Vertical clamp suitable for lathing motor shell
By designing a vertical fixture combining a linkage structure and a pressure plate, the problem of clamping the upper, lower, and middle parts of the motor housing on a vertical lathe was solved, achieving stable clamping of the motor housing and improving machining accuracy and efficiency.
Patent Information
- Application Number
- CN202520432308.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing vertical lathes have difficulty effectively clamping long and large motor housings, especially the upper, lower and middle parts.
Design a vertical clamp that uses a linkage structure and a pressure plate. Through components such as T-bolts, hinged supports, linkages, and clamping screws, it can achieve positioning of the upper and lower ends of the motor housing and clamping of the middle part. The clamping is achieved by a combination of a pressure plate and a clamping block.
It achieves stable clamping of the motor housing, improves machining accuracy and efficiency, and is suitable for machining motor housings on vertical lathes.
Smart Images
Figure CN223802076U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lathe fixture, more particularly to a vertical fixture suitable for motor shell turning. BACKGROUND
[0002] The current vertical lathe is mainly composed of the following structures, bed: the basic component of the machine tool, used for supporting and installing other components, usually adopting high-strength cast iron material, having high rigidity and stability; spindle box: supporting the main shaft and making it rotate, the main shaft being perpendicular to the ground, the workpiece being horizontally placed, the load of the main shaft and bearing being reduced; workbench: installing the workpiece and driving it to rotate, the workbench table being in a horizontal plane, facilitating the clamping and alignment of the workpiece; tool rest: installing the tool and realizing the automatic transposition of the tool, being equipped with high-quality tool rest, high rigidity, rapid tool changing and reliability; feeding mechanism: controlling the feeding movement of the tool, adopting high-precision ball screws and screw special bearings, good in accuracy retention.
[0003] Before the current motor shell machining, it needs to be placed on the workbench, and then the T-shaped clamping groove on the workbench is matched with the T-shaped bolt and the pressing block, the pressing block is pressed on the bottom of the motor shell, the top of the motor shell is not clamped, and it is suitable for the motor shell with small length, for some motor shells with long length and large volume, the upper and lower ends of the motor shell need to be effectively clamped, and some also need to be clamped in the middle of the motor shell; therefore, a clamp capable of effectively clamping the upper, middle and lower parts of the motor shell needs to be designed. UTILITY MODEL CONTENTS
[0004] The utility model discloses a vertical fixture suitable for motor shell turning, which is based on the linkage structure and cooperates with the pressing disc to position the upper and lower ends of the motor shell, clamp the middle part of the motor shell, and effectively clamp the motor shell on the workbench of the vertical lathe.
[0005] A vertical fixture suitable for motor shell turning, comprising a circular workbench, a plurality of divergent clamping grooves are formed on the workbench, a plurality of T-shaped bolts are arranged around the center of the workbench, the heads of the T-shaped bolts are inserted into the clamping grooves of the workbench, the ends of the T-shaped bolts extend out of the workbench and are sleeved with a "N" shaped hinged support, a positioning nut is screwed on the T-shaped bolt below the hinged support and presses against the upper end surface of the workbench.
[0006] The inclined lower connecting rod is hingedly connected with the hinge support through a pin, the upper end of the lower connecting rod is hingedly connected with a vertical connecting block through a pin, the upper end of the connecting block is hingedly connected with an inclined upper connecting rod through a pin, and the upper end of the upper connecting rod is formed with a spherical connector.
[0007] The middle part of the connecting block is inserted with a horizontal pressing screw, the pressing screw is located above the clamping groove, and one end of the pressing screw close to the center of the workbench is fixedly connected with a pressing block.
[0008] Preferably, the middle part of the workbench is provided with a vertical motor housing, the pressing plate is pressed against the upper end face of the motor housing, and the pressing block is pressed against the outer wall of the motor housing.
[0009] The center axis of the workbench, the center axis of the motor housing and the center axis of the pressing plate are on the same straight line.
[0010] Preferably, the T-shaped bolt is provided with at least three T-shaped bolts, and the T-shaped bolts are uniformly distributed in a ring shape around the center axis of the workbench.
[0011] The thickness of the positioning nut is smaller than the spacing between the hinge support and the workbench.
[0012] Preferably, the inclination angle of the upper connecting rod is opposite to the inclination angle of the lower connecting rod, and the upper end and the lower end of the connecting block are respectively formed with notches, and the upper connecting rod and the lower connecting rod are respectively inserted into the notches at the upper end and the lower end of the connecting block.
[0013] Preferably, the end face of the pressing block close to the center of the workbench is formed with a V-shaped clamping opening.
[0014] Preferably, the two sides of the hinge support are formed with upward extending positioning arms, the positioning arms are formed with vertical guide grooves, vertical guide plates are inserted into the guide grooves, and the two ends of the guide plates extend out of the positioning arms and are fixedly connected with limiting sleeves.
[0015] The pressing screw is inserted between the positioning arms of the hinge support and the guide plates.
[0016] Preferably, the sockets are uniformly distributed in a ring shape around the center axis of the pressing plate, the slot width of the socket is equal to the thickness of the upper connecting rod, and the diameter of the connector is greater than the slot width of the socket.
