A spindle external cylindrical grinding device

Abstract

The utility model provides a spindle cylindrical grinding device, comprising a frame, a grinding wheel assembly, a support, a feeding trough, a feeding trough and a material shifting mechanism, wherein a feeding station, a processing station and a feeding station are sequentially arranged on the frame; the grinding wheel assembly is arranged on the processing station, and comprises two grinding wheel bodies, a gap is provided between the two grinding wheel bodies and a processing area is formed; the support is installed directly below the processing area; the feeding trough is arranged on the feeding station; the feeding trough is arranged on the feeding station; the material shifting mechanism is installed on the upper end of the frame, and is used for moving the spindle in the feeding trough into the processing area, or moving the spindle in the processing area into the feeding trough; the spindle cylindrical grinding device of the utility model has a compact structure, can realize automatic grinding, has high processing accuracy and efficiency, and is safe and reliable to use.

Description

Technical Field

[0001] The utility model relates to a grinding device, in particular to a core shaft outer circle grinding device. Background Art

[0002] Regarding precision products such as shaft cores, due to the high precision requirements of the final product, the accuracy of product parts needs to be controlled during the process, especially the shaft core, which is the main component that directly affects the accuracy of the entire product.

[0003] During the processing of the core shaft, its outer circle needs to be ground. In the traditional process, the material is loaded and unloaded manually, which is time-consuming and labor-intensive, with high work intensity, low efficiency, and certain safety hazards. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a core shaft outer cylindrical grinding device which can realize automatic loading and unloading of materials and has high production efficiency and good safety.

[0005] The utility model provides a spindle outer cylindrical grinding device, comprising:

[0006] A frame 1, serving as a support and mounting carrier, on which a loading station, a processing station and an unloading station are sequentially arranged along a straight line;

[0007] A grinding wheel assembly 2 is arranged on the processing station, and comprises two grinding wheel bodies arranged in parallel, with a gap between the two grinding wheel bodies to form a processing area 20;

[0008] A support member 5 is installed directly below the processing area 20 and is used to support the mandrel located in the processing area. The top surface of the support member 5 is an inclined surface.

[0009] A loading trough 3, arranged on the loading station, for placing the mandrel to be processed;

[0010] A material unloading trough, arranged on the unloading station, for placing the processed mandrel;

[0011] The material moving mechanism 4 is installed at the upper end of the frame 1, and is used to move the core shaft in the upper material trough 3 to the processing area, or move the core shaft in the processing area to the lower material trough; the material moving mechanism includes a horizontal slide 42 horizontally slidably mounted above the frame, and a lifting bracket 45 is provided on the horizontal slide 42, and a clamping claw 47 for clamping the core shaft is provided on the lifting bracket 45, and the clamping direction of the clamping claw 47 is parallel to the axis of the processing area.

[0012] Furthermore, the clamping jaws 47 are divided into two groups, and the loading station, the processing station and the unloading station are arranged at equal distances, and the distance is equal to the spacing between two adjacent groups of clamping jaws.

[0013] Furthermore, the frame 1 includes a base 11 and a crossbeam 13 installed directly above the base 11 through a longitudinal beam 12, a guide rod 14 is horizontally arranged on the crossbeam 13, the horizontal slide 42 is horizontally slidably mounted on the guide rod 14, and a horizontal cylinder connected to the horizontal slide 42 and used to drive the horizontal slide to slide is provided on the crossbeam 13.

[0014] Furthermore, the horizontal slide 42 is provided with a vertical guide rod 43 perpendicular to the horizontal plane, the lifting bracket 45 is vertically slidably mounted on the vertical guide rod 43, and the horizontal slide 42 is provided with a vertical cylinder 44 connected to the lifting bracket 45 and used to drive it to rise or fall; clamping cylinders 46 are provided at both ends of the lifting bracket 45, and the clamping claws 47 are arranged at the output end of the clamping cylinder.

[0015] Furthermore, a clamping block 48 is detachably mounted on the clamping jaw, and a sleeve hole is provided on the clamping block 48 for accommodating the end of the core shaft to be inserted.

[0016] Furthermore, the end of the sleeve hole is provided with a chamfer.

