CN221088405U - Auxiliary tool for removing burrs of sand core - Google Patents

Abstract

The utility model discloses an auxiliary tool for removing burrs of a sand core, which comprises an auxiliary plate, an inserting rod and guide rods, wherein a plurality of inserting rods are arranged at the bottom end of the auxiliary plate, a transverse plate is arranged at the bottom ends of the inserting rods and the auxiliary plate, an external connecting block is arranged on the outer wall of the transverse plate, a moving groove is formed in the external connecting block, a plurality of guide rods are arranged in the moving groove, a moving block is arranged on the outer wall of the guide rod, a magic tape structure is arranged on the outer wall of the moving block, a deburring brush head is arranged on the outer wall of the magic tape structure, a first friction block is arranged on the inner wall of the moving groove, a rigid spring is sleeved on the outer wall of the guide rod, the top end and the bottom end of the rigid spring are respectively connected with the side walls of the moving groove and the moving block, the device drives the deburring brush head to reset through elastic deformation of a tension spring and the rigid spring, so that the sand core cam gear drives the deburring brush head to squeeze a hole and simultaneously reciprocate the deburring brush head.

Description

Auxiliary tool for removing burrs of sand core

Technical Field

The utility model relates to the technical field of deburring tools, in particular to an auxiliary tool for removing burrs of a sand core.

Background

Various sand cores are needed in the casting process of the automobile cylinder cover, and defects such as burrs are easy to occur in the production process of the sand cores, so that the quality of castings is seriously affected.

However, the existing auxiliary tool for removing the burrs of the sand core has the following problems in the use process: the traditional burr removal of the existing sand core is mostly manually removed, the working efficiency is low, the sand core is easy to repair, casting defects such as gaps are easy to generate, and the casting quality is seriously affected.

Disclosure of utility model

The present utility model is directed to an auxiliary tool for removing burrs of a sand core, so as to solve the above related problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an appurtenance for removing sand core burr, includes accessory plate, inserted bar and guide arm, a plurality of inserted bars are installed to the bottom of accessory plate, and the bottom of inserted bar and accessory plate installs the transverse plate, the external piece is installed to the outer wall of transverse plate, and the removal groove has been seted up to the inside of external piece, and the internally mounted of removal groove has a plurality of guide arms, the movable block is installed to the outer wall of guide arm, and the outer wall of movable block is provided with the magic subsides structure, the outer wall of magic subsides structure is provided with the burring brush head, first clutch block is installed to the inner wall of removal groove, the outer wall cover of guide arm is equipped with rigid spring, and rigid spring top and bottom are connected with the lateral wall of movable groove and movable block respectively, the outer wall cover of guide arm is equipped with the extension spring, and the extension spring bottom is connected with the outer wall of movable block, the below of accessory plate is provided with sand core cam shelves, and the inside of sand core cam shelves is seted up the hole.

The utility model provides an appurtenance for removing psammitolite burr, the handle is installed to the both sides on accessory plate top, and the outer wall of handle is provided with the anti-skidding line.

The utility model provides an appurtenance for removing psammitolite burr, the magic is pasted the structure and is pasted the son including the female subsides of magic subsides and magic subsides, the outer wall of movable block is provided with the female subsides of magic subsides, the outer wall of burring brush head is provided with the magic subsides.

The appurtenance for removing sand core burr that this technical scheme provided, the inside of burring brush head outer wall and hole closely laminates.

The appurtenance for removing sand core burr that this technical scheme provided, the second friction block is installed to the outer wall of movable block, and the outer wall of second friction block closely laminates with the outer wall of first friction block.

