Tooth row jig for gear production

Abstract

The utility model relates to the field of gear machining, in particular to a tooth row jig for gear production. The tooth row jig for gear production comprises a base, a cross rod and a fixed adjusting assembly, the top end of the base is fixedly connected with a check block used for fixing, a tooth row is placed at the top end of the base, connecting holes are symmetrically formed in the side, close to teeth, of the tooth row, the cross rod is installed on one side of the base, and L-shaped supports are symmetrically connected to the cross rod in a sliding mode; one end of each L-shaped support is fixedly connected with an expansion assembly used for positioning, and a fixing and adjusting assembly used for fixing the tooth rows and adjusting the two L-shaped supports is installed in the base and on the transverse rod. Through the innovative design of the expansion assembly, rapid and accurate fixing of tooth rows at different connecting hole positions can be achieved; by means of the characteristic, the operation process is simplified, the stability of the tooth row in the machining process is guaranteed, and therefore the machining precision and efficiency are remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of gear processing, and in particular to a gear manufacturing fixture. Background Technology

[0002] In the gear manufacturing process, the precise machining of the gear teeth is a crucial step. Although traditional gear teeth machining fixture designs can meet basic machining requirements to a certain extent, they are inadequate when dealing with gear teeth with different connection hole positions.

[0003] Specifically, existing gear fixing methods often lack flexibility and are difficult to adapt to connecting holes of different diameters and spacings on the gears. At the same time, due to the design limitations of the fixing device, it is often difficult to quickly and accurately reposition the gears after they have been flipped. This not only increases the workload of the operators, but may also lead to processing errors due to inaccurate positioning, affecting the overall quality of the gears.

[0004] Therefore, it is necessary to provide a new gear manufacturing fixture to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a gear manufacturing fixture.

[0006] The gear manufacturing fixture provided by this utility model includes: a base, a crossbar, and a fixing and adjusting assembly. A stop block for fixing is fixedly connected to the top of the base. A gear is placed at the top of the base. Connecting holes are symmetrically opened on the side of the gear near the teeth. A crossbar is installed on one side of the base. L-shaped brackets are symmetrically slidably connected to the crossbar. An expansion assembly for positioning is fixedly connected to one end of the L-shaped bracket. A fixing and adjusting assembly for fixing the gear and adjusting the two L-shaped brackets is installed inside the base and on the crossbar.

[0007] Preferably, the expansion assembly includes: a connecting sleeve, a movable column, a return spring, a first connecting rod, a second connecting rod, and an arc-shaped support plate. The top of the L-shaped bracket is fixedly connected to the connecting sleeve, the movable column is slidably connected to the inner wall of the connecting sleeve, the return spring is fixedly connected between the inside of the connecting sleeve and the movable column, the first connecting rod is rotatably connected to the outer wall of the connecting sleeve at equal intervals, the second connecting rod is rotatably connected to the outer wall of the movable column at equal intervals, the middle of the first connecting rod and the second connecting rod is hinged, and the ends of the first connecting rod and the second connecting rod away from the movable column are slidably connected to the arc-shaped support plate.

[0008] Preferably, the fixed adjustment assembly includes: an electric push rod and a threaded rod. The electric push rod is fixedly connected to one side of the base. The output end of the electric push rod is fixedly connected to one side of the crossbar. The threaded rod is rotatably connected inside the crossbar. Two L-shaped brackets are threadedly connected to the threaded rod respectively.

[0009] Preferably, the threaded rod is a bidirectional threaded rod.

[0010] Preferably, a scale line is provided on one side of the crossbar.

[0011] Preferably, one end of the threaded rod extends out of the crossbar and has an internal hexagonal groove.

[0012] Preferably, the axes of the connecting sleeve, the movable column, and the connecting hole coincide.

[0013] Compared with related technologies, the gear manufacturing jig provided by this utility model has the following beneficial effects:

[0014] Improve machining accuracy and efficiency:

[0015] Through the innovative expansion component design, it is possible to quickly and accurately fix the toothed lines at different connection hole positions; this feature not only simplifies the operation process, but also ensures the stability of the toothed lines during the machining process, thereby significantly improving machining accuracy and efficiency.

[0016] Enhance adaptability and flexibility:

[0017] This utility model fixture can adapt to tooth lines with different connection hole spacings by adjusting the position of the L-shaped bracket; this design makes the fixture more adaptable and flexible, can meet the needs of various tooth line processing, and reduce production costs.

[0018] Simplify the operation process:

[0019] Traditional gear jigs often require cumbersome adjustment steps when fixing the gears; however, this utility model achieves rapid movement and positioning of the L-shaped bracket through the cooperation of electric push rod and threaded rod, which greatly simplifies the operation process and reduces the difficulty of operation.

[0020] Improve stability and security:

[0021] The arc-shaped support plate in the expansion assembly can fit tightly against the inner wall of the connecting hole to form a stable fixing structure. This design not only ensures the stability of the gear during the machining process, but also improves the overall safety of the fixture, avoiding machining errors or safety accidents caused by insecure fixing. Attached Figure Description

[0022] Figure 1 A schematic diagram of the gear manufacturing fixture provided by this utility model;

[0023] Figure 2 for Figure 1 The diagram shows the structure of the toothed row;

[0024] Figure 3 for Figure 1 The diagram shown is a structural schematic of the electric linear actuator.

