Gear shaft press-fitting equipment

Abstract

The utility model discloses gear shaft press-fitting equipment which comprises a machine table, a sliding groove is formed in the machine table, a hollow supporting frame is connected in the sliding groove in a left-right sliding mode, the gear shaft press-fitting equipment further comprises a positioning mechanism used for controlling the left-right position of the supporting frame, a bearing plate is installed on the upper side of the supporting frame, a gear groove is formed in the upper side face of the bearing plate, and the gear shaft is arranged in the gear groove. A through hole for allowing the shaft rod to penetrate through is formed in the bottom surface of the gear groove; the supporting frame and the bearing plate which are used for placing the gear can move left and right, so that feeding and press-fitting operation are not in the same left and right position, safety is guaranteed, the ejector rod is prevented from interfering with placement of a shaft rod, and working efficiency is improved; the pre-clamping device is arranged on the supporting frame, so that the shaft lever can be pressed in a vertical state, and scratches caused by inclination of the shaft lever are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear shaft production technical field especially relates to a gear shaft press fitting equipment. BACKGROUND

[0002] The gear and the shaft rod need to be press fitted and connected when producing the gear shaft, and the current press fitting mode is generally to place the gear first, and then press the shaft rod in the gear through hydraulic equipment or pneumatic equipment.

[0003] However, the current gear shaft press fitting equipment, such as the high-efficiency press fitting equipment for gear shaft press fitting disclosed in application No. 202320001526.6, generally has the press fitting station and the feeding and discharging station at the same position, and the staff has the risk of being pinched when clamping and taking and placing the gear shaft, in addition, the pressure head in the press fitting machine of this structure will interfere with the taking and placing of the gear shaft, and the press fitting efficiency is reduced, so improvement is needed. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a gear shaft press fitting equipment to solve the problems mentioned in the background art.

[0005] The utility model provides the following technical scheme: a gear shaft press fitting equipment, including the machine table, be provided with the chute in the machine table, and the hollow support frame is connected with left and right sliding in the chute, still include the positioning mechanism for control left and right position of support frame, the upper side of support frame is equipped with the bearing plate, the upper side of bearing plate is equipped with gear groove, and the bottom surface of gear groove is equipped with the through -hole for the axle rod passes through;

[0006] The top plate is connected on the machine table through the support, a No. The cylinder is arranged on the top plate, the top rod is arranged on the lower end of the No. The piston rod in the No. The cylinder passes through the top plate;

[0007] The top rod and the through -hole are in the same front and back position.

[0008] Preferably, the positioning mechanism comprises a No. The cylinder arranged on the right side of the machine table, and a No. The piston rod in the No. The cylinder is connected to the right side surface of the support frame.

[0009] Preferably, a pre-clamping device for acting on the shaft rod is arranged on each of the front and back side surfaces of the support frame.

[0010] Preferably, the pre-clamping device comprises mounting plates arranged on the front and back side surfaces of the support frame respectively, the mounting plates extend forward and backward and then bend upward to the upper side of the bearing plate, and each of the two mounting plates is provided with an arc clamping plate on the side surface close to each other.

[0011] Preferably, the arc-shaped clamping plate comprises a plate part and a straight rod part, a sliding groove is arranged in the mounting plate and extends through the mounting plate from front to back to accommodate the straight rod part, and a first bolt is screwed into the left side of the mounting plate and presses the straight rod part.

[0012] Preferably, a mounting groove is arranged in the lower side of the bearing plate, the support frame is inserted into the support frame upwardly, and a second bolt is screwed into the side of the bearing plate and presses the support frame.

[0013] Preferably, a push rod is connected to the support frame through sliding motion upwardly and downwardly, an inclined block is arranged on the lower side of the sliding groove, the upper side of the inclined block is inclined to the left and upward, and a roller is arranged on the lower end of the push rod and adheres to the upper side of the inclined block.

