Protective door for linear guideway grinding machine

Abstract

This utility model provides a protective door for a linear guideway grinding machine, belonging to the technical field of grinding machine equipment. It solves the technical problems of poor protective effect in existing technologies. The protective door of this linear guideway grinding machine includes a first protective door and a second protective door with an inverted U-shaped vertical cross-section. The first and second protective doors are stacked and can move along the axial direction of the grinding machine's worktable until they overlap. At least one side of the first and second protective doors is slidably connected to a protective door slide rail on the same side via a common rail sliding mechanism, allowing the first and second protective doors to slide independently and overlap on the protective door slide rail. This utility model has the advantages of good protective effect, compact structure, and strong safety.

Description

Technical Field

[0001] This utility model belongs to the technical field of grinding machine processing equipment, and in particular relates to a protective door for a linear guide grinding machine. Background Technology

[0002] Linear grinders, as high-precision machining equipment, are widely used for grinding surfaces or contours of workpieces. During operation, to prevent damage to operators from splashing grinding fluid and metal shavings, and to maintain a clean machining environment, protective doors are typically installed around the worktable. These doors need to be able to open and close flexibly, and facilitate workpiece clamping and observation of the machining process.

[0003] In current technology, the protective doors of linear guide grinding machines mostly adopt a sliding structure. Common designs include a single protective door moving along the guide rail or multiple protective doors stacked together. In the design of multiple protective doors stacked together, each protective door moves and stacks through its own independent slide rail system.

[0004] Each protective door requires an individual slide rail support, resulting in poor compactness and a complex structure. Multi-rail systems require even more sliding modules and connectors, leading to poor sliding stability and high maintenance and installation costs. In particular, due to the separate slide rails, gaps easily remain when the protective doors are stacked, resulting in poor protective performance. Therefore, a protective door made with a linear guide grinding machine that can solve the above problems is needed. Summary of the Invention

[0005] The purpose of this invention is to address the above-mentioned problems by providing a better-performing protective door for a linear guide grinding machine with multiple protective doors stacked together on a common track.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: The protective door of the linear guide grinding machine includes a first protective door and a second protective door with an inverted U-shaped vertical cross section. The first protective door and the second protective door are stacked and can move along the axial direction of the grinding machine worktable to overlap each other. At least one side of the first protective door and the second protective door is slidably connected to a protective door slide rail on the same side through a common rail sliding mechanism, so that the first protective door and the second protective door can slide independently and overlap on the protective door slide rail.

[0007] By using a design where two protective doors share the same slide rail, the space occupied by the protective structure in the width direction is reduced, making the overall structure of the grinding machine more compact. The two doors can slide to a position where they completely overlap, minimizing the space occupied by the protective doors when open, leaving a larger working area for the operator, and also making the seam of the protective doors smaller when closed, which helps to improve the overall sealing effect of the protection.

[0008] In the protective door of the aforementioned linear guide grinding machine, the common rail sliding mechanism includes a clearance portion disposed on the side of the first protective door to provide axial space for the second protective door to connect with the protective door slide rail. Within the clearance portion is a first sliding module capable of axially sliding on the protective door slide rail. The first protective door is fixedly connected to the first sliding module, and the second protective door is slidably connected to the protective door slide rail via a second sliding module. By providing the clearance portion on the side of the first protective door, the connection points of the two doors, while sharing the same physical guide rail, will not collide in axial space, achieving a staggered layout in three-dimensional space.

[0009] In the aforementioned protective door of the linear guide grinding machine, the characteristic feature is that the clearance portion includes a clearance groove disposed on the side of the first protective door and extending axially along the slide rail of the protective door, and at least a portion of the first sliding module is disposed within the clearance groove. The placement of at least a portion of the first sliding module within the clearance groove is an embedded installation method. This ensures that, in the closed state, the first and second protective doors always partially overlap axially, thereby ensuring a sealing effect.

[0010] In the protective door of the aforementioned linear guide grinding machine, the second sliding module is located at the inner end of the side of the second protective door, and a second auxiliary sliding module is provided at the outer end of the same side of the second protective door, which is slidably connected to the protective door slide rail. An inner protective plate, fixedly connected to the side of the second protective door, is provided inside the second sliding module and the second auxiliary sliding module. The second sliding module, the second auxiliary sliding module, the second protective door, the protective door slide rail, and the inner protective plate form the clearance groove. The clearance groove is an axially extending space enclosed by the second sliding module, the second auxiliary sliding module, the inner protective plate, and the main body of the second protective door, providing conditions for the first sliding module to move on the protective door slide rail and enhancing the overall strength of the edge of the second protective door.

