Gear end face grinding equipment

Abstract

The utility model relates to the technical field of gear machining equipment, in particular to gear end face grinding equipment. Comprising a working bottom plate, four sliding rods, a sliding plate, a top plate, an electric push rod, a driving motor and a gear fixing mechanism, the gear fixing mechanism comprises a driving assembly, a transmission shaft, a rotating disc and four sliding abutting blocks, after a gear is placed outside a positioning protrusion, the driving assembly is started, the rotating shaft is driven by a transmission bevel gear to rotate in the placing protrusion, and the gear is fixed; a toothed plate on each sliding abutting block is meshed with a plane thread, so that the four sliding abutting blocks are driven to synchronously slide on a placement protrusion, the four sliding abutting blocks abut against the outer side wall of a gear, and then the gear is firmly fixed to the placement protrusion. And gears of different specifications can be firmly fixed on the placing bulges, so that the applicability is higher.

Description

Technical Field

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

[0002] In the gear processing technology, the gear end face needs to be ground, but now it is done manually in factories. However, manual operation is inefficient and costly, and is not suitable for automated production in factories.

[0003] To solve the above problems, the existing public patent (CN207386667U) discloses a gear end face grinding device of a gear processing equipment, including a lower die for placing a gear, a grinding mechanism for grinding the gear end face is arranged directly above the lower die, the grinding mechanism includes a rotating die head, a first driving mechanism for driving the rotating die head to rotate and a second driving mechanism for driving the rotating die head to move up and down, and a milling cutter for grinding the gear end face is arranged at the bottom of the rotating die head. The technical solution can automatically grind the gear end face without manual operation, thereby improving production efficiency and reducing labor costs.

[0004] However, the structure of the lower die for fixing the gear in the existing gear end surface grinding device is relatively simple, and it cannot fix gears of different specifications, and has poor applicability. Utility Model Content

[0005] The utility model aims to provide a gear end surface grinding device, aiming to solve the technical problems that the structure of the lower die for fixing the gear in the existing gear end surface grinding device is relatively simple, gears of different specifications cannot be fixed, and the applicability is poor.

[0006] To achieve the above-mentioned purpose, the utility model provides a gear end surface grinding device, comprising a working base plate, four sliding rods, a sliding plate, a top plate, an electric push rod, a driving motor and a gear fixing mechanism, wherein a placement protrusion is arranged on the upper surface of the working base plate, the sliding rods are arranged at the four top corners of the top plate, the top plate is fixedly arranged between the ends of the four sliding rods away from the working base plate, the sliding plate is also slidably arranged between the four sliding plates, the driving motor is arranged at the top end of the sliding plate, a milling cutter is arranged at the output end of the driving motor through a rotating die head, the milling cutter is located above the placement protrusion, the electric push rod is installed on the top plate, and the output end of the electric push rod is connected to the sliding plate;

[0007] The gear fixing mechanism includes a driving assembly, a transmission shaft, a rotating disk and four sliding abutment blocks. A positioning protrusion is provided on the upper surface of the placement protrusion, the interior of the placement protrusion is a hollow structure, a rotating bearing is provided at the inner bottom of the placement protrusion, the transmission shaft is embedded in the interior of the rotating bearing, the rotating disk is provided at the end of the transmission shaft away from the rotating bearing, a plane thread is provided on the upper surface of the rotating disk, four sliding abutment blocks are evenly slidably provided on the placement protrusion, a tooth plate is provided at the bottom of each sliding abutment block, the tooth portion of the tooth plate is meshed with the plane thread, a transmission bevel gear is provided on the outside of the transmission shaft, the driving assembly is also provided on the upper surface of the working base plate, and the output end of the driving assembly is mechanically transmitted with the transmission bevel gear.

[0008] Wherein, the driving assembly includes a servo motor, a gear reduction box and an output bevel gear, the servo motor is installed on the upper surface of the working base plate, the output end of the servo motor is provided with the gear reduction box, the output end of the gear reduction box is provided with the output bevel gear, the output bevel gear is located inside the placement protrusion, and the output bevel gear is meshed with the transmission bevel gear.

[0009] Wherein, a flexible pad is arranged on a side of each sliding support block close to the positioning protrusion, and an anti-slip pattern is arranged on a side of each flexible pad close to the positioning protrusion.

[0010] Wherein, a limiting ring is arranged on the outer side wall of the rotating disk, a limiting groove is arranged on the inner side wall where the protrusion is placed, and the limiting ring is located inside the limiting groove.

