A gear fixing device for gear hobbing machine

Abstract

The utility model provides a gear fixing device for a gear hobbing machine, belonging to the technical field of gear processing, comprising a placement plate, six of which are installed in a ring shape, two connection holes are provided on the surface of the placement plate, a fixing rod is fixedly installed at the middle position of the upper end surface of the placement plate, and a cushion block is fixedly installed at the top of the fixing rod. In the utility model, the sliding block is slidably mounted inside the card slot, so that when the worker moves the position of the sliding block back and forth, the position of the limit block can be adjusted, thereby fixing gears of different sizes, and the first screw rod at the upper end of the sliding block is clamped in the connection hole on the surface of the placement plate. After the worker tightens the nut on the surface of the first screw rod, the placement plate can be fixed on the surface of the turntable.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear processing, and more specifically, particularly relates to a gear fixing device for a gear hobbing machine. Background Art

[0002] Gear hobbing machines are the most widely used type of gear processing machine tools. They can cut spur and helical cylindrical gears, as well as worm gears, sprockets, etc. However, when processing larger gears, workers still have inconveniences when fixing the gears.

[0003] Based on the above, when the existing gear hobbing machine fixes larger-sized gears, due to the different sizes of gears of different models, it is necessary to adjust the position of the pad under the gear when fixing different models of gears, but workers cannot quickly and accurately adjust the position of the pad, resulting in low work efficiency. Utility Model Content

[0004] In order to solve the above technical problems at least to a certain extent, the utility model provides a gear fixing device for a gear hobbing machine.

[0005] The purpose and effect of the gear fixing device of a gear hobbing machine of the utility model are achieved by the following specific technical means: a gear fixing device of a gear hobbing machine, comprising a rotating disk;

[0006] The turntable body is a circular plate structure, and the upper end surface of the turntable is provided with six slots, which are arranged in a ring structure;

[0007] A placement plate, wherein six placement plates are installed in a ring shape, two connection holes are provided on the surface of the placement plate, a fixing rod is fixedly installed at the middle position of the upper end surface of the placement plate, and a cushion block is fixedly installed at the top end of the fixing rod;

[0008] A fixing plate, the fixing plate is fixedly mounted above the inner end surface of the placement plate, and a second screw is fixedly mounted on the upper end surface of the fixing plate;

[0009] A pressing plate, wherein a sliding groove is provided in the middle of the surface of the pressing plate, and the outer end surface of the pressing plate is an arc-shaped structure.

[0010] Furthermore, a sliding block is slidably mounted inside the card slot, the upper end surface of the sliding block is flush with the upper end surface of the turntable, and two first screws are fixedly mounted on the upper end surface of the sliding block.

[0011] Furthermore, the first screw rod is clamped in a connection hole on the surface of the placement plate, and a nut is provided on the surface of the first screw rod.

[0012] Furthermore, the surface of the turntable is annularly provided with six groups of scale lines, each group of scale lines is located at both ends of the card slot, and an indicator arrow is respectively installed on the left and right end surfaces of the placement plate, and the indicator arrow points to the position of the scale line.

[0013] Furthermore, the second screw is clamped in a slide groove on the surface of the pressing plate, and the outer diameter of the second screw is the same as the width of the slide groove.

[0014] Furthermore, two locking sleeves are provided on the surface of the second screw rod, the locking sleeves are threadedly connected to the second screw rod, and the inner end surfaces of the two locking sleeves are respectively fitted with the upper and lower end surfaces of the pressing plate.

[0015] Furthermore, a limiting block is fixedly mounted on the upper end surface of the cushion block, the outer end surface of the limiting block is an arc-shaped structure, and the position above the outer end surface of the limiting block is an inclined structure.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the utility model, the sliding block is slidably mounted inside the card slot, so that the worker can adjust the position of the limit block when moving the sliding block forward and backward, thereby fixing gears of different sizes. The first screw rod at the upper end of the sliding block is clamped in the connecting hole on the surface of the placing plate. After the worker tightens the nut on the surface of the first screw rod, the placing plate can be fixed on the surface of the turntable.

[0018] In addition, a scale line is provided at each end of the slot, and the indicator arrows on the left and right ends of the placement plate point to the position of the scale line, so that workers can accurately determine the position of the limit block according to the numbers on the surface of the scale line, thereby realizing the rapid installation of the fixing rod.

[0019] In addition, a limit block is fixedly installed on the top surface of the cushion block, and the six limit blocks are arranged in a ring structure, so that workers can clamp the gear to be processed on the outside of the limit block, and the outer end surface of the limit block can fit with the inner wall of the inner hole of the gear, and the second screw is clamped in the slide groove on the surface of the pressure plate. Workers can press the front end of the pressure plate on the upper end surface of the gear, and then thread the locking sleeve on the outside of the second screw to make the locking sleeve fit tightly with the pressure plate. The pressure plate can transfer the pressure to the surface of the gear, thereby achieving the fixation of the gear, thereby facilitating the processing of the gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall device structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the connection structure of the turntable and the fixing rod of the utility model.

