CN219747384U - Clamping assembly and sand core polishing device - Google Patents

Abstract

The utility model relates to the technical field of sand core processing equipment, in particular to a clamping assembly and a sand core polishing device, which comprise a workbench, wherein the workbench is symmetrically provided with a placing groove, a protection pad is fixedly arranged in the placing groove, and a clamping structure is arranged at the side position of the placing groove and used for firmly clamping a sand core; the sand core clamping device has the advantages that the sand core is clamped stably through the clamping structure arranged on the side of the placing groove, namely, the clamping is performed stably through the cooperation between the clamping plate, the auxiliary clamping block and the auxiliary spring, the clamping operation of the non-cylindrical sand core is convenient and fast, the stability is good, the position deviation and the shaking of the sand core in the machining process are avoided, the machining quality and the product quality are guaranteed, and the actual machining requirement is met.

Description

Clamping assembly and sand core polishing device

Technical Field

The utility model relates to the technical field of sand core processing equipment, in particular to a clamping assembly and a sand core polishing device.

Background

The sand core is a material for manufacturing a core in casting production, and is mainly used for forming an inner hole and a cavity of a casting; some of the contoured portions that interfere with stripping and are not prone to sand out may be formed with sand cores.

For the Chinese patent document with the prior bulletin number of CN217291679U, a sand core polishing device is disclosed; the sand core polishing machine solves the problem that multiple stations are not arranged in the prior art, so that a phenomenon that time difference is generated when a plurality of sand cores are polished and connected is caused, and finally, the time difference is wasted, so that the polishing efficiency is reduced; the technical scheme is that when the sand core body is polished, the sand core body can be placed in an upper opening groove through completion, a connecting spring drives a clamping arc plate to clamp the sand core body, a power supply of a first motor and a power supply of a second motor are connected, the first motor drives a rotating shaft to rotate so as to drive a first gear to rotate so as to drive a rack to reciprocate, a sliding block reciprocates in a sliding groove, a moving block reciprocates in a lower opening groove, a polishing assembly works, an electric push rod drives the polishing assembly to approach the sand core body until the sand core body is polished, after polishing is completed, a push rod is driven to drive the polishing assembly to move upwards, a second motor drives a second rotating shaft to rotate so as to drive an incomplete gear to rotate, the incomplete gear drives a second connecting shaft and a rotating circular plate to rotate, and the effect that the polishing efficiency of the outer surface burrs of the sand core body can be accelerated is achieved.

In the scheme, the sand core is clamped conveniently, on one hand, the cylindrical sand core is clamped conveniently, but the non-cylindrical sand core is clamped conveniently; furthermore, the clamping work of the sand core clamping device is tightly clamped by the clamping arc plate and the connecting spring, the clamping stability of the sand core clamping device is insufficient, the sand core is easy to shift and shake in the machining process, the machining quality and the product body are affected, and the actual machining requirement cannot be met.

Therefore, the utility model provides a clamping assembly and a sand core polishing device for solving the problems.

Disclosure of Invention

The utility model aims to provide a clamping assembly and a sand core polishing device, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamping assembly comprises a workbench, wherein the workbench is symmetrically provided with a placing groove, a protection pad is fixedly arranged in the placing groove, a clamping structure is arranged at the side of the placing groove, and the clamping structure is used for stably clamping a sand core;

the clamping structure comprises a supporting plate, a pushing rod, a handle, a clamping plate, a first reset spring, an auxiliary clamping block, an auxiliary spring, a fastening clamping groove, a fixed body, a movable fastening clamping strip, a pull buckle, a second auxiliary spring and an auxiliary slope.

Preferably, the backup pad symmetry is fixed to be set up in the both sides of standing groove, and the activity grafting is provided with the pushing rod in the backup pad, the fixed handle that is provided with of one end of pushing rod, the fixed grip block that is provided with of the other end, the grip block is fixed to be provided with first reset spring in one side that is connected with the pushing rod, the fixed setting of one end of first reset spring is in the backup pad, one side equidistance of grip block is provided with the recess, and the activity is provided with auxiliary clamping block in the recess, and auxiliary clamping block's one end extends to the recess outside, and the fixed auxiliary spring that is provided with of the other end, auxiliary spring's one end is fixed to be set up in the recess, the fastening draw-in groove equidistance sets up in one side of pushing rod, the fixed setting of fixing body is in one side position of backup pad, the activity is provided with movable fastening strip in the fixing body, the tip of movable fastening strip one end is provided with auxiliary slope, and the other end is fixed to be provided with the buckle, the buckle is fixed being provided with the second auxiliary spring in one end that is connected with movable fastening strip, and the second auxiliary spring is fixed to be set up on the fixing body.