[0011] In the protective door of the aforementioned linear guide grinding machine, the first sliding module is located at the inner end of the side of the first protective door, and the outer end of the first protective door on the same side is provided with a first auxiliary sliding module that is slidably connected to the protective door slide rail. The presence of a first sliding module and a first auxiliary sliding module at both ends ensures smooth sliding of the first protective door and prevents tilting.

[0012] In the protective door of the aforementioned linear guide grinding machine, the bottom side of the first protective door is connected to the first sliding module via a connector. The connector ensures that the entire weight of the first protective door and any external forces it experiences are stably transmitted to the first sliding module, thereby guaranteeing smooth door movement. It also accommodates the compact spatial layout of the clearance slot. The connection extends upwards from the bottom of the door.

[0013] In the protective door of the aforementioned linear guide grinding machine, the first sliding module, the second sliding module, the first auxiliary sliding module, and the second auxiliary sliding module are axially and circumferentially limited to the protective door slide rail. This axially and circumferentially limited connection design allows the protective door slide rail to not only withstand the vertical downward weight of the protective door but also effectively resist overturning moments caused by door swaying or external impacts. This prevents significant shaking or derailment of the protective door during high-speed start-up and shutdown or when subjected to vibration, ensuring stable operation.

[0014] In the protective door of the aforementioned linear guide grinding machine, the first sliding module, second sliding module, second auxiliary sliding module, and first auxiliary sliding module include a slide block that tightly fits the arc-shaped top surface of the protective door slide rail. The bottom of the slide block is provided with at least one pair of pulleys that slidably engage with the inwardly contracting side rails of the protective door slide rail. The engagement of the pulleys with the inwardly contracting rails allows the pulleys to clamp the inwardly contracting rails from both sides, effectively limiting the swaying of the protective door in the horizontal plane and restricting its rotation around the vertical axis, ensuring that the door always moves in a parallel posture to the worktable.

[0015] In the protective doors of the aforementioned linear guide grinding machine, the first and second protective doors are slidably connected to a protective door slide rail on the same side via a sliding assembly. This double-sided support forms a stable structure, enhancing the rigidity of the entire protective door assembly during movement, effectively resisting vibration and impact, and ensuring smoother and more reliable operation.

[0016] In the protective door of the aforementioned linear guide grinding machine, an outer protective plate is fixed to the bottom side of the first protective door, located outside the slide rail of the protective door. The outer protective plate isolates the moving slide rail and sliding module from the external environment. This effectively prevents operators from accidentally contacting the moving parts and avoids safety accidents.

[0017] Compared with existing technologies, the advantages of the protective door of this linear guide grinding machine are: 1. Double doors sharing a common rail, resulting in a compact structure and excellent protective effect. 2. Symmetrical design on both sides and dual-point support, preventing overturning, swaying, and jamming. 3. A clearance groove design allows for complete door overlap. 4. Inverted U-shaped cross-section protective door structure, making the door sturdy and durable. 5. Inner and outer protective plates isolate contamination, ensuring high safety. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram provided by this utility model.

[0019] Figure 2 This is a schematic diagram of the installation structure provided by this utility model.

[0020] Figure 3 This is a top view structural diagram of the present invention.

[0021] Figure 4 This is a schematic diagram of the internal structure provided by this utility model.

[0022] Figure 5 This utility model provides Figure 4 Enlarged structural diagram at point B.

[0023] Figure 6 This utility model provides Figure 3 Schematic diagram of the cross-sectional structure at point dd.

[0024] Figure 7 This utility model provides Figure 6 Enlarged structural diagram at point C.

[0025] Figure 8 This is a schematic diagram of the first protective door structure provided by this utility model.

[0026] Figure 9 This is a schematic diagram of the second protective door structure provided by this utility model.

[0027] Figure 10 This utility model provides Figure 9 Enlarged structural diagram at point A in the middle.

[0028] In the figure, there are: first protective door 1, avoidance part 11, avoidance groove 111, first sliding module 12, first auxiliary sliding module 13, connector 14, outer protective plate 15, first protective door handle 16, sealing baffle 17, second protective door 2, second sliding module 21, second auxiliary sliding module 22, inner protective plate 23, second protective door handle 24, grinding machine worktable 3, common rail sliding mechanism 4, protective door slide rail 41, slide seat 42, and pulley 43. Detailed Implementation

[0029] like Figures 1 to 10 As shown, the protective doors of this linear guide grinding machine include a first protective door 1 and a second protective door 2 with an inverted U-shaped vertical cross section. The first protective door 1 and the second protective door 2 are stacked and can move along the axial direction of the grinding machine worktable 3 to overlap each other. The first protective door 1 and the second protective door 2 are slidably connected to a protective door slide rail 41 on the same side through a common rail sliding mechanism 4, so that the first protective door 1 and the second protective door 2 can slide independently and overlap on the protective door slide rail 41.

