CN203484476U - Numerical control spinning forming machine special for hub parts for engineering vehicle - Google Patents

Abstract

The utility model relates to a special numerical control spinning forming machine for wheel hub parts of engineering vehicles, which comprises a bed (1), a main shaft part (2), two spinning wheel parts (3) and a tail top part (4), a bed (1) ) is in the shape of a "ten", the main shaft part (2) and the tail top part (4) are installed on the bed (1) longitudinally, and the two rotary wheel parts (3) are installed on the bed (1) horizontally and symmetrically, and the main shaft The component (2) adopts the rotation input of the main shaft motor, and the rotary wheel component (3) adopts a double-slider symmetrical structure. Each rotary wheel head (314) has four fixed installation angles, which can be adjusted and installed according to the process requirements. The tail top component ( 4) It is rigidly connected with the spindle housing to realize longitudinal synchronous feed. The utility model has the advantages of: it can realize the powerful spinning and flaring and flanging forming of cylindrical and conical thin-walled rotary parts, realize the spinning and forming of special-shaped curved generatrix annular thin-walled wheel hub parts, energy saving, material saving and automation High degree and high work efficiency.

Description

CNC Spinning Forming Machine for Wheel Hub Parts for Engineering Vehicles

technical field

The utility model relates to special numerical control forming equipment for engineering vehicle parts, in particular to a special numerical control spinning forming machine for engineering vehicle wheel hub parts. the

Background technique

Spinning is a metal processing method used to form thin-walled hollow rotating parts. It is an advanced technology that can reduce or eliminate cutting. Nowadays, in the processing of cylindrical thin-walled parts with flanges in the wheel hub parts of engineering vehicles, the flanges are processed by hot turning, and the cylindrical parts are processed by turning, which consumes more energy in hot turning. In turning, the material utilization low rate. the

Chinese patent 201020644065.7 discloses a "multifunctional circular workpiece spinning forming machine", which is composed of a main drive device, a main drive shaft, a main forming wheel, two auxiliary forming wheels and a plurality of auxiliary rollers, the main driving device is fixed At the lower end of the frame, one end rotates coaxially with the main forming wheel through the main transmission shaft, and an adjusting wheel is fixed at one end of the auxiliary forming wheel near the machining center through the central shaft. The cliff equipment with this structure needs multiple processes to complete the flanging during processing. When operating the forming wheel, it needs to rely on manual control of the angle. The workpiece is also prone to shaking, which makes the precision of the finished product poor, and the structure of this forming equipment is too complicated. , It is difficult to operate and the degree of automation is low, which is not conducive to improving production efficiency. the

Utility model content

The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a special CNC spinning forming machine for wheel hub parts of engineering vehicles with energy saving, material saving, high degree of automation and high working efficiency. the

The purpose of this utility model is achieved through the following technical proposals: a special CNC spinning forming machine for wheel hub parts for engineering vehicles, which includes a bed, a main shaft part, two spinning wheel parts and a tail top part, and the bed is in the shape of a "ten" , the main shaft part and the tail top part are installed longitudinally on the bed, and the two rotary wheel parts are installed transversely and symmetrically on the bed;

The main shaft components include a main shaft housing, a main shaft, a longitudinal oil cylinder, a tensioning oil cylinder, a main shaft motor, a mold assembly and an external ejection oil cylinder. The bottom of the main shaft housing is provided with a heavy-duty slider A, and the heavy-duty slider A is connected to the bed. The rails on the body are matched and connected, the main shaft is installed horizontally inside the main shaft box, the end of the main shaft is installed with a blank chuck, and the inner part of the main shaft is equipped with a tensioning oil cylinder connecting rod, and one end of the tensioning oil cylinder connecting rod is connected with the tensioning oil cylinder. The oil cylinder is fixedly installed on the side wall of the main shaft box, and the other end of the connecting rod of the tightening oil cylinder is installed with a mold assembly. The gear and the intermediate shaft helical gear, the intermediate shaft helical gear meshes with the main shaft helical gear; the input shaft is also installed in the main shaft housing, the input shaft gear is arranged in the middle of the input shaft, the input shaft gear meshes with the intermediate shaft gear, and the end of the input shaft A synchronous belt wheel is also installed, and the synchronous belt wheel is connected with the spindle motor installed on the outside of the spindle box; the longitudinal oil cylinder is fixedly installed on the bed, and the output end of the longitudinal oil cylinder is connected with the spindle box; the outside of the spindle box is also An external ejection cylinder is installed, and the output end of the external ejection cylinder is parallel to the main shaft;