[0025] Figure 4 for Figure 1 The diagram shows the structure of the expansion component.

[0026] The following are the labels in the diagram: 1. Base; 2. Stop; 3. Gear; 4. Connecting hole; 5. Crossbar; 6. L-shaped bracket; 7. Scale line; 8. Hexagonal recess; 21. Connecting sleeve; 22. Moving column; 23. Return spring; 24. Connecting rod one; 25. Connecting rod two; 26. Arc-shaped support plate; 31. Electric push rod; 32. Threaded rod. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0028] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0029] Please see Figure 1-4 A gear manufacturing fixture includes: a base 1, a crossbar 5, and a fixing and adjusting assembly. A stop block 2 for fixing is fixedly connected to the top of the base 1. A gear 3 is placed on the top of the base 1. A connecting hole 4 is symmetrically opened on the side of the gear 3 near the teeth. A crossbar 5 is installed on one side of the base 1. An L-shaped bracket 6 is symmetrically slidably connected on the crossbar 5. An expansion assembly for positioning is fixedly connected to one end of the L-shaped bracket 6. A fixing and adjusting assembly for fixing the gear 3 and adjusting the two L-shaped brackets 6 is installed inside the base 1 and on the crossbar 5. A scale line 7 is opened on one side of the crossbar 5.

[0030] It should be noted that, according to the spacing between the connecting holes 4 on the gear row 3 to be processed, the operator needs to adjust the position of the L-shaped bracket 6; this step is achieved by rotating the threaded rod 32; since the threaded rod 32 is a bidirectional threaded rod 32, when the threaded rod 32 is rotated, the two L-shaped brackets 6 will move in opposite directions at the same time, thereby adjusting the distance between them; the scale line 7 on the crossbar 5 provides the operator with a precise adjustment reference to ensure that the distance between the L-shaped brackets 6 matches the spacing between the connecting holes 4 on the gear row 3.

[0031] Please see Figure 4The expansion assembly includes: a connecting sleeve 21, a moving column 22, a return spring 23, a connecting rod 1 24, a connecting rod 25, and an arc-shaped support plate 26. The top of the L-shaped bracket 6 is fixedly connected to the connecting sleeve 21. The moving column 22 is slidably connected to the inner wall of the connecting sleeve 21. The return spring 23 is fixedly connected between the inside of the connecting sleeve 21 and the moving column 22. The connecting rod 1 24 is equidistantly rotatably connected to the outer wall of the connecting sleeve 21. The connecting rod 25 is equidistantly rotatably connected to the outer wall of the moving column 22. The middle of the connecting rod 1 24 and the connecting rod 25 is hinged. The arc-shaped support plate 26 is slidably connected to the end of the connecting rod 1 24 and the connecting rod 25 away from the moving column 22. The axes of the connecting sleeve 21, the moving column 22, and the connecting hole 4 coincide.

[0032] It should be noted that: the movable column 22 in the expansion assembly first contacts the inside of the connecting hole 4 of the toothed row 3; as the movable column 22 is continuously subjected to force, it will squeeze the return spring 23 and move downward; at the same time, the connecting rod 24 and the connecting sleeve 21 connected to the movable column 22 and the connecting rod 25 form a scissor structure; since the connecting rod 24 and the connecting rod 25 are hinged in the middle, when the movable column 22 moves downward, the connecting rod 24 and the connecting rod 25 will unfold to both sides respectively, thereby driving the arc-shaped support plate 26 to support the inside of the connecting hole 4;

[0033] When the arc-shaped support plate 26 is fully extended and tightly attached to the inner wall of the connecting hole 4, the gear 3 is firmly fixed on the fixture; at this time, no matter how the fixture moves or is subjected to external force, the position of the gear 3 will remain in the fixed position of the fixture, ensuring machining accuracy.

[0034] Please see Figure 3-4 The fixed adjustment assembly includes an electric push rod 31 and a threaded rod 32. The electric push rod 31 is fixedly connected to one side of the base 1. The output end of the electric push rod 31 is fixedly connected to one side of the crossbar 5. The threaded rod 32 is rotatably connected inside the crossbar 5. Two L-shaped brackets 6 are threadedly connected to the threaded rod 32 respectively. The threaded rod 32 is a bidirectional threaded rod. One end of the threaded rod 32 extends out of the crossbar 5 and has an internal hexagonal groove 8.

