High-precision grinding machine for heat-resistant casting production

Abstract

The utility model discloses a high-precision grinding machine for heat-resistant casting production, and belongs to the technical field of casting production. The grinding position change of the casting is controlled through the driving gear and the fluted disc, the abrasive belt is matched to replace an original grinding head, the soft material of the abrasive belt is fully attached to the surface of the casting for full grinding, and the length of the abrasive belt can be adjusted to adapt to castings with different diameters. A fluted disc is arranged at the upper end of the operation table, a connecting disc is fixedly connected to one side of the fluted disc, a detachable grinding table is movably connected to one side of the connecting disc, two symmetrical clamping assemblies and two symmetrical rolling assemblies are arranged on the grinding table, the rolling assemblies are located between the two clamping assemblies, and a detachable spring clamp is arranged on the side, away from the connecting disc, of the grinding table. A first opening and a second opening are formed in the operation table in a left-right mode, the first opening is close to the spring clamp, the second opening is formed in the notch of the connecting disc, and a driving assembly is arranged at the lower end of the operation table and comprises a mounting plate, a driving wheel, a transmission wheel, an adjusting rod and an abrasive belt.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry production technical field, concretely to a kind of high-precision polishing machine for heat-resistant casting production. BACKGROUND

[0002] In the production process of casting, it needs to go through casting, smelting, pouring, cooling, polishing and other steps, among which polishing is one of the important links to complete the whole production of casting. Since the shape of casting will change according to the use approach, the surface of some castings will have curved surface or circular arc modeling, and the polishing head of traditional polishing equipment is all flat, and generally adopts fixed track programming, so that whether manual operation or numerical control polishing bed cannot adapt to the slight angle change during polishing, resulting in long time in the polishing process of casting, and the effect cannot reach ideal state.

[0003] Therefore, how to realize high-precision polishing of casting is a technical problem to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high-precision polishing machine for heat-resistant casting production, the position change of casting is controlled by driving gear and tooth disc, cooperate with sand belt to replace original polishing head, utilize the soft material of sand belt to fully adhere to the surface of casting, which can be fully polished, and the length of sand belt can be adjusted to adapt to casting of different diameter.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-precision polishing machine for heat-resistant casting production, including operation table, the upper end of operation table is equipped with tooth disc, one side of tooth disc is fixedly connected with connecting disc, one side of connecting disc is movably connected with detachable polishing table, polishing table is equipped with two groups of clamping assemblies and rolling components that are symmetrical, and rolling component is located between two groups of clamping assemblies, the side of polishing table away from connecting disc is equipped with detachable spring clamp, opening one and opening two are set in operation table, opening one is close to spring clamp, opening two is placed in the recess of connecting disc, the lower end of operation table is equipped with driving assembly, driving assembly includes mounting plate, driving wheel, transmission wheel, adjusting rod and sand belt, sand belt passes through opening one and opening two respectively, is driven by surrounding driving wheel and transmission wheel, and the length of sand belt is adjusted by the up-down movement of adjusting rod.

[0006] Preferably, the upper end of operation table is equipped with driving gear, and is meshed with the tooth of one side of tooth disc, the lower end of driving gear is connected with driving motor through operation table, and the side of polishing table close to connecting disc is equipped with baffle.

[0007] Preferably, two grooves are set in the upper surface of polishing table and movably connected with clamping assemblies respectively, clamping assembly includes clamping rod and spring one, and spring one is located in groove, and clamping rod moves back and forth in groove based on spring one.

[0008] Preferably, the rolling assembly comprises three rollers and a connecting rod II, the three rollers are sequentially arranged from front to back, and the middle roller is lower than the front and back rollers, the three rollers are fixed to the upper surface of the polishing table through the connecting rod II, and the rollers are all provided with electric rotating rods.

[0009] Preferably, the surfaces of the three rollers are all provided with concave-convex rubber materials.

[0010] Preferably, the spring clamp comprises an adjusting plate, a clamping strip and an adjustable buckle assembly installed in the clamping strip, a plurality of grooves corresponding to the clamping strip are formed in the outer surface of the polishing table, the clamping strip buckle assembly is installed in the grooves through the clamping strip, and the adjusting plate and the clamping strip are connected through a spring.

[0011] Preferably, the buckle assembly comprises a pressing block, a plug rod, a connecting rod I and a spring II, the pressing block and the plug rod are connected through the connecting rod I, and the spring II is arranged on the back of the connecting rod I.

