CN209811150U - A hammer is got rid of to sand shell for lost wax investment casting - Google Patents

Abstract

The utility model discloses a hammer is got rid of to arena for lost wax investment casting, including first tup, the right side central point of first tup puts the welding and has the connecting seat, the right side joint of connecting seat has the connection soft pole, the right side joint of connecting the soft pole has the hammer handle, the inner chamber bottom central point of first tup puts the hub connection and has the screw rod, the upper surface of first tup is extended on the top of screw rod, the outer wall threaded connection of screw rod has the rectangular block. This a hammer is got rid of to sand shell for lost wax investment casting can prop the sand shell of small area and scrape through the scraper blade, and the device not only can come the arbitrary change according to the size of sand shell and beat the area of beating when beating, is convenient for smash the sand shell, and in addition, to the sand shell of those small areas, can prop and scrape, avoids beating by a large scale and leads to the apron impaired and warp, can not influence its subsequent use, uses in a flexible way, and the practicality is strong, satisfies the user demand in current market.

Description

A hammer is got rid of to sand shell for lost wax investment casting

Technical Field

The utility model relates to a lost wax investment casting technical field specifically is a hammer is got rid of to arenaceous shell for lost wax investment casting.

Background

In the lost wax investment casting process, a cover plate is required to be used for fixing a wax pattern, and after the cover plate is used for multiple times, a sand shell is easy to adhere to the surface of the cover plate, so that the cover plate can not be matched with the wax pattern, in the prior art, people use an iron hammer to beat the sand shell, so that the sand shell is crushed and falls off from the cover plate, however, because the beating area of the iron hammer is fixed, when a large area of sand shells are beaten, the iron hammer with smaller beating area is slightly careless and cannot break the sand shells well, moreover, when small-area sand shells still exist after being beaten, the cover plate is damaged and deformed due to overlarge beating area by continuously beating with the iron hammer, so that subsequent use is influenced, meanwhile, the operation of workers is not convenient, certain trouble is brought to the work, and the use requirement of the existing market cannot be met, so that a device is urgently needed to improve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hammer is got rid of to the sand shell for lost wax investment casting to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sand shell removing hammer for lost wax investment casting comprises a first hammer head, wherein a connecting seat is welded at the right center position of the first hammer head, a connecting soft rod is clamped at the right side of the connecting seat, a hammer handle is clamped at the right side of the connecting soft rod, a screw rod is axially connected at the center position of the bottom end of an inner cavity of the first hammer head, the top end of the screw rod extends out of the upper surface of the first hammer head, the outer wall of the screw rod is in threaded connection with a rectangular block, one end of a first connecting rod is clamped at the front side and the rear side of the rectangular block, the other end of the first connecting rod extends out of a sliding rail arranged on the outer wall of the first hammer head and is clamped with a second hammer head, the right center position of the second hammer head is in interference fit with one end of a round rod, the other end of the round rod extends into the inner cavity of the second hammer head, an inserting rod is in threaded connection with, the other end of the second connecting rod extends out of a slide way arranged on the left side of the first hammer head and is connected with a third hammer head through a shaft, slots are formed in the front end and the rear end of the right side of the third hammer head respectively, and a scraper is clamped at the top end of the third hammer head.

Preferably, the outer wall circumference of the hammer handle is attached with an anti-slip sticker.

Preferably, the slot is matched with the inserted rod and corresponds to the inserted rod in position.

Preferably, an included angle between the scraper and the third hammer is 45 degrees.

Preferably, the shape of the inserted rod is rectangular.

Compared with the prior art, the beneficial effects of the utility model are that: the hammer for removing the sand shell for lost wax investment casting can beat and crush the sand shell through the first hammer head, can reduce impact force during beating through the connecting soft rod, can lock the third hammer head and the second hammer head together through the matching of the screw rod, the rectangular block, the first connecting rod and the second connecting rod, can move the third hammer head and the second hammer head simultaneously upwards or downwards so as to change beating area, can lock the third hammer head and the second hammer head together through the matching of the round rod, the inserting rod and the inserting groove, can prop and scrape the small-area sand shell through the scraper plate, can not only randomly change the beating area during beating according to the size of the sand shell, is convenient for smashing the sand shell, but also can prop and scrape the small-area sand shell, avoids damage and deformation of a cover plate due to large-area beating, cannot influence subsequent use of the small-area sand shell, is flexible to use and strong in practicability, the use requirement of the existing market is met.

Drawings

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

fig. 2 is a sectional view of the inside of the first hammer head of the present invention;

fig. 3 is a schematic view of the top view structure of the insert rod of the present invention.