[0011] Wherein, the gear end surface grinding device also includes an auxiliary support member, and the auxiliary support member is arranged in the middle part of the transmission shaft, and the end of the auxiliary support member away from the transmission shaft is detachably connected to the inner side wall where the protrusion is placed.

[0012] Wherein, the auxiliary support member includes a support ring, two connecting rods and two fixed blocks. The support ring is arranged on the outside of the transmission shaft, and the connecting rods are arranged on both sides of the outside of the support ring. The fixing block is arranged at one end of each connecting rod away from the support ring, and the fixing block is detachably connected to the inner side wall of the placement protrusion.

[0013] The utility model provides a gear end surface grinding device, after placing the gear to be ground on the outside of the positioning protrusion through the axial hole of the gear, the driving component is started, and since the output end of the driving component is meshed with the transmission bevel gear, the rotating shaft is driven to rotate inside the placement protrusion, and then the rotating disk is driven to rotate, and since the tooth plate on each sliding abutment block is meshed with the plane thread, the four sliding abutment blocks are driven to slide synchronously on the placement protrusion, so that the outer side wall of the gear is abutted by the four sliding abutment blocks, and the gear is firmly fixed on the placement protrusion. By adopting the above structure, gears of different specifications can be firmly fixed on the placement protrusion, 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 end surface grinding device according to the first embodiment of the utility model.

[0016] Figure 2 The utility model provides Figure 1 A magnified view of the local structure at A.

[0017] Figure 3 It is a cross-sectional view of the internal structure of the first embodiment of the utility model where the protrusion is placed.

[0018] Figure 4 It is a schematic diagram of the internal structure of the first embodiment of the utility model where the protrusion is placed.

[0019] Figure 5 It is a schematic diagram of the internal structure of the second embodiment of the utility model where the protrusion is placed.

[0020] 101-working base plate, 102-sliding rod, 103-sliding plate, 104-top plate, 105-electric push rod, 106-driving motor, 107-driving assembly, 108-transmission shaft, 109-rotating disk, 110-sliding abutment block, 111-servo motor, 112-gear reduction box, 113-output bevel gear, 114-placing protrusion, 115-rotating die head, 116-milling cutter, 117-positioning protrusion, 118-rotating bearing, 119-plane thread, 120-tooth plate, 121-transmission bevel gear, 122-flexible pad, 123-anti-slip pattern, 124-limiting ring, 125-limiting groove, 201-auxiliary support, 202-support ring, 203-connecting rod, 204-fixing block. DETAILED DESCRIPTION

[0021] 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.

[0022] First embodiment:

[0023] See also Figures 1 to 4 ,in Figure 1 is a schematic structural diagram of a gear end surface grinding device according to a first embodiment, Figure 2 yes Figure 1 A magnified view of the local structure at A. Figure 3 is a cross-sectional view of the internal structure of the first embodiment where the protrusion is placed, Figure 4 It is a schematic diagram of the internal structure of the first embodiment where the protrusions are placed.

[0024] The utility model provides a gear end surface grinding device: including a working base plate 101, four sliding rods 102, a sliding plate 103, a top plate 104, an electric push rod 105, a driving motor 106 and a gear fixing mechanism, wherein the gear fixing mechanism includes a driving assembly 107, a transmission shaft 108, a rotating disk 109 and four sliding abutting blocks 110, and the driving assembly 107 includes a servo motor 111, a gear reduction box 112 and an output bevel gear 113. The above-mentioned scheme solves the problem that the structure of the lower die for fixing the gear in the existing gear end surface grinding device is relatively simple, cannot fix gears of different specifications, and has poor applicability. It can be understood that the above-mentioned scheme can be used in the structure of the gear end surface grinding device of the gear processing equipment.

[0025] According to this specific embodiment, the upper surface of the working bottom plate 101 is provided with a placement protrusion 114, the sliding rods 102 are provided at the four top corners of the top plate 104, the top plate 104 is fixedly provided between the ends of the four sliding rods 102 away from the working bottom plate 101, and the sliding plate 103 is also slidably provided between the four sliding plates 103, the top of the sliding plate 103 is provided with the driving motor 106, and the output end of the driving motor 106 is provided with a milling cutter 116 through a rotating die head 115, and the milling cutter 116 is located at the placement The electric push rod 105 is installed on the top plate 104 above the placement protrusion 114, and the output end of the electric push rod 105 is connected to the sliding plate 103. The gear to be ground is placed on the placement protrusion 114, and the electric push rod 105 is started to drive the sliding plate 103 to slide on the sliding rod 102, so that the milling cutter 116 fits the end face of the gear, and then the driving motor 106 is started to drive the milling cutter 116 to grind the end face of the gear, thereby automatically completing the grinding of the gear end face, improving production efficiency, and reducing labor costs.