[0014] The utility model provides a kind of gear shaft press fitting equipment, with following beneficial effects:

[0015] The support frame and the bearing plate for placing gear in the utility model can move left and right, so that feeding and press fitting operation are not in the same left and right position, which ensures safety, avoids interference of ejector rod with the placement of shaft rod, and improves work efficiency;

[0016] The support frame in the utility model is provided with pre-clamping device, so that shaft rod can be kept in vertical state for press fitting, to avoid scratch caused by shaft rod inclination. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the appearance schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view in the utility model;

[0019] Figure 3 It is Figure 2 Enlarged schematic view of A in

[0020] In the figure:

[0021] 11, machine table; 12, sliding groove; 13, support frame; 14, second cylinder; 15, bearing plate; 16, gear groove; 17, top plate; 18, first cylinder; 19, ejector rod; 20, mounting plate; 21, arc-shaped clamping plate; 22, first bolt; 23, mounting groove; 24, second bolt; 25, push rod; 26, inclined block. DETAILED DESCRIPTION

[0022] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limitation of the utility model.

[0023] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0025] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Referring to Figures 1-3 According to the embodiment of the utility model discloses a gear shaft press fitting equipment, including machine table 11, the machine table 11 is provided with the chute 12, and the hollow support frame 13 is slidably connected in the chute 12, and the positioning mechanism for controlling the left and right positions of the support frame 13 is further included, the upper side of the support frame 13 is provided with the bearing plate 15, the upper side of the bearing plate 15 is provided with the gear groove 16 for accommodating gear, and the bottom surface of the gear groove 16 is provided with the through hole for the shaft rod.

[0027] In addition, the machine table 11 is connected with the top plate 17 through the support, the top plate 17 is provided with the No. 1 air cylinder 18, the No. 1 piston rod lower end in the No. 1 air cylinder 18 passes through the top plate 17 and is provided with the top rod 19, and the top rod 19 and the through hole are in the same front and rear position.

[0028] When the shaft rod needs to be pressed into the gear, the staff first makes the support frame 13 at the leftmost position, then puts the gear into the gear groove 16, then the staff inserts the shaft rod into the gear groove 16, then the positioning mechanism makes the support frame 13 move right until the shaft rod is below the top rod 19, then the first cylinder 18 controls the top rod 19 to press down and make the shaft rod press into the gear, then the top rod 19 is raised and the support frame 13 is reset to the left, so that the staff can take out the pressed shaft rod and gear.

[0029] In the embodiment, the positioning mechanism includes a second cylinder 14 arranged on the right side of the machine table 11, and a second piston rod in the second cylinder 14 is connected to the right side of the support frame 13, so that the staff can control the left and right positions of the support frame 13 through the second cylinder 14.

[0030] In the second embodiment of the gear shaft pressing device, in order to prevent the shaft rod from tilting when it is not pressed, a pre-clamping device for the shaft rod is arranged on the front and rear sides of the support frame 13.

[0031] The pre-clamping device includes mounting plates 20 arranged on the front and rear sides of the support frame 13, which extend forward and backward and then bend upward to the upper side of the bearing plate 15, and each of the two mounting plates 20 has an arc-shaped clamping plate 21 arranged on the side close to the other mounting plate 20.

[0032] The staff can insert the shaft rod through the two arc-shaped clamping plates 21 and then into the gear in the gear groove 16, so that the shaft rod will not tilt during the movement of the support frame 13 to the right, thereby preventing the shaft rod or the gear from being scratched.

[0033] In addition, in order to facilitate the replacement of the bearing plate 15 and the arc-shaped clamping plate 21, so that the gear shaft pressing device can be adapted to gears and shaft rods of different specifications, the arc-shaped clamping plate 21 includes a plate part and a straight rod part, a sliding groove is arranged in the mounting plate 20 to accommodate the straight rod part, and a first bolt 22 is screwed into the left side of the mounting plate 20 to press the straight rod part.

