Special camshaft polishing center shaft extension equipment

Abstract

The utility model provides special center shaft extending equipment for camshaft polishing, and relates to the technical field of camshaft machining and limiting. The front end position of the mounting part is designed to be cylindrical, the rear end position of the mounting part is designed to be semi-conical, the middle position of the mounting part is designed to be through, the outer side position of the front end of the semi-conical position of the mounting part is fixedly connected with the inner side position of the mounting frame, and a center extension shaft is arranged at the front end position in the mounting part; the front end position of the central extension shaft is conical, and the rear end position of the mounting frame is fixedly connected with a protection frame; when the cam shaft is machined, the conical position of the front end of the center extension shaft is attached to the axis position of one side of the cam shaft, the problem that the length of a positioning center shaft of the cam shaft is insufficient is solved through length progression of the center extension shaft, and polishing is carried out in a cushion block adding or switching mode; the pressure is insufficient in the part polishing process, the polishing belt is loosened, and the deviation machine falls off.

Description

Technical Field

[0001] The utility model belongs to the technical field of camshaft processing and limiting, and more specifically, particularly relates to a special camshaft polishing center shaft extension device. Background Art

[0002] After the camshaft is manufactured, it needs to be polished and ground using a camshaft polishing machine to avoid defects on the surface of the camshaft that affect the quality of the product itself.

[0003] Due to the characteristics of the 9303 camshaft forged steel shaft, the product is short and the material is hard, which will be a serious test for production. In the early polishing process, the center frame is often insufficient in length. Polishing is performed by adding pads or switching, which leads to insufficient pressure during the polishing process of the parts, loosening of the polishing belt, deviation, and falling off. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a special camshaft polishing center axis extension equipment to solve the problems of insufficient length of the existing camshaft positioning center axis, polishing by adding pads or switching, resulting in insufficient pressure during the parts polishing process, loose polishing belt, and falling off of the deviation machine.

[0005] The purpose and effect of the utility model of a special camshaft polishing center shaft extension equipment are achieved by the following specific technical means:

[0006] A special camshaft polishing center shaft extension equipment comprises: a mounting piece; the front end position of the mounting piece is designed in a cylindrical shape, and the rear end position of the mounting piece is designed in a semi-conical shape, the middle position of the mounting piece is designed to be through, the front end outer position of the semi-conical position of the mounting piece is fixedly connected to the inner position of a mounting frame, the inner front end position of the mounting piece is provided with a center extension shaft, the front end position of the center extension shaft is designed in a conical shape, the rear end position of the mounting frame is fixedly connected with a protection frame, the rear end position of the protection frame is provided with three slide grooves, and the three slide grooves are distributed in a Y shape, and a clamping block is slidably connected to each of the three slide grooves of the protection frame, and the rear ends of the three clamping blocks are respectively provided with arc grooves.

[0007] According to an embodiment of the utility model, a semicircular groove is provided above the connection gap between the protection frame and the mounting frame, and bevel gears are rotatably connected in the semicircular grooves of the protection frame and the mounting frame.

[0008] According to one embodiment of the utility model, a bevel gear is rotatably connected to the inner front end of the protection frame, the upper front end of the bevel gear is meshed with the bevel gear, a spiral groove is provided at the rear end of the bevel gear, and the spiral groove at the rear end of the bevel gear is meshed with the arc grooves at the front ends of the three clamping blocks.

[0009] According to one embodiment of the utility model, a stopper is installed at the middle and rear end position inside the mounting member, the front end position of the stopper fits the rear end position of the limiting pad, the limiting pad is located inside the mounting member, and the rear end position of the central extension axis is located inside the limiting pad.

[0010] According to one embodiment of the utility model, a limit card is provided at the front end position of the mounting piece, a central extension shaft is sleeved in the middle position of the limit card, a protrusion is provided at the middle outer position of the central extension shaft, and the front end of the protrusion of the central extension shaft is fitted with the rear end position of the limit card.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] When processing the camshaft, the tapered position of the front end of the center extension shaft is aligned with the axial position of one side of the camshaft. The length of the center extension shaft is progressive to avoid the problem of insufficient length of the camshaft positioning center shaft. Polishing is performed by adding pads or switching, which leads to insufficient pressure during the polishing process of the parts, loose polishing belts, and falling off of the running machine.