[0030] In this embodiment, the first protective door 1 and the second protective door 2 are respectively arranged overlappingly on the protective door slide rails 41 on both sides. They are set on the same track and can move freely on the protective door slide rails 41. This achieves the effects of saving installation space, improving overall durability, and enhancing protective capabilities.

[0031] More specifically, the common rail sliding mechanism 4 includes a clearance part 11 disposed on the side of the first protective door 1 to provide axial space for the second protective door 2 to connect with the protective door slide rail 41. A first sliding module 12 that can slide axially on the protective door slide rail 41 is provided in the clearance part 11. The first protective door 1 is fixedly connected to the first sliding module 12, and the second protective door 2 is slidably connected to the protective door slide rail 41 through the second sliding module 21.

[0032] More specifically, the clearance part 11 includes a clearance groove 111 disposed on the side of the first protective door 1 and extending axially along the protective door slide rail 41, and the first sliding module 12 is partially disposed in the clearance groove 111.

[0033] In this embodiment, the height of the second protective door 2 is less than the height of the first protective door 1. The first protective door 1 can be fitted over the outside of the second protective door 2 when sliding. A sealing baffle 17 is provided at the top of the first protective door 1 and at the gap between the first protective door 1 and the second protective door 2.

[0034] like Figure 6 and 7 As shown, the second sliding module 21 is located at the inner end of the side of the second protective door 2, and a second auxiliary sliding module 22 is provided at the outer end of the same side of the second protective door 2, which is slidably connected to the protective door slide rail 41. An inner protective plate 23 is provided on the inner side of the second sliding module 21 and the second auxiliary sliding module 22, which is fixedly connected to the side of the second protective door 2. An avoidance groove 111 is formed between the second sliding module 21, the second auxiliary sliding module 22, the second protective door 2, the protective door slide rail 41 and the inner protective plate 23.

[0035] More specifically, the first sliding module 12 is located at the inner end of the side of the first protective door 1, and the outer end of the first protective door 1 on the same side is provided with a first auxiliary sliding module 13 that is slidably connected to the protective door slide rail 41.

[0036] like Figure 10 As shown, the bottom side of the first protective door 1 is connected to the first sliding module 12 via a connector 14.

[0037] More specifically, the first sliding module 12, the second sliding module 21, the first auxiliary sliding module 13, and the second auxiliary sliding module 22 are connected to the axial sliding and circumferential limiting of the protective door slide rail 41.

[0038] like Figure 10 As shown, the first sliding module 12, the second sliding module 21, the second auxiliary sliding module 22 and the first auxiliary sliding module 13 include a slide seat 42 that fits tightly with the arc-shaped top surface of the protective door slide rail 41. The bottom of the slide seat 42 is provided with two pairs of pulleys 43 that can slide and fit with the side rails of the protective door slide rail 41 that retract inward.

[0039] In this embodiment, the pulley 43 is connected to the slide block 42 by a bolt passing through the slide block 42. The bolt passes through a bolt hole on the slide block 42 that is inclined to the inner side of the web of the protective door slide rail 41.

[0040] More specifically, the first protective door 1 and the second protective door 2 are slidably connected to a protective door slide rail 41 on the same side via a common track sliding mechanism 4. An outer protective plate 15 is fixed to the bottom side of the first protective door 1, located outside the protective door slide rail 41.

[0041] In this embodiment, first protective door handles 16 located at both ends of the first protective door 1 are provided on both sides of the first protective door 1, and second protective door handles 24 located at the outer ends of the second protective door 2 are provided on both sides of the second protective door 2.

[0042] The working principle of this embodiment is that the first protective door 1 and the second protective door 2 share the same protective door slide rail 41. To achieve this, an avoidance groove 111 is provided on the side of the first protective door 1, providing axial movement space. This ensures that although the connection points of the two doors are on the same track, they are spatially offset, avoiding movement interference.

[0043] Each protective door is supported by two sliding modules on each side. The sliding base 42 of these common rail sliding mechanisms 4 is tightly fitted with the arc-shaped top surface of the protective door slide rail 41 to bear the weight. The bottom pulley 43 clamps the inwardly retracting rail waist of the protective door slide rail 41, thereby realizing free axial sliding while strictly limiting the circumferential direction, ensuring stable operation and preventing overturning.

[0044] During the opening process, the operator can pull the second protective door handle 24, so that the second protective door 2 slides on the protective door slide rail 41 towards another door via its second sliding module 21 and second auxiliary sliding module 22.

