effectively improving the production efficiency. Meanwhile, the sand box clamp has good clamping stability to the sand box, so that the sand box can be prevented from vibrating in the casting process, the sand inclusion defect of the casting is reduced, and the quality of the casting is ensured.

Drawings

FIG. 1 is a schematic view showing a flask clamp according to an embodiment of the present invention in an applied state;

FIG. 2, FIG. 3, FIG. 4 and FIG. 5 are schematic views of four parts of a flask clamp according to an embodiment of the present invention.

Description of the reference numerals:

100-a base;

200-fastening a connecting rod;

300-a support;

400-driving shaft, 410-connecting piece, 420-connecting disc, 421-through hole, 430-handle, 440-male buckle, 450-female buckle and 460-limiting block;

500-flask.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 5, the embodiment of the invention discloses a sand box clamp which is used for fastening a sand box 500 before casting and specifically comprises a fastening part and a driving part.

The fastening portion includes base 100 and fastening connecting rod 200 that link to each other, and base 100 specifically plays the effect of support, and consequently, base 100 can be solid sheet material spare to guarantee that base 100 can play better supporting role, simultaneously, base 100 can link to each other through modes such as welding or bonding with fastening connecting rod 200, and in the connection process, fastening connecting rod 200 can be perpendicular to base 100, so that the subsequent application of fastener.

The driving part comprises a bracket 300 and a driving shaft 400, the bracket 300 can provide a mounting position for other positions of the driving part, specifically, the driving shaft 400 is rotatably arranged on the bracket 300, that is, the driving shaft 400 can rotate on the bracket 300, a connecting piece 410 is arranged on the driving shaft 400, and the connecting piece 410 is used for realizing driving connection between the driving shaft 400 and other parts.

In a specific application process, the base 100 is in limit fit with one side of the sand box 500, the support 300 is in limit fit with the other side of the sand box 500, so that the sand box 500 is located between the base 100 and the support 300, the support 300 is provided with a through hole, one end of the fastening connecting rod 200 on the base 100 sequentially penetrates through the sand box 500 and the through hole and is in fit connection with the connecting piece 410, the driving shaft 400 is rotated to drive the connecting piece 410 to rotate, and the connecting piece 410 is in fit connection with the fastening connecting rod 200, so that the fastening connecting rod 200 drives the support 300 to move in a direction close to or far away from the base 100, and the sand box 500 is clamped between the base 100 and the support 300, or the sand box 500 is dismounted. With the flask 500 in the preset position, the drive shaft 400 is fixed to restrict the rotation thereof, so that the relative positions of the base 100 and the brace 300 are fixed, thereby achieving chucking of the flask 500.

As can be seen from the above, in the sand box clamp disclosed in the embodiment of the present invention, the clamping of the sand box 500 is realized by the fastening portion and the driving portion, so that the sand box 500 can be conveniently subjected to the subsequent casting process. Compared with the conventional sand box fastening mode, the sand box fixture disclosed by the embodiment of the invention has the advantages of simple structure, convenience in operation and capability of effectively improving the production efficiency. Meanwhile, the clamping stability of the sand box clamp to the sand box 500 is good, so that the sand box 500 can be prevented from vibrating in the casting process, the sand inclusion defect of the casting is reduced, and the quality of the casting is ensured.

In the embodiment of the present invention, in order to ensure that the driving portion has a better driving effect, the number of the driving shafts 400 may be two, please refer to fig. 1 again, preferably, the two driving shafts 400 may be horizontally arranged on the bracket 300, and the two driving shafts 400 may be provided with the connecting member 410, in a specific application process, one end of the fastening connecting rod 200 may be located between the two connecting members 410, and the fastening connecting rod 200 and the two connecting members 410 are connected in a matching manner. In this case, the two connecting members 410 can be in driving connection with the fastening connecting rod 200, so that the fastening connecting rod 200 can be driven to move relatively easily, and the sand box 500 can be clamped easily.

