CN211219511U

CN211219511U - Gear assembly tool of automatic linear iron pump of power steering pump

Info

Publication number: CN211219511U
Application number: CN201922041346.7U
Authority: CN
Inventors: 胡志强; 宿红建; 邹路; 武天航; 王芳; 公伟强; 李彬; 王兵
Original assignee: Changchun Fawsn Dare Automobile Parts Co Ltd
Current assignee: Changchun Fawsn Dare Automobile Parts Co Ltd
Priority date: 2019-11-24
Filing date: 2019-11-24
Publication date: 2020-08-11
Anticipated expiration: 2029-11-24

Abstract

The utility model provides a gear assembly fixture of power steering pump transfer machine iron pump, including two parts, bearing structure and location structure, bearing structure includes: the device comprises a cylinder mounting seat, a cylinder hanging seat, a gear clamping block and a guide cylinder; the positioning structure comprises a positioning plate, a positioning shaft, a positioning seat, a sensor seat, a pressure head, an anti-rotation block and a locking screw; the pressure head is matched with the positioning seat in a sleeve and bolt mode, a shaft is arranged on the lower side of the pressure head, the shaft and the pressure head are coaxially arranged, and the shaft is connected with the pressure head through a combined positioning pin in a plug-in mode; the gear clamping block is used for fixing a gear, the guide cylinder is used for driving the gear clamping block, the guide cylinder is installed on the cylinder installation seat, the cylinder installation seat and the cylinder hanging seat are fixed through a locking screw, and the cylinder hanging seat is used for achieving the purpose that the gear clamping block is lifted upwards and moves downwards.

Description

Gear assembly tool of automatic linear iron pump of power steering pump

Technical Field

The patent of the utility model belongs to car a steering system makes the field, concretely relates to gear assembly fixture of power steering pump transfer machine iron pump.

Background

The gear installation procedure of the original automatic line iron pump product is a manual installation mode, the procedure is a bottleneck procedure, parameters of the machining process of the procedure cannot be recorded, and the tracing function of the procedure cannot be realized. The design structure of the gear and the shaft is changed, so that the technical requirements of the automatic line automatic gear press-fitting process are met, and corresponding press-fitting tools are designed again, so that one operator can be reduced, the process is automated and informationized, and the production efficiency of the whole line is improved by 5%.

Disclosure of Invention

In order to solve the technical problem, the utility model discloses a gear assembly fixture of power steering pump transfer machine iron pump, including two parts, bearing structure and location structure, bearing structure includes: the device comprises a cylinder mounting seat, a cylinder hanging seat, a gear clamping block and a guide cylinder; the positioning structure comprises a positioning plate, a positioning shaft, a positioning seat, a sensor seat, a pressure head, an anti-rotation block and a locking screw; the pressure head and the positioning seat are matched in a sleeve and bolt mode, a hole is formed in the center of the positioning plate, the positioning shaft penetrates into the hole, the hole of the positioning plate and the positioning shaft are coaxially arranged, a sensor seat is arranged beside the positioning seat and used for mounting a distance sensor, a shaft is arranged on the lower side of the pressure head, the shaft and the pressure head are coaxially arranged, and the shaft is connected with the pressure head in a plug-in mode through the positioning pin; the gear clamping block is used for fixing a gear, the guide cylinder is used for driving the gear clamping block, the gear is fixed and the gear is loosened, the guide cylinder is installed on the cylinder installation seat, the cylinder installation seat and the cylinder hanging seat are fixed through a locking screw, and the cylinder hanging seat is used for enabling the driving gear clamping block to be upwards hung and downwards moved.

Furthermore, the head of the shaft is provided with a conical recessed structure for matching with the top of the gear, the outer edge of the shaft is provided with a chamfer, and the middle section of the shaft is provided with a groove structure.

Furthermore, two circles of grooves are formed in the middle of the pressure head, the side faces of the grooves form right-angled triangles, three threaded holes are formed in the middle of the pressure head and used for being fastened with the positioning seat through screws, and the circular grooves are formed in the head of the pressure head and used for being matched with the gears.