[0017] The utility model discloses the beneficial effect lies in:
[0018] The vertical fixture can position the upper and lower ends of the motor shell based on the linkage structure matched with the pressing disc, and can also clamp the middle part of the motor shell, so that the motor shell can be effectively clamped on the workbench of the vertical lathe. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is a perspective position diagram of the utility model;
[0020] Fig. 2 It is a front view structure diagram of the utility model;
[0021] Fig. 3 It is a top view structure diagram of the utility model.
[0022] In the drawing: 1, workbench; 11, clamping groove; 2, T-shaped bolt; 3, positioning nut; 4, hinged support; 41, positioning arm; 42, guide groove; 5, lower linkage; 6, connecting block; 7, upper linkage; 71, connecting head; 8, pressing disc; 81, socket; 9, pressing screw; 10, pressing block; 20, locking nut; 30, guide plate; 40, limiting sleeve. DETAILED DESCRIPTION
[0023] Embodiment: see Figs. 1 to 3 As shown in the drawing, a vertical fixture suitable for motor shell machining, comprising a circular workbench 1, the workbench 1 is formed with several divergent clamping grooves 11, the periphery of the center of the workbench 1 is provided with several T-shaped bolts 2, the head of the T-shaped bolt 2 is inserted into the clamping groove 11 of the workbench 1, the tail of the T-shaped bolt 2 is inserted into the clamping groove 11 of the workbench 1 and is sleeved with a "N" shaped hinged support 4, the T-shaped bolt 2 on the lower side of the hinged support 4 is screwed with a positioning nut 3, and the positioning nut 3 is pressed against the upper end surface of the workbench 1;
[0024] The hinged support 4 is hinged with an inclined lower linkage 5 through a pin shaft, the upper end of the lower linkage 5 is hinged with a vertical connecting block 6 through a pin shaft, the upper end of the connecting block 6 is hinged with an inclined upper linkage 7 through a pin shaft, and the upper end of the upper linkage 7 is formed with a spherical connecting head 71; the upper part of the middle part of the workbench 1 is provided with a pressing disc 8 with an L-shaped cross section, a plurality of sockets 81 opposite to the clamping grooves 11 are formed on the outer side wall of the pressing disc 8, the upper end of the upper linkage 7 is inserted into the socket 81 of the pressing disc 8, and the connecting head 71 abuts against the pressing disc 8;
[0025] The middle part of the connecting block 6 is inserted with a horizontal pressing screw 9, the pressing screw 9 is located above the clamping groove 11, and the pressing screw 9 is fixedly connected with a pressing block 10 at the end close to the center of the workbench 1; the end face of the connecting block 6 close to the center of the workbench 1 abuts against a locking nut 20, and the locking nut 20 is screwed on the pressing screw 9.
[0026] The middle part of the workbench 1 is provided with a vertical motor housing, the pressing plate 8 is pressed against the upper end surface of the motor housing, and the pressing block 10 is pressed against the outer wall of the motor housing; the pressing plate 8 is pressed around the inner cavity of the motor housing, and the pressing block 10 is located in the middle part of the motor housing.
[0027] The central axis of the workbench 1, the central axis of the motor housing and the central axis of the pressing plate 8 are on the same straight line.
[0028] The T-shaped bolt 2 is at least provided with three T-shaped bolts 2 which are uniformly distributed in a ring shape around the central axis of the workbench 1; the clamping structure composed of the T-shaped bolt 2, the hinged support 4, the lower connecting rod 5, the connecting block 6 and the upper connecting rod 7 is at least provided with three groups, and the stability of clamping the motor housing is good.
[0029] The thickness of the positioning nut 3 is less than the spacing between the hinged support 4 and the workbench 1; and then the positioning nut 3 can be loosened and tightened to realize the position movement of the T-shaped bolt 2.
[0030] The inclination angle of the upper connecting rod 7 is opposite to the inclination angle of the lower connecting rod 5, the upper and lower ends of the connecting block 6 are respectively formed with notches, and the upper connecting rod 7 and the lower connecting rod 5 are respectively inserted into the notches at the upper and lower ends of the connecting block 6.
[0031] The end surface of the pressing block 10 close to the center of the workbench 1 is formed with a V-shaped clamping opening, and the V-shaped clamping opening is suitable for the cylindrical motor housing.
[0032] The two sides of the hinged support 4 are formed with upward extending positioning arms 41, the positioning arms 41 are formed with vertical guide grooves 42, vertical guide plates 30 are inserted into the guide grooves 42, and the two ends of the guide plates 30 extend out of the positioning arms 41 and are inserted into the limiting sleeves 40.
[0033] The pressing screw is inserted between the positioning arms 41 of the hinged support 4 and the guide plate 30, and based on the guide plate 30, the pressing screw 9 can always be in a horizontal state, which is convenient for the clamping operation of the vertical clamp.
[0034] The sockets 81 are uniformly distributed in a ring shape around the central axis of the pressing plate 8, the slot width of the socket 81 is equal to the thickness of the upper connecting rod 7, and the diameter of the connecting head 71 is greater than the slot width of the socket 81.
