A positioning structure for a grinding machine used in the production of chemical machinery parts

Abstract

This utility model relates to a positioning structure for a grinding machine used in the production of chemical machinery parts, comprising a positioning disc and a shaft. The positioning disc is provided with several positioning elements for fixing cylindrical parts, and the shaft is provided with a connecting component and a driving component for expanding the positioning elements. This positioning structure of the grinding machine for chemical machinery parts production, by setting multiple positioning elements symmetrically distributed at the center to form a ring support, evenly disperses the radial force during grinding, solving the problem that single positioning points or asymmetrical clamping can easily cause parts to shake during grinding, resulting in substandard surface roughness. Furthermore, it uses positioning on the inner wall of the cylindrical part to avoid the clamping affecting the surface grinding process. Moreover, it uses flexible contact with a rubber sleeve instead of rigid clamping to eliminate the risk of scratches and deformation, solving the surface wear and deformation caused by conventional rigid clamping. Finally, it uses an electric push rod to drive the positioning elements to expand or contract synchronously, shortening the adjustment time and further improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of chemical machinery parts production technology, specifically a positioning structure for a grinding machine used in the production of chemical machinery parts. Background Technology

[0002] The production of chemical machinery parts includes processes such as material preparation, processing and manufacturing, quality inspection, assembly, packaging, and storage. The processing and manufacturing process includes steps such as cutting, forging, casting, welding, and surface treatment. Cutting is done using machine tools such as lathes, milling machines, drilling machines, and grinding machines to cut raw materials to obtain the required dimensions and shapes. Forging is a process that improves the internal structure of materials and increases the strength and toughness of parts. Casting is suitable for processing and producing parts with complex shapes. Welding is the process of connecting multiple parts into a whole. Surface treatment involves methods such as grinding, electroplating, spraying, phosphating, and passivation to improve the corrosion resistance, wear resistance, and aesthetics of the parts.

[0003] In current technologies, the surface treatment process for chemical machinery parts production requires the use of a grinding machine to grind the surface of the parts. However, for grinding cylindrical parts in chemical machinery, conventional clamps are used to hold the cylindrical parts. Single positioning point or asymmetrical clamping can easily cause the parts to shake during grinding. Furthermore, rigid clamping can easily cause deformation of the cylindrical parts, and the clamped position is not convenient for grinding, thus requiring secondary processing and increasing the workload. Therefore, a positioning structure for a grinding machine used in the production of chemical machinery parts is proposed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a positioning structure for a grinding machine used in the production of chemical machinery parts. It has the advantage of expanded positioning and solves the problem that when grinding cylindrical parts in chemical machinery, conventional clamps are used to hold the cylindrical parts, which can easily lead to deformation of the cylindrical parts. Moreover, the clamped position is not convenient for grinding, thus requiring secondary processing and increasing the workload.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positioning structure for a grinding machine used in the production of chemical machinery parts, comprising a positioning plate and a shaft for connecting the grinding machine, wherein the positioning plate is provided with a plurality of positioning components for fixing cylindrical parts, and the shaft is provided with a connecting component and a driving component for driving the positioning components to expand;

[0006] The positioning component includes a connecting frame mounted on the positioning disk, a positioning post with one end penetrating the positioning disk and used for positioning the cylindrical accessory, a gasket slidably mounted on the outer surface of the positioning post, and a rubber sleeve for protecting the inner wall of the cylindrical accessory fixedly mounted at the end of the positioning post.

[0007] The connecting component includes a connecting seat mounted on a shaft, a plurality of pins fixedly mounted on the connecting seat, and a connecting rod hinged to each of the pins, the end of the connecting rod being hinged to the connecting frame.

[0008] The positioning plate has several guide grooves, and one end of the positioning post passes through the guide groove and is slidably connected to the inner wall of the guide groove.

[0009] Furthermore, the driving component includes two mounting frames respectively fixedly mounted on the shaft. An electric push rod is fixedly mounted on the left mounting frame. An annular plate is sleeved on the shaft and fixedly connected to the telescopic end of the electric push rod, and the annular plate is fixedly connected to the connecting seat.

[0010] Furthermore, the number of positioning components is no less than six, and the number of positioning components, pins, connecting rods, and guide grooves is the same, and all are symmetrical about the center of the positioning disk's central axis.

[0011] Furthermore, a linear bearing is fixedly installed inside the connecting seat, and the linear bearing is mounted on the shaft.

[0012] Furthermore, a guide rod is fixedly installed on the annular plate, and two through holes are opened on the mounting frame on the right side, with one end of the guide rod passing through the two through holes, and the guide rod is slidably connected to the through holes.