Meanwhile, since the fastening connecting rod 200 is located between the two connecting pieces 410, in this case, the two connecting pieces 410 can also guide the fastening connecting rod 200, so that the fastening effect of the sand box 500 due to the offset of the fastening connecting rod 200 can be prevented. Moreover, this way, the fastening connection rod 200 can be always in driving connection with the connection member 410, so as to ensure driving stability.

Further, the sand box clamp disclosed in the embodiment of the present invention may further include a fixing pin, the end of at least one driving shaft 400 may be provided with a connecting disc 420, the connecting disc 420 may be provided with a through hole 421, and the fixing pin may pass through the through hole 421 to limit the rotation of the driving shaft 400 when the sand box 500 is at a predetermined position, that is, when the structure of the sand box 500 meets the casting requirement, so as to fasten the sand box 500. This way, the structure is simple, the operation is convenient, and the sand box 500 can be fastened more easily. Of course, the manner of fixing the driving shaft 400 may be various, such as clamping, and the embodiment of the present invention is not limited thereto.

In an alternative embodiment, the end portions of the two driving shafts 400 may be provided with the connecting discs 420, and the two connecting discs 420 may be distributed in a staggered manner, that is, portions of the two connecting discs 420 are overlapped, and a plurality of through holes 421 may be formed in each of the two connecting discs 420 at intervals. In the state where the flask 500 is at the predetermined position, the two through holes 421 of the two coupling disks 420 may be opposed to each other, and in particular, the coupling disks 420 may be rotated so that the through hole 421 of one of the coupling disks 420 can be opposed to the through hole 421 of the other coupling disk 420, and the fixing pins may sequentially pass through the two through holes 421 so that the two coupling disks 420 are restricted from each other, and thus the rotation of the two driving shafts 400 is restricted so that the fixing bracket 300 is positioned relative to the base 100. In this case, it is not necessary to provide another fixing structure to fix the driving shaft 400, so that the entire driving unit has a simple structure and is easy to operate.

To facilitate driving the drive shaft 400 to rotate, the ends of both drive shafts 400 may be provided with handles 430. In this case, the worker may drive the driving shaft 400 through the two handles, so that the driving shaft 400 may be more easily rotated, and the distance between the support 300 and the base 100 may be more easily changed, thereby improving the fastening effect of the flask 500.

Of course, in the embodiment of the present invention, the number of the handles 430 may be one or two, and the handles 430 may be arranged according to the number and specific situations of the driving shafts 400, which is not limited in the embodiment of the present invention.

Accordingly, for the convenience of the user, the flask clamp disclosed in the embodiment of the present invention may further include a handle 430, and the handle 430 may be detachably disposed at an end of the driving shaft 400. In this case, when it is required to rotate the driving shaft 400, the handle 430 may be fitted to the end of the driving shaft 400, and then the driving shaft 400 may be rotated by the handle 430; the handle 430 may be removed when the flask 500 is secured in place, thereby preventing the handle from interfering with the particular casting process.

Of course, there are various ways in which the handle 430 may be detachably connected to the end of the driving shaft 400, and alternatively, one of the end of the driving shaft 400 and the end of the handle 430 may be provided with the sub-button 440, and the other may be provided with the female button 450, that is, the end of the driving shaft 400 may be provided with the sub-button 440, and the end of the handle 430 may be provided with the female button 450, or the end of the driving shaft 400 may be provided with the female button 450 and the end of the handle 430 may be provided with the sub-button 440, which is not limited in this embodiment of the present invention. The sub-button 440 and the female button 450 can be connected and matched, which not only ensures the good connection stability of the handle 430 and the driving shaft 400, but also can facilitate the operation to improve the installation efficiency. Of course, in case that the end of the driving shaft 400 is provided with the connection disc 420, the outer end of the connection disc 420 may be provided with the male snap 440 or the female snap 450 to facilitate the connection with the handle 430.

In the embodiment of the present invention, the connecting member 410 and the fastening connection rod 200 may have a worm gear structure, and optionally, the connecting member 410 may be a gear, and one end of the fastening connection rod 200 may be a straight groove section, and the gear may be engaged with the straight groove section. In this case, the connecting member 410 not only can stably drive the fastening connecting rod 200 to move relatively, but also has a better driving effect, so as to fasten the sand box 500 better, thereby improving the working efficiency.

