CN221473753U - Positioning and cutting device for crank pin - Google Patents

Abstract

The utility model discloses a positioning and cutting device for a crank pin, which relates to the technical field of crank pin processing and solves the technical problems that the repeated operation is time-consuming and labor-consuming, the cutting progress is influenced, and the final production progress is influenced because specific clamps are required to be replaced for use due to different sizes of the crank pin at present; the device comprises a workbench, wherein a fixing frame is fixedly arranged in the middle of the top end of the workbench, a first screw rod is rotationally connected to the inside of the fixing frame, a moving plate is connected to the surface of the first screw rod through screw rod nuts in a threaded manner, a moving seat is fixedly arranged at the top end of the moving plate, a clamping assembly is arranged in the moving seat, and the clamping assembly comprises a second screw rod, two moving blocks, two clamping blocks and two fixing grooves; the crank pin clamping device can clamp and fix crank pin bodies with different sizes, does not need to replace a specific clamp to clamp the crank pin bodies, saves time and labor during operation, improves positioning and cutting progress, and improves production progress.

Description

Positioning and cutting device for crank pin

Technical Field

The utility model relates to the technical field of crank pin processing, in particular to a positioning and cutting device for a crank pin.

Background

The crank pin consists of a pin and a countersunk head screw, and is characterized in that the pin is two wedge-shaped bodies, the inner surfaces of the two wedge-shaped bodies are inclined planes, and the outer surfaces of the wedge-shaped bodies are plane surfaces; the length of the crank pin needs to be positioned and cut according to the equipment requirement during production, so that the crank pin can be positioned and cut by a positioning and cutting device of the crank pin during delivery, and the equipment requirement is met;

The current locating and cutting device for the crank pin is generally fixed by arranging a clamp on a workbench in the using process, and then cutting is carried out, but because the crank pin is different in size, the special clamp is required to be replaced for use, so that the repeated operation is time-consuming and labor-consuming, the cutting progress is influenced, and the final production progress is influenced.

Disclosure of utility model

The utility model provides a positioning and cutting device for a crank pin, which solves the technical problems that the repeated operation is time-consuming and labor-consuming, the cutting progress is influenced and the final production progress is influenced because the crank pin is different in size and a specific clamp is required to be replaced for use.

In order to solve the technical problems, the positioning and cutting device for the crank pin comprises a workbench, a fixing frame is fixedly arranged in the middle of the top end of the workbench, a first screw rod is rotatably connected between the two clamping blocks, a movable plate is arranged on the surface of the first screw rod in a threaded mode through screw nuts, a movable seat is fixedly arranged on the top end of the movable plate, a clamping assembly is arranged in the movable seat, the clamping assembly comprises a second screw rod, two movable blocks, two clamping blocks and two fixing grooves, the second screw rod is rotatably connected in the movable seat, threads at two ends of the second screw rod are opposite in rotation direction, the two ends of the second screw rod are all connected with the clamping blocks through screw nuts in a threaded mode, crank pin bodies are clamped between the two clamping blocks, the two fixing grooves are formed in the inner portion of the clamping blocks, a vertical plate is fixedly arranged on two sides of the top end of the movable seat, a threaded rod is fixedly connected with the inner side of the vertical plate, the bottom end of the clamping assembly is rotatably connected with a lower pressing plate, one side of the workbench is fixedly provided with an L-shaped telescopic support, and the L-shaped telescopic support is fixedly arranged on one side of the bottom of the workbench, and the telescopic support is fixedly arranged on the bottom of the telescopic support.

Preferably, one end of the first screw rod penetrates through the fixing frame and is fixedly connected with a first rotating handle arranged outside the fixing frame, and one end of the second screw rod penetrates through the movable seat and is fixedly connected with a second rotating handle arranged outside the movable seat.

Preferably, both ends of the lower pressing plate are fixedly provided with sliding blocks, and one side of each vertical plate is provided with a sliding groove matched with the sliding blocks.

Preferably, the dimensions of the two fixing grooves are the same as those of the pressing plate, and the surface of the movable seat is provided with a cutting groove.

Preferably, a third rotating handle is fixedly arranged at the top end of the threaded rod.

