Sand core cleaning and polishing device for precoated sand production

Abstract

The utility model relates to the technical field of sand core polishing, in particular to a sand core cleaning and polishing device for precoated sand production, which comprises a working table, a plurality of fixing parts are arranged on the surface of the working table, servo motors are mounted on two sides of the working table, and one end of each servo motor is connected with a longitudinal screw rod; a transverse lead screw is arranged at the top of the portal frame, and a polishing rod is arranged below the transverse lead screw; the sand core polishing device has the beneficial effects that a sand core can be fixed to the surface of the workbench through the fixing piece, the position and the rotating direction of the fixing piece can be freely adjusted on the surface of the workbench, and therefore the sand core in an irregular shape is fixed and precisely polished; therefore, the position of the sand core polished by the polishing rod is adjusted, and the problem that fixing is inconvenient when the irregular sand core is polished is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand core polishing technical field, concretely is a sand core cleaning and polishing device for coated sand production. BACKGROUND

[0002] Sand core cleaning and polishing is a crucial step in the production process of coated sand, effective cleaning and polishing can remove impurities, burrs and excess resin layer on the surface of the sand core, ensure the smooth surface of the sand core, thereby improve the quality of the casting, if cleaning and polishing is not thorough, residual may cause casting surface defects, such as porosity, inclusion and other problems, affect the performance and appearance of finished product, in addition, the sand core that is not cleaned may cause metal liquid flow to be poor in subsequent pouring process, lead to the increase of scrap rate, therefore, high-quality sand core cleaning and polishing can not only improve the competitiveness of coated sand products, but also reduce production cost, reduce rework and scrap.

[0003] In the prior art, the traditional sand core polishing is mainly carried out by a polishing machine, the operator fixes the sand core on the workbench, and removes the surface impurities and burrs by using the rotating grinding wheel or grinding disc, so as to realize the polishing of the sand core.

[0004] However, when polishing the sand core in the traditional way, the sand core is irregular in shape and is not convenient to fix, so the sand core may move in position during further polishing, thereby affecting the overall polishing effect, therefore, the utility model provides a sand core cleaning and polishing device for coated sand production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a sand core cleaning and polishing device for coated sand production to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a sand core cleaning and polishing device for coated sand production, the sand core cleaning and polishing device for coated sand production comprises: a workbench, the workbench surface is provided with a plurality of fixing pieces, the workbench two sides are provided with servo motors, one end of the servo motor is connected with a longitudinal screw rod;

[0007] A gantry is arranged on the top of the gantry, and a polishing rod is arranged below the horizontal screw rod.

[0008] Preferably, the workbench is in the form of a cuboid plate structure, the workbench bottom is fixedly provided with a supporting block, and a plurality of linear equidistant fixing grooves are formed in the workbench surface, and the fixing grooves are in the form of a "convex" structure.

[0009] Preferably, the fixing member is a right triangular prism structure as a whole, the fixing member is provided with an adjusting groove on the surface of the workbench, a fastening screw is arranged in the adjusting groove, the fixing member can rotate around the fastening screw, a fixing nut is screwed on the fastening screw, a clamping block is fixedly installed at the end of the fastening screw close to the workbench, the clamping block is a cuboid structure as a whole, and the clamping block is clamped in the fixing groove and can displace in the fixing groove.

[0010] Preferably, the longitudinal screw rod is a symmetrical structure as a whole and is arranged on both sides of the workbench, the longitudinal screw rod is fixedly installed in the fixing frame, one end of the longitudinal screw rod is connected with one end of the shaft coupling, the other end of the shaft coupling is fixedly installed with a servo motor, and a longitudinal screw nut is sleeved on the surface of the longitudinal screw rod.

[0011] Preferably, a plurality of holes are formed in the bottom of the portal frame, mounting screws are arranged in the holes, the mounting screws are externally screwed with threaded holes at one end, a transverse screw rod is clamped at the top of the portal frame, a servo motor is installed at one end of the transverse screw rod, and a transverse screw nut is sleeved on the surface of the transverse screw rod.