Preferably, the clamping plates are symmetrically arranged on two sides of the placing groove, and two groups of clamping plates are arranged.

Preferably, the movable fastening clamping strips are correspondingly arranged at the positions corresponding to the fastening clamping grooves, and the movable fastening clamping strips and the fastening clamping grooves are in fit and clamping connection.

Preferably, the cross section of the notch of the fastening slot is square.

Preferably, the clamping plates, the pushing rods and the supporting plates are arranged correspondingly in positions and have the same number of groups.

A sand core polishing device comprises a clamping assembly.

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

the sand core polishing device designed by the utility model is mainly used for clamping and stabilizing the sand core by arranging the clamping structure at the side of the placing groove, namely, the sand core is clamped and stabilized mainly by the cooperation of the arranged clamping plate, the auxiliary clamping block and the auxiliary spring, the clamping operation on the non-cylindrical sand core is convenient and fast, the stability is excellent, the position deviation and the shaking of the sand core in the processing process are avoided, the processing quality and the product quality are ensured, and the actual processing requirement is met.

Drawings

FIG. 1 is a schematic diagram showing the structural connection of a sand core polishing device of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of the structural joint of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the left side of the connection of the clamping structure of the present utility model;

FIG. 4 is an enlarged schematic view of a portion of the structural joint of FIG. 3 in accordance with the present utility model;

FIG. 5 is a schematic view of the right side of the connection of the clamping structure of the present utility model;

fig. 6 is an enlarged partial schematic view of the structural connection of fig. 5 in accordance with the present utility model.

In the figure: the device comprises a workbench 1, a placing groove 2, a protection pad 3, a supporting plate 4, a pushing rod 5, a handle 6, a clamping plate 7, a first reset spring 8, an auxiliary clamping block 9, an auxiliary spring 10, a fastening clamping groove 11, a fixing body 12, a movable fastening clamping strip 13, a pull buckle 14, a second auxiliary spring 15 and an auxiliary slope 16.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Embodiments of the present utility model are intended to be within the scope of the present utility model as defined by the appended claims.

Referring to fig. 1 to 6, the present utility model provides a technical solution: the clamping assembly comprises a workbench 1, wherein a placing groove 2 is symmetrically arranged on the workbench 1, a protection pad 3 is fixedly arranged in the placing groove 2, a clamping structure is arranged at the side position of the placing groove 2, and the clamping structure is used for stably clamping a sand core;

the clamping structure comprises a supporting plate 4, a pushing rod 5, a handle 6, a clamping plate 7, a first reset spring 8, an auxiliary clamping block 9, an auxiliary spring 10, a fastening clamping groove 11, a fixed body 12, a movable fastening clamping strip 13, a pull buckle 14, a second auxiliary spring 15 and an auxiliary slope 16; the support plate 4 is symmetrically and fixedly arranged on two sides of the placing groove 2, the pushing rod 5 is movably inserted in the support plate 4, the handle 6 is fixedly arranged at one end of the pushing rod 5, the clamping plate 7 is fixedly arranged at the other end of the pushing rod 5, the first return spring 8 is fixedly arranged at one side connected with the pushing rod 5, one end of the first return spring 8 is fixedly arranged on the support plate 4, grooves are formed in one side of the clamping plate 7 at equal intervals, auxiliary clamping blocks 9 are movably arranged in the grooves, one ends of the auxiliary clamping blocks 9 extend to the outer sides of the grooves, auxiliary springs 10 are fixedly arranged at the other ends of the auxiliary clamping blocks, one ends of the auxiliary springs 10 are fixedly arranged in the grooves, the fastening clamping grooves 11 are formed in one side of the pushing rod 5 at equal intervals, the fixing body 12 is fixedly arranged at one side of the support plate 4 and arranged at the side of the pushing rod 5, the movable fastening clamping strip 13 is movably arranged at one end of the fixing body 12, the other end of the movable fastening clamping strip 13 is provided with an auxiliary slope 16, the other end of the movable fastening strip 12 extends to the outer side of the fixing body 12, the end of the movable fastening strip 14 is fixedly provided with a pull buckle 14, the second auxiliary spring 15 is fixedly arranged at the connecting end with the movable fastening strip 13, and the second auxiliary spring 15 is fixedly arranged at one end of the second auxiliary spring 12 is fixedly arranged at one end of the fixing body 12; the clamping plates 7 are symmetrically arranged at two sides of the placing groove 2 and are provided with two groups; the movable fastening clamping strips 13 are correspondingly arranged with the fastening clamping grooves 11, and are in fit and clamping connection with each other; the cross section of the notch of the fastening slot 11 is square; the clamping plates 7, the pushing rods 5 and the supporting plates 4 are arranged correspondingly in position and have the same number of groups.

