Gear grinding device

Abstract

The utility model relates to the technical field of gear grinding equipment, in particular to a gear grinding device. Comprising a box body, a bottom support, a gear motor, a circular ring, a top support, a telescopic adjusting grinding wheel and a positioning clamping mechanism, after a gear to be subjected to tooth grinding is placed outside a positioning protrusion through a shaft hole of the gear, a rotating piece is rotated, and due to the fact that the end, located in a mounting protrusion, of the rotating piece is in mechanical transmission with a transmission bevel gear, a driving shaft is driven to rotate; according to the gear positioning device, the rotating disc is driven to rotate in the positioning protrusion, a toothed plate arranged on each sliding abutting block is meshed with a plane thread on the rotating disc, so that the four sliding abutting blocks are driven to synchronously slide on the positioning protrusion, and the four sliding abutting blocks abut against the inner wall of a shaft hole of a gear; by the adoption of the structure, gear grinding treatment can be carried out on gears with shaft holes of different sizes, and the gear grinding device is higher in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of gear grinding equipment, in particular to a gear grinding device. Background Art

[0002] During the processing of metal gears for ships, the gears need to be ground to eliminate deformation after heat treatment and improve gear accuracy. However, in the prior art, when grinding the gears, the gears need to be fixed first. The fixing method is usually to fix them with bolts, nuts, etc., and more operations are often required when installing and fixing the gears. This results in a longer time for gear installation and fixation, and poor work efficiency.

[0003] To solve the above problems, the existing open patent (CN214769451U) discloses a novel gear grinding device, wherein the gear clamping and fixing structure comprises a lower bracket fixedly assembled on the middle part of the right wall of the inner cavity of the shell, an upper bracket fixedly assembled on the upper end of the right side of the inner cavity of the shell, a disassembled gear fixing device fixedly assembled on the upper surface of the lower bracket, a gear fitting the circular ring is sleeved on the outer side of the output shaft of the reduction motor, a mounting plate is fixedly assembled on the bottom surface of the upper bracket, a hydraulic rod is rotatably assembled on the bottom surface of the mounting plate through a bearing, a pressure plate is fixedly assembled on the lower end of the hydraulic rod, and pressure blocks are fixedly assembled on the left and right sides of the bottom surface of the pressure plate; the gear is fixed by the disassembled gear fixing device, the gear is squeezed and clamped by the hydraulic rod in cooperation with the pressure block, the gear position is limited, the gear is driven to rotate by the reduction motor driving the circular ring, which is convenient for grinding and ensures the stability of the gear fixation during grinding, and the gear is fixed by clamping the hydraulic rod, which is more convenient for disassembly and installation.

[0004] However, in actual use, the existing gear grinding device needs to sleeve the gear on the outside of the ring, so that the gear grinding device can only process the gear whose gear shaft hole matches the ring, and has poor applicability. Utility Model Content

[0005] The utility model aims to provide a gear grinding device, aiming to solve the technical problem that in the actual use of the existing gear grinding device, the gear needs to be sleeved on the outside of the ring, resulting in the gear grinding device being able to only process the gear whose gear shaft hole matches the ring and has poor applicability.

[0006] To achieve the above-mentioned purpose, the utility model provides a gear grinding device, comprising a box, a partition, a reduction motor, a ring, a telescopic adjustment grinding wheel and a positioning clamping mechanism, wherein the partition is arranged inside the box, and the partition divides the box into a grinding area and a waste collection area, the reduction motor is arranged at the bottom of one side inside the grinding area, the ring is arranged at the output end of the reduction motor, the telescopic adjustment grinding wheel is also arranged inside the grinding area, and the output end of the telescopic adjustment grinding wheel corresponds to the ring;