[0013] This equipment improves the product quality of the 9303 model camshaft, saves resources, shortens production and processing time, reduces engine failure rate, improves product accuracy and product qualification rate, and reduces potential risks during use.

[0014] After the mounting piece is clamped at the positioning position of the polishing machine, the bevel gear is rotated, and the bevel gear will drive the bevel gear plate to rotate. At this time, combined with the meshing transmission of the spiral groove at the rear end of the bevel gear plate and the arc groove at the front end of the three clamping blocks, the three clamping blocks will shrink synchronously, so that the three clamping blocks clamp the positioning position of the polishing machine, which has a secondary fixing effect on the mounting piece and avoids the overall loosening of the mounting piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the side structure of a camshaft polishing center shaft extension device.

[0016] Figure 2 The utility model is a half-section top view of the structure of the camshaft polishing center shaft extension device.

[0017] Figure 3 The utility model is a half-section side view structural schematic diagram of a camshaft polishing center axis extension device.

[0018] Figure 4 The utility model is a schematic diagram of a half-section side view of the structure of a camshaft polishing center shaft extension device.

[0019] Figure 5The utility model is a schematic diagram of the side view of the structure of the camshaft polishing center shaft extension device after being split and half-sectioned.

[0020] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0021] 1. Mounting parts; 101. Stop block; 102. Limit pad; 103. Limit card; 104. Center extension shaft; 2. Mounting frame; 201. Protection frame; 202. Bevel gear; 203. Bevel gear disc; 204. Clamp block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by ordinary technicians in the field to which the utility model belongs. Similar words such as "one", "an" or "the" used in the patent application specification and claims of the utility model do not indicate a quantitative limitation, but indicate the existence of at least one. Similar words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents. Similar words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] The implementation of the utility model is further described in detail below with reference to the accompanying drawings and examples.

[0025] Embodiment 1:

[0026] As attached Figure 1 To Attachment Figure 5 As shown:

[0027] The utility model provides a special camshaft polishing center axis extension equipment, comprising: a mounting member 1; the front end position of the mounting member 1 is designed in a cylindrical shape, and the rear end position of the mounting member 1 is designed in a semi-conical shape, the middle position of the mounting member 1 is designed to be through, the front end outer position of the semi-conical position of the mounting member 1 is fixedly connected to the inner position of a mounting frame 2, a center extension shaft 104 is arranged at the internal front end position of the mounting member 1, the front end position of the center extension shaft 104 is designed in a conical shape, a protection frame 201 is fixedly connected at the rear end position of the mounting frame 2, three slide grooves are provided at the rear end position of the protection frame 201, and the three slide grooves are distributed in a Y shape, a clamping block 204 is slidably connected to each of the three slide grooves of the protection frame 201, and arc grooves are provided at the rear ends of the three clamping blocks 204.

[0028] Among them, a semicircular groove is provided above the connection gap between the protection frame 201 and the mounting frame 2, and a bevel gear 202 is rotatably connected in the semicircular groove of the protection frame 201 and the mounting frame 2, and a bevel gear 203 is rotatably connected to the front end position of the protection frame 201, and the front end upper position of the bevel gear 203 is meshed with the bevel gear 202, and a spiral groove is provided at the rear end position of the bevel gear 203, and the spiral groove at the rear end of the bevel gear 203 is meshed with the arc groove at the front end of the three clamping blocks 204, and the middle and rear end positions of the mounting member 1 are arranged inside A stopper 101 is provided, the front end of which fits with the rear end of a limiting pad 102. The limiting pad 102 is located inside the mounting member 1, and the rear end of the central extension shaft 104 is located inside the limiting pad 102. A limiting card 103 is provided at the front end of the mounting member 1, the central extension shaft 104 is sleeved at the middle of the limiting card 103, a protrusion is provided at the middle outer position of the central extension shaft 104, and the front end of the protrusion of the central extension shaft 104 fits with the rear end of the limiting card 103.