Compared with the prior art, the utility model provides an auxiliary tool for removing burrs of a sand core, which has the following beneficial effects:

1. According to the utility model, an operator presses the auxiliary plate to the sand core cam gear, so that the insert rod and the transverse plate are driven to contact with the hole, the deburring brush heads on the outer walls of the transverse plate and the insert rod are further contacted with the inside of the sand core cam gear, the moving block drives the second friction block to slide with the first friction block through downward pushing force, the moving block presses the rigid spring position, the tension spring position is stretched, then the tension spring and the rigid spring position are elastically deformed, and the moving block drives the deburring brush heads to reset, so that the sand core cam gear drives the deburring brush heads to press the hole, and meanwhile, the deburring brush heads are vertically and reciprocally displaced.

2. According to the utility model, the female velcro stickers are arranged at the deburring brush head, the velcro stickers are arranged at the moving block, and then the deburring brush head is removed and replaced, and the deburring brush head is a wear-prone piece and needs to be removed and replaced frequently, so that the practicability of the removing structure is higher.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the present utility model in front elevation with a cut-away view;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic perspective view of a plunger and deburring brush head of the present utility model;

Fig. 5 is a schematic view of the bottom and top view of the auxiliary plate and sand core cam gear of the present utility model.

In the figure: 1. an auxiliary plate; 2. a handle; 3. a rod; 4. a sand core cam gear; 5. a void; 6. a transverse plate; 7. an outer joint block; 8. a moving groove; 9. a first friction block; 10. a guide rod; 11. a moving block; 12. a second friction block; 13. a rigid spring; 14. a magic tape structure; 15. a deburring brush head; 16. and a tension spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1, as shown in fig. 1-2, the present utility model provides a technical solution: the utility model provides an appurtenance for removing psammitolite burr, includes accessory plate 1, inserted bar 3 and guide arm 10, and a plurality of inserted bars 3 are installed to the bottom of accessory plate 1, and the transverse plate 6 is installed to the bottom of inserted bar 3 and accessory plate 1, outer piece 7 is installed to the outer wall of transverse plate 6, and the inside of outer piece 7 has been seted up movable groove 8, and the internally mounted of movable groove 8 has a plurality of guide arms 10, movable block 11 is installed to the outer wall of guide arm 10, and the outer wall of movable block 11 is provided with magic subsides structure 14, the outer wall of magic subsides structure 14 is provided with the burring brush head 15, the magic subsides structure 14 is including the female subsides of magic subsides and the sub-subsides of magic subsides, the outer wall of movable block 11 is provided with the sub-subsides of magic subsides, the outer wall of burring brush head 15 closely laminates with the inside of hole 5, be provided with the female subsides of magic subsides through burring head 15 department, and movable block 11 department sets up the sub-subsides of magic subsides, and then demolishs the position to the burring brush head 15 and demolish the position, the high practicality is required to demolish the high-order to change the position because of the burring brush head 15 is high in the loss.

In example 2, as shown in fig. 1-5, the present utility model provides a technical solution: an auxiliary tool for removing sand core burrs comprises a first friction block 9 arranged on the inner wall of a moving groove 8, a rigid spring 13 sleeved on the outer wall of a guide rod 10, tension springs 16 sleeved on the outer wall of the guide rod 10 and connected with the side walls of the moving groove 8 and the moving block 11 respectively, a hole 5 arranged in the sand core cam block 4, handles 2 arranged on two sides of the top end of the auxiliary plate 1, anti-skidding threads arranged on the outer wall of the handles 2, a second friction block 12 arranged on the outer wall of the moving block 11, the outer wall of the second friction block 12 tightly attached to the outer wall of the first friction block 9, and extruded to the sand core cam block 4 through the auxiliary plate 1, thereby drive inserted bar 3 and transverse plate 6 department and hole 5 contact, and then the burring brush head 15 of transverse plate 6 and inserted bar 3 outer wall is with the inside contact of psammitolite cam shelves 4, and through downward thrust, make movable block 11 drive second friction block 12 and the slip of first friction block 9 department, then movable block 11 extrudees stiff spring 13 position, tension spring 16 position takes place to stretch simultaneously, then, elastic deformation in tension spring 16 and stiff spring 13 position, and then movable block 11 drive burring brush head 15 resets, make psammitolite cam shelves 4 drive burring brush head 15 to extrude hole 5 department simultaneously, reciprocate the friction from top to bottom to burring brush head 15 position, be convenient for remove the psammitolite of psammitolite cam shelves 4 department and have the burring effect, make work efficiency high, the condition of hourglass repair is difficult to appear, product quality has been guaranteed.