The rotary wheel parts include a rotary wheel slider, a rotary wheel head assembly assembly, a heavy-duty slider B, a knurled wheel oil cylinder and a rotary wheel oil cylinder. One side of the rotary wheel slider is equipped with a rotary wheel head assembly assembly, and the rotary wheel The head assembly assembly includes the roller head housing, the roller shaft and the roller head. The roller head housing is fitted with the roller shaft through bearings, and the roller head is installed on one side of the roller shaft head; the bottom of the roller slider There is a heavy-duty slider B, and the heavy-duty slider B is connected with the track on the bed. The bottom of the rotary slider is also fixed with a rotary cylinder, and the output end of the rotary cylinder is fixed on the bed; one of A knurled wheel cylinder is arranged on the side of the rotary wheel slider, the tail of the knurled wheel cylinder is fixed on the knurled wheel cylinder seat connected with the rotary wheel slider through the knurled wheel cylinder gland, and the output end of the knurled wheel cylinder Connected with the knurled wheel guide rail slider, the knurled wheel guide rail slider is fixed on the rotary wheel slider through the knurled wheel guide rail gasket, and the knurled wheel guide rail slider is connected with the rotary wheel head assembly assembly through the knurled wheel swing rod. The knurled wheel swing lever is connected with the knurled wheel swivel, the inner ring of the knurled wheel swivel is connected with the end cover of the knurled wheel shaft, the outer ring of the knurled wheel swivel is fixed with the knurled wheel bracket, and the end cover of the knurled wheel shaft is fixed on the rotary head housing On, the knurling wheel bracket is connected with the knurling wheel;

The tail top part includes a tail top box body, a guide assembly, a jacking shaft assembly, a slider and an oil cylinder, and a top shaft assembly is installed horizontally inside the tail top box body, and the front end of the top shaft assembly cooperates with the guide assembly, and the guide assembly is fixedly installed On the side wall of the tail top box, the tail of the jacking shaft assembly is connected with the oil cylinder, the top of the tail top box is covered with a cover plate, and the bottom of the tail top box is provided with a slider, which cooperates with the slide rail on the bed Connection, the side wall of the tail top box body is also connected with a connecting rod assembly, and is fixedly connected with the main shaft box body.

A lubricating motor is also installed on the outer wall of the spindle housing. the

The mold assembly includes a mold adjusting pressure block, a clamp block, a clamp block baffle, a spring baffle, a spring guide rod and a cylindrical helical compression spring. The outer surface is a conical surface, and the outside of the clamping block is equipped with a clamping block. The clamping block is positioned by the clamping block baffle. There are also multiple spring guide rods inside the clamping block. Each spring guide rod is equipped with a cylindrical helical compression As for the spring, one end of the cylindrical helical compression spring is fixed on the clamp block, the other end of the cylindrical helical compression spring is fixed on the spring baffle, and the spring baffle is fixedly installed on the end face of the clamp block. the

The wheel head housing and the wheel slider respectively have a main pin hole and two auxiliary pin holes, and the wheel head housing and the wheel slider respectively pass through the corresponding king pin holes through the two wheel shafts Connect with one of the auxiliary pin holes. the

The middle part of the rotary shaft of the rotary wheel is also covered with a steel sleeve of the rotary shaft of the rotary wheel. the

The utility model has the following advantages: it can realize the powerful spinning and flaring and flanging forming of cylindrical and conical thin-walled rotary parts, realize the spinning and forming of special-shaped curved generatrix annular thin-walled wheel hub parts, and adopt spinning flanging, The strong spinning and thinning formed cylindrical parts better solve the problems of material utilization and heat consumption, reduce unit energy consumption, improve material utilization, shorten processing time, improve work efficiency, and save costs and reduce labor costs. Great progress has been made in terms of labor intensity, increasing the degree of automation, and energy saving. the