[0012] Preferably, a sliding groove for adjusting the adjusting rod up and down is formed in the mounting plate, and the driving wheel and the transmission wheel are arranged on the left and right sides of the sliding groove respectively.

[0013] Preferably, a gas cylinder for controlling the up-down lifting adjustment is arranged at the rear end of the adjusting rod, and a driving motor is movably connected to the rear end of the driving wheel.

[0014] Compared with the prior art, the polishing device has the following beneficial effects:

[0015] 1. The abrasive belt of the polishing device can control the position change of the casting during polishing through the meshing of the tooth patterns of the driving gear and the tooth disc, has higher flexibility, and can replace the original polishing head in cooperation with the abrasive belt. The soft material characteristics of the abrasive belt can be fully attached to the surface of the casting, so that some special-shaped surfaces such as arc-shaped curved surfaces can be fully polished, the polishing precision is improved, and the polishing device can adapt to polishing of castings with different diameters due to the adjustable length of the abrasive belt.

[0016] 2. The rolling assembly, clamping assembly and spring clamp of the polishing device can control the polishing surface of the casting, the concave-convex surface of the rubber material arranged on the surface of the roller increases the friction between the casting and the rubber material, ensures that the casting can be rolled and adjusted during polishing, the clamping assembly and the buckle assembly can limit the polishing position of the casting, avoid the casting from deviating during polishing, the position of the spring clamp can be adjusted according to the length of the casting, and the spring clamp has a structure with a certain elasticity as a limiting structure, so that the casting cannot be clamped too tightly and cannot be turned over to polish the surface. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the polishing device.

[0018] Figure 2 It is a structure schematic view of the driving assembly.

[0019] Figure 3 It is the back structure schematic view of the driving assembly of the utility model;

[0020] Figure 4 It is the limiting rod structure schematic view of the utility model;

[0021] Figure 5 It is the limiting rod section structure schematic view of the utility model;

[0022] Figure 6 It is the polishing table structure schematic view of the utility model.

[0023] In the figure: 1, operation platform; 11, opening one; 12, opening two; 2, driving gear; 3, toothed disc; 4, connecting disc; 41, polishing table; 42, adjusting plate; 421, clamping strip; 43, clamping rod; 431, spring one; 51, mounting plate; 52, driving wheel; 53, transmission wheel; 54, adjusting rod; 55, abrasive belt; 6, buckle assembly; 61, pressing block; 62, inserting rod; 63, connecting rod one; 64, spring two; 7, roller; 71, connecting rod two. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] In order to solve the technical problem that the polishing head of the existing traditional polishing equipment is all plane, and generally adopts fixed track programming, so that neither manual operation nor numerical control polishing bed can adapt to the slight angle change during polishing, resulting in long polishing time of the casting during polishing and the effect failing to reach the ideal state, please refer to Figures 1-6 , the following technical solutions are provided:

[0026] The utility model relates to a high-precision grinding machine for heat -resistant casting production, including operation platform 1, the upper end of operation platform 1 is equipped with the toothed disc 3, one side fixed connection of toothed disc 3 has the connecting disc 4, and one side swing joint of connecting disc 4 has detachable polishing platform 41, and the polishing platform 41 is equipped with two groups of clamping assemblies and rolling assemblies of symmetry, and the rolling assembly is located between two groups of clamping assemblies, and the side of polishing platform 41 away from connecting disc 4 is equipped with detachable spring clamp, and the opening one 11 and the opening two 12 of left and right arrangement are set up in operation platform 1, and the opening one 11 is close to spring clamp, and the opening two 12 is placed in the recess of connecting disc 4, and the lower end of operation platform 1 is equipped with drive assembly, and the polishing direction of polishing head can be replaced original polishing equipment notification by the way of linkage control polishing movement mode, and the action programming of original polishing head is improved and can not adapt to some arc or curved surface casting;

[0027] The upper end of operation platform 1 is equipped with driving gear 2, and is connected with the tooth of the side of toothed disc 3, and the tooth of driving gear 2 is connected with the tooth of toothed disc 3, so that driving gear 2 can control toothed disc 3 to move, thereby changing the position change of casting when polishing, and the lower end of driving gear 2 is connected with driving motor through operation platform 1, and the side of polishing platform 41 close to connecting disc 4 is equipped with baffle edge;