[0007] The positioning and clamping mechanism comprises a mounting protrusion, a placement plate, a positioning protrusion, a rotating member, a driving shaft, a rotating disk, four sliding abutting blocks and four tooth plates, the mounting protrusion is arranged at the center of the circular ring, the placement plate is arranged at one end of the mounting protrusion away from the circular ring, the positioning protrusion is arranged at the center of the placement plate, the mounting protrusion and the positioning protrusion are both arranged in a hollow structure, a mounting bearing is arranged at the inner top of the mounting protrusion, the driving shaft is arranged inside the mounting bearing, a transmission bevel gear is arranged at the bottom of the driving shaft, the rotating member is rotatably arranged on the side wall of the mounting protrusion, one end of the rotating member located inside the mounting protrusion is mechanically transmitted with the transmission bevel gear, the top end of the driving shaft passes through the inside of the positioning protrusion, the rotating disk is arranged at the top of the driving shaft, the upper surface of the rotating disk is arranged with a plane thread, the four sliding abutting blocks are evenly and slidably arranged on the positioning protrusion, the bottom of each of the sliding abutting blocks is arranged with the tooth plate, and the tooth portion of the tooth plate is meshed with the plane thread.

[0008] Wherein, the rotating part includes a rotating shaft, a handwheel and a driving bevel gear. The rotating shaft is rotatably connected to the side wall of the mounting protrusion, the handwheel is provided at one end of the rotating shaft located outside the mounting protrusion, and the driving bevel gear is provided at one end of the rotating shaft located inside the mounting protrusion, and the driving bevel gear is meshed with the transmission bevel gear.

[0009] Wherein, two limiting rings are arranged outside the rotating shaft, and the two limiting rings are respectively located on the inner and outer sides of the side wall of the mounting protrusion.

[0010] Wherein, mounting rings are arranged on both sides of the hand wheel, the mounting rings are detachably connected to the outer side wall of the rotating shaft, and anti-slip grooves are arranged on the outer side wall of the hand wheel.

[0011] Wherein, the gear grinding device also includes an auxiliary support member, and the auxiliary support member is also arranged inside the mounting protrusion, one end of the auxiliary support member is detachably connected to the inner wall of the mounting protrusion, and the other end of the auxiliary support member is arranged on the outside of the drive shaft.

[0012] Wherein, the auxiliary support member includes a fixing plate, a support block and a support ring, the fixing plate is arranged at one end of the support block, the support ring is arranged at the other end of the support block, the support ring is arranged on the outside of the drive shaft, and the fixing plate is detachably connected to the inner side wall of the mounting protrusion.

[0013] The utility model discloses a gear grinding device, after placing the gear to be ground on the outside of the positioning protrusion through the shaft hole of the gear, the rotating member is rotated, and the end of the rotating member located inside the mounting protrusion is mechanically transmitted with the transmission bevel gear, thereby driving the driving shaft to rotate, so that the rotating disk rotates inside the positioning protrusion, and since the toothed plate provided on each of the sliding abutment blocks is meshed with the planar thread on the rotating disk, the four sliding abutment blocks are driven to slide synchronously on the positioning protrusion, so that the four sliding abutment blocks abut against the inner wall of the shaft hole of the gear, thereby firmly fixing the gear to be ground on the placement plate, and the above structure can be used to grind gears with shaft holes of different sizes, and the applicability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of a gear grinding device according to the first embodiment of the utility model.

[0016] Figure 2 It is a partial structural schematic diagram of a gear grinding device according to the first embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the internal structure of the mounting protrusion and the positioning protrusion in the first embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the internal structure of the mounting protrusion and the positioning protrusion in the second embodiment of the utility model.