In the figure: 1. first tup, 2, connecting seat, 3, connect soft pole, 4, hammer handle, 5, screw rod, 6, rectangular block, 7, head rod, 8, second tup, 9, round bar, 10, inserted bar, 11, second connecting rod, 12, third tup, 13, slot, 14, scraper blade, 15, anti-skidding subsides.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sand shell removing hammer for lost wax investment casting comprises a first hammer head 1, a connecting seat 2 is welded at the right center position of the first hammer head 1, a connecting soft rod 3 is clamped at the right side of the connecting seat 2, the connecting soft rod 3 has slight elasticity, impact force caused by beating can be effectively relieved through the connecting soft rod 3, the palm of a worker is further protected, a hammer handle 4 is clamped at the right side of the connecting soft rod 3, a screw rod 5 is axially connected at the center position of the bottom end of an inner cavity of the first hammer head 1, the top end of the screw rod 5 extends out of the upper surface of the first hammer head 1, a rectangular block 6 is in threaded connection with the outer wall of the screw rod 5, one end of a first connecting rod 7 is clamped at the front side and the rear side of the rectangular block 6, a sliding rail arranged on the outer wall of the first hammer head 1 extends out of the other end of the first connecting rod 7, a second hammer head 8 is clamped at the top end, therefore, when the screw rod 5 rotates, the rectangular block 6 is enabled to move upwards or downwards, meanwhile, the second hammer 8 can also move along with the screw rod, the right center of the second hammer 8 is in interference fit with one end of the round rod 9, the other end of the round rod 9 extends into the inner cavity of the second hammer 8, the outer wall of the round rod 9 is in threaded connection with the inserted link 10, the left side of the rectangular block 6 is clamped with one end of the second connecting rod 11, the other end of the second connecting rod 11 extends out of the slide way formed in the left side of the first hammer 1 and is connected with the third hammer 12 in a shaft mode, the front end and the rear end of the right side of the third hammer 12 are provided with the slots 13, when the inserted link 10 is inserted into the inner cavity of the slot 13, the third hammer 12 and the second hammer 8 are locked and fixed together, the top end of the third hammer 12 is clamped with the scraper 14, and sand shells difficult to remove.

Preferably, the outer wall of the hammer handle 4 is circumferentially attached with an anti-slip sticker 15, so that the friction force between the hammer handle and a palm can be increased through the anti-slip sticker 15, and the phenomenon of slipping during holding is avoided.

Preferably, the slot 13 is matched with the inserted link 10 and has a corresponding position, so that the position relation and the installation relation between the slot 13 and the inserted link 10 are defined.

Preferably, the included angle between the scraper 14 and the third hammer head 12 is 45 degrees, so that the sand shell can be scraped conveniently.

Preferably, the shape of the plunger 10 is rectangular, and the rectangular plunger 10 can move left or right on the outer wall of the round bar 9.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the beating area needs to be changed, the screw rod 5 is rotated, and the screw rod 5 is in threaded connection with the rectangular block 6, so that when the screw rod 5 rotates to drive the rectangular block 6 to move upwards or downwards, the rectangular block 6 can drive the third hammer head 12 and the second hammer head 8 to move upwards or downwards through the second connecting rod 11 and the first connecting rod 7, when the lower surfaces of the third hammer head 12 and the second hammer head 8 and the lower surface of the first hammer head 1 are positioned on the same horizontal plane, the third hammer head 12, the second hammer head 8 and the first hammer head 1 can be used for completing beating work together, so that the beating area when only the first hammer head 1 is used for beating is increased, when small-area sand shells need to be cleaned and crushed, the method is used for beating only the first hammer head 1, so that small-area sand shells are crushed, and when sand shells which are still difficult to remove are found to be attached to the cover plate, the third hammer head 12 is rotated, the scraper 14 is moved to the position right below, at the moment, the round rod 9 is rotated, the round rod 9 is in threaded connection with the inserted rod 10, and the round rod 9 and the second hammer head 8 are in interference fit, so that the round rod 9 rotates to enable the inserted rod 10 to move towards the left side or the right side, when the inserted rod 10 moves into the inner cavity of the slot 13, the third hammer head 12 and the second hammer head 8 are locked together, the position fixing of the scraper 14 is completed, the scraper 14 can prop and scrape the sand shell which is difficult to remove, the device can change the beating area to crush the sand shell, and the sand shell which is difficult to remove can be propped and scraped, the use is flexible, and the practicability is high.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are intended merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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.

Claims (5)

1. The utility model provides a hammer is got rid of to arenaceous shell for lost wax investment casting, includes first tup (1), its characterized in that: the right side center of the first hammer head (1) is welded with a connecting seat (2), the right side of the connecting seat (2) is connected with a connecting soft rod (3) in a clamped mode, the right side of the connecting soft rod (3) is connected with a hammer handle (4) in a clamped mode, the center of the bottom end of the inner cavity of the first hammer head (1) is connected with a screw rod (5) in a shaft mode, the top end of the screw rod (5) extends out of the upper surface of the first hammer head (1), the outer wall of the screw rod (5) is connected with a rectangular block (6) in a threaded mode, one end of a first connecting rod (7) is connected to the front side and the rear side of the rectangular block (6) in a clamped mode, the other end of the first connecting rod (7) extends out of a sliding rail formed in the outer wall of the first hammer head (1) and is connected with a second hammer head (8) in a clamped mode, the right side center of the second hammer head (8, the outer wall threaded connection of circle pole (9) has inserted bar (10), the left side joint of rectangle piece (6) has the one end of second connecting rod (11), the other end of second connecting rod (11) extends the slide and the coupling that first tup (1) left side was seted up has third tup (12), slot (13) have all been seted up at both ends around the right side of third tup (12), the top joint of third tup (12) has scraper blade (14).

2. The shell removal hammer for lost wax investment casting of claim 1 wherein: the outer wall circumference of hammer handle (4) is laminated with anti-skidding subsides (15).

3. The shell removal hammer for lost wax investment casting of claim 1 wherein: the inserting groove (13) is matched with the inserting rod (10) and corresponds to the inserting rod in position.

4. The shell removal hammer for lost wax investment casting of claim 1 wherein: and an included angle between the scraper (14) and the third hammer head (12) is 45 degrees.

5. The shell removal hammer for lost wax investment casting of claim 1 wherein: the shape of the inserted bar (10) is rectangular.