[0022] Figure 3The utility model is a schematic diagram of the exploded structure of a turntable, a sliding block and a placement plate.

[0023] Figure 4 It is a schematic diagram of the connection structure between the locking sleeve and the second screw rod of the utility model.

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the pressing plate of the utility model.

[0025] Figure 6 It is a structural schematic diagram of a fixing rod, a cushion block and a placement plate of the utility model.

[0026] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0027] 1. Turntable; 101. Slot; 1011. Scale line; 2. Sliding block; 201. First screw; 3. Placement plate; 301. Connection hole; 302. Indicator arrow; 4. Fixing rod; 401. Pad; 4011. Limiting block; 5. Fixing plate; 501. Second screw; 6. Pressing plate; 601. Slide groove; 7. Locking sleeve. DETAILED DESCRIPTION

[0028] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0029] Embodiment 1:

[0030] like Figures 1 to 6 As shown:

[0031] The utility model provides a gear fixing device for a gear hobbing machine, comprising a rotating disk 1;

[0032] The main body of the turntable 1 is a circular plate structure, and the upper end surface of the turntable 1 is provided with six slots 101, which are arranged in a ring structure;

[0033] The placing plate 3 is provided with six placing plates 3 in a ring shape, and two connecting holes 301 are provided on the surface of the placing plate 3. A fixing rod 4 is fixedly installed at the middle position of the upper end surface of the placing plate 3, and a cushion block 401 is fixedly installed at the top of the fixing rod 4;

[0034] The fixing plate 5 is fixedly installed above the inner end surface of the placing plate 3, and a second screw 501 is fixedly installed on the upper end surface of the fixing plate 5. The second screw 501 is clamped in a slide groove 601 on the surface of the pressing plate 6, and the outer diameter of the second screw 501 is the same as the width of the slide groove 601;

[0035] The pressing plate 6 has a sliding groove 601 in the middle of its surface, and the outer end surface of the pressing plate 6 is an arc-shaped structure.

[0036] Among them, the internal sliding card of the slot 101 is equipped with a sliding block 2, the upper end surface of the sliding block 2 is flush with the upper end surface of the turntable 1, and two first screws 201 are fixedly installed on the upper end surface of the sliding block 2. The first screw 201 is clamped in the connecting hole 301 on the surface of the placement plate 3, and a nut is provided on the surface of the first screw 201. The sliding block 2 is slidably clamped in the internal setting of the slot 101, so that the worker can adjust the position of the limit block 4011 when moving the sliding block 2 forward and backward, so as to fix gears of different sizes. The first screw 201 is clamped in the connecting hole 301 on the surface of the placement plate 3. After the worker tightens the nut on the surface of the first screw 201, the placement plate 3 can be fixed to the surface of the turntable 1.

[0037] Among them, the surface of the turntable 1 is annular and has six groups of scale lines 1011, each group of scale lines 1011 is located at both ends of the slot 101, and an indicator arrow 302 is installed on the left and right end surfaces of the placement plate 3 respectively, and the indicator arrow 302 points to the position of the scale line 1011, so that workers can accurately determine the position of the limit block 4011 according to the numbers on the surface of the scale line 1011, thereby realizing the rapid installation of the fixing rod 4.

[0038] Among them, two locking sleeves 7 are provided on the surface of the second screw 501, and the locking sleeve 7 is threadedly connected to the second screw 501. The inner end faces of the two locking sleeves 7 are respectively fitted with the upper and lower end faces of the pressure plate 6. The upper end face of the cushion block 401 is fixedly installed with a limiting block 4011. The outer end face of the limiting block 4011 is an arc-shaped structure, and the position above the outer end face of the limiting block 4011 is an inclined structure. During use, the gear can be placed on the upper end surface of the cushion block 401, and the outer end face of the limiting block 4011 is fitted with the inner wall of the gear inner hole, which can play a role in fixing and limiting the gear. The second screw 501 is clamped in the slide groove 601 on the surface of the pressure plate 6, so that after the worker tightens the locking sleeve 7 on the surface of the second screw 501, the pressure plate 6 can be tightly fitted on the surface of the gear to achieve fixation of the gear.