Preferably, an electric telescopic column switch and a cutter switch are fixedly arranged at the top of the front face of the workbench, and the electric telescopic column and the cutter are respectively and electrically connected with a power supply through the electric telescopic column switch and the cutter switch.

Compared with the related art, the positioning and cutting device for the crank pin has the following beneficial effects:

the utility model provides a locating and cutting device for a crank pin, which is characterized in that two moving blocks and two clamping blocks simultaneously do opposite movement by arranging a second rotating handle to be matched with a clamping assembly arranged in a moving seat, so that two sides of a crank pin body are clamped and fixed, a third rotating handle arranged in a matched manner drives a threaded rod to rotate, and a sliding block is matched with the threaded rod to enable a lower pressing plate to move in the vertical direction, so that the lower pressing plate is clamped and fixed with the top end of the crank pin body, further, the crank pin body with different sizes can be clamped and fixed without replacing a specific clamp to clamp the crank pin body, time and labor are saved in operation, and a vertical electric telescopic column, a cutting machine and a scale plate are matched, so that the locating and cutting progress is improved, and the production progress is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model A;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at B;

Fig. 4 is an enlarged schematic view of the structure of the present utility model at C.

Reference numerals in the drawings: 1. a work table; 2. a fixing frame; 3. a first screw rod; 4. a moving plate; 5. a movable seat; 6. a clamping assembly; 61. a second screw rod; 62. a moving block; 63. a clamping block; 64. a fixing groove; 7. a riser; 8. a cross plate; 9. a threaded rod; 10. a lower pressing plate; 11. a scale plate; 12. an L-shaped plate; 13. an electric telescopic column; 14. a cutting machine; 15. a first rotating handle; 16. a second rotating handle; 17. a third rotating handle; 18. a slide block; 19. a crank pin body; 20. cutting grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a crank pin's location cutting device, including workstation 1, workstation 1 top's middle part fixed mounting has mount 2, the inside rotation of mount 2 is connected with first lead screw 3, the surface of first lead screw 3 has movable plate 4 through lead screw nut threaded connection, movable seat 5 is equipped with to the top fixed mounting of movable plate 4, movable seat 5's inside is equipped with clamping assembly 6, clamping assembly 6 is including second lead screw 61, two movable blocks 62, two grip blocks 63 and two fixed slots 64, second lead screw 61 rotates the inside of being connected at movable seat 5, the screw thread on second lead screw 61 both ends revolves to opposite, the both ends of second lead screw 61 all have grip blocks 63 through lead screw nut threaded connection, the centre gripping has crank pin body 19 between two grip blocks 63, fixed slot 64 has all been seted up to the inside of two grip blocks 63, movable seat 5 top's both sides equal fixed mounting has riser 7, fixed mounting has diaphragm 8 between two riser 7, the inside threaded connection of diaphragm 8 has 9, threaded rod 9's bottom rotation connection has lower clamp plate 10, electronic template L12 of one side of workstation 1 and L12 and the fixed mounting of electric scale post 12 and 13L of the fixed mounting of flexible template L13, the flexible board of the fixed surface of the fixed mounting of support is arranged at one side of the flexible support 12L 13.

Referring to fig. 1 and 2, one end of the first screw rod 3 passes through the fixing frame 2 and is fixedly connected with a first rotating handle 15 arranged outside the fixing frame 2, and one end of the second screw rod 61 passes through the movable seat 5 and is fixedly connected with a second rotating handle 16 arranged outside the movable seat 5, so that the first screw rod 3 and the second screw rod 61 which are arranged are conveniently driven to rotate forward and backward.

Referring to fig. 3, the two ends of the lower pressing plate 10 are fixedly provided with sliding blocks 18, and one sides of the two vertical plates 7 are provided with sliding grooves matched with the sliding blocks 18 for limiting.

Referring to fig. 2 and 3, the two fixing grooves 64 have the same size as the lower platen 10, and the surface of the moving seat 5 is provided with a cutting groove 20 for moving the lower platen 10 in the vertical direction, so as to facilitate clamping of the small-sized crank pin body 19.

Referring to fig. 3, a third rotary handle 17 is fixedly installed at the top end of the threaded rod 9, and is used for driving the threaded rod 9 to rotate.