[0012] Preferably, the transverse screw nut is fixedly installed with a pneumatic cylinder at the bottom, the pneumatic cylinder is fixedly installed with a grinding motor at one end, the grinding motor is fixedly installed with a connector at one end, the connector is provided with a clamping groove on the surface, a grinding rod is clamped in the clamping groove, and the connector is externally screwed with a fixing cover.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The sand core cleaning and grinding device for coated sand production can fix the sand core on the surface of the workbench through the fixing member, and the fixing member can freely adjust the position and rotating direction on the surface of the workbench, so that the sand core with irregular shape can be fixed and accurately ground. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural workbench structure schematic view of the utility model;

[0017] Figure 3 It is a fixing member overall structure schematic view of the utility model structure;

[0018] Figure 4 It is a portal frame structure bottom view schematic view of the utility model structure;

[0019] Figure 5 It is Figure 4Enlarged structural schematic view at A.

[0020] In the figure: 1, workbench; 2, fixed part; 3, servo motor; 4, longitudinal screw rod; 5, gantry; 6, transverse screw rod; 7, polishing rod; 8, fixed groove; 9, adjusting groove; 10, fastening screw; 11, clamping block; 12, fixed frame; 13, coupling; 14, longitudinal screw nut; 15, mounting screw; 16, fixed cover; 17, transverse screw nut; 18, air cylinder; 19, polishing motor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without doing the premise of creative labor, belong to the scope of protection of the utility model.

[0022] Embodiment one: please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a sand core cleaning and polishing device for coated sand production, the sand core cleaning and polishing device for coated sand production includes: workbench 1, workbench 1 surface is provided with several fixed parts 2, workbench 1 both sides are equipped with servo motor 3, and servo motor 3 one end is connected with longitudinal screw rod 4;

[0023] Gantry 5, the top of gantry 5 is provided with transverse screw rod 6, and transverse screw rod 6 below is provided with polishing rod 7;

[0024] When using, sand core can be fixed on the surface of workbench 1 by fixed part 2, and fixed part 2 can be freely adjusted position and rotation direction on the surface of workbench 1, so as to fix and accurately polish the sand core of irregular shape, then transverse screw rod 6 and longitudinal screw rod 4 are controlled by servo motor 3, to adjust the position of sand core polished by polishing rod 7, so that the problem of inconvenient fixing when polishing irregular sand core is avoided.

[0025] In order to fix the sand core, the fixing piece 2 is arranged on the basis of example one, the fixing piece 2 is a right triangular prism structure as a whole, the fixing piece 2 is provided with an adjusting groove 9 on the surface of the workbench 1, the adjusting groove 9 is provided with a fastening screw 10, the fixing piece 2 can rotate around the fastening screw 10, the fastening screw 10 is externally threaded with a fixing nut, the fastening screw 10 is fixedly installed with a clamping block 11 at the end close to the workbench 1, the clamping block 11 is a cuboid structure as a whole, the clamping block 11 is clamped in the fixing groove 8, and the clamping block 11 can displace in the fixing groove 8; the workbench 1 is a cuboid plate structure as a whole, the workbench 1 is fixedly installed with a supporting block at the bottom, and the workbench 1 is provided with a plurality of linear equidistant fixing grooves 8 on the surface, and the fixing groove 8 is a “convex” structure as a whole; when polishing, the operator can place the sand core to be polished on the workbench 1, then take out a plurality of clamping blocks 11 from the fixing grooves 8, thereby dismounting a plurality of fixing pieces 2 from the surface of the workbench 1, then clamp a plurality of clamping blocks 11 in the appropriate fixing grooves 8 through the position of the sand core to be polished, and adjust the vertical surface direction of the fixing piece 2 and the workbench 1, so as to adhere to the edge of the sand core, then rotate the fixing nut on the surface of the fastening screw 10, thereby fixing the position and angle of the fixing piece 2 as a whole, so as to fix the irregular sand core.

[0026] In order to polish the sand core, the longitudinal screw rod 4 is arranged on the basis of example two, the longitudinal screw rod 4 is a symmetrical structure as a whole and is located on both sides of the workbench 1, the longitudinal screw rod 4 is fixedly installed in the fixed frame 12, one end of the longitudinal screw rod 4 is connected with one end of the shaft coupling 13, the other end of the shaft coupling 13 is fixedly installed with the servo motor 3, the longitudinal screw rod 4 is sleeved with the longitudinal screw nut 14 on the surface, and a plurality of threaded holes are formed in the surface of the longitudinal screw nut 14; a plurality of holes are formed in the bottom of the gantry 5, the holes are provided with the mounting screw 15, one end of the mounting screw 15 is externally threaded with a threaded hole, the top of the gantry 5 is clamped with the transverse screw rod 6, one end of the transverse screw rod 6 is installed with the servo motor 3, and the transverse screw rod 6 is sleeved with the transverse screw nut 17 on the surface; during the polishing process, the servo motor 3 controls the longitudinal screw rod 4 and the transverse screw rod 6, thereby further driving the polishing rod 7 to move horizontally and vertically, and the cylinder 18 can control the height position of the polishing rod 7, thereby realizing more flexible polishing.