[0035] Working principle: the structure is suitable for vertical clamps for machining motor housings, and the structure of the vertical clamp is as follows Fig. 1As shown, when clamping, first, the motor shell is placed in the middle of the workbench 1, then the pressing plate 8 is placed on the top of the motor shell, then the upper connecting rod 7 is rotated to realize that the upper connecting rod 7 is inserted in the socket of the pressing plate 8, then the pressing block 10 is abutted on the outer wall of the pressing block by moving the pressing screw 9, and the locking nut 20 is rotated to abut on the connecting block 6, at the same time, the connecting head 71 of the upper end of the upper connecting rod 7 is abutted on the pressing plate 8, finally, the locking nuts 20 are fastened one by one to realize that the pressing block 10 is pressed on the motor shell, and the connecting head 71 is pressed on the pressing plate 8, so that the pressing plate 8 has a downward force, and the workbench 1 clamps the motor shell in cooperation with the pressing plate 8.
[0036] The embodiments are used to illustrate the present application, but not to limit the present application. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present application, therefore, the protection scope of the present application should be subject to the claims of the present application.
Claims
1. A vertical fixture suitable for machining motor housings, comprising a circular worktable (1), wherein the worktable (1) has a plurality of radiating clamping grooves (11) formed thereon, and a plurality of T-bolts (2) are provided around the center of the worktable (1), the heads of which are inserted into the clamping grooves (11) of the worktable (1), characterized in that: The end of the T-shaped bolt (2) extends out of the workbench (1) and is sleeved with a "N" shaped hinged support (4). A positioning nut (3) is screwed on the T-shaped bolt (2) at the lower side of the hinged support (4) and is pressed against the upper end face of the workbench (1); The hinged support (4) is hingedly connected with an obliquely arranged lower connecting rod (5) through a pin shaft. The upper end of the lower connecting rod (5) is hingedly connected with a vertical connecting block (6) through a pin shaft. The upper end of the connecting block (6) is hingedly connected with an obliquely arranged upper connecting rod (7) through a pin shaft. The upper end of the upper connecting rod (7) is formed with a spherical connector (71). A press fitting disc (8) with an L-shaped cross section is arranged directly above the middle of the workbench (1). A plurality of sockets (81) opposite to clamping grooves (11) are formed on the outer side wall of the press fitting disc (8). The upper end of the upper connecting rod (7) is inserted into the socket (81) of the press fitting disc (8), and the connector (71) abuts against the press fitting disc (8). A horizontal pressing screw (9) is inserted into the middle of the connecting block (6). The pressing screw (9) is located directly above the clamping groove (11) and is fixedly connected with a pressing block (10) at the end close to the center of the workbench (1). A locking nut (20) abuts against the end face of the connecting block (6) at the side close to the center of the workbench (1). The locking nut (20) is screwed on the pressing screw (9).
2. The vertical fixture suitable for machining of an electric machine housing according to claim 1, characterized in that: A vertical motor housing is arranged in the middle of the workbench (1). The press fitting disc (8) abuts against the upper end face of the motor housing, and the pressing block (10) abuts against the outer wall of the motor housing. The center axis of the workbench (1), the center axis of the motor housing and the center axis of the press fitting disc (8) are on the same straight line.
3. The vertical fixture suitable for machining of an electric machine housing according to claim 2, characterized in that: The T-shaped bolt (2) is arranged at least in three, and the T-shaped bolts (2) are uniformly distributed in a ring shape around the center axis of the workbench (1). The thickness of the positioning nut (3) is smaller than the spacing between the hinged support (4) and the workbench (1).
4. The vertical fixture suitable for machining of an electric machine housing according to claim 3, characterized in that: The inclination angle of the upper connecting rod (7) is opposite to the inclination angle of the lower connecting rod (5). The upper and lower ends of the connecting block (6) are respectively formed with notches. The upper connecting rod (7) and the lower connecting rod (5) are respectively inserted into the notches at the upper and lower ends of the connecting block (6).
5. The vertical fixture suitable for machining of motor housing according to claim 1, characterized in that: A V-shaped clamping opening is formed on the end face of the pressing block (10) at the side close to the center of the workbench (1).
6. The vertical fixture suitable for machining of an electric machine housing according to claim 1, characterized in that: Positioning arms (41) extending upward are formed on both sides of the hinged support (4). Vertical guide grooves (42) are formed on the positioning arms (41). Vertical guide plates (30) are inserted into the guide grooves (42). The both ends of the guide plates (30) extend out of the positioning arms (41) and are sleeved and fixedly connected with limiting sleeves (40). The pressing screw is inserted between the positioning arms (41) of the hinged support (4) and is inserted into the guide plates (30).
7. The vertical fixture suitable for machining of an electric machine housing according to claim 2, characterized in that: The sockets (81) are uniformly distributed in a ring shape around the center axis of the press fitting disc (8). The slot width of the socket (81) is equal to the thickness of the upper connecting rod (7). The diameter of the connector (71) is greater than the slot width of the socket (81).