[0019] 101-box, 102-partition, 103-reduction motor, 104-ring, 105-telescopic adjustment grinding wheel, 106-installation protrusion, 107-placing plate, 108-positioning protrusion, 109-rotating member, 110-drive shaft, 111-rotating disk, 112-sliding support block, 113-tooth plate, 114-rotating shaft, 115-handwheel, 116-drive bevel gear, 117-grinding area, 118-waste collection area, 119-installation bearing, 120-transmission bevel gear, 121-plane thread, 122-limiting ring, 123-installation ring, 124-anti-slip pattern, 201-auxiliary support, 202-fixing plate, 203-support block, 204-support ring. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 3 ,in Figure 1 is a schematic structural diagram of a gear grinding device according to a first embodiment, Figure 2 is a partial structural schematic diagram of the gear grinding device of the first embodiment, Figure 3 It is a schematic diagram of the internal structure of the mounting protrusion and the positioning protrusion in the first embodiment.

[0023] The utility model provides a gear grinding device: including a box body 101, a partition 102, a reduction motor 103, a ring 104, a telescopic adjustment grinding wheel 105 and a positioning clamping mechanism, wherein the positioning clamping mechanism includes a mounting protrusion 106, a placement plate 107, a positioning protrusion 108, a rotating member 109, a driving shaft 110, a rotating disk 111, four sliding abutting blocks 112 and four tooth plates 113, and the rotating member 109 includes a rotating shaft 114, a hand wheel 115 and a driving bevel gear 116. The above-mentioned scheme solves the problem that the existing gear grinding device needs to be sleeved on the outside of the ring 104 during actual use, resulting in the gear grinding device being only able to process the gear whose gear shaft hole matches the ring 104, and having poor applicability. It can be understood that the above-mentioned scheme can be used in the structure of the grinding device for metal gears for ships.

[0024] According to this specific embodiment, the partition 102 is provided inside the box 101, and the partition 102 divides the box 101 into a grinding area 117 and a waste collection area 118. The reduction motor 103 is provided at the bottom of one side inside the grinding area 117, and the ring 104 is provided at the output end of the reduction motor 103. The telescopic adjustment grinding wheel 105 is also provided inside the grinding area 117, and the output end of the telescopic adjustment grinding wheel 105 corresponds to the ring 104. After the gear to be ground is placed on the ring 104 and fixed, the gear is ground by the telescopic adjustment grinding wheel 105. The telescopic adjustment grinding wheel 105 belongs to the prior art and is not described in detail. When the telescopic adjustment grinding wheel 105 is used to grind the gear, the reduction motor 103 is started, thereby driving the gear on the ring 104 to rotate, thereby completing the comprehensive grinding of the gear.

[0025] The center of the circular ring 104 is provided with the mounting protrusion 106, the end of the mounting protrusion 106 away from the circular ring 104 is provided with the placement plate 107, the center of the placement plate 107 is provided with the positioning protrusion 108, the mounting protrusion 106 and the positioning protrusion 108 are both hollow structures, the inner top of the mounting protrusion 106 is provided with a mounting bearing 119, the driving shaft 110 is provided inside the mounting bearing 119, and the bottom of the driving shaft 110 is provided with The transmission bevel gear 120, the rotating member 109 is rotatably arranged on the side wall of the mounting protrusion 106, and one end of the rotating member 109 is located inside the mounting protrusion 106 and is mechanically transmitted with the transmission bevel gear 120, the top end of the driving shaft 110 penetrates into the interior of the positioning protrusion 108, the top end of the driving shaft 110 is provided with the rotating disk 111, the upper surface of the rotating disk 111 is provided with a plane thread 121, and the positioning protrusion 108 is evenly slidably provided with four sliding abutment blocks 112, each of the sliding abutment blocks 112 is provided with a tooth plate 113 at the bottom, the tooth portion of the tooth plate 113 meshes with the plane thread 121, and after the gear to be ground is placed outside the positioning protrusion 108 through the shaft hole of the gear, the rotating member 109 is rotated. Since one end of the rotating member 109 located inside the mounting protrusion 106 is mechanically transmitted with the transmission bevel gear 120, the driving shaft 110 is driven to rotate, so that the rotating disk 111 is located on the positioning protrusion 108. 8 rotates internally, since the tooth plate 113 provided on each of the sliding abutting blocks 112 is meshed with the planar thread 121 on the rotating disk 111, the four sliding abutting blocks 112 are driven to slide synchronously on the positioning protrusion 108, so that the four sliding abutting blocks 112 abut against the inner wall of the shaft hole of the gear, thereby firmly fixing the gear to be ground on the placement plate 107. The above structure can be used to grind gears with shaft holes of different sizes, and the applicability is stronger.