Referring to fig. 1, an electric telescopic column switch and a cutter switch are fixedly installed at the top of the front face of the workbench 1, and an electric telescopic column 13 and a cutter 14 are respectively and electrically connected with a power supply through the electric telescopic column switch and the cutter switch, so that the electric appliance can be conveniently controlled to work and operate, and the electric appliance is more convenient to use and operate.

In summary, in the present utility model, the positioning and cutting device is firstly placed at a working place, the crank pin body 19 to be cut is placed between two clamping blocks 63, then the second rotating handle 16 is arranged to drive the second screw rod 61 to rotate, so that the two moving blocks 62 simultaneously move in opposite directions, the two sides of the crank pin body 19 are clamped and fixed, then the third rotating handle 17 is arranged to drive the threaded rod 9 to rotate, and the sliding block 18 is matched, so that the lower pressing plate 10 and the top end of the crank pin body 19 are pressed and fixed, and then the crank pin body 19 with different sizes can be clamped and fixed without replacing a specific clamp to clamp the crank pin body 19, so that time and labor are saved in operation; then, the first screw rod 3 arranged by being driven through the first rotating handle 15 is rotated, the movable seat 5 moves in the horizontal direction and is matched with the scale plate 11, the position between the crank pin body 19 and the cutting machine 14 is adjusted, then the electric telescopic column 13 and the cutting machine 14 are controlled to work through the electric telescopic column switch and the cutting machine switch, the crank pin body 19 is positioned and cut, and finally the second rotating handle 16 and the third rotating handle 17 which are arranged in a reverse rotation mode are taken down.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a locating and cutting device of crank pin, includes workstation (1), its characterized in that: the middle part fixed mounting on workstation (1) top has mount (2), the inside rotation of mount (2) is connected with first lead screw (3), the surface of first lead screw (3) has movable plate (4) through lead screw nut threaded connection, the top fixed mounting of movable plate (4) has movable seat (5), the inside of movable seat (5) is equipped with clamping assembly (6), clamping assembly (6) are including second lead screw (61), two movable blocks (62), two grip blocks (63) and two fixed slots (64), the inside at movable seat (5) is connected in the rotation of second lead screw (61), the screw thread at second lead screw (61) both ends is rotated to opposite, the both ends of second lead screw (61) all have grip blocks (63) through lead screw nut threaded connection, two the centre gripping has crank pin body (19) between grip blocks (63), two fixed slot (64) have all been seted up to the inside of grip blocks (63), the equal fixed mounting of both sides riser (7) on movable seat (5) top, threaded connection threaded rod (8) have threaded connection cross bar (9), an L-shaped plate (12) is fixedly arranged on one side of the top end of the workbench (1), an electric telescopic column (13) is fixedly arranged on one side of the top end of the L-shaped plate (12), the telescopic end of the electric telescopic column (13) penetrates through the L-shaped plate (12) and is fixedly connected with a cutting machine (14) arranged at the bottom of the L-shaped plate (12), and a scale plate (11) is fixedly arranged on the surface of the fixing frame (2).

2. The crank pin positioning and cutting device according to claim 1, wherein one end of the first screw rod (3) penetrates through the fixing frame (2) and is fixedly connected with a first rotating handle (15) arranged outside the fixing frame (2), and one end of the second screw rod (61) penetrates through the movable seat (5) and is fixedly connected with a second rotating handle (16) arranged outside the movable seat (5).

3. The crank pin positioning and cutting device according to claim 1, wherein sliding blocks (18) are fixedly arranged at two ends of the lower pressing plate (10), and sliding grooves matched with the sliding blocks (18) are formed in one side of each of the two vertical plates (7).

4. The crank pin positioning and cutting device according to claim 1, wherein the dimensions of the two fixing grooves (64) are the same as those of the lower pressing plate (10), and the surface of the movable seat (5) is provided with cutting grooves (20).

5. A crankpin positioning cutting device according to claim 1, characterized in that the top end of the threaded rod (9) is fixedly fitted with a third knob (17).

6. The crank pin positioning and cutting device according to claim 1, wherein an electric telescopic column switch and a cutter switch are fixedly arranged on the top of the front surface of the workbench (1), and the electric telescopic column (13) and the cutter (14) are respectively electrically connected with a power supply through the electric telescopic column switch and the cutter switch.