[0013] Furthermore, one end of the shaft passes through the positioning plate, and the positioning plate is fixedly connected to the shaft. An anti-detachment block is fixedly installed at the end of the shaft.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The positioning structure of this grinding machine for producing chemical machinery parts features multiple symmetrically distributed positioning components forming a ring support. This evenly distributes the radial force during grinding, solving the problem of parts shaking during grinding due to single positioning points or asymmetrical clamping, which leads to substandard surface roughness. Furthermore, positioning is achieved by positioning the inner wall of the cylindrical parts, thus avoiding the impact of clamping on the surface grinding process. The flexible contact of the rubber sleeve replaces rigid clamping, eliminating the risk of scratches and deformation, and solving the surface wear and deformation caused by conventional rigid clamping. In addition, an electric push rod drives the positioning components to expand or contract synchronously, shortening the adjustment time and further improving the efficiency of production and processing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 1 Rear view;

[0018] Figure 3 This is an exploded view of the structural connection component and the driving component of this utility model;

[0019] Figure 4 This is a schematic diagram showing the connection of the structural connecting components and positioning elements of this utility model;

[0020] Figure 5 This is an exploded view of the structural positioning component of this utility model.

[0021] In the diagram: 1. Positioning plate; 11. Guide groove; 2. Shaft; 3. Positioning component; 31. Connecting frame; 32. Positioning pin; 33. Gasket; 34. Rubber sleeve; 4. Connecting component; 41. Connecting seat; 42. Pin; 43. Connecting rod; 44. Linear bearing; 5. Drive component; 51. Mounting frame; 52. Electric push rod; 53. Annular plate; 54. Guide rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1: Please refer to Figure 1-5 The positioning structure of a grinding machine for producing chemical machinery parts in this embodiment includes a positioning plate 1 and a shaft 2 for connecting the grinding machine. The positioning plate 1 is provided with a plurality of positioning parts 3 for fixing cylindrical parts. The shaft 2 is provided with a connecting part 4 for driving the positioning parts 3 to expand and a driving part 5. One end of the shaft 2 passes through the positioning plate 1, and the positioning plate 1 is fixedly connected to the shaft 2. An anti-detachment block is fixedly installed at the end of the shaft 2.

[0024] Example 2: Please refer to Figure 1-5 Based on Embodiment 1, the positioning component 3 includes a connecting frame 31 installed on the positioning disk 1. A positioning post 32 with one end penetrating through the positioning disk 1 is fixedly installed on the connecting frame 31 and is used to position the cylindrical accessory. A gasket 33 is slidably installed on the outer surface of the positioning post 32. A rubber sleeve 34 for protecting the inner wall of the cylindrical accessory is fixedly installed at the end of the positioning post 32. The flexible contact of the rubber sleeve 34 avoids surface wear and deformation caused by rigid clamping.

[0025] The connecting component 4 includes a connecting seat 41 mounted on the shaft 2. Several pins 42 are fixedly mounted on the connecting seat 41. A connecting rod 43 is hinged to each of the pins 42. The end of the connecting rod 43 is hinged to the connecting frame 31.

[0026] The positioning plate 1 has several guide grooves 11, and one end of the positioning post 32 passes through the guide groove 11 and is slidably connected to the inner wall of the guide groove 11.

[0027] The number of positioning parts 3 is no less than six. The number of positioning parts 3, pins 42, connecting rods 43 and guide grooves 11 is the same, and they are all symmetrical about the center of the central axis of the positioning disk 1. The six positioning parts 3 are symmetrically distributed, and the force is uniform, forming a ring support, which evenly disperses the radial force during grinding, avoids the eccentricity of the cylindrical parts, and the guide grooves 11 and positioning pins 32 limit the displacement error and ensure the accuracy of the grinding position.

[0028] In addition, a linear bearing 44 is fixedly installed inside the connecting seat 41. The linear bearing 44 is mounted on the shaft 2. The linear bearing 44 reduces transmission resistance, reduces friction loss, and extends the service life of the equipment.

[0029] Using the above technical solution, when the annular plate 53 moves, the connecting seat 41 drives the pin 42 to move towards the positioning disk 1. The pin 42 is hinged to the connecting seat 41. The connecting rod 43 drives the connecting frame 31 to slide outward along the guide groove 11, causing the positioning post 32 to expand towards the outer periphery of the positioning disk 1. The expanded positioning post 32 approaches the inner wall of the cylindrical accessory until the rubber sleeve 34 contacts the inner wall. The cylindrical accessory is fixed by friction. The gasket 33 can adjust the extension length of the positioning post 32, thereby adjusting the contact depth between the rubber sleeve 34 and the inner wall of the cylindrical accessory.

[0030] Example 3: Please refer to Figure 1-5 Based on Embodiment 2, the drive component 5 includes two mounting frames 51 that are respectively fixedly mounted on the shaft 2. An electric push rod 52 is fixedly mounted on the left mounting frame 51. An annular plate 53 that is fixedly connected to the telescopic end of the electric push rod 52 is sleeved on the shaft 2, and the annular plate 53 is fixedly connected to the connecting seat 41.

