Connecting rod clamping device

Abstract

The utility model discloses a connecting rod clamping device, which relates to the technical field of connecting rod clamping and comprises a base, a fixing ring, a fixing groove, a pressing mechanism, a mounting surface, a baffle plate, a fixing screw I, a positioning pin I, a baffle block, a fixing screw II, a positioning pin II, a side positioning surface, a fixing screw III, a counterbore, a positioning hole I and a positioning hole II, the inside of the base is fixedly installed on a lathe chuck, convenient installation is achieved, the side positioning faces, the first positioning holes, the second positioning holes and the second positioning pins on the inner sides of the check blocks are matched, it is ensured that the positions of the multiple connecting rods are accurate, and the machining precision is improved; the installation faces are matched with the baffles, and the outer side faces of the multiple connecting rods abut against the inner side faces of the baffles; it is ensured that the connecting rods cannot move towards the outer side during rotary machining, and the production efficiency is also improved when the multiple connecting rods are clamped and machined together; a pressing mechanism composed of the arc-shaped pressing blocks and the inner hexagonal pressing screws and the pressing clamping grooves are adopted, and it is guaranteed that the multiple connecting rods cannot move in the machining process.

Description

Technical field:

[0001] The utility model relates to the technical field of connecting rod clamping, in particular to a connecting rod clamping device. Background technology:

[0002] The connecting rod assembly plays a vital role in hydraulic motors. It is mainly composed of a connecting rod and a wear-resistant sheet. The head of the connecting rod is designed in the shape of a ball head, which is used to form a spherical joint connection with the plunger body in the hydraulic motor's plunger cylinder. From a top view, the bottom of the connecting rod is rectangular, and the lower surface is a concave arc surface, which contacts the crankshaft eccentric sleeve in the hydraulic motor. To improve the wear resistance of the connecting rod bottom, existing Chinese utility model patents such as patent number CN220505479U disclose a new connecting rod with a detachable bottom design. However, the processing of the arc at the bottom of this connecting rod is relatively cumbersome and inconvenient, and the processing efficiency is relatively low. Therefore, a connecting rod clamping device is urgently needed to meet the needs of one-time clamping processing of multiple connecting rods. Utility model content:

[0003] The purpose of the present invention is to provide a connecting rod clamping device in order to solve the above problems, which solves the problem of one-time clamping and processing requirements for multiple connecting rods.

[0004] In order to solve the above problems, the utility model provides a technical solution: a connecting rod clamping device, including a base, a fixing ring, a fixing groove, a pressing mechanism, a mounting surface, a baffle, a fixing screw 1, a positioning pin 1, a block, a fixing screw 2, a positioning pin 2, a side positioning surface, a fixing screw 3, a countersunk hole, a positioning hole 1 and a positioning hole 2; a plurality of countersunk holes are provided on the fixing ring, the fixing ring is fixedly connected to the base by a plurality of fixing screws 3, and the upper sides of the fixing screws 3 are respectively located on the inner sides of the corresponding countersunk holes, and a plurality of positioning pins 1 are provided between the fixing ring and the base; there are a plurality of mounting surfaces, and the plurality of mounting surfaces are respectively and evenly provided on the four sides of the base; there are a plurality of baffles, and the plurality of baffles are fixedly connected to the corresponding mounting surfaces by a plurality of fixing screws 1; the There are several fixing grooves, several of which are located on the inner sides of the corresponding baffles, several of which are opened on the fixing ring, and several of which are provided with clamping mechanisms on the outer sides of the fixing grooves; there are several stoppers, several of which are located in the center between the corresponding fixing grooves, several of which are fixedly connected to the fixing ring by fixing screws 2, several of which are provided with side positioning surfaces on both sides of the inner sides of the stoppers, and several of which are provided with positioning hole 1 on the bottom surfaces of the inner sides of the stoppers; there are several positioning holes 2, several of which are located in the center between the corresponding fixing grooves, and several of which are opened on the base; there are several positioning pins 2, several of which are located on the inner sides of the corresponding positioning hole 1 on the upper sides, and several of which are located on the inner sides of the corresponding positioning hole 2 on the lower sides.

[0005] Preferably, the specific structure of the clamping mechanism includes a clamping block, a clamping screw and a clamping slot; the clamping block is located above the fixing slot, a clamping slot is opened in the center of the inner side of the clamping block, and both sides of the clamping block are fixedly connected to the fixing ring by clamping screws.

[0006] Preferably, the clamping screw is a hexagon socket screw.

[0007] Preferably, the pressing block is in an arc shape.

[0008] Preferably, the fixing screw 1, the fixing screw 2 and the fixing screw 3 are all hexagon socket screws.