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of main shaft part;

Fig. 3 is the cross-sectional structure schematic diagram of main shaft part;

Fig. 4 is the structural representation of mold assembly;

Figure 5 is a schematic view of the side structure of the rotary wheel part;

Figure 6 is a top view structural schematic diagram of the rotary wheel component;

Fig. 7 is the sectional structure schematic diagram of rotary wheel part;

Figure 8 is a schematic structural view of the rotary head assembly assembly;

Fig. 9 is the structural representation of tail top part;

In the figure: 1-bed, 2-spindle parts, 3-roller parts, 4-tail top parts, 201-longitudinal oil cylinder, 202-tension oil cylinder, 203-spindle motor, 204-lubricating motor, 205-synchronous belt Big wheel, 206-input shaft, 207-input shaft gear, 208-intermediate shaft gear, 209-intermediate shaft, 210-intermediate shaft helical gear, 211-main shaft housing, 212-main shaft, 213-tension cylinder connecting rod, 214-Spindle helical gear, 215-Mold assembly, 216-Blank chuck, 217-Machine, 218-External return cylinder, 219-Heavy-duty slider A, 220-Timing belt cover, 221-Mold adjustment block , 222-clamp block, 223-clamp block baffle, 224-clamp block, 225-spring baffle, 226-spring guide rod, 227-cylindrical spiral compression spring, 301-knurled wheel cylinder gland, 302-roll Flower wheel guide rail slider, 303-knurled wheel swing rod, 304-rotary wheel slider, 305-rotary wheel head assembly, 306-rotary wheel shaft, 307-knurled wheel cylinder, 308-knurled wheel cylinder seat, 309 -Roller oil cylinder, 310-heavy-duty slider B, 311-knurled wheel guide rail gasket, 312-rotary wheel shaft steel sleeve, 313-rotary wheel shaft, 314-rotary wheel head, 315-rotary wheel head shell, 316-knurled wheel swivel, 317-rotary wheel shaft end cover, 318-knurled wheel bracket, 319-knurled wheel, 401-cover plate, 402-tail top box, 403-guide assembly, 404-top shaft assembly, 405-connecting rod assembly, 406-slider, 407-oil cylinder. the

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description. the

As shown in Figure 1, the special CNC spinning forming machine for wheel hub parts of engineering vehicles includes a bed 1, a main shaft part 2, two spinning wheel parts 3 and a tail top part 4. The bed 1 is in the shape of a "ten", The main shaft part 2 and the tail top part 4 are installed on the bed 1 longitudinally, and the two rotary wheel parts 3 are installed on the bed 1 laterally and symmetrically;