[0029] When in use: first assemble the device in combination with the above-mentioned parts distribution, and then install the rear end position of the mounting piece 1 to the exclusive mounting position of the polishing machine. When processing the 9303 model camshaft, the front end conical position of the center extension shaft 104 is aligned with the axial position of one side of the 9303 model camshaft. The length of the center extension shaft 104 is progressive to avoid insufficient pressure on the camshaft, loosening of the polishing belt, deviation, and falling off.

[0030] Embodiment 2:

[0031] After the mounting piece 1 is clamped at the position where the polishing machine is positioned, the bevel gear 202 is rotated, and the bevel gear 202 will drive the bevel gear disc 203 to rotate. At this time, combined with the meshing transmission of the spiral groove at the rear end of the bevel gear disc 203 and the arc groove at the front end of the three clamping blocks 204, the three clamping blocks 204 will shrink synchronously, so that the three clamping blocks 204 clamp the positioning position of the polishing machine, which has a secondary fixing effect on the mounting piece 1 and avoids the overall loosening of the mounting piece 1.

[0032] Although the present application has been described with reference to the above-mentioned embodiments, it will be appreciated by those skilled in the art that various changes may be made without departing from the concept and scope of the present application as defined by the appended claims. Although this specification contains many specific implementation details, these should not be interpreted as limitations on the scope of the present application, but as descriptions of features directed to specific embodiments. The scope of the present application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. A special camshaft polishing center shaft extension equipment, characterized by: The invention comprises a mounting member (1); the front end position of the mounting member (1) is designed as a cylindrical shape, and the rear end position of the mounting member (1) is designed as a semi-conical shape, the middle position of the mounting member (1) is designed as a through-hole, the front end outer position of the semi-conical position of the mounting member (1) is fixedly connected to the inner position of the mounting frame (2), the inner front end position of the mounting member (1) is provided with a central extension shaft (104), the front end position of the central extension shaft (104) is designed as a cone, the rear end position of the mounting frame (2) is fixedly connected with a protection frame (201), the rear end position of the protection frame (201) is provided with three sliding grooves, and the three sliding grooves are distributed in a Y shape, and the three sliding grooves of the protection frame (201) are respectively slidably connected with a clamping block (204), and the rear ends of the three clamping blocks (204) are respectively provided with arc grooves.

2. A special camshaft polishing center shaft extension equipment as claimed in claim 1, characterized in that: Semicircular grooves are provided above the connection gaps between the protection frame (201) and the mounting frame (2), and bevel gears (202) are rotatably connected in the semicircular grooves of the protection frame (201) and the mounting frame (2).

3. A special camshaft polishing center shaft extension equipment as claimed in claim 2, characterized in that: The front end of the protection frame (201) is rotatably connected to a bevel gear disc (203), the upper front end of the bevel gear disc (203) is meshed with the bevel gear (202), the rear end of the bevel gear disc (203) is provided with a spiral groove, and the spiral groove at the rear end of the bevel gear disc (203) is meshed with the arc grooves at the front ends of the three clamping blocks (204).

4. A special camshaft polishing center shaft extension equipment as claimed in claim 1, characterized in that: A stopper (101) is installed at a middle and rear end position inside the mounting member (1), the front end position of the stopper (101) fits the rear end position of a limiting pad (102), the limiting pad (102) is located inside the mounting member (1), and the rear end position of the central extension shaft (104) is located inside the limiting pad (102).

5. The special camshaft polishing center shaft extension equipment as claimed in claim 1, characterized in that: A limit card (103) is arranged at the front end of the mounting member (1), a central extension shaft (104) is sleeved at the middle of the limit card (103), a protrusion is arranged at the middle outer side of the central extension shaft (104), and the front end of the protrusion of the central extension shaft (104) is fitted with the rear end of the limit card (103).

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