[0026] Secondly, the rotating shaft 114 is rotatably connected to the side wall of the mounting protrusion 106, and the handwheel 115 is provided at one end of the rotating shaft 114 located outside the mounting protrusion 106, and the driving bevel gear 116 is provided at one end of the rotating shaft 114 located inside the mounting protrusion 106. The driving bevel gear 116 is meshed with the transmission bevel gear 120. By rotating the handwheel 115, the driving bevel gear 116 is driven to rotate through the rotating shaft 114. Since the driving bevel gear 116 is meshed with the transmission bevel gear 120, the driving shaft 110 is driven to rotate.

[0027] At the same time, two limit rings 122 are arranged on the outside of the rotating shaft 114, and the two limit rings 122 are respectively located on the inner and outer sides of the side wall of the mounting protrusion 106. Through the setting of the two limit rings 122, the structure of the rotating shaft 114 is more stable when it rotates on the side wall of the mounting protrusion 106.

[0028] In addition, mounting rings 123 are provided on both sides of the handwheel 115, and the mounting rings 123 are detachably connected to the outer side wall of the rotating shaft 114. Anti-slip grooves 124 are provided on the outer side wall of the handwheel 115. The mounting rings 123 are fixed to the outer side wall of the rotating shaft 114 by screws to complete the installation of the handwheel 115. The provision of the anti-slip grooves 124 makes it more convenient to operate when rotating the handwheel 115.

[0029] When using a gear grinding device of this embodiment, the gear to be ground is placed outside the positioning protrusion 108 through the shaft hole of the gear, and then the rotating member 109 is rotated. Since one end of the rotating member 109 located inside the mounting protrusion 106 is mechanically transmitted with the transmission bevel gear 120, the driving shaft 110 is driven to rotate, so that the rotating disk 111 rotates inside the positioning protrusion 108. Since the toothed plates 113 provided on each of the sliding abutting blocks 112 are meshed with the plane threads 121 on the rotating disk 111, the four The sliding abutment blocks 112 slide synchronously on the positioning protrusions 108, so that the four sliding abutment blocks 112 abut against the inner wall of the shaft hole of the gear, thereby firmly fixing the gear to be ground on the placement plate 107. With the above structure, gears with shaft holes of different sizes can be ground, which is more applicable. After the gear is firmly fixed, the gear is ground by the telescopic adjustment grinding wheel 105. During the grinding process, the reduction motor 103 is started to drive the gear on the ring 104 to rotate, thereby completing the comprehensive grinding of the gear.

[0030] Second embodiment:

[0031] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a schematic diagram of the internal structure of the mounting protrusion and the positioning protrusion in the second embodiment.

[0032] The utility model provides a gear grinding device which further comprises an auxiliary support member 201 . The auxiliary support member 201 comprises a fixing plate 202 , a support block 203 and a support ring 204 .

[0033] According to this specific embodiment, the auxiliary support member 201 is also provided inside the mounting protrusion 106, and one end of the auxiliary support member 201 is detachably connected to the inner wall of the mounting protrusion 106, and the other end of the auxiliary support member 201 is provided with the outside of the driving shaft 110. The auxiliary support member 201 is used to auxiliary support the driving shaft 110, so that the structure of the driving shaft 110 is more stable when it rotates.