[0045] Simultaneously or subsequently, the operator can pull the first protective door handle 16, causing the first protective door 1 to slide towards each other on the same protective door slide rail 41 via its first sliding module 12 and first auxiliary sliding module 13.

[0046] During this process, the sliding mechanism of the second protective door 2 moves within the channel formed by the inner protective plate 23, while the first sliding module 12 of the first protective door 1 moves within the corresponding space formed by the clearance groove 111 and the side of the second protective door 2. The paths of the two doors overlap but their spaces intersect, and they do not interfere with each other. The two protective doors can eventually slide to completely overlap each other and can be stopped at either end or in any middle position.

[0047] During the closing process, the operation is the reverse of the opening process. Push both doors back along slide rail 41 until they completely cover the corresponding grinding machine work area again. At this time, the sealing baffle 17 located at the top of the first protective door 1 further seals the gap between the two doors, thus achieving a good sealing effect.

[0048] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0049] Although this document frequently uses terms such as first protective door, clearance section, clearance groove, first sliding module, first auxiliary sliding module, connector, outer protective plate, first protective door handle, sealing baffle, second protective door, second sliding module, second auxiliary sliding module, inner protective plate, second protective door handle, grinding machine worktable, common rail sliding mechanism, protective door slide rail, slide block, and pulley, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A protective door of a linear guide grinder, comprising a first protective door (1) and a second protective door (2) in inverted U-shaped vertical section, said first protective door (1) and said second protective door (2) being arranged in layers and being movable along the axial direction of a grinder table (3) to be overlapped with each other, characterized in that, The first protective door (1) and the second protective door (2) are slidably connected on at least one side to a protective door slide rail (41) on the same side via a common track sliding mechanism (4), so that the first protective door (1) and the second protective door (2) can slide independently and overlap on the protective door slide rail (41).

2. The protective door of the linear guide grinding machine according to claim 1, characterized in that, The common rail sliding mechanism (4) includes a clearance part (11) provided on the side of the first protective door (1) for providing axial space for the second protective door (2) to connect with the protective door slide rail (41). A first sliding module (12) that can slide axially on the protective door slide rail (41) is provided in the clearance part (11). The first protective door (1) is fixedly connected to the first sliding module (12), and the second protective door (2) is slidably connected to the protective door slide rail (41) through the second sliding module (21).

3. The protective door of the linear guide grinding machine according to claim 2, characterized in that, The avoidance part (11) includes an avoidance groove (111) provided on the side of the first protective door (1) and extending axially along the protective door slide rail (41), and at least a portion of the first sliding module (12) is provided in the avoidance groove (111).

4. The protective door of the linear guide grinding machine according to claim 3, characterized in that, The second sliding module (21) is located on the inner end of the side of the second protective door (2). On the outer end of the same side of the second protective door (2), there is a second auxiliary sliding module (22) that is slidably connected to the protective door slide rail (41). The inner side of the second sliding module (21) and the second auxiliary sliding module (22) is provided with an inner protective plate (23) that is fixedly connected to the side of the second protective door (2). The avoidance groove (111) is formed between the second sliding module (21), the second auxiliary sliding module (22), the second protective door (2), the protective door slide rail (41) and the inner protective plate (23).

5. The protective door of the linear guide grinding machine according to claim 4, characterized in that, The first sliding module (12) is located on the inner side of the first protective door (1), and the outer side of the first protective door (1) is provided with a first auxiliary sliding module (13) that is slidably connected to the protective door slide rail (41).

6. The protective door of the linear guide grinding machine according to any one of claims 2-5, characterized in that, The bottom side of the first protective door (1) is connected to the first sliding module (12) via a connector (14).

7. The protective door of the linear guide grinding machine according to claim 5, characterized in that, The first sliding module (12), the second sliding module (21), the first auxiliary sliding module (13), and the second auxiliary sliding module (22) are connected to the axial sliding and circumferential limiting of the protective door slide rail (41).

8. The protective door of the linear guide grinding machine according to claim 7, characterized in that, The first sliding module (12), the second sliding module (21), the second auxiliary sliding module (22) and the first auxiliary sliding module (13) include a slide seat (42) that fits tightly with the arc-shaped top surface of the protective door slide rail (41). The bottom of the slide seat (42) is provided with at least one pair of pulleys (43) that can slide with the side rails of the protective door slide rail (41) that retract inward.

9. The protective door of the linear guide grinding machine according to any one of claims 1-5, characterized in that, The first protective door (1) and the second protective door (2) are slidably connected to a protective door slide rail (41) on the same side by a common track sliding mechanism (4).

10. The protective door of the linear guide grinding machine according to any one of claims 2-5, characterized in that, The first protective door (1) has an outer protective plate (15) fixed at the bottom of its side, located outside the protective door slide rail (41).

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