A sand core polishing device comprises a clamping assembly.

According to the sand core polishing device designed by the utility model, when the sand core is clamped, the sand core is placed in the placing groove 2 on the workbench 1, then the pushing rods 5 on the supporting plates 4 on the two sides of the placing groove 2 are directly pushed by two hands, the clamping plates 7 are pushed to clamp the side wall of the sand core, after the sand core is clamped, the movable fastening clamping strips 13 arranged in the fixed body 12 are clamped with the fastening clamping grooves 11 on the corresponding positions on one side of the pushing rods 5, so that the pushing rods 5 are locked, and finally the pushing rods 5 are loosened, so that the sand core clamping can be completed, and the auxiliary clamping blocks 9 and the auxiliary springs 10 arranged on one side of the clamping plates 7 are extruded in a compressed state in the sand core clamping process, and the auxiliary clamping blocks 9 firmly clamp the sand core under the rebound action of the auxiliary springs 10; to the centre gripping firm of removing the psammitolite, directly pulling buckle 14 for the joint of activity fastening card strip 13 and fastening draw-in groove 11 is relieved, simultaneously, pushes away the depression bar 5 and returns to the initial position under the resilience reset effect of first reset spring 8, and to the centre gripping firm of psammitolite is relieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A clamping assembly, characterized in that: the sand core clamping device comprises a workbench (1), wherein the workbench (1) is symmetrically provided with a placing groove (2), a protection pad (3) is fixedly arranged in the placing groove (2), and a clamping structure is arranged at the side position of the placing groove (2) and used for stably clamping a sand core;

the clamping structure comprises a supporting plate (4), a pushing rod (5), a handle (6), a clamping plate (7), a first reset spring (8), an auxiliary clamping block (9), an auxiliary spring (10), a fastening clamping groove (11), a fixed body (12), a movable fastening clamping strip (13), a pull buckle (14), a second auxiliary spring (15) and an auxiliary slope (16); the utility model discloses a movable clamping device, which comprises a supporting plate (4), a holding groove (2), a holding plate (4), an auxiliary clamping block (9), a clamping slot (11), a clamping plate (7), a fixing body (12), a movable clamping strip (13), a slope (16) and a slope (14) and is characterized in that the supporting plate (4) is symmetrically and fixedly arranged on two sides of the holding groove (2), the supporting plate (4) is movably inserted and provided with the pressing rod (5), one end of the pressing rod (5) is fixedly provided with a handle (6), the other end of the pressing rod (5) is fixedly provided with the clamping plate (7), one end of the fixing body (12) is fixedly arranged on one side of the supporting plate (4) and is fixedly provided with a first return spring (8), one end of the first return spring (8) is fixedly arranged on the supporting plate (4), one side of the clamping plate (7) is equidistantly provided with a groove, the auxiliary clamping block (9) is movably arranged in the groove, one end of the auxiliary clamping block (9) extends to the outer side of the groove, the other end of the auxiliary clamping block (9) is fixedly provided with the auxiliary spring (10), one end of the auxiliary spring (10) is fixedly arranged in the groove, the fastening clamping slot (11) is equidistantly arranged on one side of the pressing rod (5), the fixing body (12) is fixedly arranged on one side of the supporting plate (4), one side of the fixing body (12) is fixedly arranged on one side of the supporting plate (4) and is fixedly arranged at the side of the pressing rod (5) and is fixedly, the pull buckle (14) is fixedly provided with a second auxiliary spring (15) at the end connected with the movable fastening clamping strip (13), and one end of the second auxiliary spring (15) is fixedly arranged on the fixed body (12).

2. A clamping assembly according to claim 1, wherein: the clamping plates (7) are symmetrically arranged on two sides of the placing groove (2), and two groups of clamping plates are arranged.

3. A clamping assembly according to claim 1, wherein: the movable fastening clamping strips (13) are correspondingly arranged with the fastening clamping grooves (11) and are in fit connection.

4. A clamping assembly according to claim 1, wherein: the cross section of the notch of the fastening slot (11) is square.

5. A clamping assembly according to claim 1, wherein: the clamping plates (7) correspond to the pushing rods (5) and the supporting plates (4) in arrangement positions, and the number of the arrangement groups is the same.

6. The utility model provides a psammitolite grinding device which characterized in that: a clamping assembly comprising any of the above claims 1-5.