[0026] Among them, a positioning protrusion 117 is provided on the upper surface of the placement protrusion 114, the interior of the placement protrusion 114 is a hollow structure, a rotating bearing 118 is provided at the inner bottom of the placement protrusion 114, the transmission shaft 108 is embedded in the rotating bearing 118, and the rotating disk 109 is provided at the end of the transmission shaft 108 away from the rotating bearing 118, and a plane thread 119 is provided on the upper surface of the rotating disk 109. Four sliding abutment blocks 110 are evenly and slidably provided on the placement protrusion 114, and a tooth plate 120 is provided at the bottom of each sliding abutment block 110, and the tooth portion of the tooth plate 120 is meshed with the plane thread 119. A transmission bevel gear 121 is provided on the outside of the transmission shaft 108, and the upper surface of the working base plate 101 is also provided with the driving component 107. The output end of the drive assembly 107 is mechanically transmitted with the transmission bevel gear 121. After the gear to be ground is placed on the outside of the positioning protrusion 117 through the axial hole of the gear, the driving component 107 is started. Since the output end of the driving component 107 is meshed with the transmission bevel gear 121, the rotating shaft is driven to rotate inside the placement protrusion 114, and then the rotating disk 109 is driven to rotate. Since the tooth plate 120 on each of the sliding abutment blocks 110 is meshed with the plane thread 119, the four sliding abutment blocks 110 are driven to slide synchronously on the placement protrusion 114, so that the outer side wall of the gear is abutted by the four sliding abutment blocks 110, and the gear is firmly fixed on the placement protrusion 114. With the above structure, gears of different specifications can be firmly fixed on the placement protrusion 114, which has stronger applicability.

[0027] Secondly, the servo motor 111 is installed on the upper surface of the working base plate 101, and the output end of the servo motor 111 is provided with the gear reduction box 112, and the output end of the gear reduction box 112 is provided with the output bevel gear 113, and the output bevel gear 113 is located inside the placement protrusion 114, and the output bevel gear 113 is meshed with the transmission bevel gear 121. The servo motor 111 is started, and the output speed is slowed down by the gear reduction box 112, so as to drive the output bevel gear 113 to rotate. Since the output bevel gear 113 is meshed with the transmission bevel gear 121, the transmission shaft 108 is driven to rotate.

[0028] At the same time, each of the sliding abutment blocks 110 is provided with a flexible pad 122 on one side close to the positioning protrusion 117, and each of the flexible pads 122 is provided with an anti-slip pattern 123 on one side close to the positioning protrusion 117. The provision of the flexible pads 122 can avoid damage to the outer wall of the gear, and the provision of the anti-slip pattern 123 can achieve a better fixing effect on the gear.

[0029] In addition, a limiting ring 124 is provided on the outer wall of the rotating disk 109, and a limiting groove 125 is provided on the inner wall of the placing protrusion 114. The limiting ring 124 is located inside the limiting groove 125. Through the setting of the limiting ring 124 and the limiting groove 125, when the rotating disk 109 rotates inside the placing protrusion 114, the rotating structure is more stable.

[0030] When using a gear end surface grinding device of this embodiment, after placing the gear to be ground outside the positioning protrusion 117 through the shaft hole of the gear, the driving component 107 is started. Since the output end of the driving component 107 is meshed with the transmission bevel gear 121, the rotating shaft is driven to rotate inside the placement protrusion 114, thereby driving the rotating disk 109 to rotate. Since the toothed plate 120 on each of the sliding abutting blocks 110 is meshed with the plane thread 119, the four The sliding abutment blocks 110 slide synchronously on the placement protrusions 114, so that the outer wall of the gear is abutted by the four sliding abutment blocks 110, and the gear is firmly fixed on the placement protrusions 114. The electric push rod 105 is started to drive the sliding plate 103 to slide on the sliding rod 102, so that the milling cutter 116 fits the end face of the gear, and then the driving motor 106 is started to drive the milling cutter 116 to grind the end face of the gear, thereby automatically completing the grinding of the end face of the gear.

[0031] Second embodiment:

[0032] Based on the first embodiment, please refer to Figure 5 , Figure 5 It is a schematic diagram of the internal structure for placing the protrusions in the second embodiment.

[0033] The utility model provides a gear end surface grinding device which also includes an auxiliary support member 201 . The auxiliary support member 201 includes a support ring 202 , two connecting rods 203 and two fixing blocks 204 .