[0009] The beneficial effects of the present invention are as follows: (1) The present invention has a reasonable and simple structure, low production cost, convenient installation, and complete functions. The base is fixed to the lathe chuck by internal installation, so that convenient installation is achieved. The side positioning surface, positioning hole 1, positioning hole 2 and positioning pin 2 on the inner side of the block are used to ensure the accurate position of multiple connecting rods and improve the processing accuracy. The mounting surface and the baffle are matched so that the outer side surfaces of the multiple connecting rods support the inner side surface of the baffle, ensuring that the connecting rods will not move outward during rotation processing. Clamping and processing multiple connecting rods together also improves production efficiency.

[0010] (2) The present invention adopts a clamping mechanism consisting of an arc-shaped pressure block and a hexagonal clamping screw, as well as a clamping slot, to ensure that multiple connecting rods will not move during the processing process. The fixing ring is fixed to the base by the hexagonal fixing screw three, the countersunk hole ensures the flatness of the device surface, and the positioning pin one ensures the installation accuracy between the fixing ring and the base. Description of the drawings:

[0011] Figure 1 It is a structural diagram of the present utility model.

[0012] Figure 2 For the Figure 1 Sectional view along line AA.

[0013] Figure 3 for Figure 1 Partial top view.

[0014] Figure 4 It is a structural diagram of the clamping mechanism.

[0015] 1-base; 2-fixing ring; 3-fixing groove; 4-clamping mechanism; 5-mounting surface; 6-baffle; 7-fixing screw 1; 8-locating pin 1; 9-stopper; 10-fixing screw 2; 11-locating pin 2; 12-side locating surface; 13-fixing screw 3; 14-countersunk hole; 15-locating hole 1; 16-locating hole 2; 41-pressing block; 42-clamping screw; 43-clamping slot. Specific implementation method:

[0016] like Figures 1 to 3 As shown, this specific embodiment adopts the following technical scheme: a connecting rod clamping device, including a base 1, a fixing ring 2, a fixing groove 3, a clamping mechanism 4, a mounting surface 5, a baffle 6, a fixing screw 7, a positioning pin 8, a block 9, a fixing screw 10, a positioning pin 11, a side positioning surface 12, a fixing screw 3, a countersunk hole 14, a positioning hole 15 and a positioning hole 2 16; a plurality of countersunk holes 14 are provided on the fixing ring 2, the fixing ring 2 is fixedly connected to the base 1 by a plurality of fixing screws 3 13, and the upper sides of the fixing screws 3 13 are respectively located on the inner sides of the corresponding countersunk holes 14, and a plurality of positioning pins 8 are provided between the fixing ring 2 and the base 1; there are a plurality of mounting surfaces 5, and the plurality of mounting surfaces 5 are respectively and evenly provided on the four sides of the base 1; there are a plurality of baffles 6, and the plurality of baffles 6 are fixedly connected to the corresponding mounting surfaces 5 by a plurality of fixing screws 7; There are several fixing grooves 3, several of which are respectively located on the inner sides of the corresponding baffles 6, several of which are opened on the fixing ring 2, and several of which are provided with a clamping mechanism 4 on the outer sides of the fixing grooves 3; there are several stoppers 9, several of which are respectively located in the center between the corresponding fixing grooves 3, several of which are fixedly connected to the fixing ring 2 by fixing screws 2 10, several of which are provided with side positioning surfaces 12 on both sides of the inner sides of the stoppers 9, and several of which are provided with positioning holes 15 on the inner bottom surfaces; there are several positioning holes 16, several of which are respectively located in the center between the corresponding fixing grooves 3, and several of which are opened on the base 1; there are several positioning pins 11, several of which are respectively located on the inner sides of the corresponding positioning holes 15 on the upper sides, and several of which are respectively located on the inner sides of the corresponding positioning holes 16 on the lower sides.

[0017] like Figure 4 As shown, the specific structure of the clamping mechanism 4 includes a clamping block 41, a clamping screw 42 and a clamping slot 43; the clamping block 41 is located above the fixing slot 3, and a clamping slot 43 is provided in the center of the inner side of the clamping block 41. Both sides of the clamping block 41 are fixedly connected to the fixing ring 2 by clamping screws 42.

[0018] Among them, the tightening screw 42 is a hexagon socket screw, which is convenient for locking with a hexagon socket wrench; the pressure block 41 is in an arc shape; the fixing screw 1 7, the fixing screw 2 10 and the fixing screw 3 13 are all hexagon socket screws, which are convenient for locking with a hexagon socket wrench.