Further, the up end of positioning seat is equipped with annular boss for with the annular lug butt of pressure head, the inside of positioning seat is inserted from annular boss center to the upper end of pressure head, takes sleeve and bolt cooperation to be connected, the axis of bolt and the axis of positioning seat intersect perpendicularly, sleeve and the coaxial setting of pressure head.

Drawings

FIG. 1: the overall structure schematic diagram of the gear assembling tool is shown;

FIG. 2: a side view of the gear assembly tool;

FIG. 3: the structure of the pressure head is shown schematically;

FIG. 4: a cross-sectional view of the indenter;

FIG. 5: the structure schematic diagram of the positioning seat;

FIG. 6: a schematic structural view of a shaft;

reference numerals: 1. a cylinder mounting seat; 2. a cylinder hanger seat; 3. positioning a plate; 4. positioning the shaft; 5. positioning seats; 6. a sensor seat; 7. a pressure head; 8. a rotation prevention block; 9. a gear clamping block; 10. a guide cylinder; 11. locking the screw; 12. a bolt; 13. a sleeve.

Detailed Description

Referring to fig. 1 and 2, the gear assembly fixture comprises two parts, a support structure and a positioning structure, wherein the support structure comprises: the device comprises an air cylinder mounting seat 1, an air cylinder hanging seat 2, a gear clamping block 9 and a guide air cylinder 10; the positioning structure comprises a positioning plate 3, a positioning shaft 4, a positioning seat 5, a sensor seat 6, a pressure head 7, an anti-rotation block 8 and a locking screw 11; the pressure head 7 and the positioning seat 5 are matched in a sleeve and bolt mode, so that the verticality and accuracy of press mounting and the convenience of replacement are guaranteed; a hole is formed in the center of the positioning plate 3, the positioning shaft 4 penetrates into the hole, the hole of the positioning plate 3 and the positioning shaft are coaxially arranged and used for positioning the gear, therefore, the positioning shaft 4 and the positioning plate 3 need extremely accurate precision, a sensor seat 6 is arranged beside the positioning seat 5 and used for installing a distance sensor, and whether the gear is pressed and mounted in place or not is judged according to a distance value detected by the distance detection sensor; the other side of the positioning seat 5 is provided with an anti-rotation block 8, and the anti-rotation block 8 has the effect of preventing the positioning seat from rotating; the pressure head 7 downside is equipped with the axle (as the axle construction that fig. 6 shows), and axle and pressure head 7 coaxial setting, the bayonet combination locating pin of axle (not shown) are connected with pressure head 7 to this increases the straightness that hangs down of the accuracy of frock location and assurance pressure equipment, and the pressure head passes through the head of axle, with the gear pressfitting, the connected mode of gear and pressure head is interference fit.

Gear clamp piece 9 is used for the fixed gear, and guide cylinder 10 is used for drive gear clamp piece 9, realizes that the gear is fixed and the gear relaxs, guide cylinder 10 installs on cylinder mount pad 1, and cylinder mount pad 1 hangs seat 2 with the cylinder and passes through locking screw fixed, and cylinder hangs seat 2 and is used for realizing upwards hoisting drive gear clamp piece 9 and remove downwards.

Referring to fig. 6, the head of the shaft is provided with a conical recessed structure for matching with the top of the gear, the maximum diameter of the conical recessed structure is 12mm, the outer edge of the shaft is provided with a chamfer, the middle section of the shaft is provided with an annular narrow groove structure for clamping connection with a pressure head, the top end of the shaft is also provided with a long groove structure, the length of the long groove structure is 28mm, the total length of the shaft is 118.5mm, and the error is 0.2 mm.

Referring to fig. 3 and 4, fig. 4 is a cross-sectional view taken along line C-C in fig. 3, the total length of the pressure head is 60mm, a circle of annular convex block is arranged in the middle of the pressure head, two circles of annular narrow grooves are also arranged at the upper end and the lower end of the annular convex block, the side surfaces of the annular narrow grooves form a right triangle, three threaded holes are arranged in the middle of the pressure head at equal intervals around the annular convex block and used for being fastened with the positioning seat through screws, a circular groove is arranged at the head part of the lower side of the pressure head, the diameter of the groove is 20mm and used for being matched with a gear.