[0034] Among them, the fixing plate 202 is provided at one end of the support block 203, and the support ring 204 is provided at the other end of the support block 203. After the support ring 204 is set on the outside of the driving shaft 110, the fixing plate 202 is fixed to the inner wall of the mounting protrusion 106 by screws, thereby completing the installation of the auxiliary support member 201.

[0035] When using a gear grinding device of this embodiment, after the support ring 204 is set on the outside of the drive shaft 110, the fixing plate 202 is fixed to the inner wall of the mounting protrusion 106 by screws, thereby completing the installation of the auxiliary support member 201. The auxiliary support member 201 is used to auxiliary support the drive shaft 110, so that the structure of the drive shaft 110 is more stable when it rotates.

[0036] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A gear grinding device, comprising a box, a partition, a reduction motor, a ring and a telescopic adjustment grinding wheel, wherein the partition is arranged inside the box, and the partition divides the box into a grinding area and a waste collection area, the reduction motor is arranged at the bottom of one side inside the grinding area, the ring is arranged at the output end of the reduction motor, the telescopic adjustment grinding wheel is also arranged inside the grinding area, and the output end of the telescopic adjustment grinding wheel corresponds to the ring, characterized in that: Also includes a positioning clamping mechanism; The positioning and clamping mechanism comprises a mounting protrusion, a placement plate, a positioning protrusion, a rotating member, a driving shaft, a rotating disk, four sliding abutting blocks and four tooth plates, the mounting protrusion is arranged at the center of the circular ring, the placement plate is arranged at one end of the mounting protrusion away from the circular ring, the positioning protrusion is arranged at the center of the placement plate, the mounting protrusion and the positioning protrusion are both arranged in a hollow structure, a mounting bearing is arranged at the inner top of the mounting protrusion, the driving shaft is arranged inside the mounting bearing, a transmission bevel gear is arranged at the bottom of the driving shaft, the rotating member is rotatably arranged on the side wall of the mounting protrusion, one end of the rotating member located inside the mounting protrusion is mechanically transmitted with the transmission bevel gear, the top end of the driving shaft passes through the inside of the positioning protrusion, the rotating disk is arranged at the top of the driving shaft, the upper surface of the rotating disk is arranged with a plane thread, the four sliding abutting blocks are evenly and slidably arranged on the positioning protrusion, the bottom of each of the sliding abutting blocks is arranged with the tooth plate, and the tooth portion of the tooth plate is meshed with the plane thread.

2. The gear grinding device according to claim 1, characterized in that: The rotating part includes a rotating shaft, a handwheel and a driving bevel gear. The rotating shaft is rotatably connected to the side wall of the mounting protrusion. The handwheel is provided at one end of the rotating shaft located outside the mounting protrusion, and the driving bevel gear is provided at one end of the rotating shaft located inside the mounting protrusion. The driving bevel gear is meshed with the transmission bevel gear.

3. The gear grinding device according to claim 2, characterized in that: Two limiting rings are arranged outside the rotating shaft, and the two limiting rings are respectively located at the inner and outer sides of the side wall of the mounting protrusion.

4. The gear grinding device according to claim 3, characterized in that: Mounting rings are arranged on both sides of the hand wheel, and the mounting rings are detachably connected to the outer side wall of the rotating shaft. Anti-skid patterns are arranged on the outer side wall of the hand wheel.

5. The gear grinding device according to claim 1, characterized in that: The gear grinding device also includes an auxiliary support member, which is also arranged inside the mounting protrusion. One end of the auxiliary support member is detachably connected to the inner wall of the mounting protrusion, and the other end of the auxiliary support member is arranged on the outside of the drive shaft.

6. The gear grinding device according to claim 5, characterized in that: The auxiliary support member includes a fixing plate, a supporting block and a supporting ring. The fixing plate is provided at one end of the supporting block, and the supporting ring is provided at the other end of the supporting block. The supporting ring is provided on the outside of the driving shaft, and the fixing plate is detachably connected to the inner side wall of the mounting protrusion.

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