Clamping device for gear drilling

Abstract

The utility model relates to the technical field of gear machining equipment, in particular to a clamping device for gear drilling. According to the technical scheme, the device comprises a base and a bevel gear, and further comprises a plurality of sliding holes formed in the base and distributed in a circumferential array mode, and top clamping blocks abutting against the bevel gear are arranged over the sliding holes; the clamping mechanism is arranged in the base, so that the top clamping block in the sliding hole synchronously moves towards the bevel gear; and the part changing mechanism is arranged on the top clamping block to enable the clamping mechanism to clamp different types of bevel gears. According to the gear clamp, the inclined abutting head and the vertical abutting head on the top clamping block can be replaced according to a straight gear, a bevel gear or a bevel gear through cooperation of the sliding hole, the top clamping block, the clamping mechanism, the part replacing mechanism and other structures, so that the gear clamp can adapt to gears of different types, the application range of the gear clamp is expanded, and the gear clamp is suitable for popularization and application. Not only can more kinds of gears be processed, but also the requirement for customizing a special clamp for each gear type can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear processing equipment technical field especially relates to a clamping device for gear drilling. BACKGROUND

[0002] Gear is a kind of mechanical element, usually circular, surface has a series of evenly distributed teeth, for power transmission and movement. Gear can be divided into various types according to the tooth shape, arrangement and transmission mode and other different characteristics, common include spur gear, helical gear and bevel gear. Gear usually drills a hole for installing gear on the shaft in mechanical equipment, and the gear can be fixed together with the shaft through key, bolt or other coupling by drilling a hole in the center of the gear. Gear uses clamping, that is, fixture to fix gear when drilling, to ensure that it does not displace or deform during drilling. Traditional gear fixture is generally designed for specific types of gears, such as for some standard gear shapes (such as spur gears, helical gears or bevel gears) and specific categories. For different types of gears, new fixtures usually need to be replaced, which limits the adaptability of gear fixtures. SUMMARY

[0003] The utility model aims at the traditional gear fixture is generally designed for specific types of gears, such as for some standard gear shapes (such as spur gears, helical gears or bevel gears) and specific categories. For different types of gears, new fixtures usually need to be replaced, which limits the adaptability of gear fixtures. A clamping device for gear drilling is proposed.

[0004] The utility model discloses a technical scheme: a clamping device for gear drilling, including base and helical gear, still include: the multiple circumferential array distribution's sliding hole of being set up on the base, the top chuck block that the sliding hole's just above is equipped with and leans against helical gear;Clamping mechanism is set up in the base so that the top chuck block in sliding hole moves to helical gear synchronously;The spare part mechanism that sets up on the top chuck block makes clamping mechanism clamps different kinds of helical gears.

[0005] Optionally, the clamping mechanism includes an L-shaped support fixedly connected in the base corresponding to the sliding hole, a plurality of multi-stage air cylinders are fixedly connected on the L-shaped support, a connecting sliding block is slidingly connected in the sliding hole, the top end of the connecting sliding block is fixedly connected with the top chuck block above, a connecting bottom block is fixedly connected at the bottom end of the connecting sliding block, the connecting bottom block is fixedly connected with the piston rod of the corresponding multi-stage air cylinder.

[0006] Optionally, the replacement mechanism comprises a transverse insertion hole, an oblique insertion hole and a vertical insertion hole which are arranged on one end of the top clamp close to the bevel gear, and the transverse insertion hole, the oblique insertion hole and the vertical insertion hole are communicated with each other, a sliding insertion piece is arranged in the transverse insertion hole, an oblique abutment is arranged in the oblique insertion hole, and a vertical abutment is arranged in the vertical insertion hole, the oblique abutment and the vertical abutment are fixedly connected with one end of the corresponding insertion piece, and a first bolt which is inserted into the transverse insertion hole is arranged on the upper surface of the top clamp.

[0007] Optionally, the replacement mechanism further comprises a receiving groove which is arranged on the upper surface of the top clamp and into which the insertion piece is inserted, and a second bolt which is inserted into the receiving groove is arranged on the end of the top clamp away from the transverse insertion hole, the oblique insertion hole and the vertical insertion hole.

[0008] Optionally, the upper surface of the base is provided with a positioning support plate which supports the bevel gear.

[0009] Optionally, the L-shaped support, the multi-stage cylinder, the top clamp and the clamping mechanism are arranged in a circular array with the bevel gear as the center.

[0010] Optionally, the end of the vertical abutment away from the insertion piece is provided with an oblique angle.