Refer to fig. 5, for the perspective view of positioning seat 5, the up end of positioning seat is equipped with annular boss for with the annular lug butt of pressure head, the inside of positioning seat is inserted from annular boss center to the upper end of pressure head, take

sleeve

13 and 12 cooperation connections of bolt, refer to fig. 5, the axis of 12 bolts and the axis of positioning seat intersect perpendicularly, sleeve 13 and the coaxial setting of pressure head prevent that the pressure head from rocking, have played the technological effect of stable connection.

The utility model has the technical effects that:

1. the automation degree of the automatic line is further improved;

2. further realizing the less humanization of the factory;

3. the production line efficiency is improved by 5%;

4. the cost is saved: because the customer demand of the product is increased, the production needs to increase the human plan according to the matching of the tempo and the working hours, but because of the process change, the yield increase benefit can be realized through the internal process modification on the premise of not increasing the human.

The material cost is saved by one product: the nut unit price + the gasket unit price + the half-round key unit price-material difference cost =0.74 yuan; the material cost is saved: the unit price is saved by 0.74 month average production capacity 11340 pieces =8391.6 yuan; annual material saving and cost reduction: 8391.6 × 12= -100699.2-membered; in summary, the following steps: expected annual cost savings 148327.2= labor costs: 47628 Yuan + Material cost 100699.2 Yuan.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a gear assembly fixture of power steering pump transfer machine iron pump which characterized in that includes two parts, bearing structure and location structure, bearing structure includes: the device comprises a cylinder mounting seat, a cylinder hanging seat, a gear clamping block and a guide cylinder; the positioning structure comprises a positioning plate, a positioning shaft, a positioning seat, a sensor seat, a pressure head, an anti-rotation block and a locking screw; the pressure head is matched with the positioning seat through a sleeve and a bolt, a hole is formed in the center of the positioning plate, a positioning shaft penetrates into the hole, the hole of the positioning plate and the positioning shaft are coaxially arranged, a sensor seat is arranged beside the positioning seat and used for mounting a distance sensor, a shaft is arranged on the lower side of the pressure head and coaxially arranged with the pressure head, and the shaft is connected with the pressure head through a positioning pin; the gear clamping block is used for fixing a gear, the guide cylinder is used for driving the gear clamping block, the gear is fixed and the gear is loosened, the guide cylinder is installed on the cylinder installation seat, the cylinder installation seat and the cylinder hanging seat are fixed through a locking screw, and the cylinder hanging seat is used for enabling the driving gear clamping block to be upwards hung and downwards moved.

2. The tool for assembling the gear of the automatic linear iron pump of the power steering pump according to claim 1, wherein the head of the shaft is provided with a conical concave structure for matching with the top of the gear, the outer edge of the shaft is provided with a chamfer, and the middle section of the shaft is provided with an annular narrow groove structure for clamping connection with a pressure head.

3. The assembly fixture for assembling the gear of the power steering pump automatic line iron pump according to claim 1, wherein a circle of annular convex block is arranged in the middle of the pressure head, two circles of annular narrow grooves are arranged at the upper end and the lower end of the annular convex block, the side surfaces of the two circles of annular narrow grooves form a right triangle, and three threaded holes are arranged in the middle of the pressure head at equal intervals around the annular convex block and are used for being fastened with the positioning seat through screws.

4. The tool for assembling the gear of the automatic linear iron pump of the power steering pump according to claim 3, wherein the upper end surface of the positioning seat is provided with an annular boss for abutting against the annular boss of the ram, the upper end of the ram is inserted into the positioning seat from the center of the annular boss and is connected by a sleeve and a plug in a matching manner, the axis of the plug is perpendicularly intersected with the central axis of the positioning seat, and the sleeve and the ram are coaxially arranged.