Gear box clamp

Abstract

The utility model discloses a gear box clamp which comprises a base, a fixing disc is arranged above the base, a plurality of fixing claws are arranged on the fixing disc, the fixing disc is used for bearing a workpiece, a clamping assembly is arranged on one side of the fixing disc, and the clamping assembly is used for clamping the two sides of the bottom of the workpiece. The clamping assembly comprises a guide rod and an adjusting unit, the bottoms of the two ends of the guide rod are fixed to the base through an adjusting block and a positioning block respectively, clamping columns are arranged at the two ends of the guide rod, the middle of each clamping column is hinged to the guide rod, the top of each clamping column abuts against the side wall of the bottom of the workpiece, and the adjusting unit is arranged below the guide rod and connected with the bottoms of the clamping columns. According to the gear box clamp, the fixing disc and the fixing claws are adopted, a gear box blank can be positioned at the bottom, the clamping assembly is matched, the bottom of the side wall of the gear box can be clamped, the gear box is effectively fixed, the peripheral side walls of the gear box are exposed, machining is convenient, and the machining precision and the machining efficiency are greatly improved.

Description

Technical Field

[0001] The utility model relates to a gear box technology, in particular to a gear box fixture. Background Art

[0002] The gearbox is an independent component consisting of gear transmission, worm transmission, and gear-worm transmission enclosed in a rigid housing. It is used to match the speed and transmit torque between the prime mover and the working machine or actuator. With the rapid development of the gearbox industry, more and more industries and different companies have used gearboxes, and more and more companies have grown in the gearbox industry. The gearbox housing is generally formed by casting.

[0003] The cast gearbox blank needs to be fixed on the machine for fine machining. The existing gearbox fixing method generally directly limits the side walls of the gearbox at both ends through the fixing device on the machine to expose the side to be processed, but cannot provide effective fixation for the other two side walls of the blank, causing the gearbox to vibrate during fine machining, greatly affecting the machining accuracy. Moreover, when there are many sides to be machined, it is necessary to loosen the fixing device and rotate the gearbox position to expose the next side to be machined before continuing machining, which greatly affects the machining efficiency. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a gear box clamp, which can fix the gear box blank through the bottom and clamp the side wall of the gear box, which can not only effectively fix the gear box, but also expose the side walls around the gear box, which is convenient for processing and greatly improves the processing accuracy and efficiency.

[0005] To achieve the above technical objectives, the utility model adopts the following technical solutions: a gear box clamp, comprising a base, a fixed plate is provided above the base, the fixed plate is provided with a plurality of fixed claws, the fixed plate is used to carry a workpiece, a clamping assembly is provided on one side of the fixed plate, and the clamping assembly is used to clamp the two sides of the bottom of the workpiece; the clamping assembly comprises a guide rod and an adjusting unit, the bottoms of both ends of the guide rod are respectively fixed to the base by adjusting blocks and positioning blocks, clamping columns are provided at both ends of the guide rod, the middle part of the clamping column is hinged to the guide rod, the top of the clamping column is abutted against the bottom side wall of the workpiece, the adjusting unit is arranged below the guide rod, and the adjusting unit is connected to the bottom of the clamping column.

[0006] Preferably, positioning holes are provided at the centers of the base and the fixed disk, and a positioning pin is provided between the base and the fixed disk, and the top and bottom ends of the positioning pin pass through the two positioning holes respectively.

[0007] Preferably, a boss is provided on the top of the fixing claw, and the boss abuts against the bottom side wall of the workpiece.

[0008] Preferably, the adjustment unit includes an auxiliary column, a connecting column and a cone head, the auxiliary column and the connecting column are located in the same straight line, one end of the auxiliary column and the connecting column abuts against the bottom of the clamping column, the other end of the auxiliary column and the connecting column extends into the adjustment block and abuts against the conical surface of the cone head, the cone head extends into the adjustment block and is coaxially provided with an adjustment bolt, the adjustment bolt is threadedly matched with a nut, the nut is fixed to the adjustment block, and the connecting column passes through the positioning block.