In an embodiment of the present invention, the bracket 300 may be a U-shaped structural member, that is, the bracket 300 may be U-shaped, and two ends of the driving shaft 400 are respectively and rotatably disposed on two sidewalls of the U-shaped structural member. The bracket 300 with the structure not only facilitates the assembly of other parts of the driving part, but also has simple structure and saves materials, thereby saving the production cost of the whole sand box clamp.

Further, connecting holes can be formed in the two side walls, a limiting block 460 can be arranged at one end of the driving shaft 400, the limiting block 460 is in limiting fit with the outer side end of one connecting hole, the other end of the driving shaft 400 can sequentially penetrate through the two connecting holes and can be in limiting fit with the outer side end of the other connecting hole, and therefore assembly of the driving shaft 400 is achieved. The mode has simple structure and convenient operation, thereby improving the assembly efficiency of the whole sand box fixture.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A sand box clamp, which is characterized by comprising a fastening part and a driving part, wherein the fastening part comprises a base (100) and a fastening connecting rod (200) which are connected, the driving part comprises a bracket (300) and a driving shaft (400), the driving shaft (400) is rotatably arranged on the bracket (300), a connecting piece (410) is arranged on the driving shaft (400), the base (100) is in limit fit with one side of a sand box (500), the bracket (300) is in limit fit with the other side of the sand box (500), the bracket (300) is provided with a through hole, one end of the fastening connecting rod (200) sequentially penetrates through the sand box (500) and the through hole and is in fit connection with the connecting piece (410), the driving shaft (400) is rotated to enable the fastening connecting rod (200) to drive the bracket (300) to move in a direction close to or far away from the base (100), and the driving shaft (400) is fixed to limit the rotation of the driving shaft under the condition that the sand box (500) is at a preset position;

the number of the driving shafts (400) is two, the connecting pieces (410) are arranged on the two driving shafts (400), one end of the fastening connecting rod (200) is positioned between the two connecting pieces (410), and the fastening connecting rod is matched and connected with the two connecting pieces (410);

the fixing device is characterized by further comprising a fixing pin, a connecting disc (420) is arranged at the end part of at least one driving shaft (400), a through hole (421) is formed in the connecting disc (420), and the fixing pin penetrates through the through hole (421) to limit the driving shaft (400) to rotate;

two the tip of drive shaft (400) all is provided with connect disc (420), and two connect disc (420) staggered distribution, two connect disc (420) go up all the interval and seted up a plurality ofly on the disc (421), under the condition that sand box (500) is in the preset position, two on the connection disc (420) through-hole (421) are relative, the fixed pin passes two in proper order through-hole (421) are in order to restrict two drive shaft (400) rotate.

2. A flask clamp according to claim 1, wherein the ends of both of the drive shafts (400) are provided with a handle (430).

3. A flask clamp according to claim 1, further comprising a handle (430), the handle (430) being detachably provided to an end of the drive shaft (400).

4. A flask clamp according to claim 3, wherein one of the end of the drive shaft (400) and the end of the handle (430) is provided with a male snap (440) and the other is provided with a female snap (450), the male snap (440) being in coupling engagement with the female snap (450).

5. A flask clamp according to claim 1, wherein the connecting member (410) is a gear, and one end of the fastening connecting rod (200) is a straight-grooved section, and the gear is engaged with the straight-grooved section.

6. A flask clamp according to claim 1, wherein the support frame (300) is a U-shaped structural member, and both ends of the driving shaft (400) are rotatably provided to both side walls of the U-shaped structural member, respectively.

7. The sand box clamp of claim 6, wherein the two side walls are provided with connecting holes, one end of the driving shaft (400) is provided with a limiting block (460), the limiting block (460) is in limiting fit with the outer side end of one of the connecting holes, and the other end of the driving shaft (400) sequentially penetrates through the two connecting holes and is in limiting fit with the outer side end of the other connecting hole.