[0019] The usage status of the present invention is as follows: the present invention has a reasonable and simple structure, low production cost, easy installation, and complete functions. When in use, first fix the base 1 internally to the chuck of the lathe, and then place the connecting rod in the fixing groove 3 on the fixing ring 2. The position of the connecting rod is laterally positioned by the side positioning surface 12 on the inner side of the stopper 9. At the same time, the positioning hole 15 on the inner bottom surface of the stopper 9 and the corresponding positioning hole 2 16 on the base 1 cooperate with the positioning pin 2 11 to further ensure the accurate position of the connecting rod. In addition, the mounting surfaces 5 on the four sides of the base 1 are used to install the baffle 6, and the baffle 6 is fixed to the mounting surface 5 by the hexagonal fixing screw 1 7, so that the outer side of the connecting rod can support the inner side of the baffle 6, thereby ensuring The connecting rod will not move outward during the rotation processing, which ensures the accuracy of the arc processing of the bottom of the connecting rod. Then, the connecting rod is fixed by the clamping mechanism 4 located on the outside of the fixing groove 3. Specifically, the arc-shaped pressure block 41 is placed above the connecting rod, and the pressure block 41 is fixed to the fixing ring 2 by the hexagonal clamping screws 42 on both sides. The clamping groove 43 in the center of the inner side of the pressure block 41 tightly presses the connecting rod to ensure that the connecting rod does not move during the processing. In addition, the fixing ring 2 is fixed to the base 1 by several hexagonal fixing screws 13. The upper side of the fixing screw 13 is located on the inner side of the countersunk hole 14 to ensure that the surface of the device is flat. At the same time, several positioning pins 8 between the fixing ring 2 and the base 1 ensure the installation accuracy between the two.

[0020] The control method of the present invention is through manual start-up or control through existing automation technology. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices. Therefore, the control method and wiring arrangement are no longer explained in detail in the present invention.

[0021] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0023] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A connecting rod clamping device, characterized in that: It comprises a base (1), a fixing ring (2), a fixing groove (3), a pressing mechanism (4), a mounting surface (5), a baffle (6), a fixing screw (7), a positioning pin (8), a stopper (9), a fixing screw (10), a positioning pin (11), a side positioning surface (12), a fixing screw (13), a countersunk hole (14), a positioning hole (15) and a positioning hole (16); The fixing ring (2) is provided with a plurality of countersunk holes (14), and the fixing ring (2) is fixedly connected to the base (1) by a plurality of fixing screws (13), and the upper sides of the fixing screws (13) are respectively located on the inner sides of the corresponding countersunk holes (14), and a plurality of positioning pins (8) are provided between the fixing ring (2) and the base (1); There are a plurality of mounting surfaces (5), and the plurality of mounting surfaces (5) are evenly arranged on the four sides of the base (1); There are a plurality of baffles (6), and each of the baffles (6) is fixedly connected to the corresponding mounting surface (5) by a plurality of fixing screws (7); There are a plurality of fixing grooves (3), each of which is located on the inner side of a corresponding baffle (6), and each of which is provided with a pressing mechanism (4) on the outer side of the fixing grooves (3). There are several stoppers (9), and several of the stoppers (9) are respectively located in the center between the corresponding fixing grooves (3). Several of the stoppers (9) are fixedly connected to the fixing ring (2) by fixing screws (10). Side positioning surfaces (12) are provided on both sides of the inner sides of several of the stoppers (9), and positioning holes (15) are opened on the inner bottom surfaces of several of the stoppers (9); There are a plurality of the second positioning holes (16), and the plurality of the second positioning holes (16) are respectively located in the center between the corresponding fixing grooves (3), and the plurality of the second positioning holes (16) are all opened on the base (1); There are several positioning pins 2 (11), and the upper sides of several positioning pins 2 (11) are respectively located on the inner sides of the corresponding positioning holes 1 (15), and the lower sides of several positioning pins 2 (11) are respectively located on the inner sides of the corresponding positioning holes 2 (16).

2. The connecting rod clamping device according to claim 1, characterized in that: The specific structure of the pressing mechanism (4) includes a pressing block (41), a pressing screw (42) and a pressing slot (43); The pressing block (41) is located above the fixing groove (3), and a clamping groove (43) is provided at the center of the inner side of the pressing block (41). Both sides of the pressing block (41) are fixedly connected to the fixing ring (2) through clamping screws (42).

3. The connecting rod clamping device according to claim 2, characterized in that: The clamping screw (42) is a hexagon socket screw.

4. The connecting rod clamping device according to claim 2, characterized in that: The pressing block (41) is in an arc shape.

5. The connecting rod clamping device according to claim 1, characterized in that: The fixing screw 1 (7), fixing screw 2 (10) and fixing screw 3 (13) are all hexagon socket screws.

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