Working principle: firstly, the handle 2 drives the auxiliary plate 1 to push downwards so as to drive the insert rod 3 and the transverse plate 6 to contact with the hole 5, and further the deburring brush head 15 on the outer walls of the transverse plate 6 and the insert rod 3 is in contact with the inside of the sand core cam gear 4, and the moving block 11 drives the second friction block 12 to slide with the first friction block 9 through the downward pushing force, so that the moving block 11 extrudes the position of the rigid spring 13, simultaneously the tension spring 16 stretches, then the tension spring 16 and the rigid spring 13 elastically deform, and the moving block 11 drives the deburring brush head 15 to reset, so that the sand core cam gear 4 drives the deburring brush head 15 to extrude the hole 5, and simultaneously the deburring brush head 15 is rubbed up and down, thereby facilitating the removal of sand cores at the sand core cam gear 4 and having deburring effect, ensuring the working efficiency to be high, ensuring the product quality, and not easy occurrence of missed repair;

Because the deburring brush head 15 is a wearing part, the replacement needs to be frequently dismantled, the female subsides of magic subsides are arranged at the position of the deburring brush head 15, the magic subsides are arranged at the position of the movable block 11, and then the replacement is dismantled at the position of the deburring brush head 15, and because the position of the deburring brush head 15 is a wearing part, the replacement needs to be frequently dismantled, and the practicability of the dismantling structure is higher.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims (5)

1. An auxiliary tool for removing sand core burrs comprises an auxiliary plate (1), an inserted link (3) and a guide rod (10), and is characterized in that: the bottom of the auxiliary plate (1) is provided with a plurality of inserted bars (3), the bottom of the inserted bars (3) and the bottom of the auxiliary plate (1) are provided with a transverse plate (6), the outer wall of the transverse plate (6) is provided with an external connection block (7), the interior of the external connection block (7) is provided with a moving groove (8), the interior of the moving groove (8) is provided with a plurality of guide rods (10), the outer wall of the guide rods (10) is provided with a moving block (11), the outer wall of the moving block (11) is provided with a magic tape structure (14), the outer wall of the magic tape structure (14) is provided with a deburring brush head (15), the inner wall of removal groove (8) is installed first friction block (9), the outer wall cover of guide arm (10) is equipped with stiff spring (13), and stiff spring (13) top and bottom are connected with the lateral wall of removal groove (8) and movable block (11) respectively, the outer wall cover of guide arm (10) is equipped with extension spring (16), and extension spring (16) bottom is connected with the outer wall of movable block (11), the below of accessory plate (1) is provided with psammitolite cam shelves (4), and hole (5) have been seted up to the inside of psammitolite cam shelves (4).

2. An auxiliary tool for removing sand core burrs according to claim 1, wherein: the handles (2) are arranged on two sides of the top end of the auxiliary plate (1), and anti-skid patterns are arranged on the outer walls of the handles (2).

3. An auxiliary tool for removing sand core burrs according to claim 1, wherein: the magic subsides structure (14) is including female subsides of magic subsides and magic subsides, the outer wall of movable block (11) is provided with female subsides of magic subsides, the outer wall of burring brush head (15) is provided with the magic subsides.

4. An auxiliary tool for removing sand core burrs according to claim 1, wherein: the outer wall of the deburring brush head (15) is tightly attached to the inside of the pore (5).

5. An auxiliary tool for removing sand core burrs according to claim 1, wherein: the second friction block (12) is arranged on the outer wall of the moving block (11), and the outer wall of the second friction block (12) is tightly attached to the outer wall of the first friction block (9).