[0039] The specific usage and function of this embodiment are as follows:

[0040] In the utility model, when fixing the gear, the six sliding blocks 2 can be sequentially clamped in the clamping groove 101 on the surface of the turntable 1, and then the first screw rod 201 at the upper end of the sliding block 2 can be clamped in the connecting hole 301 on the surface of the placement plate 3. At this time, the position of the upper limit block 4011 of the cushion block 401 can be adjusted according to the size of the gear to be processed. The setting of the sliding block 2 slidingly clamped in the clamping groove 101 allows the worker to adjust the position of the limit block 4011 when moving the position of the sliding block 2 back and forth, so that gears of different sizes can be fixed. A scale line 1011 is respectively provided at both ends of the clamping groove 101, and the indicator arrows 302 at the left and right ends of the placement plate 3 point to the position of the scale line 1011, so that the worker can adjust the position of the limit block 4011 according to the scale line The numbers on the surface of 1011 are used to accurately determine the position of the limit block 4011, so as to realize the quick installation of the fixing rod 4. The limit block 4011 is fixedly installed on the top surface of the cushion block 401. The six limit blocks 4011 are arranged in a ring structure, so that the workers can clamp the gear to be processed on the outside of the limit block 4011, and the outer end surface of the limit block 4011 can fit with the inner hole of the gear, and the second screw 501 is clamped in the slide groove 601 on the surface of the pressure plate 6. The worker can press the front end of the pressure plate 6 on the upper end surface of the gear, and then thread the locking sleeve 7 on the outside of the second screw 501, so that the locking sleeve 7 is tightly fitted with the pressure plate 6, and the pressure plate 6 can transfer the pressure to the surface of the gear, thereby realizing the fixation of the gear, thereby facilitating the processing of the gear.

[0041] Embodiment 2: Based on the slots 101 in embodiment 1, six slots 101 are provided in a ring shape on the surface of the turntable 1. In actual applications, workers can increase the number of slots 101 according to the size of the gear to be processed. For example, the number of slots 101 can be increased to eight, so that there are eight sliding blocks 2 in the eight slots 101. A pressure plate 6 can be installed above the Meige sliding block 2. In this way, when processing larger gears, there are more pressure plates 6 to fix the gears, thereby improving the stability of the gears.

Claims

1. A gear fixing device for a gear hobbing machine, characterized in that: The invention comprises a rotating disk (1), the upper end surface of the rotating disk (1) is provided with six slots (101), and the six slots (101) are arranged in an annular structure; a placing plate (3), the placing plate (3) is provided with six slots in an annular shape, the surface of the placing plate (3) is provided with two connecting holes (301), a fixing rod (4) is fixedly installed at the middle position of the upper end surface of the placing plate (3), and a cushion block (401) is fixedly installed at the top of the fixing rod (4); a fixing plate (5), the fixing plate (5) is fixedly installed at a position above the inner end surface of the placing plate (3), and a second screw rod (501) is fixedly installed at the upper end surface of the fixing plate (5); and a pressing plate (6), the surface of the pressing plate (6) is provided with a sliding groove (601) at the middle position.

2. The gear fixing device for a gear hobbing machine according to claim 1, characterized in that: A sliding block (2) is slidably mounted inside the card slot (101), the upper end surface of the sliding block (2) is flush with the upper end surface of the rotating disk (1), and two first screw rods (201) are fixedly mounted on the upper end surface of the sliding block (2).

3. The gear fixing device for a gear hobbing machine according to claim 2, characterized in that: The first screw rod (201) is clamped in a connection hole (301) on the surface of the placement plate (3), and a nut is provided on the surface of the first screw rod (201).

4. The gear fixing device for a gear hobbing machine according to claim 1 or 2, characterized in that: The surface of the rotating disk (1) is annular and is provided with six groups of scale lines (1011), each group of scale lines (1011) is located at two ends of the card slot (101), and an indication arrow (302) is respectively installed on the left and right end surfaces of the placement plate (3), and the indication arrow (302) points to the position of the scale line (1011).

5. The gear fixing device for a gear hobbing machine according to claim 1 or 2, characterized in that: The second screw rod (501) is clamped in a slide groove (601) on the surface of the pressing plate (6), and the outer diameter of the second screw rod (501) is the same as the width of the slide groove (601).

6. The gear fixing device for a gear hobbing machine according to claim 1, characterized in that: Two locking sleeves (7) are provided on the surface of the second screw rod (501), and the locking sleeves (7) are threadedly connected to the second screw rod (501), and the inner end surfaces of the two locking sleeves (7) are respectively in contact with the upper and lower end surfaces of the pressing plate (6).

7. The gear fixing device for a gear hobbing machine according to claim 1, characterized in that: A limiting block (4011) is fixedly mounted on the upper end surface of the cushion block (401); the outer end surface of the limiting block (4011) is an arc-shaped structure, and the upper portion of the outer end surface of the limiting block (4011) is an inclined structure.

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