[0034] According to this specific embodiment, the auxiliary support member 201 is provided in the middle part of the transmission shaft 108, and the end of the auxiliary support member 201 away from the transmission shaft 108 is detachably connected to the inner wall of the placement protrusion 114. The auxiliary support member 201 is used to auxiliary support the transmission shaft 108, so that the rotation structure of the transmission shaft 108 is more stable when it rotates.

[0035] Among them, the support ring 202 is arranged on the outside of the transmission shaft 108, and the connecting rods 203 are arranged on both sides of the outside of the support ring 202. The fixing block 204 is arranged at one end of each connecting rod 203 away from the support ring 202, and the fixing block 204 is detachably connected to the inner wall of the placement protrusion 114. After the support ring 202 is arranged on the outside of the transmission shaft 108, the fixing block 204 is fixed to the inner wall of the placement protrusion 114 by screws, thereby completing the installation of the auxiliary support member 201.

[0036] When using a gear end surface grinding device of the present embodiment, after the support ring 202 is set on the outside of the transmission shaft 108, the fixing block 204 is fixed to the inner wall of the placement protrusion 114 by screws, thereby completing the installation of the auxiliary support member 201. The auxiliary support member 201 is used to auxiliary support the transmission shaft 108, so that the rotation structure of the transmission shaft 108 is more stable when it rotates.

[0037] 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 end surface grinding device, comprising a working base plate, four sliding rods, a sliding plate, a top plate, an electric push rod and a driving motor, wherein the upper surface of the working base plate is provided with a placement protrusion, the sliding rods are provided at the four top corners of the top plate, the top plate is fixedly provided between the ends of the four sliding rods away from the working base plate, the sliding plate is also slidably provided between the four sliding plates, the driving motor is provided at the top end of the sliding plate, a milling cutter is provided at the output end of the driving motor through a rotating die head, the milling cutter is located above the placement protrusion, the electric push rod is installed on the top plate, and the output end of the electric push rod is connected to the sliding plate, characterized in that Also included is a gear fixing mechanism; The gear fixing mechanism includes a driving assembly, a transmission shaft, a rotating disk and four sliding abutment blocks. A positioning protrusion is provided on the upper surface of the placement protrusion, the interior of the placement protrusion is a hollow structure, a rotating bearing is provided at the inner bottom of the placement protrusion, the transmission shaft is embedded in the interior of the rotating bearing, the rotating disk is provided at the end of the transmission shaft away from the rotating bearing, a plane thread is provided on the upper surface of the rotating disk, four sliding abutment blocks are evenly and slidably provided on the placement protrusion, a tooth plate is provided at the bottom of each of the sliding abutment blocks, the tooth portion of the tooth plate is meshed with the plane thread, a transmission bevel gear is provided on the outside of the transmission shaft, the driving assembly is also provided on the upper surface of the working base plate, and the output end of the driving assembly is mechanically transmitted with the transmission bevel gear.

2. The gear end surface grinding device according to claim 1, characterized in that: The driving assembly includes a servo motor, a gear reduction box and an output bevel gear. The servo motor is installed on the upper surface of the working base plate. The output end of the servo motor is provided with the gear reduction box. The output end of the gear reduction box is provided with the output bevel gear. The output bevel gear is located inside the placement protrusion, and the output bevel gear is meshed with the transmission bevel gear.

3. The gear end surface grinding device according to claim 1, characterized in that: A flexible pad is arranged on one side of each sliding abutting block close to the positioning protrusion, and an anti-slip pattern is arranged on one side of each flexible pad close to the positioning protrusion.

4. The gear end surface grinding device according to claim 3, characterized in that: A limiting ring is arranged on the outer side wall of the rotating disk, a limiting groove is arranged on the inner side wall where the protrusion is placed, and the limiting ring is located inside the limiting groove.

5. The gear end surface grinding device according to claim 1, characterized in that: The gear end surface grinding device also includes an auxiliary support member, which is arranged at the middle part of the transmission shaft, and one end of the auxiliary support member away from the transmission shaft is detachably connected to the inner side wall of the placement protrusion.

6. The gear end surface grinding device according to claim 5, characterized in that: The auxiliary support member includes a support ring, two connecting rods and two fixed blocks. The support ring is arranged on the outside of the transmission shaft, and the connecting rods are arranged on both sides of the outside of the support ring. The fixing block is arranged at one end of each connecting rod away from the support ring, and the fixing block is detachably connected to the inner side wall of the placement protrusion.

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