[0034] A mounting groove 23 is arranged in the lower side of the bearing plate 15, and the support frame 13 is inserted into the support frame 13, and a second bolt 24 is screwed into the side of the bearing plate 15 to press the support frame 13.

[0035] The staff can loosen the first bolt 22 to replace the arc-shaped clamping plate 21 of different sizes to adapt to shaft rods of different specifications, and similarly, the staff can loosen the second bolt 24 to replace the bearing plate 15 of different sizes to adapt to gears of different specifications.

[0036] In the third embodiment of the gear shaft press-fitting device, an ejection mechanism is additionally provided, the push rod 25 is slidably connected in the support frame 13, the lower side of the sliding groove 12 is provided with an inclined block 26, the upper side of the inclined block 26 extends leftward and upward, and the lower end of the push rod 25 is provided with a roller which is attached to the upper side of the inclined block 26.

[0037] During the process of gear press-fitting and leftward movement of the support frame 13, the push rod 25 which is lifted upward under the action of the inclined block 26 lifts the shaft rod which extends into the support frame 13 and the gear in the gear groove 16 upward, so as to be picked up by the staff.

[0038] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this, any person skilled in the art in the field of the present application, the changes or modifications are covered in the patent range of the present application.

Claims

1. A pinion shaft press-fitting apparatus comprising a machine table (11), characterized by: The machine table (11) is provided with a chute (12), and the chute (12) is provided with a hollow support frame (13) which is slidably connected to the left and right sides of the chute (12), and a positioning mechanism is arranged for controlling the left and right positions of the support frame (13), and the upper side of the support frame (13) is provided with a bearing plate (15), and the upper side of the bearing plate (15) is provided with a gear groove (16), and the bottom surface of the gear groove (16) is provided with a through hole for the shaft rod to pass through. The machine table (11) is provided with a top plate (17) which is connected to the machine table (11) by a support, and the top plate (17) is provided with a first air cylinder (18), and the lower end of a first piston rod of the first air cylinder (18) is provided with a top rod (19) which passes through the top plate (17). The top rod (19) is located at the same front and rear position as the through hole.

2. A gear shaft press fitting apparatus according to claim 1, characterized by: The positioning mechanism comprises a second air cylinder (14) which is arranged on the right side of the machine table (11), and a second piston rod of the second air cylinder (14) is connected to the right side of the support frame (13).

3. The gear shaft press fitting apparatus according to claim 1, characterized by: The front and rear sides of the support frame (13) are each provided with a pre-clamping device which acts on the shaft rod.

4. A gear shaft press fitting apparatus according to claim 3, characterized by: The pre-clamping device comprises mounting plates (20) which are arranged on the front and rear sides of the support frame (13), respectively, and the mounting plates (20) extend forward and backward and then bend upward to the upper side of the bearing plate (15), and each of the two mounting plates (20) is provided with an arc-shaped clamping plate (21) on the side which is close to the other mounting plate (20).

5. A gear shaft press fitting apparatus according to claim 4, characterized by: The arc-shaped clamping plate (21) comprises a plate portion and a straight rod portion, and the mounting plate (20) is provided with a sliding groove which penetrates through the front and rear sides of the mounting plate (20) to accommodate the straight rod portion, and a first bolt (22) is screwed into the left side of the mounting plate (20) and presses the straight rod portion.

6. The gear shaft press fitting apparatus according to claim 1, characterized by: The lower side of the bearing plate (15) is provided with a mounting groove (23), and the support frame (13) is inserted into the support frame (13) upwardly, and a second bolt (24) is screwed into the side of the bearing plate (15) and presses the support frame (13) inside.

7. The gear shaft press fitting apparatus according to claim 1, characterized by: The support frame (13) is slidably connected with a push rod (25) upwardly and downwardly, the lower side of the chute (12) is provided with an inclined block (26), the upper side of the inclined block (26) is inclined to the left and upward, and the lower end of the push rod (25) is provided with a roller which is attached to the upper side of the inclined block (26).

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