As shown in Fig. 2, Fig. 3 and Fig. 4, the main shaft assembly 2 includes a main shaft housing 211, a main shaft 212, a longitudinal oil cylinder 201, a tightening oil cylinder 202, a main shaft motor 203, a mold assembly 215 and an external return cylinder 218, the main shaft case The bottom of the body 211 is provided with a heavy-duty slider A219, and the heavy-duty slider A219 is connected with the track on the bed 1. The main shaft 212 is horizontally installed inside the main shaft box 211, and the end of the main shaft 212 is installed with a blank chuck 216. 212 is equipped with a tensioning oil cylinder connecting rod 213 inside, and one end of the tensioning oil cylinder connecting rod 213 is connected with the tensioning oil cylinder 202. One end is equipped with a mold assembly 215, and the main shaft 212 is provided with a main shaft helical gear 214; an intermediate shaft 209 is also installed in the main shaft housing 211, and the middle part of the intermediate shaft 209 is provided with an intermediate shaft gear 208 and an intermediate shaft helical gear 210. The gear 210 meshes with the main shaft helical gear 214; the main shaft housing 211 is also equipped with an input shaft 206, the middle part of the input shaft 206 is provided with an input shaft gear 207, the input shaft gear 207 meshes with the intermediate shaft gear 208, and the end of the input shaft 206 A synchronous belt bull wheel 205 is also installed, and the synchronous belt bull wheel 205 is connected with the main shaft motor 203 transmission installed on the outside of the main shaft housing 211; 211 connected; the outside of the main shaft housing 211 is also equipped with an external material return cylinder 218, and the output end of the external material withdrawal cylinder 218 is parallel to the main shaft 212; the outer wall of the main shaft housing 211 is also equipped with a lubricating motor 204; The outer side of the synchronous belt bull wheel 205 is also provided with a synchronous belt cover 220, and the synchronous belt cover 220 is locked on the spindle housing 211 by screws; Block baffle plate 223, spring baffle plate 225, spring guide rod 226 and cylindrical helical compression spring 227, clamping block 224 is installed on the end of tension oil cylinder connecting rod 213, and the outer surface of clamping block 224 is a conical surface, clamping The outer side of the block 224 is fitted with a clamping block 222, the clamping block 222 is positioned by the clamping block baffle 223, and a plurality of spring guide rods 226 are arranged inside the clamping block 222, and a cylindrical helical compression spring is set on each spring guide rod 226 227, one end of the cylindrical helical compression spring 227 is fixed on the clamp block 222, the other end of the cylindrical helical compression spring 227 is fixed on the spring baffle 225, and the spring baffle 225 is fixedly installed on the end surface of the clamp block 222.

As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the rotary wheel component 3 includes a rotary wheel slider 304, a rotary wheel head assembly assembly 305, a heavy-duty slider B310, a knurled wheel cylinder 307 and a rotary wheel cylinder 309, One side of the wheel slide block 304 is equipped with a wheel head assembly assembly 305, the wheel head assembly assembly 305 includes a wheel head housing 315, a wheel shaft 306 and a wheel head 314, and the inside of the wheel head housing 315 is matched by a bearing The wheel shaft 306 is installed, and the wheel head 314 is installed on one side of the head of the wheel shaft 306; the bottom of the wheel slider 304 is provided with a heavy-duty slider B310, and the heavy-duty slider B310 is connected with the track on the bed 1 Cooperate with the connection, the bottom of the rotary wheel slider 304 is also fixedly installed with a rotary wheel oil cylinder 309, and the output end of the rotary wheel oil cylinder 309 is fixed on the bed 1; the side of one of the rotary wheel sliders 304 is provided with a knurled wheel oil cylinder 307 , the tail of the knurled wheel cylinder 307 is fixed on the knurled wheel cylinder seat 308 connected with the rotary wheel slider 304 through the knurled wheel cylinder gland 301, the output end of the knurled wheel oil cylinder 307 is connected with the knurled wheel guide rail slider 302 Connected, the knurled wheel guide rail slider 302 is fixed on the rotary wheel slider 304 through the knurled wheel guide rail gasket 311, the knurled wheel guide rail slider 302 is connected with the rotary wheel head assembly assembly 305 through the knurled wheel swing rod 303, and the rolling wheel The flower wheel swing bar 303 is connected with the knurled wheel swivel 316, the inner ring of the knurled wheel swivel 316 is connected with the swivel shaft end cover 317, the knurled wheel bracket 318 is fixed on the outer ring of the knurled wheel swivel 316, and the knurled wheel shaft end cover 317 is fixed On the wheel head housing 315, the knurl wheel bracket 318 is connected with the knurl wheel 319; the wheel head housing 315 and the wheel slider 314 respectively have a main pin hole and two auxiliary pin holes, The wheel head housing 315 and the wheel slider 314 are connected through two wheel shafts 313 through the corresponding main pin hole and one of the auxiliary pin holes, and the wheel slider 314 realizes the wheel head assembly assembly through the main and auxiliary pin shafts 305 four kinds of installation angles; the middle part of the described rotating wheel rotating shaft 313 is also sheathed with rotating wheel rotating shaft steel sleeve 312. the