[0017] Furthermore, the loading trough 3 includes a trough body 33, a material baffle plate 32, a material ejecting block 35 and a material placing seat 36. The material baffle plate 32 is vertically arranged, and the trough body 33 is obliquely fixed at the rear end of the material baffle plate 32. A strip hole is provided at the lower end of the trough body 33, and the material ejecting block 35 is vertically slidably fitted in the strip hole. The top surface of the material ejecting block 35 is an inclined surface. The material baffle plate 320 is provided with a strip-shaped discharge hole 320 for accommodating the core shaft to pass through. The discharge hole is located above the trough body, and the material placing seat 36 is arranged at the front end of the material baffle plate 32. The top surface of the material placing seat 36 is provided with a material placing trough for horizontally placing the core shaft.

[0018] Furthermore, the material placing groove is a V-shaped groove.

[0019] Furthermore, the material placing trough is coaxial with the processing area.

[0020] Furthermore, side plates are provided on both sides of the trough body 33, and the distance between the two side plates is adjustable.

[0021] The advantages of the utility model are as follows: the mandrel cylindrical grinding device of the utility model is provided with three working stations, which can realize automatic loading, grinding and unloading of the mandrel, greatly reduces the labor intensity of workers, has high processing efficiency and good safety, and is suitable for batch processing; an automatic feeding trough is provided, which can realize automatic loading of the mandrel, has a compact structure and stable loading; a double-claw structure is provided, which can realize synchronous loading and unloading, reduces the material shifting time and the idle running time period, and greatly improves the production efficiency; a sleeve hole structure is provided, which can improve the material clamping stability, avoid falling off, and ensure stable and reliable material clamping; a chamfer is provided in the sleeve hole, which can realize automatic centering, realize automatic compensation for errors, improve the material clamping effect, and reduce the equipment manufacturing cost; the mandrel cylindrical grinding device of the utility model has a compact structure, can realize automatic grinding, has high processing accuracy and efficiency, and is safe and reliable to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the mandrel cylindrical grinding device of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the feeding trough of the mandrel cylindrical grinding device of the utility model;

[0024] Figure 3 It is a cross-sectional view of the feeding trough of the mandrel cylindrical grinding device of the utility model;

[0025] Figure 4 It is a schematic diagram of the installation of the material transfer mechanism of the spindle cylindrical grinding device of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the material transfer mechanism of the mandrel cylindrical grinding device of the utility model;

[0027] Figure 6 It is a cross-sectional view of the grinding wheel assembly of the spindle cylindrical grinding device of the utility model. DETAILED DESCRIPTION

[0028] The following is a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0029] See also Figure 1-Figure 6 The utility model provides a spindle cylindrical grinding device, which can realize automatic loading, automatic grinding and automatic unloading of the spindle. Specifically, it includes a frame 1, a grinding wheel assembly 2, a support member 5, a loading trough 3 and a unloading trough 7.

[0030] The frame 1 is used as a support and mounting carrier for mounting the grinding wheel assembly 2, the support member 5, the loading trough 3 and the unloading trough 7. A loading station, a processing station and an unloading station are sequentially arranged on the frame 1, and the loading station, the processing station and the unloading station are located on the same straight line. In this embodiment, the loading station, the processing station and the unloading station are equidistantly arranged, that is, the distance between the loading station and the processing station is equal to the distance between the processing station and the unloading station.

[0031] The grinding wheel assembly 2 is arranged on the processing station and includes two parallel grinding wheel bodies. Figure 6 , including a first grinding wheel 21 and a second grinding wheel 22, the first grinding wheel and the second grinding wheel are parallel to each other, and the axes thereof are located in the same horizontal plane, and a gap is formed between the first grinding wheel and the second grinding wheel, and the gap forms a processing area 20 for centerless grinding of the outer circle of the core shaft; at the same time, a support member 5 is installed directly below the processing area 20, and is used to support the core shaft located in the processing area. In this embodiment, the support member is a vertically arranged plate-like structure, the plane on which it is located is parallel to the axis (length direction) of the processing area, and the top surface of the support member 5 is an inclined surface.