[0011] In summary, the present application has at least one of the following beneficial technical effects:

[0012] The present application utilizes the cooperation of the sliding hole, the top clamp, the clamping mechanism and the replacement mechanism, so that the oblique abutment and the vertical abutment on the top clamp can be replaced according to the spur gear, the bevel gear or the bevel gear, so that the gear clamp can adapt to different types of gears, the application range of the gear clamp is expanded, more types of gears can be processed, and the need for customizing a special clamp for each type of gear is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A first state structure schematic view of the gear drilling clamping device is given;

[0014] Figure 2 A second state structure schematic view of the gear drilling clamping device is given;

[0015] Figure 3 For Figure 2 Partial structure schematic view;

[0016] Figure 4 For Figure 3 Partial split structure schematic view.

[0017] Label: 1, base; 11, sliding hole; 111, connecting bottom block; 112, connecting sliding block; 2, L-shaped support; 21, multi-stage cylinder; 3, top clamp block; 31, transverse insertion hole; 32, oblique insertion hole; 33, vertical insertion hole; 34, storage groove; 35, first bolt; 36, second bolt; 37, insertion piece; 38, inclined abutment; 39, vertical abutment; 4, bevel gear; 5, positioning support plate. DETAILED DESCRIPTION

[0018] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0019] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0020] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] It should be noted that the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0023] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0024] Embodiment

[0025] As Figures 1 to 4 shown, the utility model provides a kind of clamping device for gear drilling, including base 1 and helical gear 4, the upper surface middle part of base 1 is equipped with the positioning support plate 5 of supporting helical gear 4, the effect of positioning support plate 5 is to ensure that gear is in correct relative position during processing or assembly, to improve precision and consistency, prevent error from occurring.It also includes: multiple sliding holes 11 distributed in circumferential array are opened in base 1, the top of sliding hole 11 is equipped with the top clamping block 3 that leans against helical gear 4;Clamping mechanism is arranged in base 1 so that the top clamping block 3 in sliding hole 11 moves synchronously to helical gear 4;Change piece mechanism is arranged on top clamping block 3 so that clamping mechanism clamps different kinds of helical gear 4.Adopt replaceable vertical head or inclined head, enterprise does not have to purchase separate fixture for each gear type.Only need to replace different types of head, it can continue to use the same fixture to process multiple gears.This versatility not only reduces the investment of production equipment, but also saves the cost of storage, management and maintenance of fixture.

[0026] Further, clamping mechanism includes L-shaped support 2 that is fixedly connected in base 1 and corresponds with sliding hole 11, L-shaped support 2 is fixedly connected with multiple-stage cylinder 21 on it, and multiple-stage cylinder 21 is a kind of cylinder for compressed air, and its structure includes multiple pistons and multiple cylinder cavities, gradually increases the pressure of gas by the compression mode of grading.This cylinder is usually used for applications requiring higher pressure, which can effectively improve the gas compression efficiency and reduce the burden of single-stage cylinder under high pressure.L-shaped support 2, multiple-stage cylinder 21, top clamping block 3 and clamping mechanism are arranged in circumferential array with helical gear 4 as center, the inside of sliding hole 11 is slidably connected with connecting slide 112, the top end of connecting slide 112 is fixedly connected with the top clamping block 3 above it, and the bottom end of connecting slide 112 is fixedly connected with connecting bottom block 111 that clamps sliding hole 11, and connecting bottom block 111 is fixedly connected with the piston rod of corresponding multiple-stage cylinder 21.

[0027] The component replacement mechanism includes a horizontal insertion hole 31, an oblique insertion hole 32, and a vertical insertion hole 33 located on the top clamping block 3 near the helical gear 4. These three holes are interconnected. A piece 37 is slidably inserted into the horizontal insertion hole 31. An inclined abutment 38 is slidably inserted into the oblique insertion hole 32. A vertical abutment 39 is slidably inserted into the vertical insertion hole 33. The end of the vertical abutment 39 furthest from the piece 37 has an inclined angle, which allows for a more secure fit when it abuts against the bevel gear. Both the inclined abutment 38 and the vertical abutment 39 are fixedly connected to one end of their respective pieces 37. A first bolt 35, inserted into the horizontal insertion hole 31, is spirally provided on the upper surface of the top clamping block 3.

[0028] Furthermore, the replacement mechanism also includes a storage groove 34 on the upper surface of the top clamping block 3 for inserting the insert 37. The top clamping block 3 has a second bolt 36 screwed into the storage groove 34 at one end away from the horizontal insertion hole 31, the oblique insertion hole 32 and the vertical insertion hole 33.