As shown in Figure 9, the tail top part 4 includes a tail top box body 402, a guide assembly 403, a top shaft assembly 404, a slide block 406 and an oil cylinder 407, and a top shaft assembly 404 is horizontally installed inside the tail top box body 402, and the top shaft assembly The front end of 404 cooperates with guide assembly 403, and guide assembly 403 is fixedly installed on the side wall of tail top box body 402, and the afterbody of jack shaft assembly 404 is connected with oil cylinder 407, and the top of tail top box body 402 is covered with cover plate 401, and the tail top box body 402 is covered with cover plate 401, and The bottom of the top box 402 is provided with a slide block 406 , and the slide block 406 is connected with the slide rail on the bed 1 , and the side wall of the tail top box 402 is also connected with a connecting rod assembly 405 . The tail top case 402 in the tail top part 4 is rigidly connected to the main shaft case 211 to realize the longitudinal synchronous feeding of the tail top part 4 and the main shaft part 2 . the

The height of the inner plate of the bed 1 decreases successively from the main shaft part 2, the rotary wheel part 3 to the tail top part 4, so that the bed 1 at the tail top part 4 can collect the coolant. the

The main shaft motor 203 on the main shaft housing 211 drives the main shaft 212 to rotate through the synchronous belt pulley 205, the input shaft 206, and the intermediate shaft 209, and the blank chuck 216 mounted on the main shaft 212 clamps the workpiece 217 to form a rotation input. The rotary wheel slider 304 selects a suitable angle to install the rotary wheel head housing 315 with the knurl wheel 314, and under the joint action of the rotary wheel oil cylinder 309, the knurl wheel oil cylinder 307 and the knurled wheel guide rail slider 302, a pair of The control input of the process curve completes the flanging and strong spinning processing of the wheel and hub parts. The tail top part 4 plays an auxiliary role in the loading and unloading process, and the cooling system is turned on for cooling during processing. the

Claims (5)

1. wheel hub part dedicated numerical control spinning former for engineering truck, it is characterized in that: it comprises lathe bed (1), spindle unit (2), two spinning roller parts (3) and tail top part (4), lathe bed (1) is " ten " character form structure, spindle unit (2) is longitudinally arranged on lathe bed (1) above with tail top part (4), and two spinning roller parts (3) lateral symmetry is arranged on lathe bed (1);

Described spindle unit (2) comprises main spindle box body (211), main shaft (212), longitudinal oil cylinder (201), drawing cylinder (202), spindle motor (203), die assembly (215) and external material returned oil cylinder (218), main spindle box body (211) bottom is provided with heavily loaded slide block A(219), heavy duty slide block A(219) be connected with the track on lathe bed (1), main shaft (212) is laterally arranged on main spindle box body (211) inside, the end of main shaft (212) is provided with blank chuck (216), main shaft (212) internal sleeve is equipped with drawing cylinder connecting rod (213), one end of drawing cylinder connecting rod (213) is connected with drawing cylinder (202), drawing cylinder (202) is fixedly mounted on the sidewall of main spindle box body (211), the other end of drawing cylinder connecting rod (213) is provided with die assembly (215), on main shaft (212), be provided with principal shaft helical tooth wheel (214), jackshaft (209) is also installed in main spindle box body (211), and the middle part of jackshaft (209) is provided with countershaft-gear (208) and middle shaft helical teeth wheel (210), middle shaft helical teeth wheel (210) and principal shaft helical tooth wheel (214) engagement, power shaft (206) is also installed in main spindle box body (211), the middle part of power shaft (206) is provided with input shaft gear (207), input shaft gear (207) and countershaft-gear (208) engagement, the end of power shaft (206) is also provided with Timing Belt bull wheel (205), and Timing Belt bull wheel (205) is connected with spindle motor (203) transmission that is arranged on main spindle box body (211) outside, longitudinally oil cylinder (201) is fixedly mounted on lathe bed (1) above, and longitudinally the output of oil cylinder (201) is connected with main spindle box body (211), the outside of main spindle box body (211) is also provided with external material returned oil cylinder (218), and the output of external material returned oil cylinder (218) is parallel with main shaft (212),