[0032] The feeding trough 3 is arranged on the feeding station and is used to place the mandrel to be processed. Figure 2 The loading trough 3 includes a trough body 33, a baffle plate 32, a material ejection block 35 and a material placement seat 36. The material ejection plate 32 is a plate-like structure, which is vertically arranged and parallel to the length direction of the processing area. The trough body 33 is tilted and fixed at the rear end of the material ejection plate 32, and is used to place the mandrel to be processed in the trough body. A strip hole is opened at the lower end of the trough body 33, and the lower end is the lower end of the inclined end, that is, the front end. The material ejection block 35 is vertically slid in the strip hole, and the top surface of the material ejection block 35 is an inclined surface, which can form a V-shaped trough structure with the rear end surface of the material ejection plate 32. At the same time, a material ejection cylinder 34 is arranged at the lower end of the material ejection block, and the material ejection cylinder is used to drive the material ejection block to move up and down, thereby lifting the mandrel in the trough structure upward; 2 is provided with a strip-shaped discharge hole 320, which is located above the trough body and can accommodate the core shaft to pass through, that is, when the top surface of the top material block rises to the height of the discharge hole, the front end of the core shaft loses its supporting force, and under the action of the inclined surface, the core shaft passes through the discharge hole and enters the front end of the baffle plate; and the material placement seat 36 is arranged at the front end of the baffle plate 32, which is located at the lower end of the discharge port and can receive the core shaft discharged from the discharge hole. A material placement groove is provided on the top surface of the material placement seat 36, and the cross-section of the material placement groove is V-shaped, which is used to place the core shaft horizontally. In this embodiment, the material placement groove is coaxial with the processing area; in this embodiment, side plates are provided on both sides of the trough body 33, and the distance between the two side plates is adjustable. Specifically, it is adjusted by bolts, so that core shafts of different lengths can be placed.

[0033] The material unloading trough is arranged on the material unloading station and is used for placing the mandrel that has been processed, and comprises a trough body that is arranged obliquely.

[0034] The material moving mechanism 4 is installed at the upper end of the frame 1, and is used to move the core shaft in the loading trough 3 to the processing area, or to move the core shaft in the processing area to the unloading trough; the material moving mechanism includes a horizontal slide 42 horizontally slidably mounted on the top of the frame, and the sliding direction of the horizontal slide is parallel to the length direction of the processing area. At the same time, a lifting bracket 45 is provided on the horizontal slide 42, and a clamping claw 47 is provided on the lifting bracket 45. The clamping claw 47 is used to clamp the core shaft, and the clamping direction of the clamping claw 47 is parallel to the axis of the processing area; the clamping claw 47 is divided into two groups, and the distance between the two groups of clamping claws is equal to the distance between two adjacent workstations, that is, the loading station, the processing station and the unloading station are arranged at equal distances, and the distance is equal to the spacing between two adjacent groups of clamping claws. It can realize discharging while feeding and synchronous operation, which greatly improves production efficiency.

[0035] See also Figure 4 and Figure 5 The frame 1 includes a base 11 and a crossbeam 13. The crossbeam is installed directly above the base 11 through the longitudinal beams 12 at both ends to form a door-shaped structure. A guide rod 14 is provided on the crossbeam 13. The guide rod is horizontally arranged and parallel to the length direction of the processing area. The horizontal slide 42 is horizontally slidably mounted on the guide rod 14. At the same time, a horizontal cylinder is provided on the crossbeam 13. The output shaft of the horizontal cylinder is connected to the horizontal slide 42 to drive the horizontal slide to move horizontally, thereby switching the clamp between various workstations; a vertical guide rod 43 is provided on the horizontal slide 42. The vertical guide rod 43 is perpendicular to the horizontal plane. The lifting bracket 45 is vertically slidably mounted on the vertical guide rod 43. In this embodiment, the lifting bracket is a strip-shaped plate-like structure, and its length direction is parallel to the length direction of the processing area. At the same time, a vertical cylinder 44 is provided on the horizontal slide 42. The cylinder 44 is vertically arranged, and its output shaft is connected to the lifting bracket 45, which is used to drive the lifting bracket to rise or fall, thereby realizing lifting; a clamping cylinder 46 is provided at both ends of the lifting bracket 45, that is, two clamping cylinders are provided, and the distance between the two clamping cylinders is equal to the distance between two adjacent workstations, and a clamping claw 47 is provided at the output end of the clamping cylinder, and the clamping cylinder has two clamping fingers, and the clamping claw is installed on the clamping finger; in order to improve the stability and accuracy of clamping, in this embodiment, a clamping block 48 is detachably installed on the clamping claw, and a sleeve hole is opened on the clamping block 48, which can accommodate the end of the core shaft to be inserted, thereby realizing fast and stable clamping, while improving accuracy and movement reliability, and avoiding falling off; in this embodiment, a chamfer is provided at the end of the sleeve hole, which can realize fast centering and avoid errors. The above-mentioned clamping block is made of plastic to avoid clamping or scratching the core shaft.

[0036] In order to improve the processing accuracy of the core shaft and avoid its axial slippage, a positioning mechanism can be set at both ends of the processing area. The positioning mechanism includes a support rod arranged at both ends of the processing area, and a material rod is arranged on the support rod. The material rod is driven by a cylinder and can achieve axial positioning of the core shaft through telescoping, thereby improving the overall operation accuracy and reliability.