[0027] The cylinder 18 is fixedly installed with the polishing motor 19 at one end, the polishing motor 19 is fixedly installed with a connector at one end, the connector is provided with a clamping groove on the surface, the polishing rod 7 is clamped in the clamping groove, and the connector is externally threaded with the fixing cover 16; if it is necessary to replace the polishing rod 7, the fixing cover 16 can be rotated to be separated from the connector at one end of the polishing motor 19, so that the polishing rod 7 clamped in the clamping groove is dismounted and replaced.

[0028] Working principle: in actual use, the sand core can be fixed on the surface of the workbench 1 through the fixing part 2, and the fixing part 2 can be freely adjusted in position and rotation direction on the surface of the workbench 1, so as to fix and accurately polish the sand core with irregular shape, then the transverse screw rod 6 and the longitudinal screw rod 4 are controlled through the servo motor 3, so as to adjust the position of the sand core polished by the polishing rod 7, so as to avoid the problem that it is inconvenient to fix when polishing irregular sand core.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sand core cleaning and sanding device for coated sand production, characterized by: The sand core cleaning and polishing device for coated sand production comprises a workbench (1), the surface of the workbench (1) is provided with a plurality of fixing members (2), the two sides of the workbench (1) are provided with servo motors (3), one end of the servo motor (3) is connected with a longitudinal screw rod (4); a portal frame (5), the top of the portal frame (5) is provided with a transverse screw rod (6), and the lower portion of the transverse screw rod (6) is provided with a polishing rod (7); the workbench (1) is in the form of a cuboid plate structure, the bottom of the workbench (1) is fixedly provided with a supporting block, and a plurality of linearly equidistant fixing grooves (8) are formed in the surface of the workbench (1) and are in the form of a "convex" structure; the fixing member (2) is in the form of a right triangular prism structure, an adjusting groove (9) is formed in the surface of the fixing member (2) and is in abutment with the workbench (1), a fastening screw rod (10) is arranged in the adjusting groove (9), the fixing member (2) can rotate around the fastening screw rod (10), a fixing nut is externally screwed on the fastening screw rod (10), a clamping block (11) is fixedly arranged at one end of the fastening screw rod (10) and is in abutment with the workbench (1), the clamping block (11) is in the form of a cuboid structure, the clamping block (11) is clamped in the fixing groove (8) and can displace in the fixing groove (8).

2. The sand core cleaning and polishing device for coated sand production according to claim 1, characterized in that: the longitudinal screw rod (4) is in the form of a symmetrical structure and is arranged on the two sides of the workbench (1), the longitudinal screw rod (4) is fixedly arranged in a fixing frame (12), one end of the longitudinal screw rod (4) is connected with one end of a shaft coupling (13), the other end of the shaft coupling (13) is fixedly provided with the servo motor (3), a longitudinal screw nut (14) is sleeved on the surface of the longitudinal screw rod (4), and a plurality of threaded holes are formed in the surface of the longitudinal screw nut (14).

3. The sand core cleaning and polishing device for coated sand production of claim 1, wherein: a plurality of holes are formed in the bottom of the portal frame (5), a mounting screw rod (15) is arranged in the hole, one end of the mounting screw rod (15) is externally screwed with a threaded hole, the top of the portal frame (5) is clamped with the transverse screw rod (6), one end of the transverse screw rod (6) is provided with the servo motor (3), and a transverse screw nut (17) is sleeved on the surface of the transverse screw rod (6).

4. The sand core cleaning and polishing device for coated sand production according to claim 3, characterized in that: a cylinder (18) is fixedly arranged at the bottom of the transverse screw nut (17), a polishing motor (19) is fixedly arranged at one end of the cylinder (18), a connector is fixedly arranged at one end of the polishing motor (19), a clamping groove is formed in the surface of the connector, the polishing rod (7) is clamped in the clamping groove, and a fixing cover (16) is externally screwed on the connector.

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