[0009] Preferably, the top thread of the clamping column is equipped with a locking bolt, the end of which abuts against the bottom side wall of the workpiece, and the bottom thread of the clamping column is equipped with a tightening bolt, the end of which abuts against the auxiliary column or the connecting column.

[0010] Preferably, a plurality of ejector pins are provided on one side of the fixing plate relative to the clamping assembly, and the tops of the ejector pins abut against the bottom of the workpiece.

[0011] In summary, the utility model has achieved the following technical effects:

[0012] The gear box clamp of the utility model adopts a fixed plate and a fixed claw to locate the bottom of the gear box blank, and cooperates with the clamping component to clamp the bottom of the gear box side wall, which can not only effectively fix the gear box, but also expose the side walls around the gear box, which is convenient for processing and greatly improves the processing accuracy and processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the gear box fixture of the utility model;

[0014] Figure 2 It is a schematic diagram of the assembly structure of the gear box fixture of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the gear box fixture of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the gear box fixture of the utility model;

[0017] Explanation of the reference numerals in the specification: 1. base; 2. fixing plate; 3. push pin; 4. clamping assembly; 41. adjusting block; 42. positioning block; 43. guide rod; 44. clamping column; 46. locking bolt; 47. connecting column; 48. tightening bolt; 49. adjusting bolt; 50. cone head; 51. nut; 52. auxiliary column; 5. workpiece; 6. fixing claw. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] Embodiment 1:

[0025] like Figure 1 As shown in Figure 4, a gear box clamp comprises a base 1, a fixed plate 2 is provided on the top of the base 1, the fixed plate 2 is provided with a plurality of fixed claws 6, the fixed plate 2 is used to carry a workpiece 5, a clamping assembly 4 is provided on one side of the fixed plate 2, the clamping assembly 4 is used to clamp the two sides of the bottom of the workpiece 5; the clamping assembly 4 comprises a guide rod 43 and an adjusting unit, the bottoms of both ends of the guide rod 43 are respectively fixed to the base 1 by adjusting blocks 41 and positioning blocks 42, clamping columns 44 are provided at both ends of the guide rod 43, the middle part of the clamping column 44 is hinged to the guide rod 43, the top of the clamping column 44 is against the bottom side wall of the workpiece 5, the adjusting unit is arranged below the guide rod 43, and the adjusting unit is connected to the bottom of the clamping column 44.

[0026] The gear box fixture of this embodiment adopts a fixed plate 2 and a fixed claw 6 to position the bottom of the gear box blank, and cooperates with the clamping component 4 to clamp the bottom of the gear box side wall, which can not only effectively fix the gear box, but also expose the side walls around the gear box, which is convenient for processing and greatly improves the processing accuracy and efficiency.

[0027] Positioning holes are provided at the centers of the base 1 and the fixing plate 2 , and a positioning pin is provided between the base 1 and the fixing plate 2 , and the top and bottom ends of the positioning pin pass through the two positioning holes respectively.

[0028] A boss is provided on the top of the fixing claw 6 , and the boss abuts against the bottom side wall of the workpiece 5 ; the setting of the boss can prevent the bottom of the workpiece 5 from escaping from the fixing plate 2 , and pre-position the workpiece 5 , so that the clamping assembly 4 can clamp the workpiece 5 .

[0029] The adjusting unit includes an auxiliary column 52, a connecting column 47 and a cone head 50. The auxiliary column 52 and the connecting column 47 are located in the same straight line. One end of the auxiliary column 52 and the connecting column 47 abuts against the bottom of the clamping column 44, and the other end of the auxiliary column 52 and the connecting column 47 extends into the adjusting block 41 and abuts against the conical surface of the cone head 50. The cone head 50 extends into the adjusting block 41 and is coaxially provided with an adjusting bolt 49. The adjusting bolt 49 is threadedly matched with a nut 51. The nut 51 is fixed to the adjusting block 41. The connecting column 47 passes through the positioning block 42.