[0037] The utility model provides a mandrel cylindrical grinding device with three working stations, which can realize automatic loading, grinding and unloading of the mandrel, greatly reduces the labor intensity of workers, has high processing efficiency and good safety, and is suitable for batch processing; an automatic feeding trough is provided, which can realize automatic loading of the mandrel, has a compact structure and stable loading; a double-claw structure is provided, which can realize synchronous loading and unloading, reduces the material shifting time and the idle running time period, and greatly improves the production efficiency; a sleeve hole structure is provided, which can improve the material clamping stability, avoid falling off, and ensure stable and reliable material clamping; a chamfer is provided in the sleeve hole, which can realize automatic centering, realize automatic compensation for errors, improve the material clamping effect, and reduce the equipment manufacturing cost; the utility model provides a mandrel cylindrical grinding device with a compact structure, which can realize automatic grinding, has high processing accuracy and efficiency, and is safe and reliable to use.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A spindle cylindrical grinding device, characterized in that: include: A frame, serving as a support and mounting carrier, on which a loading station, a processing station and an unloading station are sequentially arranged along a straight line; A grinding wheel assembly is arranged on the processing station, and comprises two grinding wheel bodies arranged in parallel, with a gap between the two grinding wheel bodies to form a processing area; A support member is installed directly below the processing area and is used to support the mandrel located in the processing area, and the top surface of the support member is an inclined surface; A loading trough, arranged on the loading station, for placing the mandrel to be processed; A material unloading trough, arranged on the unloading station, for placing the processed mandrel; A material moving mechanism is installed at the upper end of the frame, and is used to move the core shaft in the upper material trough to the processing area, or to move the core shaft in the processing area to the lower material trough; the material moving mechanism includes a horizontal slide seat horizontally slidably mounted above the frame, a lifting bracket is provided on the horizontal slide seat, and a clamping claw for clamping the core shaft is provided on the lifting bracket, and the clamping direction of the clamping claw is parallel to the axis of the processing area.

2. The spindle cylindrical grinding device according to claim 1, characterized in that: The clamping jaws are divided into two groups, and the loading station, the processing station and the unloading station are arranged at equal distances, and the distance is equal to the spacing between two adjacent groups of clamping jaws.

3. The spindle cylindrical grinding device according to claim 1, characterized in that: The frame includes a base and a crossbeam installed directly above the base through a longitudinal beam, a guide rod is horizontally arranged on the crossbeam, the horizontal slide is horizontally slidably mounted on the guide rod, and a horizontal cylinder connected to the horizontal slide and used for driving the horizontal slide to slide is arranged on the crossbeam.

4. The spindle cylindrical grinding device according to claim 1, characterized in that: The horizontal slide is provided with a vertical guide rod perpendicular to the horizontal plane, the lifting bracket is vertically slidably mounted on the vertical guide rod, and the horizontal slide is provided with a vertical cylinder connected to the lifting bracket and used to drive it to rise or fall; clamping cylinders are provided at both ends of the lifting bracket, and the clamping claws are arranged at the output end of the clamping cylinder.

5. The spindle cylindrical grinding device according to claim 1, characterized in that: A clamping block is detachably mounted on the clamping jaw, and a sleeve hole capable of accommodating the end of the core shaft to be inserted is provided on the clamping block.

6. The spindle cylindrical grinding device according to claim 5, characterized in that: The end of the sleeve hole is provided with a chamfer.

7. The spindle cylindrical grinding device according to claim 1, characterized in that: The loading trough includes a trough body, a material baffle plate, a material ejecting block and a material placement seat. The material baffle plate is vertically arranged, and the trough body is obliquely fixed at the rear end of the material baffle plate. A strip hole is provided at the lower end of the trough body, and the material ejecting block is vertically slidable in the strip hole. The top surface of the material ejecting block is an inclined surface. A strip-shaped material discharge hole for accommodating the core shaft to pass through is provided on the material baffle plate, and the material placement seat is arranged at the front end of the material baffle plate. A material placement trough for horizontally placing the core shaft is provided on the top surface of the material placement seat.

8. The spindle cylindrical grinding device according to claim 7, characterized in that: The material placing groove is a V-shaped groove.

9. The spindle cylindrical grinding device according to claim 7, characterized in that: The material placing trough is coaxial with the processing area.

10. The spindle cylindrical grinding device according to claim 7, characterized in that: Side plates are arranged on both sides of the trough body, and the distance between the two side plates is adjustable.

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