[0035] The working principle of the gear manufacturing jig provided by this utility model is as follows:

[0036] L-shaped bracket 6-position adjustment:

[0037] First, based on the spacing between the connecting holes 4 on the gear row 3 to be processed, the operator needs to adjust the position of the L-shaped bracket 6; this step is achieved by rotating the threaded rod 32; since the threaded rod 32 is a bidirectional threaded rod 32, when the threaded rod 32 is rotated, the two L-shaped brackets 6 will move in opposite directions at the same time, thereby adjusting the distance between them; the scale line 7 on the crossbar 5 provides the operator with a precise adjustment reference to ensure that the distance between the L-shaped brackets 6 matches the spacing between the connecting holes 4 on the gear row 3;

[0038] Tooth row 3 placement and preliminary positioning:

[0039] After adjusting the position of the L-shaped bracket 6, the operator places the toothed rod 3 on the base 1. At this time, one side of the toothed rod 3 should be in close contact with the stop block 2 to ensure that the position of the toothed rod 3 is stable in the horizontal direction. Then, the operator aligns the connecting hole 4 on the toothed rod 3 with the position of the L-shaped bracket 6 on the base 1 to prepare for subsequent fixing.

[0040] Tooth row 3 fixed:

[0041] Next, the operator drives the electric push rod 31; the output end of the electric push rod 31 is fixedly connected to one side of the crossbar 5, so when the electric push rod 31 extends, it will drive the crossbar 5 and the two L-shaped brackets 6 to move towards the base 1; during this process, the expansion component at the top of the L-shaped bracket 6 begins to function.

[0042] The movable column 22 in the expansion assembly first contacts the inside of the connecting hole 4 of the toothed row 3; as the movable column 22 continues to be subjected to force, it will squeeze the return spring 23 and move downward; at the same time, the connecting rod 24 and the connecting sleeve 21 connected to the movable column 22 and the connecting rod 25 form a scissor structure; since the connecting rod 24 and the connecting rod 25 are hinged in the middle, when the movable column 22 moves downward, the connecting rod 24 and the connecting rod 25 will unfold to both sides respectively, thereby driving the arc-shaped support plate 26 to support the inside of the connecting hole 4;

[0043] When the arc-shaped support plate 26 is fully extended and tightly attached to the inner wall of the connecting hole 4, the gear 3 is firmly fixed on the fixture; at this time, no matter how the fixture moves or is subjected to external force, the position of the gear 3 will remain in the fixed position of the fixture, ensuring machining accuracy.

[0044] Processing operations:

[0045] Once gear 3 is fixed, the operator can proceed with subsequent machining operations; since gear 3 is stably fixed on the fixture, the machining process can be carried out more efficiently and precisely.

[0046] Disassembly and cleaning:

[0047] After processing is completed, the operator can disassemble the gear 3 by reversing the electric push rod 31; at this time, the return spring 23 will push the moving column 22 to move upward, causing the connecting rod 1 24 and connecting rod 25 to retract, and the arc-shaped support plate 26 will also leave the inner wall of the connecting hole 4; then, the operator can remove the gear 3 from the fixture for the next round of processing or cleaning.

[0048] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A gear-grooving fixture for gear production, characterized in that, include: The base (1) has a stop (2) fixedly connected to the top of the base (1), and a toothed row (3) is placed on the top of the base (1). The toothed row (3) has symmetrical connecting holes (4) on the side near the teeth. A crossbar (5) is installed on one side of the base (1). An L-shaped bracket (6) is symmetrically slidably connected on the crossbar (5). An expansion component for positioning is fixedly connected to one end of the L-shaped bracket (6). The base (1) and the crossbar (5) are equipped with a fixed adjustment assembly for fixing the toothed row (3) and adjusting the two L-shaped brackets (6).

2. The gear manufacturing fixture according to claim 1, characterized in that, The expansion assembly includes: a connecting sleeve (21), a moving column (22), a return spring (23), a connecting rod one (24), a connecting rod two (25), and an arc-shaped support plate (26). The top of the L-shaped bracket (6) is fixedly connected to the connecting sleeve (21). The moving column (22) is slidably connected to the inner wall of the connecting sleeve (21). The return spring (23) is fixedly connected between the inside of the connecting sleeve (21) and the moving column (22). The connecting rod one (24) is equidistantly rotatably connected to the outer wall of the connecting sleeve (21). The connecting rod two (25) is equidistantly rotatably connected to the outer wall of the moving column (22). The middle of the connecting rod one (24) and the connecting rod two (25) are hinged. The end of the connecting rod one (24) and the connecting rod two (25) away from the moving column (22) is slidably connected to the arc-shaped support plate (26).

3. The gear manufacturing fixture according to claim 1, characterized in that, The fixed adjustment assembly includes an electric push rod (31) and a threaded rod (32). The electric push rod (31) is fixedly connected to one side of the base (1). The output end of the electric push rod (31) is fixedly connected to one side of the crossbar (5). The threaded rod (32) is rotatably connected inside the crossbar (5). Two L-shaped brackets (6) are threadedly connected to the threaded rod (32) respectively.

4. The gear manufacturing fixture according to claim 3, characterized in that, The threaded rod (32) is a bidirectional threaded rod.

5. The gear manufacturing fixture according to claim 1, characterized in that, A scale line (7) is provided on one side of the crossbar (5).

6. The gear manufacturing fixture according to claim 3, characterized in that, One end of the threaded rod (32) extends out of the crossbar (5) and has an internal hexagonal groove (8).

7. The gear manufacturing fixture according to claim 2, characterized in that, The axes of the connecting sleeve (21), the moving column (22), and the connecting hole (4) coincide.

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