[0030] The top thread of the clamping column 44 is equipped with a locking bolt 46, and the end of the locking bolt 46 abuts against the bottom side wall of the workpiece 5. The bottom thread of the clamping column 44 is equipped with a tightening bolt 48, and the end of the tightening bolt 48 abuts against the auxiliary column 52 or the connecting column 47. The setting of the locking bolt 46 and the tightening bolt 48 can be adapted to workpieces 5 of different sizes.

[0031] A plurality of ejector pins 3 are disposed on one side of the fixing plate 2 relative to the clamping assembly 4 , and the tops of the ejector pins 3 abut against the bottom of the workpiece 5 .

[0032] Working principle: first place the bottom of the workpiece 5 on the fixed plate 2, after the pre-positioning and limiting of the fixing claw 6, operate the clamping assembly 4, rotate the adjusting bolt 49, so that the cone head 50 enters the adjusting block 41, and pushes the auxiliary column 52 and the connecting column 47 open, so that the bottom of the clamping column 44 is rotated outward, so that the locking bolt 46 on the top of the clamping column 44 abuts against the bottom of the side wall of the workpiece 5, thereby achieving effective fixation. When encountering a larger workpiece 5, the locking bolt 46 and the tightening bolt 48 can be rotated backward until the clamping column 44 is screwed out. When encountering a smaller workpiece 5, the locking bolt 46 and the tightening bolt 48 can be rotated forward until the clamping column 44 is completely screwed in.

[0033] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A gear box fixture, characterized in that: It includes a base, a fixed plate is provided on the top of the base, a plurality of fixed claws are provided on the fixed plate, the fixed plate is used to carry the workpiece, a clamping assembly is provided on one side of the fixed plate, and the clamping assembly is used to clamp the two sides of the bottom of the workpiece; The clamping assembly includes a guide rod and an adjustment unit. The bottoms of both ends of the guide rod are fixed to the base through adjustment blocks and positioning blocks respectively. Clamping columns are provided at both ends of the guide rod. The middle part of the clamping column is hinged to the guide rod, and the top of the clamping column abuts against the bottom side wall of the workpiece. The adjustment unit is arranged below the guide rod and connected to the bottom of the clamping column.

2. A gear box fixture according to claim 1, characterized in that: Positioning holes are arranged at the centers of the base and the fixing plate, and a positioning pin is arranged between the base and the fixing plate, and the top and bottom ends of the positioning pin pass through the two positioning holes respectively.

3. A gear box fixture according to claim 1, characterized in that: A boss is provided on the top of the fixing claw, and the boss abuts against the bottom side wall of the workpiece.

4. A gear box fixture according to claim 1, characterized in that: The adjusting unit comprises an auxiliary column, a connecting column and a cone head, wherein the auxiliary column and the connecting column are located in the same straight line, one end of the auxiliary column and the connecting column abuts against the bottom of the clamping column, the other end of the auxiliary column and the connecting column extends into the adjusting block and abuts against the conical surface of the cone head, the cone head extends into the adjusting block and is coaxially provided with an adjusting bolt, the adjusting bolt is threadedly matched with a nut, the nut is fixed to the adjusting block, and the connecting column passes through the positioning block.

5. A gear box fixture according to claim 4, characterized in that: The top thread of the clamping column is matched with a locking bolt, and the end of the locking bolt abuts against the bottom side wall of the workpiece. The bottom thread of the clamping column is matched with a tightening bolt, and the end of the tightening bolt abuts against the auxiliary column or the connecting column.

6. The gear box fixture according to claim 1, characterized in that: A plurality of ejector pins are arranged on one side of the fixing plate relative to the clamping assembly, and the tops of the ejector pins abut against the bottom of the workpiece.

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