[0028] Two grooves are set up on the upper surface of polishing platform 41 and are swing-connected with clamping assembly respectively, the clamping assembly includes clamping rod 43 and spring 431, and the spring 431 is located in the groove, and the clamping rod 43 moves back and forth in the groove based on spring 431, when the casting is placed on polishing platform 41, two clamping rods are used to clamp from front and back positions respectively, to avoid excessive deviation in front and back when polishing, which leads to insufficient polishing;

[0029] The rolling assembly includes three rollers 7 and connecting rod 271, and the three rollers 7 are sequentially distributed front and back, and the roller 7 in the middle is lower than the rollers 7 arranged front and back, and the three rollers 7 are fixed on the upper surface of polishing platform 41 through connecting rod 271, and each roller 7 is equipped with an electric rotating rod, and the surface of each roller 7 is equipped with a rubber material with concave-convex shape, which increases the friction force between the casting surface and the rubber material with concave-convex shape, so that the casting can be adjusted when polishing to improve the polishing accuracy when rolling;

[0030] The spring clamp comprises an adjusting plate 42, a clamping strip 421, and an adjustable clamping assembly 6 installed in the clamping strip 421, so that the spring clamp can be adjusted to clamp the position according to the length of the casting, and the spring clamp has a certain elastic structure as a limiting structure, because the polishing table 41 is provided with a rolling assembly that can overturn the polishing surface of the casting, so that the casting cannot be clamped when clamping and limiting at the same time, therefore, the spring clamp with certain tightness adjustment is used as the structure for limiting one side of the casting, a plurality of grooves corresponding to the clamping strip 421 are formed on the outer surface of the polishing table 41, and the clamping assembly 6 is installed in the groove through the clamping strip 421, the adjusting plate 42 and the clamping strip 421 are connected by a spring, the clamping assembly 6 comprises a pressing block 61, a plug rod 62, a connecting rod 63 and a spring 64, the pressing block 61 and the plug rod 62 are connected by the connecting rod 63, and the spring 64 is arranged on the back of the connecting rod 63, the position of the plug rod 62 can be controlled by pressing the pressing block 61, so that the plug rod 62 can be limited in the groove of the clamping strip 421;

[0031] The driving assembly comprises a mounting plate 51, a driving wheel 52, a transmission wheel 53, an adjusting rod 54 and a sand belt 55, the softness of the sand belt can fully adhere to the surface of the casting, so that some arc-shaped curved surfaces and other special-shaped surfaces can also be fully polished, and the fineness of the polishing device is improved to a certain extent, and the sand belt polishing is more detailed, and the sand belt 55 is connected with the driving wheel 52, the transmission wheel 53 and the adjusting rod 54 through the opening 11 and the opening 12 respectively, Figure 1 and Figure 2 It can be seen that the lower half of the sand belt 55 adheres to the driving wheel 52, the transmission wheel 53 and the adjusting rod 54, and the upper half of the sand belt 55 passes through the opening 11 and the opening 12, so that the casting to be polished and the driving wheel 52, the transmission wheel 53 and the adjusting rod 54 form a quadrilateral, so that the sand belt 55 fully adheres to the surface of the casting, and the length of the upper half of the sand belt 55 extending out is adjusted according to the actual size of the casting by moving the position of the adjusting rod 54, so that the polishing equipment can adapt to the polishing needs of most castings, and the mounting plate 51 is provided with a sliding groove for adjusting the adjusting rod 54 up and down, which provides space for adjusting the position of the adjusting rod 54, the driving wheel 52 and the transmission wheel 53 are arranged on the left and right sides of the sliding groove respectively, and the rear end of the adjusting rod 54 is provided with a cylinder for controlling the up and down adjustment, which controls the up and down action, and the rear end of the driving wheel 52 is movably connected with a driving motor, which drives the driving wheel 52 to drive the sand belt 55 to polish, and the transmission wheel 53 plays a transmission role.

[0032] Working principle: before polishing, the casting is placed on the rolling assembly of the polishing table 41 and under the sand belt 55, at this time, the two groups of clamping rods 43 are adjusted outward along the sliding groove until they are placed in front of and behind the casting and fix the front and rear positions of the casting, then the spring clamp is taken out and inserted into the corresponding groove outside the polishing table 41 according to the length of the casting and the actual needs, the adjusting plate 42 of the spring clamp is adjusted so that it is placed outside the casting, after adjustment, the sand belt 55 is adjusted through the adjusting rod 54 so that the length of the sand belt 55 is just around the two sides of the casting and adheres to the surface of the casting, at this time, the driving motor of the driving wheel 52 is started to drive the sand belt 55 to polish the surface of the casting, at the same time, the driving gear 2 above the operation table 1 is started to rotate to drive the toothed disc 3 to rotate forward and backward to change the polishing position of the casting, and the roller 7 in the rolling assembly at the bottom of the casting adjusts the polishing surface, after the polishing work is completed, the casting can be taken off.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application.