[0031] The annular plate 53 is fixedly mounted with a guide rod 54. Two through holes are opened on the right mounting frame 51, and one end of the guide rod 54 passes through the two through holes. The guide rod 54 is slidably connected to the through holes, which restricts the annular plate 53 to move only along the axial direction of the guide rod 54, ensuring the stability and accuracy of the movement of the annular plate 53.

[0032] Using the above technical solution, the electric push rod 52 extends and retracts after being energized, pushing the annular plate 53 to move axially along the shaft 2. The annular plate 53 maintains linear motion through the guide rod 54 to avoid deviation. When the electric push rod 52 retracts, the annular plate 53 moves in the opposite direction, thereby driving the connecting seat 41 away from the positioning plate 1, thereby controlling the positioning part 3 to retract inward, releasing the cylindrical accessory, and the linear bearing 44 reduces the friction between the shaft 2 and the connecting seat 41 to ensure smooth transmission.

[0033] The working principle of the above embodiments is as follows:

[0034] The positioning structure of the grinding machine used for the production of chemical machinery parts is such that when the electric push rod 52 is energized, it extends and retracts, pushing the annular plate 53 to move axially along the shaft 2. The annular plate 53 is kept in a straight line by the guide rod 54 to avoid deviation.

[0035] When the annular plate 53 moves, it drives the pin 42 to move towards the positioning disk 1 through the connecting seat 41. The pin 42 is hinged to the connecting seat 41. The connecting rod 43 drives the connecting frame 31 to slide outward along the guide groove 11, so that the positioning post 32 expands towards the outer periphery of the positioning disk 1. The expanded positioning post 32 approaches the inner wall of the cylindrical accessory until the rubber sleeve 34 contacts the inner wall. The cylindrical accessory is fixed by friction. The gasket 33 can adjust the extension length of the positioning post 32, thereby adjusting the contact depth between the rubber sleeve 34 and the inner wall of the cylindrical accessory.

[0036] When the electric push rod 52 retracts, the annular plate 53 moves in the opposite direction, thereby driving the connecting seat 41 away from the positioning plate 1, thereby controlling the positioning part 3 to retract inward, releasing the cylindrical accessory, and the linear bearing 44 reduces the friction between the shaft 2 and the connecting seat 41, ensuring smooth transmission.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning structure of a grinding machine for producing chemical machinery parts, comprising a positioning disc (1) and a shaft rod (2) for connecting the grinding machine, characterized in that: The positioning plate (1) is provided with a number of positioning parts (3) for fixing cylindrical accessories, and the shaft (2) is provided with a connecting part (4) for driving the positioning parts (3) to expand and a driving part (5). The positioning component (3) includes a connecting frame (31) installed on the positioning disk (1). A positioning post (32) with one end penetrating the positioning disk (1) is fixedly installed on the connecting frame (31) and is used to position the cylindrical accessory. A gasket (33) is slidably installed on the outer surface of the positioning post (32). A rubber sleeve (34) for protecting the inner wall of the cylindrical accessory is fixedly installed at the end of the positioning post (32). The connecting component (4) includes a connecting seat (41) mounted on the shaft (2), and a plurality of pins (42) are fixedly mounted on the connecting seat (41). A connecting rod (43) is hinged to each of the pins (42), and the end of the connecting rod (43) is hinged to the connecting frame (31). The positioning disk (1) has several guide grooves (11), and one end of the positioning post (32) passes through the guide groove (11) and is slidably connected to the inner wall of the guide groove (11).

2. The positioning structure of a grinding machine for producing chemical machinery parts according to claim 1, characterized in that: The drive component (5) includes two mounting frames (51) that are respectively fixedly mounted on the shaft (2). An electric push rod (52) is fixedly mounted on the left mounting frame (51). An annular plate (53) that is fixedly connected to the telescopic end of the electric push rod (52) is sleeved on the shaft (2), and the annular plate (53) is fixedly connected to the connecting seat (41).

3. The positioning structure of a grinding machine for producing chemical machinery parts according to claim 1, characterized in that: The number of positioning components (3) is not less than six. The number of positioning components (3), pins (42), connecting rods (43) and guide grooves (11) are the same, and they are all symmetrical about the center axis of the positioning disk (1).

4. The positioning structure of a grinding machine for producing chemical machinery parts according to claim 1, characterized in that: A linear bearing (44) is fixedly installed inside the connecting seat (41), and the linear bearing (44) is mounted on the shaft (2).

5. The positioning structure of a grinding machine for producing chemical machinery parts according to claim 2, characterized in that: A guide rod (54) is fixedly installed on the annular plate (53). Two through holes are opened on the mounting frame (51) on the right side, and one end of the guide rod (54) passes through the two through holes. The guide rod (54) is slidably connected to the through holes.

6. The positioning structure of a grinding machine for producing chemical machinery parts according to claim 1, characterized in that: One end of the shaft (2) passes through the positioning plate (1), and the positioning plate (1) is fixedly connected to the shaft (2). An anti-detachment block is fixedly installed at the end of the shaft (2).

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