Described spinning roller parts (3) comprise spinning roller slide block (304), spinning roller head load module (305), heavily loaded slide block B (310), knurled wheel oil cylinder (307) and spinning roller oil cylinder (309), one side of spinning roller slide block (304) is provided with spinning roller head load module (305), spinning roller head load module (305) comprises spinning roller casing (315), spinning roller axle (306) and spinning roller head (314), spinning roller casing (315) is inner is provided with spinning roller axle (306) by bearing fit, and a side of spinning roller axle (306) head is provided with spinning roller head (314), the bottom of spinning roller slide block (304) is provided with heavily loaded slide block B (310), heavy duty slide block B (310) is connected with the track being arranged on lathe bed (1), the bottom of spinning roller slide block (304) is also installed with spinning roller oil cylinder (309), and the output of spinning roller oil cylinder (309) is fixed on lathe bed (1), on the side of one of them spinning roller slide block (304), be provided with knurled wheel oil cylinder (307), the afterbody of knurled wheel oil cylinder (307) is fixed on the knurled wheel oil cylinder seat (308) being connected with spinning roller slide block (304) by knurled wheel oil cylinder gland (301), the output of knurled wheel oil cylinder (307) is connected with knurled wheel guide rail slide block (302), knurled wheel guide rail slide block (302) is fixed on spinning roller slide block (304) by knurled wheel shim (311), knurled wheel guide rail slide block (302) is connected by knurled wheel fork (303) with spinning roller head load module (305), knurled wheel fork (303) is connected with knurled wheel change (316), the interior ring of knurled wheel change (316) is connected with spinning roller hubcap (317), the outer shroud of knurled wheel change (316) is knurled wheel support (318) fixedly, spinning roller hubcap (317) is fixed on spinning roller casing (315), knurled wheel support (318) is connected with knurled wheel (319),

Described tail top part (4) comprises tail top casing (402), guidance set (403), apical axis assembly (404), slide block (406) and oil cylinder (407), tail top casing (402) inner transverse is provided with apical axis assembly (404), the front end of apical axis assembly (404) coordinates with guidance set (403), guidance set (403) is fixedly mounted on the sidewall of tail top casing (402), the afterbody of apical axis assembly (404) is connected with oil cylinder (407), cover plate (401) is stamped at the top of tail top casing (402), the bottom of tail top casing (402) is provided with slide block (406), slide block (406) is connected with the slide rail on lathe bed (1), on the sidewall of tail top casing (402), be also connected with connecting rod assembly (405), and be fixedly linked with main spindle box body (211).

2. wheel hub part dedicated numerical control spinning former for engineering truck according to claim 1, is characterized in that: lubrication motor (204) is also installed on the outer wall of described main spindle box body (211).

3. wheel hub part dedicated numerical control spinning former for engineering truck according to claim 1, it is characterized in that: described die assembly (215) comprises die adjustment briquetting (221), fixture block (222), fixture block baffle plate (223), spring stop (225), spring guide (226) and cylindroid helical-coil compression spring (227), clamp (224) is arranged on the end of drawing cylinder connecting rod (213), the outer surface of clamp (224) is taper seat, the outside cooperation of clamp (224) is provided with fixture block (222), fixture block (222) is by fixture block baffle plate (223) location, fixture block (222) inside is also provided with a plurality of spring guides (226), on every spring guide (226), be set with a cylindroid helical-coil compression spring (227), one end of cylindroid helical-coil compression spring (227) is fixed on fixture block (222), the other end of cylindroid helical-coil compression spring (227) is fixed on spring stop (225), spring stop (225) is fixedly mounted on the end face of fixture block (222).

4. wheel hub part dedicated numerical control spinning former for engineering truck according to claim 1, it is characterized in that: described spinning roller casing (315) and spinning roller slide block (304) have respectively a kingpin bore and two secondary pin-and-holes, spinning roller casing (315) is connected with one of them secondary pin-and-hole through corresponding kingpin bore respectively by two spinning roller rotating shafts (313) with spinning roller slide block (304).

5. wheel hub part dedicated numerical control spinning former for engineering truck according to claim 4, is characterized in that: the middle part of described spinning roller rotating shaft (313) is also set with spinning roller rotating shaft steel bushing (312).

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