Claims

1. A high-precision polishing machine for heat-resistant casting production, comprising an operating table (1), characterized in that, The operation table (1) is provided with a gear disc (3) at the upper end, and the gear disc (3) is fixedly connected with a connecting disc (4) at one side. The connecting disc (4) is movably connected with a detachable polishing table (41) at one side. The polishing table (41) is provided with two symmetrical groups of clamping assemblies and rolling assemblies, and the rolling assemblies are located between the two groups of clamping assemblies. The side of the polishing table (41) away from the connecting disc (4) is provided with a detachable spring clamp. The operation table (1) is provided with an opening one (11) and an opening two (12) arranged left and right. The opening one (11) is close to the spring clamp, and the opening two (12) is arranged in the recess of the connecting disc (4). The lower end of the operation table (1) is provided with a driving assembly. The driving assembly comprises a mounting plate (51), a driving wheel (52), a transmission wheel (53), an adjusting rod (54) and a sand belt (55). The sand belt (55) passes through the opening one (11) and the opening two (12) respectively and is driven by the driving wheel (52) and the transmission wheel (53). The length of the sand belt (55) is adjusted by the up and down movement of the adjusting rod (54).

2. A high-precision polishing machine for producing heat-resistant castings according to claim 1, characterized in that: The operation table (1) is provided with a driving gear (2) at the upper end, and the driving gear (2) is meshingly connected with the teeth on one side of the gear disc (3). The lower end of the driving gear (2) is connected with a driving motor through the operation table (1). The side of the polishing table (41) close to the connecting disc (4) is provided with a baffle.

3. The high-precision polishing machine for producing heat-resistant castings according to claim 1, characterized in that: The upper surface of the polishing table (41) is provided with two grooves movably connected with the clamping assemblies. The clamping assemblies comprise a clamping rod (43) and a spring one (431). The spring one (431) is located in the groove, and the clamping rod (43) moves forward and backward in the groove based on the spring one (431).

4. The high-precision polishing machine for producing heat-resistant castings according to claim 1, characterized in that: The rolling assembly comprises three rollers (7) and a connecting rod two (71). The three rollers (7) are arranged in sequence from front to back, and the roller (7) in the middle is lower than the rollers (7) arranged in front and back. The three rollers (7) are fixed to the upper surface of the polishing table (41) through the connecting rod two (71), and each roller (7) is provided with an electric rotating rod.

5. The high-precision polishing machine for producing heat-resistant castings according to claim 4, characterized in that: The surfaces of the three rollers (7) are provided with concave-convex rubber materials.

6. The high-precision polishing machine for heat-resistant casting production according to claim 1, characterized in that: The spring clamp comprises an adjusting plate (42), a clamping strip (421) and an adjustable buckle assembly (6) installed in the clamping strip (421). The outer surface of the polishing table (41) is provided with a plurality of grooves corresponding to the clamping strip (421). The clamping strip (421) is installed in the groove through the buckle assembly (6). The adjusting plate (42) and the clamping strip (421) are connected by a spring.

7. The high-precision polishing machine for producing heat-resistant castings according to claim 6, characterized in that: The buckle assembly (6) comprises a pressing block (61), a plug rod (62), a connecting rod one (63) and a spring two (64). The pressing block (61) and the plug rod (62) are connected through the connecting rod one (63), and the spring two (64) is arranged on the back of the connecting rod one (63).

8. The high-precision polishing machine for heat-resistant casting production according to claim 1, characterized in that: The mounting plate (51) is provided with a sliding groove for adjusting the adjusting rod (54) up and down. The driving wheel (52) and the transmission wheel (53) are arranged on the left and right sides of the sliding groove.

9. The high-precision polishing machine for producing heat-resistant castings according to claim 8, characterized in that: The rear end of the adjusting rod (54) is provided with an air cylinder for controlling the up and down adjustment. The rear end of the driving wheel (52) is movably connected with a driving motor.

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