[0029] In this embodiment, gear drilling requires the use of a clamping device, such as... Figure 1 As shown, when the spur gear and bevel gear are clamped by drilling holes, simply insert the end of the insert 37 away from the vertical abutment 39 into the transverse insertion hole 31 at the end of the top clamping block 3 until the vertical abutment 39 is partially inserted into the vertical insertion hole 33. Then, the first bolt 35 can be rotated using a tool. Since the first bolt 35 is screwed to the top clamping block 3, the end of the first bolt 35 inserted into the transverse insertion hole 31 can hold the insert 37 against it, thus preventing the insert 37 with the vertical abutment 39 from coming out of the transverse insertion hole 31 and the vertical insertion hole 33. The installation principle of the insert 37 and the vertical abutment 39 on multiple top clamping blocks 3 is the same as above, and will not be described in detail here. Then, the multi-stage cylinder 21 on the L-shaped support 2 is activated. The piston rod of the multi-stage cylinder 21 pushes the connecting base block 111, causing the connecting base block 111 to move the connecting slider 112. The top of the connecting slider 112 drives the corresponding top clamping block 3 above to move towards the spur gear and the bevel gear, thus clamping and fixing the spur gear and the bevel gear. Finally, a drilling machine can be used to drill holes in the center of the spur gear and the bevel gear. When it is necessary to clamp the helical gear 4 and drill holes in it, simply insert one end of the insert 37 away from the inclined abutment 38 into the transverse insertion hole 31, and then let part of the inclined abutment 38 be inserted into the inclined insertion hole 32. By rotating the first bolt 35 with a tool, the first bolt 35 is firmly pressed against the insert 37 in the transverse insertion hole 31. Finally, activating the multi-stage cylinder 21 on the L-shaped support 2 will cause the inclined abutment 38 to abut into the tooth groove on the helical gear 4, thereby completing the clamping and fixing of the helical gear 4, and then allowing the drilling machine to drill holes in the helical gear 4.

[0030] The preferred embodiments of the above utility model are only used for helping to describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A chucking device for gear drilling, comprising a base (1) and a helical gear (4), characterized in that, Also include: A plurality of sliding holes (11) arranged in a circumferential array are opened on the base (1), and a top clamp block (3) for resisting the bevel gear (4) is arranged above each of the sliding holes (11); A clamping mechanism is arranged in the base (1) so that the top clamp block (3) in the sliding hole (11) moves synchronously to the bevel gear (4); A replacement mechanism is arranged on the top clamp block (3) so that the clamping mechanism clamps different types of bevel gears (4); The replacement mechanism includes a transverse insertion hole (31), an oblique insertion hole (32) and a vertical insertion hole (33) opened on one end of the top clamp block (3) close to the bevel gear (4), the transverse insertion hole (31), the oblique insertion hole (32) and the vertical insertion hole (33) are communicated with each other, a plug (37) is slidably arranged in the transverse insertion hole (31), an inclined abutment (38) is slidably arranged in the oblique insertion hole (32), and a vertical abutment (39) is slidably arranged in the vertical insertion hole (33), the inclined abutment (38) and the vertical abutment (39) are fixedly connected with one end of the corresponding plug (37), and a first bolt (35) is screwed into the transverse insertion hole (31) on the upper surface of the top clamp block (3).

2. A chucking device for gear drilling according to claim 1, characterized in that The clamping mechanism includes an L-shaped support (2) fixedly connected in the base (1) corresponding to the sliding hole (11), a plurality of multi-stage cylinders (21) are fixedly connected on the L-shaped support (2), a connecting sliding block (112) is slidably connected in the sliding hole (11), the top end of the connecting sliding block (112) is fixedly connected with the top clamp block (3) above, and a connecting bottom block (111) is fixedly connected at the bottom end of the connecting sliding block (112) to clamp the sliding hole (11), and the connecting bottom block (111) is fixedly connected with the piston rod of the corresponding multi-stage cylinder (21).

3. The chucking device for gear drilling according to claim 1, wherein The replacement mechanism further includes a receiving groove (34) opened on the upper surface of the top clamp block (3) for inserting the plug (37), and a second bolt (36) is screwed into the receiving groove (34) away from the transverse insertion hole (31), the oblique insertion hole (32) and the vertical insertion hole (33) of the top clamp block (3).

4. The chucking device for gear drilling according to claim 1, wherein The upper surface of the base (1) is provided with a positioning support plate (5) for supporting the bevel gear (4).

5. The chucking device for gear drilling according to claim 2, wherein The L-shaped support (2), the multi-stage cylinder (21), the top clamp block (3) and the clamping mechanism are arranged in a circumferential array with the bevel gear (4) as the center.

6. The chucking device for gear drilling according to claim 1, wherein An inclined angle is arranged at one end of the vertical abutment (39) away from the plug (37).

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